diff options
Diffstat (limited to 'arch/powerpc/platforms')
192 files changed, 5305 insertions, 1285 deletions
diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig index d733d7c..1530229 100644 --- a/arch/powerpc/platforms/40x/Kconfig +++ b/arch/powerpc/platforms/40x/Kconfig @@ -32,14 +32,6 @@ config EP405 help This option enables support for the EP405/EP405PC boards. -config HCU4 - bool "Hcu4" - depends on 40x - default n - select 405GPR - help - This option enables support for the Nestal Maschinen HCU4 board. - config HOTFOOT bool "Hotfoot" depends on 40x @@ -115,11 +107,6 @@ config PPC40x_SIMPLE help This option enables the simple PowerPC 40x platform support. -# 40x specific CPU modules, selected based on the board above. -config NP405H - bool - #depends on ASH - # OAK doesn't exist but wanted to keep this around for any future 403GCX boards config 403GCX bool @@ -130,21 +117,21 @@ config 405GP bool select IBM405_ERR77 select IBM405_ERR51 - select IBM_NEW_EMAC_ZMII + select IBM_EMAC_ZMII config 405EP bool config 405EX bool - select IBM_NEW_EMAC_EMAC4 - select IBM_NEW_EMAC_RGMII + select IBM_EMAC_EMAC4 + select IBM_EMAC_RGMII config 405EZ bool - select IBM_NEW_EMAC_NO_FLOW_CTRL - select IBM_NEW_EMAC_MAL_CLR_ICINTSTAT - select IBM_NEW_EMAC_MAL_COMMON_ERR + select IBM_EMAC_NO_FLOW_CTRL + select IBM_EMAC_MAL_CLR_ICINTSTAT + select IBM_EMAC_MAL_COMMON_ERR config 405GPR bool diff --git a/arch/powerpc/platforms/40x/Makefile b/arch/powerpc/platforms/40x/Makefile index 56e8900..88c22de 100644 --- a/arch/powerpc/platforms/40x/Makefile +++ b/arch/powerpc/platforms/40x/Makefile @@ -1,4 +1,3 @@ -obj-$(CONFIG_HCU4) += hcu4.o obj-$(CONFIG_WALNUT) += walnut.o obj-$(CONFIG_XILINX_VIRTEX_GENERIC_BOARD) += virtex.o obj-$(CONFIG_EP405) += ep405.o diff --git a/arch/powerpc/platforms/40x/ep405.c b/arch/powerpc/platforms/40x/ep405.c index 4058fd1..b0389bb 100644 --- a/arch/powerpc/platforms/40x/ep405.c +++ b/arch/powerpc/platforms/40x/ep405.c @@ -100,7 +100,7 @@ static void __init ep405_setup_arch(void) /* Find & init the BCSR CPLD */ ep405_init_bcsr(); - ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC); + pci_set_flags(PCI_REASSIGN_ALL_RSRC); } static int __init ep405_probe(void) diff --git a/arch/powerpc/platforms/40x/hcu4.c b/arch/powerpc/platforms/40x/hcu4.c deleted file mode 100644 index 60b2afe..0000000 --- a/arch/powerpc/platforms/40x/hcu4.c +++ /dev/null @@ -1,61 +0,0 @@ -/* - * Architecture- / platform-specific boot-time initialization code for - * IBM PowerPC 4xx based boards. Adapted from original - * code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek - * <dan@net4x.com>. - * - * Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu> - * - * Rewritten and ported to the merged powerpc tree: - * Copyright 2007 IBM Corporation - * Josh Boyer <jwboyer@linux.vnet.ibm.com> - * - * 2002 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#include <linux/init.h> -#include <linux/of_platform.h> - -#include <asm/machdep.h> -#include <asm/prom.h> -#include <asm/udbg.h> -#include <asm/time.h> -#include <asm/uic.h> -#include <asm/ppc4xx.h> - -static __initdata struct of_device_id hcu4_of_bus[] = { - { .compatible = "ibm,plb3", }, - { .compatible = "ibm,opb", }, - { .compatible = "ibm,ebc", }, - {}, -}; - -static int __init hcu4_device_probe(void) -{ - of_platform_bus_probe(NULL, hcu4_of_bus, NULL); - return 0; -} -machine_device_initcall(hcu4, hcu4_device_probe); - -static int __init hcu4_probe(void) -{ - unsigned long root = of_get_flat_dt_root(); - - if (!of_flat_dt_is_compatible(root, "netstal,hcu4")) - return 0; - - return 1; -} - -define_machine(hcu4) { - .name = "HCU4", - .probe = hcu4_probe, - .progress = udbg_progress, - .init_IRQ = uic_init_tree, - .get_irq = uic_get_irq, - .restart = ppc4xx_reset_system, - .calibrate_decr = generic_calibrate_decr, -}; diff --git a/arch/powerpc/platforms/40x/ppc40x_simple.c b/arch/powerpc/platforms/40x/ppc40x_simple.c index 2521d93..d10c123 100644 --- a/arch/powerpc/platforms/40x/ppc40x_simple.c +++ b/arch/powerpc/platforms/40x/ppc40x_simple.c @@ -55,13 +55,14 @@ static const char *board[] __initdata = { "amcc,haleakala", "amcc,kilauea", "amcc,makalu", - "est,hotfoot" + "est,hotfoot", + NULL }; static int __init ppc40x_probe(void) { if (of_flat_dt_match(of_get_flat_dt_root(), board)) { - ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC); + pci_set_flags(PCI_REASSIGN_ALL_RSRC); return 1; } diff --git a/arch/powerpc/platforms/40x/walnut.c b/arch/powerpc/platforms/40x/walnut.c index 335df91..8b691df 100644 --- a/arch/powerpc/platforms/40x/walnut.c +++ b/arch/powerpc/platforms/40x/walnut.c @@ -51,7 +51,7 @@ static int __init walnut_probe(void) if (!of_flat_dt_is_compatible(root, "ibm,walnut")) return 0; - ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC; + pci_set_flags(PCI_REASSIGN_ALL_RSRC); return 1; } diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index e958b6f..762322c 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -23,7 +23,7 @@ config BLUESTONE default n select PPC44x_SIMPLE select APM821xx - select IBM_NEW_EMAC_RGMII + select IBM_EMAC_RGMII help This option enables support for the APM APM821xx Evaluation board. @@ -122,8 +122,8 @@ config CANYONLANDS select PPC4xx_PCI_EXPRESS select PCI_MSI select PPC4xx_MSI - select IBM_NEW_EMAC_RGMII - select IBM_NEW_EMAC_ZMII + select IBM_EMAC_RGMII + select IBM_EMAC_ZMII help This option enables support for the AMCC PPC460EX evaluation board. @@ -135,8 +135,8 @@ config GLACIER select 460EX # Odd since it uses 460GT but the effects are the same select PCI select PPC4xx_PCI_EXPRESS - select IBM_NEW_EMAC_RGMII - select IBM_NEW_EMAC_ZMII + select IBM_EMAC_RGMII + select IBM_EMAC_ZMII help This option enables support for the AMCC PPC460GT evaluation board. @@ -161,7 +161,7 @@ config EIGER select 460SX select PCI select PPC4xx_PCI_EXPRESS - select IBM_NEW_EMAC_RGMII + select IBM_EMAC_RGMII help This option enables support for the AMCC PPC460SX evaluation board. @@ -260,59 +260,59 @@ config 440EP bool select PPC_FPU select IBM440EP_ERR42 - select IBM_NEW_EMAC_ZMII + select IBM_EMAC_ZMII select USB_ARCH_HAS_OHCI config 440EPX bool select PPC_FPU - select IBM_NEW_EMAC_EMAC4 - select IBM_NEW_EMAC_RGMII - select IBM_NEW_EMAC_ZMII + select IBM_EMAC_EMAC4 + select IBM_EMAC_RGMII + select IBM_EMAC_ZMII config 440GRX bool - select IBM_NEW_EMAC_EMAC4 - select IBM_NEW_EMAC_RGMII - select IBM_NEW_EMAC_ZMII + select IBM_EMAC_EMAC4 + select IBM_EMAC_RGMII + select IBM_EMAC_ZMII config 440GP bool - select IBM_NEW_EMAC_ZMII + select IBM_EMAC_ZMII config 440GX bool - select IBM_NEW_EMAC_EMAC4 - select IBM_NEW_EMAC_RGMII - select IBM_NEW_EMAC_ZMII #test only - select IBM_NEW_EMAC_TAH #test only + select IBM_EMAC_EMAC4 + select IBM_EMAC_RGMII + select IBM_EMAC_ZMII #test only + select IBM_EMAC_TAH #test only config 440SP bool config 440SPe bool - select IBM_NEW_EMAC_EMAC4 + select IBM_EMAC_EMAC4 config 460EX bool select PPC_FPU - select IBM_NEW_EMAC_EMAC4 - select IBM_NEW_EMAC_TAH + select IBM_EMAC_EMAC4 + select IBM_EMAC_TAH config 460SX bool select PPC_FPU - select IBM_NEW_EMAC_EMAC4 - select IBM_NEW_EMAC_RGMII - select IBM_NEW_EMAC_ZMII - select IBM_NEW_EMAC_TAH + select IBM_EMAC_EMAC4 + select IBM_EMAC_RGMII + select IBM_EMAC_ZMII + select IBM_EMAC_TAH config APM821xx bool select PPC_FPU - select IBM_NEW_EMAC_EMAC4 - select IBM_NEW_EMAC_TAH + select IBM_EMAC_EMAC4 + select IBM_EMAC_TAH # 44x errata/workaround config symbols, selected by the CPU models above config IBM440EP_ERR42 diff --git a/arch/powerpc/platforms/44x/canyonlands.c b/arch/powerpc/platforms/44x/canyonlands.c index afc5e8e..e300dd4 100644 --- a/arch/powerpc/platforms/44x/canyonlands.c +++ b/arch/powerpc/platforms/44x/canyonlands.c @@ -55,7 +55,7 @@ static int __init ppc460ex_probe(void) { unsigned long root = of_get_flat_dt_root(); if (of_flat_dt_is_compatible(root, "amcc,canyonlands")) { - ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC); + pci_set_flags(PCI_REASSIGN_ALL_RSRC); return 1; } return 0; diff --git a/arch/powerpc/platforms/44x/ebony.c b/arch/powerpc/platforms/44x/ebony.c index 88b9117..6a4232b 100644 --- a/arch/powerpc/platforms/44x/ebony.c +++ b/arch/powerpc/platforms/44x/ebony.c @@ -54,7 +54,7 @@ static int __init ebony_probe(void) if (!of_flat_dt_is_compatible(root, "ibm,ebony")) return 0; - ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC); + pci_set_flags(PCI_REASSIGN_ALL_RSRC); return 1; } diff --git a/arch/powerpc/platforms/44x/ppc44x_simple.c b/arch/powerpc/platforms/44x/ppc44x_simple.c index c81c19c..8d22027 100644 --- a/arch/powerpc/platforms/44x/ppc44x_simple.c +++ b/arch/powerpc/platforms/44x/ppc44x_simple.c @@ -72,7 +72,7 @@ static int __init ppc44x_probe(void) for (i = 0; i < ARRAY_SIZE(board); i++) { if (of_flat_dt_is_compatible(root, board[i])) { - ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC); + pci_set_flags(PCI_REASSIGN_ALL_RSRC); return 1; } } diff --git a/arch/powerpc/platforms/44x/sam440ep.c b/arch/powerpc/platforms/44x/sam440ep.c index a78e8eb..9e09b83 100644 --- a/arch/powerpc/platforms/44x/sam440ep.c +++ b/arch/powerpc/platforms/44x/sam440ep.c @@ -51,7 +51,7 @@ static int __init sam440ep_probe(void) if (!of_flat_dt_is_compatible(root, "acube,sam440ep")) return 0; - ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC); + pci_set_flags(PCI_REASSIGN_ALL_RSRC); return 1; } diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c index 8f77139..4cfa499 100644 --- a/arch/powerpc/platforms/44x/warp.c +++ b/arch/powerpc/platforms/44x/warp.c @@ -18,6 +18,7 @@ #include <linux/of_gpio.h> #include <linux/of_i2c.h> #include <linux/slab.h> +#include <linux/export.h> #include <asm/machdep.h> #include <asm/prom.h> diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig index 27b0651..b3ebce1 100644 --- a/arch/powerpc/platforms/512x/Kconfig +++ b/arch/powerpc/platforms/512x/Kconfig @@ -6,6 +6,7 @@ config PPC_MPC512x select PPC_CLOCK select PPC_PCI_CHOICE select FSL_PCI if PCI + select ARCH_WANT_OPTIONAL_GPIOLIB config MPC5121_ADS bool "Freescale MPC5121E ADS" diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c index 3dc2a8d..1d8700f 100644 --- a/arch/powerpc/platforms/512x/clock.c +++ b/arch/powerpc/platforms/512x/clock.c @@ -18,6 +18,7 @@ #include <linux/list.h> #include <linux/errno.h> #include <linux/err.h> +#include <linux/module.h> #include <linux/string.h> #include <linux/clk.h> #include <linux/mutex.h> diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c index e41ebbd..cfe958e 100644 --- a/arch/powerpc/platforms/512x/mpc512x_shared.c +++ b/arch/powerpc/platforms/512x/mpc512x_shared.c @@ -66,8 +66,8 @@ struct fsl_diu_shared_fb { bool in_use; }; -unsigned int mpc512x_get_pixel_format(unsigned int bits_per_pixel, - int monitor_port) +u32 mpc512x_get_pixel_format(enum fsl_diu_monitor_port port, + unsigned int bits_per_pixel) { switch (bits_per_pixel) { case 32: @@ -80,11 +80,12 @@ unsigned int mpc512x_get_pixel_format(unsigned int bits_per_pixel, return 0x00000400; } -void mpc512x_set_gamma_table(int monitor_port, char *gamma_table_base) +void mpc512x_set_gamma_table(enum fsl_diu_monitor_port port, + char *gamma_table_base) { } -void mpc512x_set_monitor_port(int monitor_port) +void mpc512x_set_monitor_port(enum fsl_diu_monitor_port port) { } @@ -182,14 +183,10 @@ void mpc512x_set_pixel_clock(unsigned int pixclock) iounmap(ccm); } -ssize_t mpc512x_show_monitor_port(int monitor_port, char *buf) +enum fsl_diu_monitor_port +mpc512x_valid_monitor_port(enum fsl_diu_monitor_port port) { - return sprintf(buf, "0 - 5121 LCD\n"); -} - -int mpc512x_set_sysfs_monitor_port(int val) -{ - return 0; + return FSL_DIU_PORT_DVI; } static struct fsl_diu_shared_fb __attribute__ ((__aligned__(8))) diu_shared_fb; @@ -256,7 +253,7 @@ void __init mpc512x_init_diu(void) } mode = in_be32(&diu_reg->diu_mode); - if (mode != MFB_MODE1) { + if (mode == MFB_MODE0) { pr_info("%s: DIU OFF\n", __func__); goto out; } @@ -332,8 +329,7 @@ void __init mpc512x_setup_diu(void) diu_ops.set_gamma_table = mpc512x_set_gamma_table; diu_ops.set_monitor_port = mpc512x_set_monitor_port; diu_ops.set_pixel_clock = mpc512x_set_pixel_clock; - diu_ops.show_monitor_port = mpc512x_show_monitor_port; - diu_ops.set_sysfs_monitor_port = mpc512x_set_sysfs_monitor_port; + diu_ops.valid_monitor_port = mpc512x_valid_monitor_port; diu_ops.release_bootmem = mpc512x_release_bootmem; #endif } diff --git a/arch/powerpc/platforms/52xx/Kconfig b/arch/powerpc/platforms/52xx/Kconfig index 47ea1be..90f4496 100644 --- a/arch/powerpc/platforms/52xx/Kconfig +++ b/arch/powerpc/platforms/52xx/Kconfig @@ -55,14 +55,6 @@ config PPC_MPC5200_BUGFIX It is safe to say 'Y' here -config PPC_MPC5200_GPIO - bool "MPC5200 GPIO support" - depends on PPC_MPC52xx - select ARCH_REQUIRE_GPIOLIB - select GENERIC_GPIO - help - Enable gpiolib support for mpc5200 based boards - config PPC_MPC5200_LPBFIFO tristate "MPC5200 LocalPlus bus FIFO driver" depends on PPC_MPC52xx diff --git a/arch/powerpc/platforms/52xx/Makefile b/arch/powerpc/platforms/52xx/Makefile index 2bc8cd0..4e62486 100644 --- a/arch/powerpc/platforms/52xx/Makefile +++ b/arch/powerpc/platforms/52xx/Makefile @@ -14,5 +14,4 @@ ifeq ($(CONFIG_PPC_LITE5200),y) obj-$(CONFIG_PM) += lite5200_sleep.o lite5200_pm.o endif -obj-$(CONFIG_PPC_MPC5200_GPIO) += mpc52xx_gpio.o obj-$(CONFIG_PPC_MPC5200_LPBFIFO) += mpc52xx_lpbfifo.o diff --git a/arch/powerpc/platforms/52xx/mpc5200_simple.c b/arch/powerpc/platforms/52xx/mpc5200_simple.c index e36d6e2..846b789 100644 --- a/arch/powerpc/platforms/52xx/mpc5200_simple.c +++ b/arch/powerpc/platforms/52xx/mpc5200_simple.c @@ -50,6 +50,7 @@ static void __init mpc5200_simple_setup_arch(void) /* list of the supported boards */ static const char *board[] __initdata = { + "anon,charon", "intercontrol,digsy-mtc", "manroland,mucmc52", "manroland,uc101", diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c index 41f3a7e..369fd54 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_common.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c @@ -17,6 +17,7 @@ #include <linux/spinlock.h> #include <linux/of_platform.h> #include <linux/of_gpio.h> +#include <linux/export.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/mpc52xx.h> diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c deleted file mode 100644 index 1757d1d..0000000 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c +++ /dev/null @@ -1,380 +0,0 @@ -/* - * MPC52xx gpio driver - * - * Copyright (c) 2008 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/of.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/of_gpio.h> -#include <linux/io.h> -#include <linux/of_platform.h> - -#include <asm/gpio.h> -#include <asm/mpc52xx.h> -#include <sysdev/fsl_soc.h> - -static DEFINE_SPINLOCK(gpio_lock); - -struct mpc52xx_gpiochip { - struct of_mm_gpio_chip mmchip; - unsigned int shadow_dvo; - unsigned int shadow_gpioe; - unsigned int shadow_ddr; -}; - -/* - * GPIO LIB API implementation for wakeup GPIOs. - * - * There's a maximum of 8 wakeup GPIOs. Which of these are available - * for use depends on your board setup. - * - * 0 -> GPIO_WKUP_7 - * 1 -> GPIO_WKUP_6 - * 2 -> PSC6_1 - * 3 -> PSC6_0 - * 4 -> ETH_17 - * 5 -> PSC3_9 - * 6 -> PSC2_4 - * 7 -> PSC1_4 - * - */ -static int mpc52xx_wkup_gpio_get(struct gpio_chip *gc, unsigned int gpio) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs; - unsigned int ret; - - ret = (in_8(®s->wkup_ival) >> (7 - gpio)) & 1; - - pr_debug("%s: gpio: %d ret: %d\n", __func__, gpio, ret); - - return ret; -} - -static inline void -__mpc52xx_wkup_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpiochip *chip = container_of(mm_gc, - struct mpc52xx_gpiochip, mmchip); - struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs; - - if (val) - chip->shadow_dvo |= 1 << (7 - gpio); - else - chip->shadow_dvo &= ~(1 << (7 - gpio)); - - out_8(®s->wkup_dvo, chip->shadow_dvo); -} - -static void -mpc52xx_wkup_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) -{ - unsigned long flags; - - spin_lock_irqsave(&gpio_lock, flags); - - __mpc52xx_wkup_gpio_set(gc, gpio, val); - - spin_unlock_irqrestore(&gpio_lock, flags); - - pr_debug("%s: gpio: %d val: %d\n", __func__, gpio, val); -} - -static int mpc52xx_wkup_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpiochip *chip = container_of(mm_gc, - struct mpc52xx_gpiochip, mmchip); - struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs; - unsigned long flags; - - spin_lock_irqsave(&gpio_lock, flags); - - /* set the direction */ - chip->shadow_ddr &= ~(1 << (7 - gpio)); - out_8(®s->wkup_ddr, chip->shadow_ddr); - - /* and enable the pin */ - chip->shadow_gpioe |= 1 << (7 - gpio); - out_8(®s->wkup_gpioe, chip->shadow_gpioe); - - spin_unlock_irqrestore(&gpio_lock, flags); - - return 0; -} - -static int -mpc52xx_wkup_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs; - struct mpc52xx_gpiochip *chip = container_of(mm_gc, - struct mpc52xx_gpiochip, mmchip); - unsigned long flags; - - spin_lock_irqsave(&gpio_lock, flags); - - __mpc52xx_wkup_gpio_set(gc, gpio, val); - - /* Then set direction */ - chip->shadow_ddr |= 1 << (7 - gpio); - out_8(®s->wkup_ddr, chip->shadow_ddr); - - /* Finally enable the pin */ - chip->shadow_gpioe |= 1 << (7 - gpio); - out_8(®s->wkup_gpioe, chip->shadow_gpioe); - - spin_unlock_irqrestore(&gpio_lock, flags); - - pr_debug("%s: gpio: %d val: %d\n", __func__, gpio, val); - - return 0; -} - -static int __devinit mpc52xx_wkup_gpiochip_probe(struct platform_device *ofdev) -{ - struct mpc52xx_gpiochip *chip; - struct mpc52xx_gpio_wkup __iomem *regs; - struct gpio_chip *gc; - int ret; - - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (!chip) - return -ENOMEM; - - gc = &chip->mmchip.gc; - - gc->ngpio = 8; - gc->direction_input = mpc52xx_wkup_gpio_dir_in; - gc->direction_output = mpc52xx_wkup_gpio_dir_out; - gc->get = mpc52xx_wkup_gpio_get; - gc->set = mpc52xx_wkup_gpio_set; - - ret = of_mm_gpiochip_add(ofdev->dev.of_node, &chip->mmchip); - if (ret) - return ret; - - regs = chip->mmchip.regs; - chip->shadow_gpioe = in_8(®s->wkup_gpioe); - chip->shadow_ddr = in_8(®s->wkup_ddr); - chip->shadow_dvo = in_8(®s->wkup_dvo); - - return 0; -} - -static int mpc52xx_gpiochip_remove(struct platform_device *ofdev) -{ - return -EBUSY; -} - -static const struct of_device_id mpc52xx_wkup_gpiochip_match[] = { - { - .compatible = "fsl,mpc5200-gpio-wkup", - }, - {} -}; - -static struct platform_driver mpc52xx_wkup_gpiochip_driver = { - .driver = { - .name = "gpio_wkup", - .owner = THIS_MODULE, - .of_match_table = mpc52xx_wkup_gpiochip_match, - }, - .probe = mpc52xx_wkup_gpiochip_probe, - .remove = mpc52xx_gpiochip_remove, -}; - -/* - * GPIO LIB API implementation for simple GPIOs - * - * There's a maximum of 32 simple GPIOs. Which of these are available - * for use depends on your board setup. - * The numbering reflects the bit numbering in the port registers: - * - * 0..1 > reserved - * 2..3 > IRDA - * 4..7 > ETHR - * 8..11 > reserved - * 12..15 > USB - * 16..17 > reserved - * 18..23 > PSC3 - * 24..27 > PSC2 - * 28..31 > PSC1 - */ -static int mpc52xx_simple_gpio_get(struct gpio_chip *gc, unsigned int gpio) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpio __iomem *regs = mm_gc->regs; - unsigned int ret; - - ret = (in_be32(®s->simple_ival) >> (31 - gpio)) & 1; - - return ret; -} - -static inline void -__mpc52xx_simple_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpiochip *chip = container_of(mm_gc, - struct mpc52xx_gpiochip, mmchip); - struct mpc52xx_gpio __iomem *regs = mm_gc->regs; - - if (val) - chip->shadow_dvo |= 1 << (31 - gpio); - else - chip->shadow_dvo &= ~(1 << (31 - gpio)); - out_be32(®s->simple_dvo, chip->shadow_dvo); -} - -static void -mpc52xx_simple_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) -{ - unsigned long flags; - - spin_lock_irqsave(&gpio_lock, flags); - - __mpc52xx_simple_gpio_set(gc, gpio, val); - - spin_unlock_irqrestore(&gpio_lock, flags); - - pr_debug("%s: gpio: %d val: %d\n", __func__, gpio, val); -} - -static int mpc52xx_simple_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpiochip *chip = container_of(mm_gc, - struct mpc52xx_gpiochip, mmchip); - struct mpc52xx_gpio __iomem *regs = mm_gc->regs; - unsigned long flags; - - spin_lock_irqsave(&gpio_lock, flags); - - /* set the direction */ - chip->shadow_ddr &= ~(1 << (31 - gpio)); - out_be32(®s->simple_ddr, chip->shadow_ddr); - - /* and enable the pin */ - chip->shadow_gpioe |= 1 << (31 - gpio); - out_be32(®s->simple_gpioe, chip->shadow_gpioe); - - spin_unlock_irqrestore(&gpio_lock, flags); - - return 0; -} - -static int -mpc52xx_simple_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) -{ - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct mpc52xx_gpiochip *chip = container_of(mm_gc, - struct mpc52xx_gpiochip, mmchip); - struct mpc52xx_gpio __iomem *regs = mm_gc->regs; - unsigned long flags; - - spin_lock_irqsave(&gpio_lock, flags); - - /* First set initial value */ - __mpc52xx_simple_gpio_set(gc, gpio, val); - - /* Then set direction */ - chip->shadow_ddr |= 1 << (31 - gpio); - out_be32(®s->simple_ddr, chip->shadow_ddr); - - /* Finally enable the pin */ - chip->shadow_gpioe |= 1 << (31 - gpio); - out_be32(®s->simple_gpioe, chip->shadow_gpioe); - - spin_unlock_irqrestore(&gpio_lock, flags); - - pr_debug("%s: gpio: %d val: %d\n", __func__, gpio, val); - - return 0; -} - -static int __devinit mpc52xx_simple_gpiochip_probe(struct platform_device *ofdev) -{ - struct mpc52xx_gpiochip *chip; - struct gpio_chip *gc; - struct mpc52xx_gpio __iomem *regs; - int ret; - - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (!chip) - return -ENOMEM; - - gc = &chip->mmchip.gc; - - gc->ngpio = 32; - gc->direction_input = mpc52xx_simple_gpio_dir_in; - gc->direction_output = mpc52xx_simple_gpio_dir_out; - gc->get = mpc52xx_simple_gpio_get; - gc->set = mpc52xx_simple_gpio_set; - - ret = of_mm_gpiochip_add(ofdev->dev.of_node, &chip->mmchip); - if (ret) - return ret; - - regs = chip->mmchip.regs; - chip->shadow_gpioe = in_be32(®s->simple_gpioe); - chip->shadow_ddr = in_be32(®s->simple_ddr); - chip->shadow_dvo = in_be32(®s->simple_dvo); - - return 0; -} - -static const struct of_device_id mpc52xx_simple_gpiochip_match[] = { - { - .compatible = "fsl,mpc5200-gpio", - }, - {} -}; - -static struct platform_driver mpc52xx_simple_gpiochip_driver = { - .driver = { - .name = "gpio", - .owner = THIS_MODULE, - .of_match_table = mpc52xx_simple_gpiochip_match, - }, - .probe = mpc52xx_simple_gpiochip_probe, - .remove = mpc52xx_gpiochip_remove, -}; - -static int __init mpc52xx_gpio_init(void) -{ - if (platform_driver_register(&mpc52xx_wkup_gpiochip_driver)) - printk(KERN_ERR "Unable to register wakeup GPIO driver\n"); - - if (platform_driver_register(&mpc52xx_simple_gpiochip_driver)) - printk(KERN_ERR "Unable to register simple GPIO driver\n"); - - return 0; -} - - -/* Make sure we get initialised before anyone else tries to use us */ -subsys_initcall(mpc52xx_gpio_init); - -/* No exit call at the moment as we cannot unregister of gpio chips */ - -MODULE_DESCRIPTION("Freescale MPC52xx gpio driver"); -MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de"); -MODULE_LICENSE("GPL v2"); - diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c index 6c39b9c..f94f06e 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c @@ -67,6 +67,7 @@ #include <linux/watchdog.h> #include <linux/miscdevice.h> #include <linux/uaccess.h> +#include <linux/module.h> #include <asm/div64.h> #include <asm/mpc52xx.h> diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c index 9940ce8..d61fb1c 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c @@ -14,6 +14,7 @@ #include <linux/of.h> #include <linux/of_platform.h> #include <linux/spinlock.h> +#include <linux/module.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/mpc52xx.h> diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pci.c b/arch/powerpc/platforms/52xx/mpc52xx_pci.c index da110bd..bfb11e0 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pci.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pci.c @@ -264,7 +264,7 @@ mpc52xx_pci_setup(struct pci_controller *hose, (unsigned long long)res->flags); out_be32(&pci_regs->iw0btar, MPC52xx_PCI_IWBTAR_TRANSLATION(res->start, res->start, - res->end - res->start + 1)); + resource_size(res))); iwcr0 = MPC52xx_PCI_IWCR_ENABLE | MPC52xx_PCI_IWCR_MEM; if (res->flags & IORESOURCE_PREFETCH) iwcr0 |= MPC52xx_PCI_IWCR_READ_MULTI; @@ -278,7 +278,7 @@ mpc52xx_pci_setup(struct pci_controller *hose, res->start, res->end, res->flags); out_be32(&pci_regs->iw1btar, MPC52xx_PCI_IWBTAR_TRANSLATION(res->start, res->start, - res->end - res->start + 1)); + resource_size(res))); iwcr1 = MPC52xx_PCI_IWCR_ENABLE | MPC52xx_PCI_IWCR_MEM; if (res->flags & IORESOURCE_PREFETCH) iwcr1 |= MPC52xx_PCI_IWCR_READ_MULTI; @@ -300,7 +300,7 @@ mpc52xx_pci_setup(struct pci_controller *hose, out_be32(&pci_regs->iw2btar, MPC52xx_PCI_IWBTAR_TRANSLATION(hose->io_base_phys, res->start, - res->end - res->start + 1)); + resource_size(res))); iwcr2 = MPC52xx_PCI_IWCR_ENABLE | MPC52xx_PCI_IWCR_IO; /* Set all the IWCR fields at once; they're in the same reg */ @@ -371,7 +371,7 @@ mpc52xx_add_bridge(struct device_node *node) pr_debug("Adding MPC52xx PCI host bridge %s\n", node->full_name); - ppc_pci_add_flags(PPC_PCI_REASSIGN_ALL_BUS); + pci_add_flags(PCI_REASSIGN_ALL_BUS); if (of_address_to_resource(node, 0, &rsrc) != 0) { printk(KERN_ERR "Can't get %s resources\n", node->full_name); @@ -402,7 +402,7 @@ mpc52xx_add_bridge(struct device_node *node) hose->ops = &mpc52xx_pci_ops; - pci_regs = ioremap(rsrc.start, rsrc.end - rsrc.start + 1); + pci_regs = ioremap(rsrc.start, resource_size(&rsrc)); if (!pci_regs) return -ENOMEM; diff --git a/arch/powerpc/platforms/82xx/km82xx.c b/arch/powerpc/platforms/82xx/km82xx.c index 428c5e0..3661bcd 100644 --- a/arch/powerpc/platforms/82xx/km82xx.c +++ b/arch/powerpc/platforms/82xx/km82xx.c @@ -49,6 +49,9 @@ struct cpm_pin { }; static __initdata struct cpm_pin km82xx_pins[] = { + /* SMC1 */ + {2, 4, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {2, 5, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, /* SMC2 */ {0, 8, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, @@ -137,6 +140,7 @@ static void __init init_ioports(void) } cpm2_smc_clk_setup(CPM_CLK_SMC2, CPM_BRG8); + cpm2_smc_clk_setup(CPM_CLK_SMC1, CPM_BRG7); cpm2_clk_setup(CPM_CLK_SCC1, CPM_CLK11, CPM_CLK_RX); cpm2_clk_setup(CPM_CLK_SCC1, CPM_CLK11, CPM_CLK_TX); cpm2_clk_setup(CPM_CLK_SCC3, CPM_CLK5, CPM_CLK_RTX); diff --git a/arch/powerpc/platforms/82xx/pq2.c b/arch/powerpc/platforms/82xx/pq2.c index 9761a59..d111b02 100644 --- a/arch/powerpc/platforms/82xx/pq2.c +++ b/arch/powerpc/platforms/82xx/pq2.c @@ -53,7 +53,7 @@ static void __init pq2_pci_add_bridge(struct device_node *np) if (of_address_to_resource(np, 0, &r) || r.end - r.start < 0x10b) goto err; - ppc_pci_add_flags(PPC_PCI_REASSIGN_ALL_BUS); + pci_add_flags(PCI_REASSIGN_ALL_BUS); hose = pcibios_alloc_controller(np); if (!hose) diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index 73f4135..670a033 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -114,18 +114,21 @@ config KMETER1 endif -# used for usb +# used for usb & gpio config PPC_MPC831x bool + select ARCH_WANT_OPTIONAL_GPIOLIB # used for math-emu config PPC_MPC832x bool -# used for usb +# used for usb & gpio config PPC_MPC834x bool + select ARCH_WANT_OPTIONAL_GPIOLIB -# used for usb +# used for usb & gpio config PPC_MPC837x bool + select ARCH_WANT_OPTIONAL_GPIOLIB diff --git a/arch/powerpc/platforms/83xx/km83xx.c b/arch/powerpc/platforms/83xx/km83xx.c index a2b9b9e..c55129f 100644 --- a/arch/powerpc/platforms/83xx/km83xx.c +++ b/arch/powerpc/platforms/83xx/km83xx.c @@ -28,7 +28,7 @@ #include <linux/of_device.h> #include <asm/system.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/time.h> #include <asm/io.h> #include <asm/machdep.h> @@ -101,7 +101,7 @@ static void __init mpc83xx_km_setup_arch(void) __func__); return; } - base = ioremap(res.start, res.end - res.start + 1); + base = ioremap(res.start, resource_size(&res)); /* * IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2) diff --git a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c index 70798ac..ef6537b 100644 --- a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c +++ b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c @@ -21,6 +21,8 @@ #include <linux/of.h> #include <linux/of_gpio.h> #include <linux/slab.h> +#include <linux/kthread.h> +#include <linux/reboot.h> #include <asm/prom.h> #include <asm/machdep.h> @@ -30,6 +32,7 @@ */ #define MCU_REG_CTRL 0x20 #define MCU_CTRL_POFF 0x40 +#define MCU_CTRL_BTN 0x80 #define MCU_NUM_GPIO 2 @@ -42,13 +45,55 @@ struct mcu { static struct mcu *glob_mcu; +struct task_struct *shutdown_thread; +static int shutdown_thread_fn(void *data) +{ + int ret; + struct mcu *mcu = glob_mcu; + + while (!kthread_should_stop()) { + ret = i2c_smbus_read_byte_data(mcu->client, MCU_REG_CTRL); + if (ret < 0) + pr_err("MCU status reg read failed.\n"); + mcu->reg_ctrl = ret; + + + if (mcu->reg_ctrl & MCU_CTRL_BTN) { + i2c_smbus_write_byte_data(mcu->client, MCU_REG_CTRL, + mcu->reg_ctrl & ~MCU_CTRL_BTN); + + ctrl_alt_del(); + } + + set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout(HZ); + } + + return 0; +} + +static ssize_t show_status(struct device *d, + struct device_attribute *attr, char *buf) +{ + int ret; + struct mcu *mcu = glob_mcu; + + ret = i2c_smbus_read_byte_data(mcu->client, MCU_REG_CTRL); + if (ret < 0) + return -ENODEV; + mcu->reg_ctrl = ret; + + return sprintf(buf, "%02x\n", ret); +} +static DEVICE_ATTR(status, S_IRUGO, show_status, NULL); + static void mcu_power_off(void) { struct mcu *mcu = glob_mcu; pr_info("Sending power-off request to the MCU...\n"); mutex_lock(&mcu->lock); - i2c_smbus_write_byte_data(glob_mcu->client, MCU_REG_CTRL, + i2c_smbus_write_byte_data(mcu->client, MCU_REG_CTRL, mcu->reg_ctrl | MCU_CTRL_POFF); mutex_unlock(&mcu->lock); } @@ -130,6 +175,13 @@ static int __devinit mcu_probe(struct i2c_client *client, dev_info(&client->dev, "will provide power-off service\n"); } + if (device_create_file(&client->dev, &dev_attr_status)) + dev_err(&client->dev, + "couldn't create device file for status\n"); + + shutdown_thread = kthread_run(shutdown_thread_fn, NULL, + "mcu-i2c-shdn"); + return 0; err: kfree(mcu); @@ -141,6 +193,10 @@ static int __devexit mcu_remove(struct i2c_client *client) struct mcu *mcu = i2c_get_clientdata(client); int ret; + kthread_stop(shutdown_thread); + + device_remove_file(&client->dev, &dev_attr_status); + if (glob_mcu == mcu) { ppc_md.power_off = NULL; glob_mcu = NULL; diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c index ec0b401b..32a5289 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c @@ -27,7 +27,7 @@ #include <linux/of_device.h> #include <asm/system.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/time.h> #include <asm/io.h> #include <asm/machdep.h> @@ -68,7 +68,7 @@ static void __init mpc832x_sys_setup_arch(void) struct resource res; of_address_to_resource(np, 0, &res); - bcsr_regs = ioremap(res.start, res.end - res.start +1); + bcsr_regs = ioremap(res.start, resource_size(&res)); of_node_put(np); } diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c index 81e44fa..6b45969 100644 --- a/arch/powerpc/platforms/83xx/mpc834x_itx.c +++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c @@ -26,7 +26,7 @@ #include <linux/of_platform.h> #include <asm/system.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/time.h> #include <asm/io.h> #include <asm/machdep.h> diff --git a/arch/powerpc/platforms/83xx/mpc834x_mds.c b/arch/powerpc/platforms/83xx/mpc834x_mds.c index d0a634b..041c517 100644 --- a/arch/powerpc/platforms/83xx/mpc834x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc834x_mds.c @@ -26,7 +26,7 @@ #include <linux/of_platform.h> #include <asm/system.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/time.h> #include <asm/io.h> #include <asm/machdep.h> @@ -53,7 +53,7 @@ static int mpc834xemds_usb_cfg(void) struct resource res; of_address_to_resource(np, 0, &res); - bcsr_regs = ioremap(res.start, res.end - res.start + 1); + bcsr_regs = ioremap(res.start, resource_size(&res)); of_node_put(np); } if (!bcsr_regs) diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c index 09e9d6f..934cc8c 100644 --- a/arch/powerpc/platforms/83xx/mpc836x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c @@ -34,7 +34,7 @@ #include <linux/of_device.h> #include <asm/system.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/time.h> #include <asm/io.h> #include <asm/machdep.h> @@ -76,7 +76,7 @@ static void __init mpc836x_mds_setup_arch(void) struct resource res; of_address_to_resource(np, 0, &res); - bcsr_regs = ioremap(res.start, res.end - res.start +1); + bcsr_regs = ioremap(res.start, resource_size(&res)); of_node_put(np); } diff --git a/arch/powerpc/platforms/83xx/sbc834x.c b/arch/powerpc/platforms/83xx/sbc834x.c index 49023db..af41d8c 100644 --- a/arch/powerpc/platforms/83xx/sbc834x.c +++ b/arch/powerpc/platforms/83xx/sbc834x.c @@ -28,7 +28,7 @@ #include <linux/of_platform.h> #include <asm/system.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/time.h> #include <asm/io.h> #include <asm/machdep.h> diff --git a/arch/powerpc/platforms/83xx/suspend.c b/arch/powerpc/platforms/83xx/suspend.c index 104faa8..edf6687 100644 --- a/arch/powerpc/platforms/83xx/suspend.c +++ b/arch/powerpc/platforms/83xx/suspend.c @@ -21,6 +21,7 @@ #include <linux/suspend.h> #include <linux/fsl_devices.h> #include <linux/of_platform.h> +#include <linux/export.h> #include <asm/reg.h> #include <asm/io.h> diff --git a/arch/powerpc/platforms/83xx/usb.c b/arch/powerpc/platforms/83xx/usb.c index 2c64164..1ad748b 100644 --- a/arch/powerpc/platforms/83xx/usb.c +++ b/arch/powerpc/platforms/83xx/usb.c @@ -171,7 +171,7 @@ int mpc831x_usb_cfg(void) of_node_put(np); return ret; } - usb_regs = ioremap(res.start, res.end - res.start + 1); + usb_regs = ioremap(res.start, resource_size(&res)); /* Using on-chip PHY */ if (prop && (!strcmp(prop, "utmi_wide") || diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index b6976e1..d7946be 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -67,14 +67,30 @@ config MPC85xx_RDB help This option enables support for the MPC85xx RDB (P2020 RDB) board +config P1010_RDB + bool "Freescale P1010RDB" + select DEFAULT_UIMAGE + help + This option enables support for the MPC85xx RDB (P1010 RDB) board + + P1010RDB contains P1010Si, which provides CPU performance up to 800 + MHz and 1600 DMIPS, additional functionality and faster interfaces + (DDR3/3L, SATA II, and PCI Express). + config P1022_DS bool "Freescale P1022 DS" select DEFAULT_UIMAGE - select CONFIG_PHYS_64BIT # The DTS has 36-bit addresses + select PHYS_64BIT # The DTS has 36-bit addresses select SWIOTLB help This option enables support for the Freescale P1022DS reference board. +config P1023_RDS + bool "Freescale P1023 RDS" + select DEFAULT_UIMAGE + help + This option enables support for the P1023 RDS board + config SOCRATES bool "Socrates" select DEFAULT_UIMAGE @@ -155,25 +171,54 @@ config SBC8560 help This option enables support for the Wind River SBC8560 board +config P2041_RDB + bool "Freescale P2041 RDB" + select DEFAULT_UIMAGE + select PPC_E500MC + select PHYS_64BIT + select SWIOTLB + select ARCH_REQUIRE_GPIOLIB + select GPIO_MPC8XXX + select HAS_RAPIDIO + select PPC_EPAPR_HV_PIC + help + This option enables support for the P2041 RDB board + config P3041_DS bool "Freescale P3041 DS" select DEFAULT_UIMAGE select PPC_E500MC select PHYS_64BIT select SWIOTLB - select MPC8xxx_GPIO + select ARCH_REQUIRE_GPIOLIB + select GPIO_MPC8XXX select HAS_RAPIDIO + select PPC_EPAPR_HV_PIC help This option enables support for the P3041 DS board +config P3060_QDS + bool "Freescale P3060 QDS" + select DEFAULT_UIMAGE + select PPC_E500MC + select PHYS_64BIT + select SWIOTLB + select GPIO_MPC8XXX + select HAS_RAPIDIO + select PPC_EPAPR_HV_PIC + help + This option enables support for the P3060 QDS board + config P4080_DS bool "Freescale P4080 DS" select DEFAULT_UIMAGE select PPC_E500MC select PHYS_64BIT select SWIOTLB - select MPC8xxx_GPIO + select ARCH_REQUIRE_GPIOLIB + select GPIO_MPC8XXX select HAS_RAPIDIO + select PPC_EPAPR_HV_PIC help This option enables support for the P4080 DS board @@ -186,8 +231,10 @@ config P5020_DS select PPC_E500MC select PHYS_64BIT select SWIOTLB - select MPC8xxx_GPIO + select ARCH_REQUIRE_GPIOLIB + select GPIO_MPC8XXX select HAS_RAPIDIO + select PPC_EPAPR_HV_PIC help This option enables support for the P5020 DS board diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile index dd70db7..bc5acb9 100644 --- a/arch/powerpc/platforms/85xx/Makefile +++ b/arch/powerpc/platforms/85xx/Makefile @@ -10,8 +10,12 @@ obj-$(CONFIG_MPC8536_DS) += mpc8536_ds.o obj-$(CONFIG_MPC85xx_DS) += mpc85xx_ds.o obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o obj-$(CONFIG_MPC85xx_RDB) += mpc85xx_rdb.o +obj-$(CONFIG_P1010_RDB) += p1010rdb.o obj-$(CONFIG_P1022_DS) += p1022_ds.o +obj-$(CONFIG_P1023_RDS) += p1023_rds.o +obj-$(CONFIG_P2041_RDB) += p2041_rdb.o corenet_ds.o obj-$(CONFIG_P3041_DS) += p3041_ds.o corenet_ds.o +obj-$(CONFIG_P3060_QDS) += p3060_qds.o corenet_ds.o obj-$(CONFIG_P4080_DS) += p4080_ds.o corenet_ds.o obj-$(CONFIG_P5020_DS) += p5020_ds.o corenet_ds.o obj-$(CONFIG_STX_GP3) += stx_gp3.o diff --git a/arch/powerpc/platforms/85xx/corenet_ds.c b/arch/powerpc/platforms/85xx/corenet_ds.c index 2ab338c..802ad11 100644 --- a/arch/powerpc/platforms/85xx/corenet_ds.c +++ b/arch/powerpc/platforms/85xx/corenet_ds.c @@ -3,7 +3,7 @@ * * Maintained by Kumar Gala (see MAINTAINERS for contact information) * - * Copyright 2009 Freescale Semiconductor Inc. + * Copyright 2009-2011 Freescale Semiconductor Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -22,6 +22,7 @@ #include <asm/time.h> #include <asm/machdep.h> #include <asm/pci-bridge.h> +#include <asm/ppc-pci.h> #include <mm/mmu_decl.h> #include <asm/prom.h> #include <asm/udbg.h> @@ -61,10 +62,6 @@ void __init corenet_ds_pic_init(void) mpic_init(mpic); } -#ifdef CONFIG_PCI -static int primary_phb_addr; -#endif - /* * Setup the architecture */ @@ -85,18 +82,19 @@ void __init corenet_ds_setup_arch(void) #endif #ifdef CONFIG_PCI - for_each_compatible_node(np, "pci", "fsl,p4080-pcie") { - struct resource rsrc; - of_address_to_resource(np, 0, &rsrc); - if ((rsrc.start & 0xfffff) == primary_phb_addr) - fsl_add_bridge(np, 1); - else + for_each_node_by_type(np, "pci") { + if (of_device_is_compatible(np, "fsl,p4080-pcie") || + of_device_is_compatible(np, "fsl,qoriq-pcie-v2.2")) { fsl_add_bridge(np, 0); - - hose = pci_find_hose_for_OF_device(np); - max = min(max, hose->dma_window_base_cur + - hose->dma_window_size); + hose = pci_find_hose_for_OF_device(np); + max = min(max, hose->dma_window_base_cur + + hose->dma_window_size); + } } + +#ifdef CONFIG_PPC64 + pci_devs_phb_init(); +#endif #endif #ifdef CONFIG_SWIOTLB @@ -116,6 +114,19 @@ static const struct of_device_id of_device_ids[] __devinitconst = { { .compatible = "fsl,rapidio-delta", }, + { + .compatible = "fsl,p4080-pcie", + }, + { + .compatible = "fsl,qoriq-pcie-v2.2", + }, + /* The following two are for the Freescale hypervisor */ + { + .name = "hypervisor", + }, + { + .name = "handles", + }, {} }; diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 6299a2a..66cb8d6 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -23,7 +23,6 @@ #include <linux/delay.h> #include <linux/seq_file.h> #include <linux/initrd.h> -#include <linux/module.h> #include <linux/interrupt.h> #include <linux/fsl_devices.h> #include <linux/of_platform.h> @@ -31,7 +30,7 @@ #include <asm/system.h> #include <asm/pgtable.h> #include <asm/page.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/time.h> #include <asm/io.h> #include <asm/machdep.h> diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c index c7b97f7..1b9a8cf 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c @@ -83,7 +83,8 @@ void __init mpc85xx_ds_pic_init(void) if (of_flat_dt_is_compatible(root, "fsl,MPC8572DS-CAMP")) { mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | - MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS, + MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | + MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC "); } else { mpic = mpic_alloc(np, r.start, diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index 747d1ee..a23a3ff 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -28,7 +28,6 @@ #include <linux/delay.h> #include <linux/seq_file.h> #include <linux/initrd.h> -#include <linux/module.h> #include <linux/fsl_devices.h> #include <linux/of_platform.h> #include <linux/of_device.h> @@ -36,7 +35,7 @@ #include <linux/memblock.h> #include <asm/system.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/time.h> #include <asm/io.h> #include <asm/machdep.h> diff --git a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c index 088f30b..f5ff911 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c @@ -58,10 +58,11 @@ void __init mpc85xx_rdb_pic_init(void) return; } - if (of_flat_dt_is_compatible(root, "fsl,85XXRDB-CAMP")) { + if (of_flat_dt_is_compatible(root, "fsl,MPC85XXRDB-CAMP")) { mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | - MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS, + MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | + MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC "); } else { mpic = mpic_alloc(np, r.start, diff --git a/arch/powerpc/platforms/85xx/p1010rdb.c b/arch/powerpc/platforms/85xx/p1010rdb.c new file mode 100644 index 0000000..d7387fa --- /dev/null +++ b/arch/powerpc/platforms/85xx/p1010rdb.c @@ -0,0 +1,122 @@ +/* + * P1010RDB Board Setup + * + * Copyright 2011 Freescale Semiconductor Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/of_platform.h> + +#include <asm/system.h> +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/pci-bridge.h> +#include <mm/mmu_decl.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/mpic.h> + +#include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> + +void __init p1010_rdb_pic_init(void) +{ + struct mpic *mpic; + struct resource r; + struct device_node *np; + + np = of_find_node_by_type(NULL, "open-pic"); + if (np == NULL) { + printk(KERN_ERR "Could not find open-pic node\n"); + return; + } + + if (of_address_to_resource(np, 0, &r)) { + printk(KERN_ERR "Failed to map mpic register space\n"); + of_node_put(np); + return; + } + + mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | + MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU, + 0, 256, " OpenPIC "); + + BUG_ON(mpic == NULL); + of_node_put(np); + + mpic_init(mpic); + +} + + +/* + * Setup the architecture + */ +static void __init p1010_rdb_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + + if (ppc_md.progress) + ppc_md.progress("p1010_rdb_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_node_by_type(np, "pci") { + if (of_device_is_compatible(np, "fsl,p1010-pcie")) + fsl_add_bridge(np, 0); + } + +#endif + + printk(KERN_INFO "P1010 RDB board from Freescale Semiconductor\n"); +} + +static struct of_device_id __initdata p1010rdb_ids[] = { + { .type = "soc", }, + { .compatible = "soc", }, + { .compatible = "simple-bus", }, + {}, +}; + +static int __init p1010rdb_publish_devices(void) +{ + return of_platform_bus_probe(NULL, p1010rdb_ids, NULL); +} +machine_device_initcall(p1010_rdb, p1010rdb_publish_devices); +machine_arch_initcall(p1010_rdb, swiotlb_setup_bus_notifier); + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init p1010_rdb_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (of_flat_dt_is_compatible(root, "fsl,P1010RDB")) + return 1; + return 0; +} + +define_machine(p1010_rdb) { + .name = "P1010 RDB", + .probe = p1010_rdb_probe, + .setup_arch = p1010_rdb_setup_arch, + .init_IRQ = p1010_rdb_pic_init, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif + .get_irq = mpic_get_irq, + .restart = fsl_rstcr_restart, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c index 7eb5c40..fda1571 100644 --- a/arch/powerpc/platforms/85xx/p1022_ds.c +++ b/arch/powerpc/platforms/85xx/p1022_ds.c @@ -93,8 +93,8 @@ * The Area Descriptor is a 32-bit value that determine which bits in each * pixel are to be used for each color. */ -static unsigned int p1022ds_get_pixel_format(unsigned int bits_per_pixel, - int monitor_port) +static u32 p1022ds_get_pixel_format(enum fsl_diu_monitor_port port, + unsigned int bits_per_pixel) { switch (bits_per_pixel) { case 32: @@ -118,7 +118,8 @@ static unsigned int p1022ds_get_pixel_format(unsigned int bits_per_pixel, * On some boards, the gamma table for some ports may need to be modified. * This is not the case on the P1022DS, so we do nothing. */ -static void p1022ds_set_gamma_table(int monitor_port, char *gamma_table_base) +static void p1022ds_set_gamma_table(enum fsl_diu_monitor_port port, + char *gamma_table_base) { } @@ -126,38 +127,46 @@ static void p1022ds_set_gamma_table(int monitor_port, char *gamma_table_base) * p1022ds_set_monitor_port: switch the output to a different monitor port * */ -static void p1022ds_set_monitor_port(int monitor_port) +static void p1022ds_set_monitor_port(enum fsl_diu_monitor_port port) { - struct device_node *pixis_node; + struct device_node *np; + void __iomem *pixis; u8 __iomem *brdcfg1; - pixis_node = of_find_compatible_node(NULL, NULL, "fsl,p1022ds-pixis"); - if (!pixis_node) { + np = of_find_compatible_node(NULL, NULL, "fsl,p1022ds-fpga"); + if (!np) + /* older device trees used "fsl,p1022ds-pixis" */ + np = of_find_compatible_node(NULL, NULL, "fsl,p1022ds-pixis"); + if (!np) { pr_err("p1022ds: missing ngPIXIS node\n"); return; } - brdcfg1 = of_iomap(pixis_node, 0); - if (!brdcfg1) { + pixis = of_iomap(np, 0); + if (!pixis) { pr_err("p1022ds: could not map ngPIXIS registers\n"); return; } - brdcfg1 += 9; /* BRDCFG1 is at offset 9 in the ngPIXIS */ + brdcfg1 = pixis + 9; /* BRDCFG1 is at offset 9 in the ngPIXIS */ - switch (monitor_port) { - case 0: /* DVI */ + switch (port) { + case FSL_DIU_PORT_DVI: + printk(KERN_INFO "%s:%u\n", __func__, __LINE__); /* Enable the DVI port, disable the DFP and the backlight */ clrsetbits_8(brdcfg1, PX_BRDCFG1_DFPEN | PX_BRDCFG1_BACKLIGHT, PX_BRDCFG1_DVIEN); break; - case 1: /* Single link LVDS */ + case FSL_DIU_PORT_LVDS: + printk(KERN_INFO "%s:%u\n", __func__, __LINE__); /* Enable the DFP port, disable the DVI and the backlight */ clrsetbits_8(brdcfg1, PX_BRDCFG1_DVIEN | PX_BRDCFG1_BACKLIGHT, PX_BRDCFG1_DFPEN); break; default: - pr_err("p1022ds: unsupported monitor port %i\n", monitor_port); + pr_err("p1022ds: unsupported monitor port %i\n", port); } + + iounmap(pixis); } /** @@ -192,8 +201,13 @@ void p1022ds_set_pixel_clock(unsigned int pixclock) do_div(temp, pixclock); freq = temp; - /* pixclk is the ratio of the platform clock to the pixel clock */ + /* + * 'pxclk' is the ratio of the platform clock to the pixel clock. + * This number is programmed into the CLKDVDR register, and the valid + * range of values is 2-255. + */ pxclk = DIV_ROUND_CLOSEST(fsl_get_sys_freq(), freq); + pxclk = clamp_t(u32, pxclk, 2, 255); /* Disable the pixel clock, and set it to non-inverted and no delay */ clrbits32(&guts->clkdvdr, @@ -201,26 +215,23 @@ void p1022ds_set_pixel_clock(unsigned int pixclock) /* Enable the clock and set the pxclk */ setbits32(&guts->clkdvdr, CLKDVDR_PXCKEN | (pxclk << 16)); -} -/** - * p1022ds_show_monitor_port: show the current monitor - * - * This function returns a string indicating whether the current monitor is - * set to DVI or LVDS. - */ -ssize_t p1022ds_show_monitor_port(int monitor_port, char *buf) -{ - return sprintf(buf, "%c0 - DVI\n%c1 - Single link LVDS\n", - monitor_port == 0 ? '*' : ' ', monitor_port == 1 ? '*' : ' '); + iounmap(guts); } /** - * p1022ds_set_sysfs_monitor_port: set the monitor port for sysfs + * p1022ds_valid_monitor_port: set the monitor port for sysfs */ -int p1022ds_set_sysfs_monitor_port(int val) +enum fsl_diu_monitor_port +p1022ds_valid_monitor_port(enum fsl_diu_monitor_port port) { - return val < 2 ? val : 0; + switch (port) { + case FSL_DIU_PORT_DVI: + case FSL_DIU_PORT_LVDS: + return port; + default: + return FSL_DIU_PORT_DVI; /* Dual-link LVDS is not supported */ + } } #endif @@ -295,8 +306,7 @@ static void __init p1022_ds_setup_arch(void) diu_ops.set_gamma_table = p1022ds_set_gamma_table; diu_ops.set_monitor_port = p1022ds_set_monitor_port; diu_ops.set_pixel_clock = p1022ds_set_pixel_clock; - diu_ops.show_monitor_port = p1022ds_show_monitor_port; - diu_ops.set_sysfs_monitor_port = p1022ds_set_sysfs_monitor_port; + diu_ops.valid_monitor_port = p1022ds_valid_monitor_port; #endif #ifdef CONFIG_SMP diff --git a/arch/powerpc/platforms/85xx/p1023_rds.c b/arch/powerpc/platforms/85xx/p1023_rds.c new file mode 100644 index 0000000..835e0b3 --- /dev/null +++ b/arch/powerpc/platforms/85xx/p1023_rds.c @@ -0,0 +1,162 @@ +/* + * Copyright 2010-2011 Freescale Semiconductor, Inc. + * + * Author: Roy Zang <tie-fei.zang@freescale.com> + * + * Description: + * P1023 RDS Board Setup + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/fsl_devices.h> +#include <linux/of_platform.h> +#include <linux/of_device.h> + +#include <asm/system.h> +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/pci-bridge.h> +#include <mm/mmu_decl.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/mpic.h> + +#include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> + +/* ************************************************************************ + * + * Setup the architecture + * + */ +#ifdef CONFIG_SMP +void __init mpc85xx_smp_init(void); +#endif + +static void __init mpc85xx_rds_setup_arch(void) +{ + struct device_node *np; + + if (ppc_md.progress) + ppc_md.progress("p1023_rds_setup_arch()", 0); + + /* Map BCSR area */ + np = of_find_node_by_name(NULL, "bcsr"); + if (np != NULL) { + static u8 __iomem *bcsr_regs; + + bcsr_regs = of_iomap(np, 0); + of_node_put(np); + + if (!bcsr_regs) { + printk(KERN_ERR + "BCSR: Failed to map bcsr register space\n"); + return; + } else { +#define BCSR15_I2C_BUS0_SEG_CLR 0x07 +#define BCSR15_I2C_BUS0_SEG2 0x02 +/* + * Note: Accessing exclusively i2c devices. + * + * The i2c controller selects initially ID EEPROM in the u-boot; + * but if menu configuration selects RTC support in the kernel, + * the i2c controller switches to select RTC chip in the kernel. + */ +#ifdef CONFIG_RTC_CLASS + /* Enable RTC chip on the segment #2 of i2c */ + clrbits8(&bcsr_regs[15], BCSR15_I2C_BUS0_SEG_CLR); + setbits8(&bcsr_regs[15], BCSR15_I2C_BUS0_SEG2); +#endif + + iounmap(bcsr_regs); + } + } + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,p1023-pcie") + fsl_add_bridge(np, 0); +#endif + +#ifdef CONFIG_SMP + mpc85xx_smp_init(); +#endif +} + +static struct of_device_id p1023_ids[] = { + { .type = "soc", }, + { .compatible = "soc", }, + { .compatible = "simple-bus", }, + {}, +}; + + +static int __init p1023_publish_devices(void) +{ + of_platform_bus_probe(NULL, p1023_ids, NULL); + + return 0; +} + +machine_device_initcall(p1023_rds, p1023_publish_devices); + +static void __init mpc85xx_rds_pic_init(void) +{ + struct mpic *mpic; + struct resource r; + struct device_node *np = NULL; + + np = of_find_node_by_type(NULL, "open-pic"); + if (!np) { + printk(KERN_ERR "Could not find open-pic node\n"); + return; + } + + if (of_address_to_resource(np, 0, &r)) { + printk(KERN_ERR "Failed to map mpic register space\n"); + of_node_put(np); + return; + } + + mpic = mpic_alloc(np, r.start, + MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN | + MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU, + 0, 256, " OpenPIC "); + + BUG_ON(mpic == NULL); + of_node_put(np); + + mpic_init(mpic); +} + +static int __init p1023_rds_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "fsl,P1023RDS"); + +} + +define_machine(p1023_rds) { + .name = "P1023 RDS", + .probe = p1023_rds_probe, + .setup_arch = mpc85xx_rds_setup_arch, + .init_IRQ = mpc85xx_rds_pic_init, + .get_irq = mpic_get_irq, + .restart = fsl_rstcr_restart, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif +}; + diff --git a/arch/powerpc/platforms/85xx/p2041_rdb.c b/arch/powerpc/platforms/85xx/p2041_rdb.c new file mode 100644 index 0000000..eda6ed5 --- /dev/null +++ b/arch/powerpc/platforms/85xx/p2041_rdb.c @@ -0,0 +1,88 @@ +/* + * P2041 RDB Setup + * + * Copyright 2011 Freescale Semiconductor Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/kdev_t.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/phy.h> + +#include <asm/system.h> +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/pci-bridge.h> +#include <mm/mmu_decl.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/mpic.h> + +#include <linux/of_platform.h> +#include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> +#include <asm/ehv_pic.h> + +#include "corenet_ds.h" + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init p2041_rdb_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); +#ifdef CONFIG_SMP + extern struct smp_ops_t smp_85xx_ops; +#endif + + if (of_flat_dt_is_compatible(root, "fsl,P2041RDB")) + return 1; + + /* Check if we're running under the Freescale hypervisor */ + if (of_flat_dt_is_compatible(root, "fsl,P2041RDB-hv")) { + ppc_md.init_IRQ = ehv_pic_init; + ppc_md.get_irq = ehv_pic_get_irq; + ppc_md.restart = fsl_hv_restart; + ppc_md.power_off = fsl_hv_halt; + ppc_md.halt = fsl_hv_halt; +#ifdef CONFIG_SMP + /* + * Disable the timebase sync operations because we can't write + * to the timebase registers under the hypervisor. + */ + smp_85xx_ops.give_timebase = NULL; + smp_85xx_ops.take_timebase = NULL; +#endif + return 1; + } + + return 0; +} + +define_machine(p2041_rdb) { + .name = "P2041 RDB", + .probe = p2041_rdb_probe, + .setup_arch = corenet_ds_setup_arch, + .init_IRQ = corenet_ds_pic_init, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif + .get_irq = mpic_get_coreint_irq, + .restart = fsl_rstcr_restart, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, + .power_save = e500_idle, +}; + +machine_device_initcall(p2041_rdb, corenet_ds_publish_devices); + +#ifdef CONFIG_SWIOTLB +machine_arch_initcall(p2041_rdb, swiotlb_setup_bus_notifier); +#endif diff --git a/arch/powerpc/platforms/85xx/p3041_ds.c b/arch/powerpc/platforms/85xx/p3041_ds.c index 0ed52e1..96d99a3 100644 --- a/arch/powerpc/platforms/85xx/p3041_ds.c +++ b/arch/powerpc/platforms/85xx/p3041_ds.c @@ -30,6 +30,7 @@ #include <linux/of_platform.h> #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> +#include <asm/ehv_pic.h> #include "corenet_ds.h" @@ -39,8 +40,32 @@ static int __init p3041_ds_probe(void) { unsigned long root = of_get_flat_dt_root(); +#ifdef CONFIG_SMP + extern struct smp_ops_t smp_85xx_ops; +#endif + + if (of_flat_dt_is_compatible(root, "fsl,P3041DS")) + return 1; + + /* Check if we're running under the Freescale hypervisor */ + if (of_flat_dt_is_compatible(root, "fsl,P3041DS-hv")) { + ppc_md.init_IRQ = ehv_pic_init; + ppc_md.get_irq = ehv_pic_get_irq; + ppc_md.restart = fsl_hv_restart; + ppc_md.power_off = fsl_hv_halt; + ppc_md.halt = fsl_hv_halt; +#ifdef CONFIG_SMP + /* + * Disable the timebase sync operations because we can't write + * to the timebase registers under the hypervisor. + */ + smp_85xx_ops.give_timebase = NULL; + smp_85xx_ops.take_timebase = NULL; +#endif + return 1; + } - return of_flat_dt_is_compatible(root, "fsl,P3041DS"); + return 0; } define_machine(p3041_ds) { @@ -55,6 +80,7 @@ define_machine(p3041_ds) { .restart = fsl_rstcr_restart, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, + .power_save = e500_idle, }; machine_device_initcall(p3041_ds, corenet_ds_publish_devices); diff --git a/arch/powerpc/platforms/85xx/p3060_qds.c b/arch/powerpc/platforms/85xx/p3060_qds.c new file mode 100644 index 0000000..081cf4a --- /dev/null +++ b/arch/powerpc/platforms/85xx/p3060_qds.c @@ -0,0 +1,77 @@ +/* + * P3060 QDS Setup + * + * Copyright 2011 Freescale Semiconductor Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/interrupt.h> +#include <linux/phy.h> +#include <asm/machdep.h> +#include <asm/udbg.h> +#include <asm/mpic.h> +#include <linux/of_platform.h> +#include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> +#include <asm/ehv_pic.h> +#include "corenet_ds.h" + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init p3060_qds_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); +#ifdef CONFIG_SMP + extern struct smp_ops_t smp_85xx_ops; +#endif + + if (of_flat_dt_is_compatible(root, "fsl,P3060QDS")) + return 1; + + /* Check if we're running under the Freescale hypervisor */ + if (of_flat_dt_is_compatible(root, "fsl,P3060QDS-hv")) { + ppc_md.init_IRQ = ehv_pic_init; + ppc_md.get_irq = ehv_pic_get_irq; + ppc_md.restart = fsl_hv_restart; + ppc_md.power_off = fsl_hv_halt; + ppc_md.halt = fsl_hv_halt; +#ifdef CONFIG_SMP + /* + * Disable the timebase sync operations because we can't write + * to the timebase registers under the hypervisor. + */ + smp_85xx_ops.give_timebase = NULL; + smp_85xx_ops.take_timebase = NULL; +#endif + return 1; + } + + return 0; +} + +define_machine(p3060_qds) { + .name = "P3060 QDS", + .probe = p3060_qds_probe, + .setup_arch = corenet_ds_setup_arch, + .init_IRQ = corenet_ds_pic_init, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif + .get_irq = mpic_get_coreint_irq, + .restart = fsl_rstcr_restart, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, + .power_save = e500_idle, +}; + +machine_device_initcall(p3060_qds, corenet_ds_publish_devices); + +#ifdef CONFIG_SWIOTLB +machine_arch_initcall(p3060_qds, swiotlb_setup_bus_notifier); +#endif diff --git a/arch/powerpc/platforms/85xx/p4080_ds.c b/arch/powerpc/platforms/85xx/p4080_ds.c index 8417046..d1b21d7 100644 --- a/arch/powerpc/platforms/85xx/p4080_ds.c +++ b/arch/powerpc/platforms/85xx/p4080_ds.c @@ -29,31 +29,42 @@ #include <linux/of_platform.h> #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> +#include <asm/ehv_pic.h> #include "corenet_ds.h" -#ifdef CONFIG_PCI -static int primary_phb_addr; -#endif - /* * Called very early, device-tree isn't unflattened */ static int __init p4080_ds_probe(void) { unsigned long root = of_get_flat_dt_root(); +#ifdef CONFIG_SMP + extern struct smp_ops_t smp_85xx_ops; +#endif - if (of_flat_dt_is_compatible(root, "fsl,P4080DS")) { -#ifdef CONFIG_PCI - /* treat PCIe1 as primary, - * shouldn't matter as we have no ISA on the board - */ - primary_phb_addr = 0x0000; + if (of_flat_dt_is_compatible(root, "fsl,P4080DS")) + return 1; + + /* Check if we're running under the Freescale hypervisor */ + if (of_flat_dt_is_compatible(root, "fsl,P4080DS-hv")) { + ppc_md.init_IRQ = ehv_pic_init; + ppc_md.get_irq = ehv_pic_get_irq; + ppc_md.restart = fsl_hv_restart; + ppc_md.power_off = fsl_hv_halt; + ppc_md.halt = fsl_hv_halt; +#ifdef CONFIG_SMP + /* + * Disable the timebase sync operations because we can't write + * to the timebase registers under the hypervisor. + */ + smp_85xx_ops.give_timebase = NULL; + smp_85xx_ops.take_timebase = NULL; #endif return 1; - } else { - return 0; } + + return 0; } define_machine(p4080_ds) { @@ -68,7 +79,10 @@ define_machine(p4080_ds) { .restart = fsl_rstcr_restart, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, + .power_save = e500_idle, }; machine_device_initcall(p4080_ds, corenet_ds_publish_devices); +#ifdef CONFIG_SWIOTLB machine_arch_initcall(p4080_ds, swiotlb_setup_bus_notifier); +#endif diff --git a/arch/powerpc/platforms/85xx/p5020_ds.c b/arch/powerpc/platforms/85xx/p5020_ds.c index 7467b71..e8cba50 100644 --- a/arch/powerpc/platforms/85xx/p5020_ds.c +++ b/arch/powerpc/platforms/85xx/p5020_ds.c @@ -30,6 +30,7 @@ #include <linux/of_platform.h> #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> +#include <asm/ehv_pic.h> #include "corenet_ds.h" @@ -39,8 +40,32 @@ static int __init p5020_ds_probe(void) { unsigned long root = of_get_flat_dt_root(); +#ifdef CONFIG_SMP + extern struct smp_ops_t smp_85xx_ops; +#endif + + if (of_flat_dt_is_compatible(root, "fsl,P5020DS")) + return 1; + + /* Check if we're running under the Freescale hypervisor */ + if (of_flat_dt_is_compatible(root, "fsl,P5020DS-hv")) { + ppc_md.init_IRQ = ehv_pic_init; + ppc_md.get_irq = ehv_pic_get_irq; + ppc_md.restart = fsl_hv_restart; + ppc_md.power_off = fsl_hv_halt; + ppc_md.halt = fsl_hv_halt; +#ifdef CONFIG_SMP + /* + * Disable the timebase sync operations because we can't write + * to the timebase registers under the hypervisor. + */ + smp_85xx_ops.give_timebase = NULL; + smp_85xx_ops.take_timebase = NULL; +#endif + return 1; + } - return of_flat_dt_is_compatible(root, "fsl,P5020DS"); + return 0; } define_machine(p5020_ds) { @@ -60,6 +85,11 @@ define_machine(p5020_ds) { .restart = fsl_rstcr_restart, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, +#ifdef CONFIG_PPC64 + .power_save = book3e_idle, +#else + .power_save = e500_idle, +#endif }; machine_device_initcall(p5020_ds, corenet_ds_publish_devices); diff --git a/arch/powerpc/platforms/85xx/sbc8548.c b/arch/powerpc/platforms/85xx/sbc8548.c index ecdd8c0..14632a9 100644 --- a/arch/powerpc/platforms/85xx/sbc8548.c +++ b/arch/powerpc/platforms/85xx/sbc8548.c @@ -26,7 +26,6 @@ #include <linux/delay.h> #include <linux/seq_file.h> #include <linux/initrd.h> -#include <linux/module.h> #include <linux/interrupt.h> #include <linux/fsl_devices.h> #include <linux/of_platform.h> @@ -34,7 +33,7 @@ #include <asm/system.h> #include <asm/pgtable.h> #include <asm/page.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/time.h> #include <asm/io.h> #include <asm/machdep.h> diff --git a/arch/powerpc/platforms/85xx/sbc8560.c b/arch/powerpc/platforms/85xx/sbc8560.c index d2dfd46..cebd786 100644 --- a/arch/powerpc/platforms/85xx/sbc8560.c +++ b/arch/powerpc/platforms/85xx/sbc8560.c @@ -283,9 +283,9 @@ static int __init sbc8560_bdrstcr_init(void) of_address_to_resource(np, 0, &res); - printk(KERN_INFO "sbc8560: Found BRSTCR at i/o 0x%x\n", res.start); + printk(KERN_INFO "sbc8560: Found BRSTCR at %pR\n", &res); - brstcr = ioremap(res.start, res.end - res.start); + brstcr = ioremap(res.start, resource_size(&res)); if(!brstcr) printk(KERN_WARNING "sbc8560: ioremap of brstcr failed.\n"); diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c index d6a93a1..2df4785 100644 --- a/arch/powerpc/platforms/85xx/smp.c +++ b/arch/powerpc/platforms/85xx/smp.c @@ -2,7 +2,7 @@ * Author: Andy Fleming <afleming@freescale.com> * Kumar Gala <galak@kernel.crashing.org> * - * Copyright 2006-2008 Freescale Semiconductor Inc. + * Copyright 2006-2008, 2011 Freescale Semiconductor Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -48,10 +48,11 @@ smp_85xx_kick_cpu(int nr) const u64 *cpu_rel_addr; __iomem u32 *bptr_vaddr; struct device_node *np; - int n = 0; + int n = 0, hw_cpu = get_hard_smp_processor_id(nr); int ioremappable; - WARN_ON (nr < 0 || nr >= NR_CPUS); + WARN_ON(nr < 0 || nr >= NR_CPUS); + WARN_ON(hw_cpu < 0 || hw_cpu >= NR_CPUS); pr_debug("smp_85xx_kick_cpu: kick CPU #%d\n", nr); @@ -79,7 +80,7 @@ smp_85xx_kick_cpu(int nr) local_irq_save(flags); - out_be32(bptr_vaddr + BOOT_ENTRY_PIR, nr); + out_be32(bptr_vaddr + BOOT_ENTRY_PIR, hw_cpu); #ifdef CONFIG_PPC32 out_be32(bptr_vaddr + BOOT_ENTRY_ADDR_LOWER, __pa(__early_start)); @@ -88,7 +89,7 @@ smp_85xx_kick_cpu(int nr) (ulong)(bptr_vaddr + SIZE_BOOT_ENTRY)); /* Wait a bit for the CPU to ack. */ - while ((__secondary_hold_acknowledge != nr) && (++n < 1000)) + while ((__secondary_hold_acknowledge != hw_cpu) && (++n < 1000)) mdelay(1); #else smp_generic_kick_cpu(nr); @@ -111,14 +112,6 @@ smp_85xx_kick_cpu(int nr) return 0; } -static void __init -smp_85xx_setup_cpu(int cpu_nr) -{ - mpic_setup_this_cpu(); - if (cpu_has_feature(CPU_FTR_DBELL)) - doorbell_setup_this_cpu(); -} - struct smp_ops_t smp_85xx_ops = { .kick_cpu = smp_85xx_kick_cpu, #ifdef CONFIG_KEXEC @@ -214,7 +207,7 @@ static void mpc85xx_smp_machine_kexec(struct kimage *image) if ( !timeout ) printk(KERN_ERR "Unable to bring down secondary cpu(s)"); - for (i = 0; i < num_cpus; i++) + for_each_online_cpu(i) { if ( i == smp_processor_id() ) continue; mpic_reset_core(i); @@ -224,24 +217,37 @@ static void mpc85xx_smp_machine_kexec(struct kimage *image) } #endif /* CONFIG_KEXEC */ +static void __init +smp_85xx_setup_cpu(int cpu_nr) +{ + if (smp_85xx_ops.probe == smp_mpic_probe) + mpic_setup_this_cpu(); + + if (cpu_has_feature(CPU_FTR_DBELL)) + doorbell_setup_this_cpu(); +} + void __init mpc85xx_smp_init(void) { struct device_node *np; + smp_85xx_ops.setup_cpu = smp_85xx_setup_cpu; + np = of_find_node_by_type(NULL, "open-pic"); if (np) { smp_85xx_ops.probe = smp_mpic_probe; - smp_85xx_ops.setup_cpu = smp_85xx_setup_cpu; smp_85xx_ops.message_pass = smp_mpic_message_pass; } if (cpu_has_feature(CPU_FTR_DBELL)) { - smp_85xx_ops.message_pass = smp_muxed_ipi_message_pass; + /* + * If left NULL, .message_pass defaults to + * smp_muxed_ipi_message_pass + */ + smp_85xx_ops.message_pass = NULL; smp_85xx_ops.cause_ipi = doorbell_cause_ipi; } - BUG_ON(!smp_85xx_ops.message_pass); - smp_ops = &smp_85xx_ops; #ifdef CONFIG_KEXEC diff --git a/arch/powerpc/platforms/85xx/xes_mpc85xx.c b/arch/powerpc/platforms/85xx/xes_mpc85xx.c index 0125604..a9dc5e7 100644 --- a/arch/powerpc/platforms/85xx/xes_mpc85xx.c +++ b/arch/powerpc/platforms/85xx/xes_mpc85xx.c @@ -123,7 +123,7 @@ static void xes_mpc85xx_fixups(void) continue; } - l2_base = ioremap(r[0].start, r[0].end - r[0].start + 1); + l2_base = ioremap(r[0].start, resource_size(&r[0])); xes_mpc85xx_configure_l2(l2_base); } diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig index a0b5638..8d6599d 100644 --- a/arch/powerpc/platforms/86xx/Kconfig +++ b/arch/powerpc/platforms/86xx/Kconfig @@ -4,6 +4,7 @@ menuconfig PPC_86xx depends on 6xx select FSL_SOC select ALTIVEC + select ARCH_WANT_OPTIONAL_GPIOLIB help The Freescale E600 SoCs have 74xx cores. diff --git a/arch/powerpc/platforms/86xx/gef_gpio.c b/arch/powerpc/platforms/86xx/gef_gpio.c index 4ff7b1e..2a70336 100644 --- a/arch/powerpc/platforms/86xx/gef_gpio.c +++ b/arch/powerpc/platforms/86xx/gef_gpio.c @@ -27,6 +27,7 @@ #include <linux/of_gpio.h> #include <linux/gpio.h> #include <linux/slab.h> +#include <linux/module.h> #define GEF_GPIO_DIRECT 0x00 #define GEF_GPIO_IN 0x04 diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index a896511..13fa9a6 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -39,12 +39,19 @@ #include <sysdev/fsl_pci.h> #include <sysdev/fsl_soc.h> #include <sysdev/simple_gpio.h> +#include <asm/fsl_guts.h> #include "mpc86xx.h" static struct device_node *pixis_node; static unsigned char *pixis_bdcfg0, *pixis_arch; +/* DIU Pixel Clock bits of the CLKDVDR Global Utilities register */ +#define CLKDVDR_PXCKEN 0x80000000 +#define CLKDVDR_PXCKINV 0x10000000 +#define CLKDVDR_PXCKDLY 0x06000000 +#define CLKDVDR_PXCLK_MASK 0x001F0000 + #ifdef CONFIG_SUSPEND static irqreturn_t mpc8610_sw9_irq(int irq, void *data) { @@ -145,10 +152,10 @@ machine_device_initcall(mpc86xx_hpcd, mpc8610_declare_of_platform_devices); (c2 << AD_COMP_2_SHIFT) | (c1 << AD_COMP_1_SHIFT) | \ (c0 << AD_COMP_0_SHIFT) | (size << AD_PIXEL_S_SHIFT)) -unsigned int mpc8610hpcd_get_pixel_format(unsigned int bits_per_pixel, - int monitor_port) +u32 mpc8610hpcd_get_pixel_format(enum fsl_diu_monitor_port port, + unsigned int bits_per_pixel) { - static const unsigned long pixelformat[][3] = { + static const u32 pixelformat[][3] = { { MAKE_AD(3, 0, 2, 1, 3, 8, 8, 8, 8), MAKE_AD(4, 2, 0, 1, 2, 8, 8, 8, 0), @@ -163,7 +170,8 @@ unsigned int mpc8610hpcd_get_pixel_format(unsigned int bits_per_pixel, unsigned int arch_monitor; /* The DVI port is mis-wired on revision 1 of this board. */ - arch_monitor = ((*pixis_arch == 0x01) && (monitor_port == 0))? 0 : 1; + arch_monitor = + ((*pixis_arch == 0x01) && (port == FSL_DIU_PORT_DVI)) ? 0 : 1; switch (bits_per_pixel) { case 32: @@ -178,10 +186,11 @@ unsigned int mpc8610hpcd_get_pixel_format(unsigned int bits_per_pixel, } } -void mpc8610hpcd_set_gamma_table(int monitor_port, char *gamma_table_base) +void mpc8610hpcd_set_gamma_table(enum fsl_diu_monitor_port port, + char *gamma_table_base) { int i; - if (monitor_port == 2) { /* dual link LVDS */ + if (port == FSL_DIU_PORT_DLVDS) { for (i = 0; i < 256*3; i++) gamma_table_base[i] = (gamma_table_base[i] << 2) | ((gamma_table_base[i] >> 6) & 0x03); @@ -192,101 +201,77 @@ void mpc8610hpcd_set_gamma_table(int monitor_port, char *gamma_table_base) #define PX_BRDCFG0_DLINK (1 << 4) #define PX_BRDCFG0_DIU_MASK (PX_BRDCFG0_DVISEL | PX_BRDCFG0_DLINK) -void mpc8610hpcd_set_monitor_port(int monitor_port) +void mpc8610hpcd_set_monitor_port(enum fsl_diu_monitor_port port) { - static const u8 bdcfg[] = { - PX_BRDCFG0_DVISEL | PX_BRDCFG0_DLINK, - PX_BRDCFG0_DLINK, - 0, - }; - - if (monitor_port < 3) + switch (port) { + case FSL_DIU_PORT_DVI: + clrsetbits_8(pixis_bdcfg0, PX_BRDCFG0_DIU_MASK, + PX_BRDCFG0_DVISEL | PX_BRDCFG0_DLINK); + break; + case FSL_DIU_PORT_LVDS: clrsetbits_8(pixis_bdcfg0, PX_BRDCFG0_DIU_MASK, - bdcfg[monitor_port]); + PX_BRDCFG0_DLINK); + break; + case FSL_DIU_PORT_DLVDS: + clrbits8(pixis_bdcfg0, PX_BRDCFG0_DIU_MASK); + break; + } } +/** + * mpc8610hpcd_set_pixel_clock: program the DIU's clock + * + * @pixclock: the wavelength, in picoseconds, of the clock + */ void mpc8610hpcd_set_pixel_clock(unsigned int pixclock) { - u32 __iomem *clkdvdr; - u32 temp; - /* variables for pixel clock calcs */ - ulong bestval, bestfreq, speed_ccb, minpixclock, maxpixclock; - ulong pixval; - long err; - int i; - - clkdvdr = ioremap(get_immrbase() + 0xe0800, sizeof(u32)); - if (!clkdvdr) { - printk(KERN_ERR "Err: can't map clock divider register!\n"); + struct device_node *guts_np = NULL; + struct ccsr_guts_86xx __iomem *guts; + unsigned long freq; + u64 temp; + u32 pxclk; + + /* Map the global utilities registers. */ + guts_np = of_find_compatible_node(NULL, NULL, "fsl,mpc8610-guts"); + if (!guts_np) { + pr_err("mpc8610hpcd: missing global utilties device node\n"); return; } - /* Pixel Clock configuration */ - speed_ccb = fsl_get_sys_freq(); - - /* Calculate the pixel clock with the smallest error */ - /* calculate the following in steps to avoid overflow */ - pr_debug("DIU pixclock in ps - %d\n", pixclock); - temp = 1000000000/pixclock; - temp *= 1000; - pixclock = temp; - pr_debug("DIU pixclock freq - %u\n", pixclock); - - temp = pixclock * 5 / 100; - pr_debug("deviation = %d\n", temp); - minpixclock = pixclock - temp; - maxpixclock = pixclock + temp; - pr_debug("DIU minpixclock - %lu\n", minpixclock); - pr_debug("DIU maxpixclock - %lu\n", maxpixclock); - pixval = speed_ccb/pixclock; - pr_debug("DIU pixval = %lu\n", pixval); - - err = 100000000; - bestval = pixval; - pr_debug("DIU bestval = %lu\n", bestval); - - bestfreq = 0; - for (i = -1; i <= 1; i++) { - temp = speed_ccb / ((pixval+i) + 1); - pr_debug("DIU test pixval i= %d, pixval=%lu, temp freq. = %u\n", - i, pixval, temp); - if ((temp < minpixclock) || (temp > maxpixclock)) - pr_debug("DIU exceeds monitor range (%lu to %lu)\n", - minpixclock, maxpixclock); - else if (abs(temp - pixclock) < err) { - pr_debug("Entered the else if block %d\n", i); - err = abs(temp - pixclock); - bestval = pixval+i; - bestfreq = temp; - } + guts = of_iomap(guts_np, 0); + of_node_put(guts_np); + if (!guts) { + pr_err("mpc8610hpcd: could not map global utilties device\n"); + return; } - pr_debug("DIU chose = %lx\n", bestval); - pr_debug("DIU error = %ld\n NomPixClk ", err); - pr_debug("DIU: Best Freq = %lx\n", bestfreq); - /* Modify PXCLK in GUTS CLKDVDR */ - pr_debug("DIU: Current value of CLKDVDR = 0x%08x\n", (*clkdvdr)); - temp = (*clkdvdr) & 0x2000FFFF; - *clkdvdr = temp; /* turn off clock */ - *clkdvdr = temp | 0x80000000 | (((bestval) & 0x1F) << 16); - pr_debug("DIU: Modified value of CLKDVDR = 0x%08x\n", (*clkdvdr)); - iounmap(clkdvdr); -} + /* Convert pixclock from a wavelength to a frequency */ + temp = 1000000000000ULL; + do_div(temp, pixclock); + freq = temp; -ssize_t mpc8610hpcd_show_monitor_port(int monitor_port, char *buf) -{ - return snprintf(buf, PAGE_SIZE, - "%c0 - DVI\n" - "%c1 - Single link LVDS\n" - "%c2 - Dual link LVDS\n", - monitor_port == 0 ? '*' : ' ', - monitor_port == 1 ? '*' : ' ', - monitor_port == 2 ? '*' : ' '); + /* + * 'pxclk' is the ratio of the platform clock to the pixel clock. + * On the MPC8610, the value programmed into CLKDVDR is the ratio + * minus one. The valid range of values is 2-31. + */ + pxclk = DIV_ROUND_CLOSEST(fsl_get_sys_freq(), freq) - 1; + pxclk = clamp_t(u32, pxclk, 2, 31); + + /* Disable the pixel clock, and set it to non-inverted and no delay */ + clrbits32(&guts->clkdvdr, + CLKDVDR_PXCKEN | CLKDVDR_PXCKDLY | CLKDVDR_PXCLK_MASK); + + /* Enable the clock and set the pxclk */ + setbits32(&guts->clkdvdr, CLKDVDR_PXCKEN | (pxclk << 16)); + + iounmap(guts); } -int mpc8610hpcd_set_sysfs_monitor_port(int val) +enum fsl_diu_monitor_port +mpc8610hpcd_valid_monitor_port(enum fsl_diu_monitor_port port) { - return val < 3 ? val : 0; + return port; } #endif @@ -318,8 +303,7 @@ static void __init mpc86xx_hpcd_setup_arch(void) diu_ops.set_gamma_table = mpc8610hpcd_set_gamma_table; diu_ops.set_monitor_port = mpc8610hpcd_set_monitor_port; diu_ops.set_pixel_clock = mpc8610hpcd_set_pixel_clock; - diu_ops.show_monitor_port = mpc8610hpcd_show_monitor_port; - diu_ops.set_sysfs_monitor_port = mpc8610hpcd_set_sysfs_monitor_port; + diu_ops.valid_monitor_port = mpc8610hpcd_valid_monitor_port; #endif pixis_node = of_find_compatible_node(NULL, NULL, "fsl,fpga-pixis"); diff --git a/arch/powerpc/platforms/8xx/tqm8xx_setup.c b/arch/powerpc/platforms/8xx/tqm8xx_setup.c index b71c650..528e00d 100644 --- a/arch/powerpc/platforms/8xx/tqm8xx_setup.c +++ b/arch/powerpc/platforms/8xx/tqm8xx_setup.c @@ -18,7 +18,6 @@ */ #include <linux/init.h> -#include <linux/module.h> #include <linux/param.h> #include <linux/string.h> #include <linux/ioport.h> diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index f970ca2..3fe6d92 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -1,5 +1,6 @@ menu "Platform support" +source "arch/powerpc/platforms/powernv/Kconfig" source "arch/powerpc/platforms/pseries/Kconfig" source "arch/powerpc/platforms/iseries/Kconfig" source "arch/powerpc/platforms/chrp/Kconfig" @@ -24,7 +25,7 @@ source "arch/powerpc/platforms/wsp/Kconfig" config KVM_GUEST bool "KVM Guest support" - default y + default n ---help--- This option enables various optimizations for running under the KVM hypervisor. Overhead for the kernel when not running inside KVM should @@ -78,6 +79,10 @@ config MPIC bool default n +config PPC_EPAPR_HV_PIC + bool + default n + config MPIC_WEIRD bool default n @@ -266,7 +271,7 @@ config TAU_AVERAGE config QUICC_ENGINE bool "Freescale QUICC Engine (QE) Support" - depends on FSL_SOC + depends on FSL_SOC && PPC32 select PPC_LIB_RHEAP select CRC32 help @@ -329,16 +334,6 @@ config OF_RTC source "arch/powerpc/sysdev/bestcomm/Kconfig" -config MPC8xxx_GPIO - bool "MPC512x/MPC8xxx GPIO support" - depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \ - FSL_SOC_BOOKE || PPC_86xx - select GENERIC_GPIO - select ARCH_REQUIRE_GPIOLIB - help - Say Y here if you're going to use hardware that connects to the - MPC512x/831x/834x/837x/8572/8610 GPIOs. - config SIMPLE_GPIO bool "Support for simple, memory-mapped GPIO controllers" depends on PPC @@ -351,8 +346,8 @@ config SIMPLE_GPIO on-board peripherals. config MCU_MPC8349EMITX - tristate "MPC8349E-mITX MCU driver" - depends on I2C && PPC_83xx + bool "MPC8349E-mITX MCU driver" + depends on I2C=y && PPC_83xx select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB help diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 2165b65..fbecae0 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -1,7 +1,6 @@ config PPC64 bool "64-bit kernel" default n - select PPC_HAVE_PMU_SUPPORT help This option selects whether a 32-bit or a 64-bit kernel will be built. @@ -69,6 +68,8 @@ choice config PPC_BOOK3S_64 bool "Server processors" select PPC_FPU + select PPC_HAVE_PMU_SUPPORT + select SYS_SUPPORTS_HUGETLBFS config PPC_BOOK3E_64 bool "Embedded processors" @@ -173,6 +174,7 @@ config BOOKE config FSL_BOOKE bool depends on (E200 || E500) && PPC32 + select SYS_SUPPORTS_HUGETLBFS if PHYS_64BIT default y # this is for common code between PPC32 & PPC64 FSL BOOKE @@ -282,21 +284,13 @@ config PPC_MMU_NOHASH def_bool y depends on !PPC_STD_MMU -config PPC_MMU_NOHASH_32 - def_bool y - depends on PPC_MMU_NOHASH && PPC32 - -config PPC_MMU_NOHASH_64 - def_bool y - depends on PPC_MMU_NOHASH && PPC64 - config PPC_BOOK3E_MMU def_bool y depends on FSL_BOOKE || PPC_BOOK3E config PPC_MM_SLICES bool - default y if HUGETLB_PAGE || (PPC_STD_MMU_64 && PPC_64K_PAGES) + default y if (PPC64 && HUGETLB_PAGE) || (PPC_STD_MMU_64 && PPC_64K_PAGES) default n config VIRT_CPU_ACCOUNTING diff --git a/arch/powerpc/platforms/Makefile b/arch/powerpc/platforms/Makefile index 73e2116..2635a22 100644 --- a/arch/powerpc/platforms/Makefile +++ b/arch/powerpc/platforms/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_PPC_82xx) += 82xx/ obj-$(CONFIG_PPC_83xx) += 83xx/ obj-$(CONFIG_FSL_SOC_BOOKE) += 85xx/ obj-$(CONFIG_PPC_86xx) += 86xx/ +obj-$(CONFIG_PPC_POWERNV) += powernv/ obj-$(CONFIG_PPC_PSERIES) += pseries/ obj-$(CONFIG_PPC_ISERIES) += iseries/ obj-$(CONFIG_PPC_MAPLE) += maple/ diff --git a/arch/powerpc/platforms/amigaone/Kconfig b/arch/powerpc/platforms/amigaone/Kconfig index 0224767..128de25 100644 --- a/arch/powerpc/platforms/amigaone/Kconfig +++ b/arch/powerpc/platforms/amigaone/Kconfig @@ -8,7 +8,7 @@ config AMIGAONE select NOT_COHERENT_CACHE select CHECK_CACHE_COHERENCY select DEFAULT_UIMAGE - select PCSPKR_PLATFORM + select HAVE_PCSPKR_PLATFORM help Select AmigaOne for the following machines: - AmigaOne SE/Teron CX (G3 only) diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig index 67d5009..2e7ff0c 100644 --- a/arch/powerpc/platforms/cell/Kconfig +++ b/arch/powerpc/platforms/cell/Kconfig @@ -17,10 +17,10 @@ config PPC_CELL_NATIVE select PPC_CELL_COMMON select MPIC select PPC_IO_WORKAROUNDS - select IBM_NEW_EMAC_EMAC4 - select IBM_NEW_EMAC_RGMII - select IBM_NEW_EMAC_ZMII #test only - select IBM_NEW_EMAC_TAH #test only + select IBM_EMAC_EMAC4 + select IBM_EMAC_RGMII + select IBM_EMAC_ZMII #test only + select IBM_EMAC_TAH #test only default n config PPC_IBM_CELL_BLADE diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index ac06903..40a6e34 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -13,6 +13,7 @@ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/msi.h> +#include <linux/export.h> #include <linux/of_platform.h> #include <linux/debugfs.h> #include <linux/slab.h> diff --git a/arch/powerpc/platforms/cell/beat.c b/arch/powerpc/platforms/cell/beat.c index 48c690e..852592b 100644 --- a/arch/powerpc/platforms/cell/beat.c +++ b/arch/powerpc/platforms/cell/beat.c @@ -18,7 +18,7 @@ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/init.h> #include <linux/err.h> #include <linux/rtc.h> @@ -230,7 +230,7 @@ static int __init beat_register_event(void) } ev->virq = virq; - rc = request_irq(virq, ev->handler, IRQF_DISABLED, + rc = request_irq(virq, ev->handler, 0, ev->typecode, NULL); if (rc != 0) { printk(KERN_ERR "Beat: failed to request virtual IRQ" diff --git a/arch/powerpc/platforms/cell/beat_spu_priv1.c b/arch/powerpc/platforms/cell/beat_spu_priv1.c index bcc17f7..13f5258 100644 --- a/arch/powerpc/platforms/cell/beat_spu_priv1.c +++ b/arch/powerpc/platforms/cell/beat_spu_priv1.c @@ -18,8 +18,6 @@ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#include <linux/module.h> - #include <asm/types.h> #include <asm/spu.h> #include <asm/spu_priv1.h> diff --git a/arch/powerpc/platforms/cell/beat_wrapper.h b/arch/powerpc/platforms/cell/beat_wrapper.h index b47dfda..c110996 100644 --- a/arch/powerpc/platforms/cell/beat_wrapper.h +++ b/arch/powerpc/platforms/cell/beat_wrapper.h @@ -20,6 +20,7 @@ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef BEAT_HCALL +#include <linux/string.h> #include "beat_syscall.h" /* defined in hvCall.S */ diff --git a/arch/powerpc/platforms/cell/cbe_cpufreq.c b/arch/powerpc/platforms/cell/cbe_cpufreq.c index bfa2c0c..d4c39e3 100644 --- a/arch/powerpc/platforms/cell/cbe_cpufreq.c +++ b/arch/powerpc/platforms/cell/cbe_cpufreq.c @@ -21,6 +21,7 @@ */ #include <linux/cpufreq.h> +#include <linux/module.h> #include <linux/of_platform.h> #include <asm/machdep.h> diff --git a/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c b/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c index 3233fe8..60a07a4 100644 --- a/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c +++ b/arch/powerpc/platforms/cell/cbe_cpufreq_pmi.c @@ -23,6 +23,7 @@ #include <linux/kernel.h> #include <linux/types.h> #include <linux/timer.h> +#include <linux/module.h> #include <linux/of_platform.h> #include <asm/processor.h> diff --git a/arch/powerpc/platforms/cell/cbe_powerbutton.c b/arch/powerpc/platforms/cell/cbe_powerbutton.c index f75a4da..2bb8031 100644 --- a/arch/powerpc/platforms/cell/cbe_powerbutton.c +++ b/arch/powerpc/platforms/cell/cbe_powerbutton.c @@ -21,6 +21,7 @@ */ #include <linux/input.h> +#include <linux/module.h> #include <linux/platform_device.h> #include <asm/pmi.h> #include <asm/prom.h> diff --git a/arch/powerpc/platforms/cell/cbe_regs.c b/arch/powerpc/platforms/cell/cbe_regs.c index f3917e7..1428d58 100644 --- a/arch/powerpc/platforms/cell/cbe_regs.c +++ b/arch/powerpc/platforms/cell/cbe_regs.c @@ -8,7 +8,7 @@ #include <linux/percpu.h> #include <linux/types.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/of_device.h> #include <linux/of_platform.h> diff --git a/arch/powerpc/platforms/cell/celleb_scc_epci.c b/arch/powerpc/platforms/cell/celleb_scc_epci.c index 05b0db3..844c0fa 100644 --- a/arch/powerpc/platforms/cell/celleb_scc_epci.c +++ b/arch/powerpc/platforms/cell/celleb_scc_epci.c @@ -393,19 +393,19 @@ static int __init celleb_setup_epci(struct device_node *node, if (of_address_to_resource(node, 0, &r)) goto error; - hose->cfg_addr = ioremap(r.start, (r.end - r.start + 1)); + hose->cfg_addr = ioremap(r.start, resource_size(&r)); if (!hose->cfg_addr) goto error; pr_debug("EPCI: cfg_addr map 0x%016llx->0x%016lx + 0x%016llx\n", - r.start, (unsigned long)hose->cfg_addr, (r.end - r.start + 1)); + r.start, (unsigned long)hose->cfg_addr, resource_size(&r)); if (of_address_to_resource(node, 2, &r)) goto error; - hose->cfg_data = ioremap(r.start, (r.end - r.start + 1)); + hose->cfg_data = ioremap(r.start, resource_size(&r)); if (!hose->cfg_data) goto error; pr_debug("EPCI: cfg_data map 0x%016llx->0x%016lx + 0x%016llx\n", - r.start, (unsigned long)hose->cfg_data, (r.end - r.start + 1)); + r.start, (unsigned long)hose->cfg_data, resource_size(&r)); hose->ops = &celleb_epci_ops; celleb_epci_init(hose); diff --git a/arch/powerpc/platforms/cell/celleb_scc_pciex.c b/arch/powerpc/platforms/cell/celleb_scc_pciex.c index a881bbe..14be2bd 100644 --- a/arch/powerpc/platforms/cell/celleb_scc_pciex.c +++ b/arch/powerpc/platforms/cell/celleb_scc_pciex.c @@ -494,7 +494,7 @@ static __init int celleb_setup_pciex(struct device_node *node, pr_err("PCIEXC:Failed to get config resource.\n"); return 1; } - phb->cfg_addr = ioremap(r.start, r.end - r.start + 1); + phb->cfg_addr = ioremap(r.start, resource_size(&r)); if (!phb->cfg_addr) { pr_err("PCIEXC:Failed to remap SMMIO region.\n"); return 1; @@ -514,7 +514,7 @@ static __init int celleb_setup_pciex(struct device_node *node, virq = irq_create_of_mapping(oirq.controller, oirq.specifier, oirq.size); if (request_irq(virq, pciex_handle_internal_irq, - IRQF_DISABLED, "pciex", (void *)phb)) { + 0, "pciex", (void *)phb)) { pr_err("PCIEXC:Failed to request irq\n"); goto error; } diff --git a/arch/powerpc/platforms/cell/celleb_setup.c b/arch/powerpc/platforms/cell/celleb_setup.c index d58d9ba..1d5a4d8 100644 --- a/arch/powerpc/platforms/cell/celleb_setup.c +++ b/arch/powerpc/platforms/cell/celleb_setup.c @@ -30,6 +30,7 @@ #include <linux/cpu.h> #include <linux/sched.h> #include <linux/kernel.h> +#include <linux/export.h> #include <linux/mm.h> #include <linux/stddef.h> #include <linux/unistd.h> diff --git a/arch/powerpc/platforms/cell/cpufreq_spudemand.c b/arch/powerpc/platforms/cell/cpufreq_spudemand.c index d809836..23bc9db 100644 --- a/arch/powerpc/platforms/cell/cpufreq_spudemand.c +++ b/arch/powerpc/platforms/cell/cpufreq_spudemand.c @@ -22,9 +22,10 @@ #include <linux/cpufreq.h> #include <linux/sched.h> +#include <linux/module.h> #include <linux/timer.h> #include <linux/workqueue.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/machdep.h> #include <asm/spu.h> diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c index 3e4eba6..96a433d 100644 --- a/arch/powerpc/platforms/cell/interrupt.c +++ b/arch/powerpc/platforms/cell/interrupt.c @@ -31,7 +31,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/percpu.h> #include <linux/types.h> #include <linux/ioport.h> diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index 26a0671..592c3d5 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -412,8 +412,7 @@ static void cell_iommu_enable_hardware(struct cbe_iommu *iommu) IIC_IRQ_IOEX_ATI | (iommu->nid << IIC_IRQ_NODE_SHIFT)); BUG_ON(virq == NO_IRQ); - ret = request_irq(virq, ioc_interrupt, IRQF_DISABLED, - iommu->name, iommu); + ret = request_irq(virq, ioc_interrupt, 0, iommu->name, iommu); BUG_ON(ret); /* set the IOC segment table origin register (and turn on the iommu) */ @@ -1159,6 +1158,26 @@ static int __init setup_iommu_fixed(char *str) } __setup("iommu_fixed=", setup_iommu_fixed); +static u64 cell_dma_get_required_mask(struct device *dev) +{ + struct dma_map_ops *dma_ops; + + if (!dev->dma_mask) + return 0; + + if (!iommu_fixed_disabled && + cell_iommu_get_fixed_address(dev) != OF_BAD_ADDR) + return DMA_BIT_MASK(64); + + dma_ops = get_dma_ops(dev); + if (dma_ops->get_required_mask) + return dma_ops->get_required_mask(dev); + + WARN_ONCE(1, "no get_required_mask in %p ops", dma_ops); + + return DMA_BIT_MASK(64); +} + static int __init cell_iommu_init(void) { struct device_node *np; @@ -1175,6 +1194,7 @@ static int __init cell_iommu_init(void) /* Setup various ppc_md. callbacks */ ppc_md.pci_dma_dev_setup = cell_pci_dma_dev_setup; + ppc_md.dma_get_required_mask = cell_dma_get_required_mask; ppc_md.tce_build = tce_build_cell; ppc_md.tce_free = tce_free_cell; diff --git a/arch/powerpc/platforms/cell/pmu.c b/arch/powerpc/platforms/cell/pmu.c index 69ed0d7f..59c1a16 100644 --- a/arch/powerpc/platforms/cell/pmu.c +++ b/arch/powerpc/platforms/cell/pmu.c @@ -24,6 +24,7 @@ #include <linux/interrupt.h> #include <linux/types.h> +#include <linux/export.h> #include <asm/io.h> #include <asm/irq_regs.h> #include <asm/machdep.h> @@ -391,7 +392,7 @@ static int __init cbe_init_pm_irq(void) } rc = request_irq(irq, cbe_pm_irq, - IRQF_DISABLED, "cbe-pmu-0", NULL); + 0, "cbe-pmu-0", NULL); if (rc) { printk("ERROR: Request for irq on node %d failed\n", node); diff --git a/arch/powerpc/platforms/cell/qpace_setup.c b/arch/powerpc/platforms/cell/qpace_setup.c index 51e2901..7f9b674 100644 --- a/arch/powerpc/platforms/cell/qpace_setup.c +++ b/arch/powerpc/platforms/cell/qpace_setup.c @@ -17,6 +17,7 @@ #include <linux/sched.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/export.h> #include <linux/delay.h> #include <linux/irq.h> #include <linux/console.h> diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c index c73cf4c..0fc9b72 100644 --- a/arch/powerpc/platforms/cell/setup.c +++ b/arch/powerpc/platforms/cell/setup.c @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/stddef.h> +#include <linux/export.h> #include <linux/unistd.h> #include <linux/user.h> #include <linux/reboot.h> diff --git a/arch/powerpc/platforms/cell/smp.c b/arch/powerpc/platforms/cell/smp.c index dbb641e..f5c5c76 100644 --- a/arch/powerpc/platforms/cell/smp.c +++ b/arch/powerpc/platforms/cell/smp.c @@ -15,7 +15,6 @@ #undef DEBUG #include <linux/kernel.h> -#include <linux/module.h> #include <linux/sched.h> #include <linux/smp.h> #include <linux/interrupt.h> @@ -28,7 +27,7 @@ #include <linux/cpu.h> #include <asm/ptrace.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/irq.h> #include <asm/page.h> #include <asm/pgtable.h> diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index 3675da7..e94d3ec 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -442,8 +442,7 @@ static int spu_request_irqs(struct spu *spu) snprintf(spu->irq_c0, sizeof (spu->irq_c0), "spe%02d.0", spu->number); ret = request_irq(spu->irqs[0], spu_irq_class_0, - IRQF_DISABLED, - spu->irq_c0, spu); + 0, spu->irq_c0, spu); if (ret) goto bail0; } @@ -451,8 +450,7 @@ static int spu_request_irqs(struct spu *spu) snprintf(spu->irq_c1, sizeof (spu->irq_c1), "spe%02d.1", spu->number); ret = request_irq(spu->irqs[1], spu_irq_class_1, - IRQF_DISABLED, - spu->irq_c1, spu); + 0, spu->irq_c1, spu); if (ret) goto bail1; } @@ -460,8 +458,7 @@ static int spu_request_irqs(struct spu *spu) snprintf(spu->irq_c2, sizeof (spu->irq_c2), "spe%02d.2", spu->number); ret = request_irq(spu->irqs[2], spu_irq_class_2, - IRQF_DISABLED, - spu->irq_c2, spu); + 0, spu->irq_c2, spu); if (ret) goto bail2; } diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c index fec1495..75d6133 100644 --- a/arch/powerpc/platforms/cell/spu_callbacks.c +++ b/arch/powerpc/platforms/cell/spu_callbacks.c @@ -5,7 +5,7 @@ #undef DEBUG #include <linux/kallsyms.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/syscalls.h> #include <asm/spu.h> diff --git a/arch/powerpc/platforms/cell/spu_fault.c b/arch/powerpc/platforms/cell/spu_fault.c index d06ba87..62f3e4e 100644 --- a/arch/powerpc/platforms/cell/spu_fault.c +++ b/arch/powerpc/platforms/cell/spu_fault.c @@ -22,7 +22,7 @@ */ #include <linux/sched.h> #include <linux/mm.h> -#include <linux/module.h> +#include <linux/export.h> #include <asm/spu.h> #include <asm/spu_csa.h> @@ -75,7 +75,7 @@ int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea, if (*flt & VM_FAULT_OOM) { ret = -ENOMEM; goto out_unlock; - } else if (*flt & VM_FAULT_SIGBUS) { + } else if (*flt & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV)) { ret = -EFAULT; goto out_unlock; } diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c index f465d47..2bb6977 100644 --- a/arch/powerpc/platforms/cell/spu_manage.c +++ b/arch/powerpc/platforms/cell/spu_manage.c @@ -21,7 +21,7 @@ #include <linux/interrupt.h> #include <linux/list.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/ptrace.h> #include <linux/wait.h> #include <linux/mm.h> @@ -222,7 +222,7 @@ static int spu_map_resource(struct spu *spu, int nr, return ret; if (phys) *phys = resource.start; - len = resource.end - resource.start + 1; + len = resource_size(&resource); *virt = ioremap(resource.start, len); if (!*virt) return -EINVAL; diff --git a/arch/powerpc/platforms/cell/spu_notify.c b/arch/powerpc/platforms/cell/spu_notify.c index 34d1569..afdf857 100644 --- a/arch/powerpc/platforms/cell/spu_notify.c +++ b/arch/powerpc/platforms/cell/spu_notify.c @@ -21,7 +21,8 @@ #undef DEBUG -#include <linux/module.h> +#include <linux/export.h> +#include <linux/notifier.h> #include <asm/spu.h> #include "spufs/spufs.h" diff --git a/arch/powerpc/platforms/cell/spu_priv1_mmio.c b/arch/powerpc/platforms/cell/spu_priv1_mmio.c index 121aec3..66d3372 100644 --- a/arch/powerpc/platforms/cell/spu_priv1_mmio.c +++ b/arch/powerpc/platforms/cell/spu_priv1_mmio.c @@ -20,7 +20,6 @@ #include <linux/interrupt.h> #include <linux/list.h> -#include <linux/module.h> #include <linux/ptrace.h> #include <linux/wait.h> #include <linux/mm.h> diff --git a/arch/powerpc/platforms/cell/spufs/backing_ops.c b/arch/powerpc/platforms/cell/spufs/backing_ops.c index 64eb15b..6e8a9ef 100644 --- a/arch/powerpc/platforms/cell/spufs/backing_ops.c +++ b/arch/powerpc/platforms/cell/spufs/backing_ops.c @@ -21,7 +21,6 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/module.h> #include <linux/errno.h> #include <linux/sched.h> #include <linux/kernel.h> diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c index 0c87bcd..9c6790d 100644 --- a/arch/powerpc/platforms/cell/spufs/context.c +++ b/arch/powerpc/platforms/cell/spufs/context.c @@ -22,9 +22,9 @@ #include <linux/fs.h> #include <linux/mm.h> -#include <linux/module.h> #include <linux/slab.h> -#include <asm/atomic.h> +#include <linux/atomic.h> +#include <linux/sched.h> #include <asm/spu.h> #include <asm/spu_csa.h> #include "spufs.h" diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c index 6cf3ec6..03c5fce 100644 --- a/arch/powerpc/platforms/cell/spufs/coredump.c +++ b/arch/powerpc/platforms/cell/spufs/coredump.c @@ -26,7 +26,6 @@ #include <linux/fs.h> #include <linux/gfp.h> #include <linux/list.h> -#include <linux/module.h> #include <linux/syscalls.h> #include <asm/uaccess.h> diff --git a/arch/powerpc/platforms/cell/spufs/fault.c b/arch/powerpc/platforms/cell/spufs/fault.c index a4dd3ae..8cb6260 100644 --- a/arch/powerpc/platforms/cell/spufs/fault.c +++ b/arch/powerpc/platforms/cell/spufs/fault.c @@ -21,7 +21,6 @@ */ #include <linux/sched.h> #include <linux/mm.h> -#include <linux/module.h> #include <asm/spu.h> #include <asm/spu_csa.h> diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 3c7c3f8..0cfece4 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -24,7 +24,7 @@ #include <linux/fs.h> #include <linux/ioctl.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/pagemap.h> #include <linux/poll.h> #include <linux/ptrace.h> @@ -1850,9 +1850,16 @@ out: return ret; } -static int spufs_mfc_fsync(struct file *file, int datasync) +static int spufs_mfc_fsync(struct file *file, loff_t start, loff_t end, int datasync) { - return spufs_mfc_flush(file, NULL); + struct inode *inode = file->f_path.dentry->d_inode; + int err = filemap_write_and_wait_range(inode->i_mapping, start, end); + if (!err) { + mutex_lock(&inode->i_mutex); + err = spufs_mfc_flush(file, NULL); + mutex_unlock(&inode->i_mutex); + } + return err; } static int spufs_mfc_fasync(int fd, struct file *file, int on) diff --git a/arch/powerpc/platforms/cell/spufs/hw_ops.c b/arch/powerpc/platforms/cell/spufs/hw_ops.c index 64f8540..8655c4c 100644 --- a/arch/powerpc/platforms/cell/spufs/hw_ops.c +++ b/arch/powerpc/platforms/cell/spufs/hw_ops.c @@ -18,7 +18,6 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/module.h> #include <linux/errno.h> #include <linux/sched.h> #include <linux/kernel.h> diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index 6786f9d..941d5cb 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -165,7 +165,7 @@ static void spufs_prune_dir(struct dentry *dir) struct dentry *dentry, *tmp; mutex_lock(&dir->d_inode->i_mutex); - list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_u.d_child) { + list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_child) { spin_lock(&dentry->d_lock); if (!(d_unhashed(dentry)) && dentry->d_inode) { dget_dlock(dentry); @@ -223,7 +223,7 @@ out: * - free child's inode if possible * - free child */ - list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_u.d_child) { + list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_child) { dput(dentry); } @@ -612,15 +612,14 @@ out: static struct file_system_type spufs_type; -long spufs_create(struct nameidata *nd, unsigned int flags, mode_t mode, - struct file *filp) +long spufs_create(struct path *path, struct dentry *dentry, + unsigned int flags, mode_t mode, struct file *filp) { - struct dentry *dentry; int ret; ret = -EINVAL; /* check if we are on spufs */ - if (nd->path.dentry->d_sb->s_type != &spufs_type) + if (path->dentry->d_sb->s_type != &spufs_type) goto out; /* don't accept undefined flags */ @@ -628,33 +627,27 @@ long spufs_create(struct nameidata *nd, unsigned int flags, mode_t mode, goto out; /* only threads can be underneath a gang */ - if (nd->path.dentry != nd->path.dentry->d_sb->s_root) { + if (path->dentry != path->dentry->d_sb->s_root) { if ((flags & SPU_CREATE_GANG) || - !SPUFS_I(nd->path.dentry->d_inode)->i_gang) + !SPUFS_I(path->dentry->d_inode)->i_gang) goto out; } - dentry = lookup_create(nd, 1); - ret = PTR_ERR(dentry); - if (IS_ERR(dentry)) - goto out_dir; - mode &= ~current_umask(); if (flags & SPU_CREATE_GANG) - ret = spufs_create_gang(nd->path.dentry->d_inode, - dentry, nd->path.mnt, mode); + ret = spufs_create_gang(path->dentry->d_inode, + dentry, path->mnt, mode); else - ret = spufs_create_context(nd->path.dentry->d_inode, - dentry, nd->path.mnt, flags, mode, + ret = spufs_create_context(path->dentry->d_inode, + dentry, path->mnt, flags, mode, filp); if (ret >= 0) - fsnotify_mkdir(nd->path.dentry->d_inode, dentry); + fsnotify_mkdir(path->dentry->d_inode, dentry); return ret; -out_dir: - mutex_unlock(&nd->path.dentry->d_inode->i_mutex); out: + mutex_unlock(&path->dentry->d_inode->i_mutex); return ret; } diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 32cb4e6..965d381 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -22,7 +22,6 @@ #undef DEBUG -#include <linux/module.h> #include <linux/errno.h> #include <linux/sched.h> #include <linux/kernel.h> diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index c448bac..099245f 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -248,7 +248,7 @@ extern const struct spufs_tree_descr spufs_dir_debug_contents[]; /* system call implementation */ extern struct spufs_calls spufs_calls; long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *status); -long spufs_create(struct nameidata *nd, unsigned int flags, +long spufs_create(struct path *nd, struct dentry *dentry, unsigned int flags, mode_t mode, struct file *filp); /* ELF coredump callbacks for writing SPU ELF notes */ extern int spufs_coredump_extra_notes_size(void); diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c index 3df9a36..dde3555 100644 --- a/arch/powerpc/platforms/cell/spufs/switch.c +++ b/arch/powerpc/platforms/cell/spufs/switch.c @@ -32,7 +32,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/errno.h> #include <linux/hardirq.h> #include <linux/sched.h> diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c index a3d2ce5..71a5b52 100644 --- a/arch/powerpc/platforms/cell/spufs/syscalls.c +++ b/arch/powerpc/platforms/cell/spufs/syscalls.c @@ -1,6 +1,6 @@ #include <linux/file.h> #include <linux/fs.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/mount.h> #include <linux/namei.h> #include <linux/slab.h> @@ -62,21 +62,17 @@ out: static long do_spu_create(const char __user *pathname, unsigned int flags, mode_t mode, struct file *neighbor) { - char *tmp; + struct path path; + struct dentry *dentry; int ret; - tmp = getname(pathname); - ret = PTR_ERR(tmp); - if (!IS_ERR(tmp)) { - struct nameidata nd; - - ret = kern_path_parent(tmp, &nd); - if (!ret) { - nd.flags |= LOOKUP_OPEN | LOOKUP_CREATE; - ret = spufs_create(&nd, flags, mode, neighbor); - path_put(&nd.path); - } - putname(tmp); + dentry = user_path_create(AT_FDCWD, pathname, &path, 1); + ret = PTR_ERR(dentry); + if (!IS_ERR(dentry)) { + ret = spufs_create(&path, dentry, flags, mode, neighbor); + mutex_unlock(&path.dentry->d_inode->i_mutex); + dput(dentry); + path_put(&path); } return ret; diff --git a/arch/powerpc/platforms/chrp/Kconfig b/arch/powerpc/platforms/chrp/Kconfig index bc0b0ef..d3cdab5 100644 --- a/arch/powerpc/platforms/chrp/Kconfig +++ b/arch/powerpc/platforms/chrp/Kconfig @@ -1,6 +1,7 @@ config PPC_CHRP bool "Common Hardware Reference Platform (CHRP) based machines" depends on 6xx + select HAVE_PCSPKR_PLATFORM select MPIC select PPC_I8259 select PPC_INDIRECT_PCI diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c index 8f67a39..83285c5 100644 --- a/arch/powerpc/platforms/chrp/pci.c +++ b/arch/powerpc/platforms/chrp/pci.c @@ -142,7 +142,7 @@ hydra_init(void) return 0; } of_node_put(np); - Hydra = ioremap(r.start, r.end-r.start); + Hydra = ioremap(r.start, resource_size(&r)); printk("Hydra Mac I/O at %llx\n", (unsigned long long)r.start); printk("Hydra Feature_Control was %x", in_le32(&Hydra->Feature_Control)); @@ -199,7 +199,7 @@ static void __init setup_peg2(struct pci_controller *hose, struct device_node *d printk ("RTAS supporting Pegasos OF not found, please upgrade" " your firmware\n"); } - ppc_pci_add_flags(PPC_PCI_REASSIGN_ALL_BUS); + pci_add_flags(PCI_REASSIGN_ALL_BUS); /* keep the reference to the root node */ } diff --git a/arch/powerpc/platforms/chrp/smp.c b/arch/powerpc/platforms/chrp/smp.c index a800122..feab30b 100644 --- a/arch/powerpc/platforms/chrp/smp.c +++ b/arch/powerpc/platforms/chrp/smp.c @@ -18,7 +18,7 @@ #include <linux/spinlock.h> #include <asm/ptrace.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/irq.h> #include <asm/page.h> #include <asm/pgtable.h> diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig index 524d971..5a8f50a 100644 --- a/arch/powerpc/platforms/embedded6xx/Kconfig +++ b/arch/powerpc/platforms/embedded6xx/Kconfig @@ -87,10 +87,6 @@ config MV64X60 config MPC10X_OPENPIC bool -config MPC10X_STORE_GATHERING - bool "Enable MPC10x store gathering" - depends on MPC10X_BRIDGE - config GAMECUBE_COMMON bool diff --git a/arch/powerpc/platforms/embedded6xx/holly.c b/arch/powerpc/platforms/embedded6xx/holly.c index 487bda0..2e9bcf6 100644 --- a/arch/powerpc/platforms/embedded6xx/holly.c +++ b/arch/powerpc/platforms/embedded6xx/holly.c @@ -26,6 +26,7 @@ #include <linux/tty.h> #include <linux/serial_core.h> #include <linux/of_platform.h> +#include <linux/module.h> #include <asm/system.h> #include <asm/time.h> diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c index 1cb907c..f8f33e1 100644 --- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c +++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c @@ -23,6 +23,7 @@ #include <linux/pci.h> #include <linux/kdev_t.h> #include <linux/console.h> +#include <linux/module.h> #include <linux/delay.h> #include <linux/irq.h> #include <linux/seq_file.h> diff --git a/arch/powerpc/platforms/embedded6xx/storcenter.c b/arch/powerpc/platforms/embedded6xx/storcenter.c index 613070e..f1eebca 100644 --- a/arch/powerpc/platforms/embedded6xx/storcenter.c +++ b/arch/powerpc/platforms/embedded6xx/storcenter.c @@ -77,7 +77,7 @@ static void __init storcenter_setup_arch(void) } /* - * Interrupt setup and service. Interrrupts on the turbostation come + * Interrupt setup and service. Interrupts on the turbostation come * from the four PCI slots plus onboard 8241 devices: I2C, DUART. */ static void __init storcenter_init_IRQ(void) diff --git a/arch/powerpc/platforms/iseries/exception.S b/arch/powerpc/platforms/iseries/exception.S index 29c02f3..f519ee1 100644 --- a/arch/powerpc/platforms/iseries/exception.S +++ b/arch/powerpc/platforms/iseries/exception.S @@ -167,7 +167,7 @@ BEGIN_FTR_SECTION std r12,PACA_EXGEN+EX_R13(r13) EXCEPTION_PROLOG_ISERIES_1 FTR_SECTION_ELSE - EXCEPTION_PROLOG_1(PACA_EXGEN) + EXCEPTION_PROLOG_1(PACA_EXGEN, NOTEST, 0) EXCEPTION_PROLOG_ISERIES_1 ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_SLB) b data_access_common diff --git a/arch/powerpc/platforms/iseries/exception.h b/arch/powerpc/platforms/iseries/exception.h index bae3fba..50271b5 100644 --- a/arch/powerpc/platforms/iseries/exception.h +++ b/arch/powerpc/platforms/iseries/exception.h @@ -39,7 +39,7 @@ label##_iSeries: \ HMT_MEDIUM; \ mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \ - EXCEPTION_PROLOG_1(area); \ + EXCEPTION_PROLOG_1(area, NOTEST, 0); \ EXCEPTION_PROLOG_ISERIES_1; \ b label##_common @@ -48,7 +48,7 @@ label##_iSeries: \ label##_iSeries: \ HMT_MEDIUM; \ mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \ - EXCEPTION_PROLOG_1(PACA_EXGEN); \ + EXCEPTION_PROLOG_1(PACA_EXGEN, NOTEST, 0); \ lbz r10,PACASOFTIRQEN(r13); \ cmpwi 0,r10,0; \ beq- label##_iSeries_masked; \ diff --git a/arch/powerpc/platforms/iseries/hvlpconfig.c b/arch/powerpc/platforms/iseries/hvlpconfig.c index f0475f0..f62a0c5 100644 --- a/arch/powerpc/platforms/iseries/hvlpconfig.c +++ b/arch/powerpc/platforms/iseries/hvlpconfig.c @@ -16,7 +16,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/module.h> +#include <linux/export.h> #include <asm/iseries/hv_lp_config.h> #include "it_lp_naca.h" diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c index d8b7633..2f3d911 100644 --- a/arch/powerpc/platforms/iseries/iommu.c +++ b/arch/powerpc/platforms/iseries/iommu.c @@ -28,7 +28,7 @@ #include <linux/dma-mapping.h> #include <linux/list.h> #include <linux/pci.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/slab.h> #include <asm/iommu.h> diff --git a/arch/powerpc/platforms/iseries/ksyms.c b/arch/powerpc/platforms/iseries/ksyms.c index 2430848..997e234 100644 --- a/arch/powerpc/platforms/iseries/ksyms.c +++ b/arch/powerpc/platforms/iseries/ksyms.c @@ -6,7 +6,7 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ -#include <linux/module.h> +#include <linux/export.h> #include <asm/hw_irq.h> #include <asm/iseries/hv_call_sc.h> diff --git a/arch/powerpc/platforms/iseries/lpardata.c b/arch/powerpc/platforms/iseries/lpardata.c index 98bd2d3..00e0ec8 100644 --- a/arch/powerpc/platforms/iseries/lpardata.c +++ b/arch/powerpc/platforms/iseries/lpardata.c @@ -8,7 +8,6 @@ */ #include <linux/types.h> #include <linux/threads.h> -#include <linux/module.h> #include <linux/bitops.h> #include <asm/processor.h> #include <asm/ptrace.h> diff --git a/arch/powerpc/platforms/iseries/lpevents.c b/arch/powerpc/platforms/iseries/lpevents.c index b0f8a85..202e227 100644 --- a/arch/powerpc/platforms/iseries/lpevents.c +++ b/arch/powerpc/platforms/iseries/lpevents.c @@ -13,7 +13,7 @@ #include <linux/bootmem.h> #include <linux/seq_file.h> #include <linux/proc_fs.h> -#include <linux/module.h> +#include <linux/export.h> #include <asm/system.h> #include <asm/paca.h> diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c index 62dabe3..254c1fc 100644 --- a/arch/powerpc/platforms/iseries/mf.c +++ b/arch/powerpc/platforms/iseries/mf.c @@ -30,6 +30,7 @@ #include <linux/init.h> #include <linux/completion.h> #include <linux/delay.h> +#include <linux/export.h> #include <linux/proc_fs.h> #include <linux/dma-mapping.h> #include <linux/bcd.h> diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c index ab3962b..c754128 100644 --- a/arch/powerpc/platforms/iseries/pci.c +++ b/arch/powerpc/platforms/iseries/pci.c @@ -29,7 +29,6 @@ #include <linux/string.h> #include <linux/slab.h> #include <linux/init.h> -#include <linux/module.h> #include <linux/pci.h> #include <linux/of.h> #include <linux/ratelimit.h> diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index c25a081..ea0acbd 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -21,6 +21,7 @@ #include <linux/smp.h> #include <linux/param.h> #include <linux/string.h> +#include <linux/export.h> #include <linux/seq_file.h> #include <linux/kdev_t.h> #include <linux/kexec.h> diff --git a/arch/powerpc/platforms/iseries/smp.c b/arch/powerpc/platforms/iseries/smp.c index e3265ad..7e2a551 100644 --- a/arch/powerpc/platforms/iseries/smp.c +++ b/arch/powerpc/platforms/iseries/smp.c @@ -15,7 +15,6 @@ #undef DEBUG #include <linux/kernel.h> -#include <linux/module.h> #include <linux/sched.h> #include <linux/smp.h> #include <linux/interrupt.h> @@ -29,7 +28,7 @@ #include <linux/cpu.h> #include <asm/ptrace.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/irq.h> #include <asm/page.h> #include <asm/pgtable.h> @@ -75,7 +74,7 @@ static void __devinit smp_iSeries_setup_cpu(int nr) } static struct smp_ops_t iSeries_smp_ops = { - .message_pass = smp_muxed_ipi_message_pass, + .message_pass = NULL, /* Use smp_muxed_ipi_message_pass */ .cause_ipi = smp_iSeries_cause_ipi, .probe = smp_iSeries_probe, .kick_cpu = smp_iSeries_kick_cpu, diff --git a/arch/powerpc/platforms/iseries/vio.c b/arch/powerpc/platforms/iseries/vio.c index b6db7ce..04be62d 100644 --- a/arch/powerpc/platforms/iseries/vio.c +++ b/arch/powerpc/platforms/iseries/vio.c @@ -25,7 +25,7 @@ #include <linux/slab.h> #include <linux/completion.h> #include <linux/proc_fs.h> -#include <linux/module.h> +#include <linux/export.h> #include <asm/firmware.h> #include <asm/vio.h> diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c index 2376069..40dad08 100644 --- a/arch/powerpc/platforms/iseries/viopath.c +++ b/arch/powerpc/platforms/iseries/viopath.c @@ -27,7 +27,7 @@ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/errno.h> diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c index fe34c3d..4c37204 100644 --- a/arch/powerpc/platforms/maple/setup.c +++ b/arch/powerpc/platforms/maple/setup.c @@ -17,6 +17,7 @@ #include <linux/errno.h> #include <linux/sched.h> #include <linux/kernel.h> +#include <linux/export.h> #include <linux/mm.h> #include <linux/stddef.h> #include <linux/unistd.h> @@ -338,35 +339,16 @@ define_machine(maple) { #ifdef CONFIG_EDAC /* * Register a platform device for CPC925 memory controller on - * Motorola ATCA-6101 blade. + * all boards with U3H (CPC925) bridge. */ -#define MAPLE_CPC925_MODEL "Motorola,ATCA-6101" static int __init maple_cpc925_edac_setup(void) { struct platform_device *pdev; struct device_node *np = NULL; struct resource r; - const unsigned char *model; int ret; - - np = of_find_node_by_path("/"); - if (!np) { - printk(KERN_ERR "%s: Unable to get root node\n", __func__); - return -ENODEV; - } - - model = (const unsigned char *)of_get_property(np, "model", NULL); - if (!model) { - printk(KERN_ERR "%s: Unabel to get model info\n", __func__); - of_node_put(np); - return -ENODEV; - } - - ret = strcmp(model, MAPLE_CPC925_MODEL); - of_node_put(np); - - if (ret != 0) - return 0; + volatile void __iomem *mem; + u32 rev; np = of_find_node_by_type(NULL, "memory-controller"); if (!np) { @@ -384,6 +366,22 @@ static int __init maple_cpc925_edac_setup(void) return -ENODEV; } + mem = ioremap(r.start, resource_size(&r)); + if (!mem) { + printk(KERN_ERR "%s: Unable to map memory-controller memory\n", + __func__); + return -ENOMEM; + } + + rev = __raw_readl(mem); + iounmap(mem); + + if (rev < 0x34 || rev > 0x3f) { /* U3H */ + printk(KERN_ERR "%s: Non-CPC925(U3H) bridge revision: %02x\n", + __func__, rev); + return 0; + } + pdev = platform_device_register_simple("cpc925_edac", 0, &r, 1); if (IS_ERR(pdev)) return PTR_ERR(pdev); diff --git a/arch/powerpc/platforms/pasemi/cpufreq.c b/arch/powerpc/platforms/pasemi/cpufreq.c index c16537b..95d0017 100644 --- a/arch/powerpc/platforms/pasemi/cpufreq.c +++ b/arch/powerpc/platforms/pasemi/cpufreq.c @@ -27,6 +27,7 @@ #include <linux/cpufreq.h> #include <linux/timer.h> +#include <linux/module.h> #include <asm/hw_irq.h> #include <asm/io.h> diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platforms/pasemi/dma_lib.c index 321a9b3..f3defd8 100644 --- a/arch/powerpc/platforms/pasemi/dma_lib.c +++ b/arch/powerpc/platforms/pasemi/dma_lib.c @@ -19,10 +19,11 @@ #include <linux/kernel.h> #include <linux/init.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/pci.h> #include <linux/slab.h> #include <linux/of.h> +#include <linux/sched.h> #include <asm/pasemi_dma.h> @@ -576,7 +577,7 @@ int pasemi_dma_init(void) res.start = 0xfd800000; res.end = res.start + 0x1000; } - dma_status = __ioremap(res.start, res.end-res.start, 0); + dma_status = __ioremap(res.start, resource_size(&res), 0); pci_dev_put(iob_pdev); for (i = 0; i < MAX_TXCH; i++) diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index 7c858e6..6f35582 100644 --- a/arch/powerpc/platforms/pasemi/setup.c +++ b/arch/powerpc/platforms/pasemi/setup.c @@ -26,6 +26,7 @@ #include <linux/kernel.h> #include <linux/delay.h> #include <linux/console.h> +#include <linux/export.h> #include <linux/pci.h> #include <linux/of_platform.h> #include <linux/gfp.h> diff --git a/arch/powerpc/platforms/powermac/backlight.c b/arch/powerpc/platforms/powermac/backlight.c index d679964..a00096b 100644 --- a/arch/powerpc/platforms/powermac/backlight.c +++ b/arch/powerpc/platforms/powermac/backlight.c @@ -12,7 +12,8 @@ #include <linux/backlight.h> #include <linux/adb.h> #include <linux/pmu.h> -#include <asm/atomic.h> +#include <linux/atomic.h> +#include <linux/export.h> #include <asm/prom.h> #include <asm/backlight.h> diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index df42399..63d82bb 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -27,6 +27,7 @@ #include <linux/adb.h> #include <linux/pmu.h> #include <linux/ioport.h> +#include <linux/export.h> #include <linux/pci.h> #include <asm/sections.h> #include <asm/errno.h> diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index e9c8a60..996c5ff 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -33,7 +33,7 @@ #include <linux/types.h> #include <linux/sched.h> #include <linux/init.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/adb.h> #include <linux/pmu.h> #include <linux/delay.h> diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c index b1cdcf9..54d2271 100644 --- a/arch/powerpc/platforms/powermac/nvram.c +++ b/arch/powerpc/platforms/powermac/nvram.c @@ -8,7 +8,7 @@ * * Todo: - add support for the OF persistent properties */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/kernel.h> #include <linux/stddef.h> #include <linux/string.h> @@ -580,10 +580,10 @@ int __init pmac_nvram_init(void) /* Try to obtain an address */ if (of_address_to_resource(dp, 0, &r1) == 0) { nvram_naddrs = 1; - s1 = (r1.end - r1.start) + 1; + s1 = resource_size(&r1); if (of_address_to_resource(dp, 1, &r2) == 0) { nvram_naddrs = 2; - s2 = (r2.end - r2.start) + 1; + s2 = resource_size(&r2); } } diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index f33e08d..31a7d3a 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -17,6 +17,7 @@ #include <linux/init.h> #include <linux/bootmem.h> #include <linux/irq.h> +#include <linux/of_pci.h> #include <asm/sections.h> #include <asm/io.h> @@ -235,7 +236,7 @@ static int chaos_validate_dev(struct pci_bus *bus, int devfn, int offset) if (offset >= 0x100) return PCIBIOS_BAD_REGISTER_NUMBER; - np = pci_busdev_to_OF_node(bus, devfn); + np = of_pci_find_child_device(bus->dev.of_node, devfn); if (np == NULL) return PCIBIOS_DEVICE_NOT_FOUND; @@ -560,6 +561,20 @@ static struct pci_ops u4_pcie_pci_ops = .write = u4_pcie_write_config, }; +static void __devinit pmac_pci_fixup_u4_of_node(struct pci_dev *dev) +{ + /* Apple's device-tree "hides" the root complex virtual P2P bridge + * on U4. However, Linux sees it, causing the PCI <-> OF matching + * code to fail to properly match devices below it. This works around + * it by setting the node of the bridge to point to the PHB node, + * which is not entirely correct but fixes the matching code and + * doesn't break anything else. It's also the simplest possible fix. + */ + if (dev->dev.of_node == NULL) + dev->dev.of_node = pcibios_get_phb_of_node(dev->bus); +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_APPLE, 0x5b, pmac_pci_fixup_u4_of_node); + #endif /* CONFIG_PPC64 */ #ifdef CONFIG_PPC32 @@ -731,7 +746,7 @@ static void __init setup_bandit(struct pci_controller *hose, static int __init setup_uninorth(struct pci_controller *hose, struct resource *addr) { - ppc_pci_add_flags(PPC_PCI_REASSIGN_ALL_BUS); + pci_add_flags(PCI_REASSIGN_ALL_BUS); has_uninorth = 1; hose->ops = ¯isc_pci_ops; hose->cfg_addr = ioremap(addr->start + 0x800000, 0x1000); @@ -838,8 +853,7 @@ static void __init setup_u3_ht(struct pci_controller* hose) * into cfg_addr */ hose->cfg_data = ioremap(cfg_res.start, 0x02000000); - hose->cfg_addr = ioremap(self_res.start, - self_res.end - self_res.start + 1); + hose->cfg_addr = ioremap(self_res.start, resource_size(&self_res)); /* * /ht node doesn't expose a "ranges" property, we read the register @@ -998,7 +1012,7 @@ void __init pmac_pci_init(void) struct device_node *np, *root; struct device_node *ht = NULL; - ppc_pci_set_flags(PPC_PCI_CAN_SKIP_ISA_ALIGN); + pci_set_flags(PCI_CAN_SKIP_ISA_ALIGN); root = of_find_node_by_path("/"); if (root == NULL) { @@ -1057,7 +1071,7 @@ void __init pmac_pci_init(void) * some offset between bus number and domains for now when we * assign all busses should help for now */ - if (ppc_pci_has_flag(PPC_PCI_REASSIGN_ALL_BUS)) + if (pci_has_flag(PCI_REASSIGN_ALL_BUS)) pcibios_assign_bus_offset = 0x10; #endif } @@ -1323,8 +1337,7 @@ static void fixup_u4_pcie(struct pci_dev* dev) */ if (r->start >= 0xf0000000 && r->start < 0xf3000000) continue; - if (!region || (r->end - r->start) > - (region->end - region->start)) + if (!region || resource_size(r) > resource_size(region)) region = r; } /* Nothing found, bail */ diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index 7667db4..901bfbd 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -24,7 +24,6 @@ #include <linux/syscore_ops.h> #include <linux/adb.h> #include <linux/pmu.h> -#include <linux/module.h> #include <asm/sections.h> #include <asm/io.h> @@ -273,7 +272,6 @@ static struct irqaction xmon_action = { static struct irqaction gatwick_cascade_action = { .handler = gatwick_action, - .flags = IRQF_DISABLED, .name = "cascade", }; diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index aa45281..96580b1 100644 --- a/arch/powerpc/platforms/powermac/setup.c +++ b/arch/powerpc/platforms/powermac/setup.c @@ -31,6 +31,7 @@ #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> +#include <linux/export.h> #include <linux/user.h> #include <linux/tty.h> #include <linux/string.h> @@ -355,9 +356,6 @@ static int initializing = 1; static int pmac_late_init(void) { initializing = 0; - /* this is udbg (which is __init) and we can later use it during - * cpu hotplug (in smp_core99_kick_cpu) */ - ppc_md.progress = NULL; return 0; } machine_late_initcall(powermac, pmac_late_init); diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index 53a6be7..3394254 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -35,7 +35,7 @@ #include <linux/compiler.h> #include <asm/ptrace.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/code-patching.h> #include <asm/irq.h> #include <asm/page.h> @@ -200,7 +200,7 @@ static int psurge_secondary_ipi_init(void) if (psurge_secondary_virq) rc = request_irq(psurge_secondary_virq, psurge_ipi_intr, - IRQF_DISABLED|IRQF_PERCPU, "IPI", NULL); + IRQF_PERCPU, "IPI", NULL); if (rc) pr_err("Failed to setup secondary cpu IPI\n"); @@ -408,7 +408,7 @@ static int __init smp_psurge_kick_cpu(int nr) static struct irqaction psurge_irqaction = { .handler = psurge_ipi_intr, - .flags = IRQF_DISABLED|IRQF_PERCPU, + .flags = IRQF_PERCPU, .name = "primary IPI", }; @@ -447,7 +447,7 @@ void __init smp_psurge_give_timebase(void) /* PowerSurge-style Macs */ struct smp_ops_t psurge_smp_ops = { - .message_pass = smp_muxed_ipi_message_pass, + .message_pass = NULL, /* Use smp_muxed_ipi_message_pass */ .cause_ipi = smp_psurge_cause_ipi, .probe = smp_psurge_probe, .kick_cpu = smp_psurge_kick_cpu, diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c index 48211ca..11c9fce 100644 --- a/arch/powerpc/platforms/powermac/time.c +++ b/arch/powerpc/platforms/powermac/time.c @@ -274,7 +274,7 @@ int __init via_calibrate_decr(void) return 0; } of_node_put(vias); - via = ioremap(rsrc.start, rsrc.end - rsrc.start + 1); + via = ioremap(rsrc.start, resource_size(&rsrc)); if (via == NULL) { printk(KERN_ERR "Failed to map VIA for timer calibration !\n"); return 0; diff --git a/arch/powerpc/platforms/powernv/Kconfig b/arch/powerpc/platforms/powernv/Kconfig new file mode 100644 index 0000000..74fea5c --- /dev/null +++ b/arch/powerpc/platforms/powernv/Kconfig @@ -0,0 +1,16 @@ +config PPC_POWERNV + depends on PPC64 && PPC_BOOK3S + bool "IBM PowerNV (Non-Virtualized) platform support" + select PPC_NATIVE + select PPC_XICS + select PPC_ICP_NATIVE + select PPC_P7_NAP + select PPC_PCI_CHOICE if EMBEDDED + default y + +config PPC_POWERNV_RTAS + depends on PPC_POWERNV + bool "Support for RTAS based PowerNV platforms such as BML" + default y + select PPC_ICS_RTAS + select PPC_RTAS diff --git a/arch/powerpc/platforms/powernv/Makefile b/arch/powerpc/platforms/powernv/Makefile new file mode 100644 index 0000000..3185300 --- /dev/null +++ b/arch/powerpc/platforms/powernv/Makefile @@ -0,0 +1,5 @@ +obj-y += setup.o opal-takeover.o opal-wrappers.o opal.o +obj-y += opal-rtc.o opal-nvram.o + +obj-$(CONFIG_SMP) += smp.o +obj-$(CONFIG_PCI) += pci.o pci-p5ioc2.o diff --git a/arch/powerpc/platforms/powernv/opal-nvram.c b/arch/powerpc/platforms/powernv/opal-nvram.c new file mode 100644 index 0000000..3f83e1a --- /dev/null +++ b/arch/powerpc/platforms/powernv/opal-nvram.c @@ -0,0 +1,88 @@ +/* + * PowerNV nvram code. + * + * Copyright 2011 IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#define DEBUG + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/of.h> + +#include <asm/opal.h> +#include <asm/machdep.h> + +static unsigned int nvram_size; + +static ssize_t opal_nvram_size(void) +{ + return nvram_size; +} + +static ssize_t opal_nvram_read(char *buf, size_t count, loff_t *index) +{ + s64 rc; + int off; + + if (*index >= nvram_size) + return 0; + off = *index; + if ((off + count) > nvram_size) + count = nvram_size - off; + rc = opal_read_nvram(__pa(buf), count, off); + if (rc != OPAL_SUCCESS) + return -EIO; + *index += count; + return count; +} + +static ssize_t opal_nvram_write(char *buf, size_t count, loff_t *index) +{ + s64 rc = OPAL_BUSY; + int off; + + if (*index >= nvram_size) + return 0; + off = *index; + if ((off + count) > nvram_size) + count = nvram_size - off; + + while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) { + rc = opal_write_nvram(__pa(buf), count, off); + if (rc == OPAL_BUSY_EVENT) + opal_poll_events(NULL); + } + *index += count; + return count; +} + +void __init opal_nvram_init(void) +{ + struct device_node *np; + const u32 *nbytes_p; + + np = of_find_compatible_node(NULL, NULL, "ibm,opal-nvram"); + if (np == NULL) + return; + + nbytes_p = of_get_property(np, "#bytes", NULL); + if (!nbytes_p) { + of_node_put(np); + return; + } + nvram_size = *nbytes_p; + + printk(KERN_INFO "OPAL nvram setup, %u bytes\n", nvram_size); + of_node_put(np); + + ppc_md.nvram_read = opal_nvram_read; + ppc_md.nvram_write = opal_nvram_write; + ppc_md.nvram_size = opal_nvram_size; +} + diff --git a/arch/powerpc/platforms/powernv/opal-rtc.c b/arch/powerpc/platforms/powernv/opal-rtc.c new file mode 100644 index 0000000..2aa7641 --- /dev/null +++ b/arch/powerpc/platforms/powernv/opal-rtc.c @@ -0,0 +1,97 @@ +/* + * PowerNV Real Time Clock. + * + * Copyright 2011 IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + + +#include <linux/kernel.h> +#include <linux/time.h> +#include <linux/bcd.h> +#include <linux/rtc.h> +#include <linux/delay.h> + +#include <asm/opal.h> +#include <asm/firmware.h> + +static void opal_to_tm(u32 y_m_d, u64 h_m_s_ms, struct rtc_time *tm) +{ + tm->tm_year = ((bcd2bin(y_m_d >> 24) * 100) + + bcd2bin((y_m_d >> 16) & 0xff)) - 1900; + tm->tm_mon = bcd2bin((y_m_d >> 8) & 0xff) - 1; + tm->tm_mday = bcd2bin(y_m_d & 0xff); + tm->tm_hour = bcd2bin((h_m_s_ms >> 56) & 0xff); + tm->tm_min = bcd2bin((h_m_s_ms >> 48) & 0xff); + tm->tm_sec = bcd2bin((h_m_s_ms >> 40) & 0xff); + + GregorianDay(tm); +} + +unsigned long __init opal_get_boot_time(void) +{ + struct rtc_time tm; + u32 y_m_d; + u64 h_m_s_ms; + long rc = OPAL_BUSY; + + while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) { + rc = opal_rtc_read(&y_m_d, &h_m_s_ms); + if (rc == OPAL_BUSY_EVENT) + opal_poll_events(NULL); + else + mdelay(10); + } + if (rc != OPAL_SUCCESS) + return 0; + opal_to_tm(y_m_d, h_m_s_ms, &tm); + return mktime(tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, + tm.tm_hour, tm.tm_min, tm.tm_sec); +} + +void opal_get_rtc_time(struct rtc_time *tm) +{ + long rc = OPAL_BUSY; + u32 y_m_d; + u64 h_m_s_ms; + + while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) { + rc = opal_rtc_read(&y_m_d, &h_m_s_ms); + if (rc == OPAL_BUSY_EVENT) + opal_poll_events(NULL); + else + mdelay(10); + } + if (rc != OPAL_SUCCESS) + return; + opal_to_tm(y_m_d, h_m_s_ms, tm); +} + +int opal_set_rtc_time(struct rtc_time *tm) +{ + long rc = OPAL_BUSY; + u32 y_m_d = 0; + u64 h_m_s_ms = 0; + + y_m_d |= ((u32)bin2bcd((tm->tm_year + 1900) / 100)) << 24; + y_m_d |= ((u32)bin2bcd((tm->tm_year + 1900) % 100)) << 16; + y_m_d |= ((u32)bin2bcd((tm->tm_mon + 1))) << 8; + y_m_d |= ((u32)bin2bcd(tm->tm_mday)); + + h_m_s_ms |= ((u64)bin2bcd(tm->tm_hour)) << 56; + h_m_s_ms |= ((u64)bin2bcd(tm->tm_min)) << 48; + h_m_s_ms |= ((u64)bin2bcd(tm->tm_sec)) << 40; + + while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) { + rc = opal_rtc_write(y_m_d, h_m_s_ms); + if (rc == OPAL_BUSY_EVENT) + opal_poll_events(NULL); + else + mdelay(10); + } + return rc == OPAL_SUCCESS ? 0 : -EIO; +} diff --git a/arch/powerpc/platforms/powernv/opal-takeover.S b/arch/powerpc/platforms/powernv/opal-takeover.S new file mode 100644 index 0000000..77b48b2 --- /dev/null +++ b/arch/powerpc/platforms/powernv/opal-takeover.S @@ -0,0 +1,140 @@ +/* + * PowerNV OPAL takeover assembly code, for use by prom_init.c + * + * Copyright 2011 IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <asm/ppc_asm.h> +#include <asm/hvcall.h> +#include <asm/asm-offsets.h> +#include <asm/opal.h> + +#define STK_PARAM(i) (48 + ((i)-3)*8) + +#define H_HAL_TAKEOVER 0x5124 +#define H_HAL_TAKEOVER_QUERY_MAGIC -1 + + .text +_GLOBAL(opal_query_takeover) + mfcr r0 + stw r0,8(r1) + std r3,STK_PARAM(r3)(r1) + std r4,STK_PARAM(r4)(r1) + li r3,H_HAL_TAKEOVER + li r4,H_HAL_TAKEOVER_QUERY_MAGIC + HVSC + ld r10,STK_PARAM(r3)(r1) + std r4,0(r10) + ld r10,STK_PARAM(r4)(r1) + std r5,0(r10) + lwz r0,8(r1) + mtcrf 0xff,r0 + blr + +_GLOBAL(opal_do_takeover) + mfcr r0 + stw r0,8(r1) + mflr r0 + std r0,16(r1) + bl __opal_do_takeover + ld r0,16(r1) + mtlr r0 + lwz r0,8(r1) + mtcrf 0xff,r0 + blr + +__opal_do_takeover: + ld r4,0(r3) + ld r5,0x8(r3) + ld r6,0x10(r3) + ld r7,0x18(r3) + ld r8,0x20(r3) + ld r9,0x28(r3) + ld r10,0x30(r3) + ld r11,0x38(r3) + li r3,H_HAL_TAKEOVER + HVSC + blr + + .globl opal_secondary_entry +opal_secondary_entry: + mr r31,r3 + mfmsr r11 + li r12,(MSR_SF | MSR_ISF)@highest + sldi r12,r12,48 + or r11,r11,r12 + mtmsrd r11 + isync + mfspr r4,SPRN_PIR + std r4,0(r3) +1: HMT_LOW + ld r4,8(r3) + cmpli cr0,r4,0 + beq 1b + HMT_MEDIUM +1: addi r3,r31,16 + bl __opal_do_takeover + b 1b + +_GLOBAL(opal_enter_rtas) + mflr r0 + std r0,16(r1) + stdu r1,-PROM_FRAME_SIZE(r1) /* Save SP and create stack space */ + + /* Because PROM is running in 32b mode, it clobbers the high order half + * of all registers that it saves. We therefore save those registers + * PROM might touch to the stack. (r0, r3-r13 are caller saved) + */ + SAVE_GPR(2, r1) + SAVE_GPR(13, r1) + SAVE_8GPRS(14, r1) + SAVE_10GPRS(22, r1) + mfcr r10 + mfmsr r11 + std r10,_CCR(r1) + std r11,_MSR(r1) + + /* Get the PROM entrypoint */ + mtlr r5 + + /* Switch MSR to 32 bits mode + */ + li r12,1 + rldicr r12,r12,MSR_SF_LG,(63-MSR_SF_LG) + andc r11,r11,r12 + li r12,1 + rldicr r12,r12,MSR_ISF_LG,(63-MSR_ISF_LG) + andc r11,r11,r12 + mtmsrd r11 + isync + + /* Enter RTAS here... */ + blrl + + /* Just make sure that r1 top 32 bits didn't get + * corrupt by OF + */ + rldicl r1,r1,0,32 + + /* Restore the MSR (back to 64 bits) */ + ld r0,_MSR(r1) + MTMSRD(r0) + isync + + /* Restore other registers */ + REST_GPR(2, r1) + REST_GPR(13, r1) + REST_8GPRS(14, r1) + REST_10GPRS(22, r1) + ld r4,_CCR(r1) + mtcr r4 + + addi r1,r1,PROM_FRAME_SIZE + ld r0,16(r1) + mtlr r0 + blr diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S new file mode 100644 index 0000000..4a3f46d --- /dev/null +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -0,0 +1,101 @@ +/* + * PowerNV OPAL API wrappers + * + * Copyright 2011 IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <asm/ppc_asm.h> +#include <asm/hvcall.h> +#include <asm/asm-offsets.h> +#include <asm/opal.h> + +/* TODO: + * + * - Trace irqs in/off (needs saving/restoring all args, argh...) + * - Get r11 feed up by Dave so I can have better register usage + */ +#define OPAL_CALL(name, token) \ + _GLOBAL(name); \ + mflr r0; \ + mfcr r12; \ + std r0,16(r1); \ + std r12,8(r1); \ + std r1,PACAR1(r13); \ + li r0,0; \ + mfmsr r12; \ + ori r0,r0,MSR_EE; \ + std r12,PACASAVEDMSR(r13); \ + andc r12,r12,r0; \ + mtmsrd r12,1; \ + LOAD_REG_ADDR(r0,.opal_return); \ + mtlr r0; \ + li r0,MSR_DR|MSR_IR; \ + andc r12,r12,r0; \ + li r0,token; \ + mtspr SPRN_HSRR1,r12; \ + LOAD_REG_ADDR(r11,opal); \ + ld r12,8(r11); \ + ld r2,0(r11); \ + mtspr SPRN_HSRR0,r12; \ + hrfid + +_STATIC(opal_return) + ld r2,PACATOC(r13); + ld r4,8(r1); + ld r5,16(r1); + ld r6,PACASAVEDMSR(r13); + mtspr SPRN_SRR0,r5; + mtspr SPRN_SRR1,r6; + mtcr r4; + rfid + +OPAL_CALL(opal_console_write, OPAL_CONSOLE_WRITE); +OPAL_CALL(opal_console_read, OPAL_CONSOLE_READ); +OPAL_CALL(opal_console_write_buffer_space, OPAL_CONSOLE_WRITE_BUFFER_SPACE); +OPAL_CALL(opal_rtc_read, OPAL_RTC_READ); +OPAL_CALL(opal_rtc_write, OPAL_RTC_WRITE); +OPAL_CALL(opal_cec_power_down, OPAL_CEC_POWER_DOWN); +OPAL_CALL(opal_cec_reboot, OPAL_CEC_REBOOT); +OPAL_CALL(opal_read_nvram, OPAL_READ_NVRAM); +OPAL_CALL(opal_write_nvram, OPAL_WRITE_NVRAM); +OPAL_CALL(opal_handle_interrupt, OPAL_HANDLE_INTERRUPT); +OPAL_CALL(opal_poll_events, OPAL_POLL_EVENTS); +OPAL_CALL(opal_pci_set_hub_tce_memory, OPAL_PCI_SET_HUB_TCE_MEMORY); +OPAL_CALL(opal_pci_set_phb_tce_memory, OPAL_PCI_SET_PHB_TCE_MEMORY); +OPAL_CALL(opal_pci_config_read_byte, OPAL_PCI_CONFIG_READ_BYTE); +OPAL_CALL(opal_pci_config_read_half_word, OPAL_PCI_CONFIG_READ_HALF_WORD); +OPAL_CALL(opal_pci_config_read_word, OPAL_PCI_CONFIG_READ_WORD); +OPAL_CALL(opal_pci_config_write_byte, OPAL_PCI_CONFIG_WRITE_BYTE); +OPAL_CALL(opal_pci_config_write_half_word, OPAL_PCI_CONFIG_WRITE_HALF_WORD); +OPAL_CALL(opal_pci_config_write_word, OPAL_PCI_CONFIG_WRITE_WORD); +OPAL_CALL(opal_set_xive, OPAL_SET_XIVE); +OPAL_CALL(opal_get_xive, OPAL_GET_XIVE); +OPAL_CALL(opal_register_exception_handler, OPAL_REGISTER_OPAL_EXCEPTION_HANDLER); +OPAL_CALL(opal_pci_eeh_freeze_status, OPAL_PCI_EEH_FREEZE_STATUS); +OPAL_CALL(opal_pci_eeh_freeze_clear, OPAL_PCI_EEH_FREEZE_CLEAR); +OPAL_CALL(opal_pci_shpc, OPAL_PCI_SHPC); +OPAL_CALL(opal_pci_phb_mmio_enable, OPAL_PCI_PHB_MMIO_ENABLE); +OPAL_CALL(opal_pci_set_phb_mem_window, OPAL_PCI_SET_PHB_MEM_WINDOW); +OPAL_CALL(opal_pci_map_pe_mmio_window, OPAL_PCI_MAP_PE_MMIO_WINDOW); +OPAL_CALL(opal_pci_set_phb_table_memory, OPAL_PCI_SET_PHB_TABLE_MEMORY); +OPAL_CALL(opal_pci_set_pe, OPAL_PCI_SET_PE); +OPAL_CALL(opal_pci_set_peltv, OPAL_PCI_SET_PELTV); +OPAL_CALL(opal_pci_set_mve, OPAL_PCI_SET_MVE); +OPAL_CALL(opal_pci_set_mve_enable, OPAL_PCI_SET_MVE_ENABLE); +OPAL_CALL(opal_pci_get_xive_reissue, OPAL_PCI_GET_XIVE_REISSUE); +OPAL_CALL(opal_pci_set_xive_reissue, OPAL_PCI_SET_XIVE_REISSUE); +OPAL_CALL(opal_pci_set_xive_pe, OPAL_PCI_SET_XIVE_PE); +OPAL_CALL(opal_get_xive_source, OPAL_GET_XIVE_SOURCE); +OPAL_CALL(opal_get_msi_32, OPAL_GET_MSI_32); +OPAL_CALL(opal_get_msi_64, OPAL_GET_MSI_64); +OPAL_CALL(opal_start_cpu, OPAL_START_CPU); +OPAL_CALL(opal_query_cpu_status, OPAL_QUERY_CPU_STATUS); +OPAL_CALL(opal_write_oppanel, OPAL_WRITE_OPPANEL); +OPAL_CALL(opal_pci_map_pe_dma_window, OPAL_PCI_MAP_PE_DMA_WINDOW); +OPAL_CALL(opal_pci_map_pe_dma_window_real, OPAL_PCI_MAP_PE_DMA_WINDOW_REAL); +OPAL_CALL(opal_pci_reset, OPAL_PCI_RESET); diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c new file mode 100644 index 0000000..aaa0dba --- /dev/null +++ b/arch/powerpc/platforms/powernv/opal.c @@ -0,0 +1,322 @@ +/* + * PowerNV OPAL high level interfaces + * + * Copyright 2011 IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#undef DEBUG + +#include <linux/types.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/interrupt.h> +#include <asm/opal.h> +#include <asm/firmware.h> + +#include "powernv.h" + +struct opal { + u64 base; + u64 entry; +} opal; + +static struct device_node *opal_node; +static DEFINE_SPINLOCK(opal_write_lock); +extern u64 opal_mc_secondary_handler[]; + +int __init early_init_dt_scan_opal(unsigned long node, + const char *uname, int depth, void *data) +{ + const void *basep, *entryp; + unsigned long basesz, entrysz; + u64 glue; + + if (depth != 1 || strcmp(uname, "ibm,opal") != 0) + return 0; + + basep = of_get_flat_dt_prop(node, "opal-base-address", &basesz); + entryp = of_get_flat_dt_prop(node, "opal-entry-address", &entrysz); + + if (!basep || !entryp) + return 1; + + opal.base = of_read_number(basep, basesz/4); + opal.entry = of_read_number(entryp, entrysz/4); + + pr_debug("OPAL Base = 0x%llx (basep=%p basesz=%ld)\n", + opal.base, basep, basesz); + pr_debug("OPAL Entry = 0x%llx (entryp=%p basesz=%ld)\n", + opal.entry, entryp, entrysz); + + powerpc_firmware_features |= FW_FEATURE_OPAL; + if (of_flat_dt_is_compatible(node, "ibm,opal-v2")) { + powerpc_firmware_features |= FW_FEATURE_OPALv2; + printk("OPAL V2 detected !\n"); + } else { + printk("OPAL V1 detected !\n"); + } + + /* Hookup some exception handlers. We use the fwnmi area at 0x7000 + * to provide the glue space to OPAL + */ + glue = 0x7000; + opal_register_exception_handler(OPAL_MACHINE_CHECK_HANDLER, + __pa(opal_mc_secondary_handler[0]), + glue); + glue += 128; + opal_register_exception_handler(OPAL_HYPERVISOR_MAINTENANCE_HANDLER, + 0, glue); + glue += 128; + opal_register_exception_handler(OPAL_SOFTPATCH_HANDLER, 0, glue); + + return 1; +} + +int opal_get_chars(uint32_t vtermno, char *buf, int count) +{ + s64 len, rc; + u64 evt; + + if (!opal.entry) + return -ENODEV; + opal_poll_events(&evt); + if ((evt & OPAL_EVENT_CONSOLE_INPUT) == 0) + return 0; + len = count; + rc = opal_console_read(vtermno, &len, buf); + if (rc == OPAL_SUCCESS) + return len; + return 0; +} + +int opal_put_chars(uint32_t vtermno, const char *data, int total_len) +{ + int written = 0; + s64 len, rc; + unsigned long flags; + u64 evt; + + if (!opal.entry) + return -ENODEV; + + /* We want put_chars to be atomic to avoid mangling of hvsi + * packets. To do that, we first test for room and return + * -EAGAIN if there isn't enough. + * + * Unfortunately, opal_console_write_buffer_space() doesn't + * appear to work on opal v1, so we just assume there is + * enough room and be done with it + */ + spin_lock_irqsave(&opal_write_lock, flags); + if (firmware_has_feature(FW_FEATURE_OPALv2)) { + rc = opal_console_write_buffer_space(vtermno, &len); + if (rc || len < total_len) { + spin_unlock_irqrestore(&opal_write_lock, flags); + /* Closed -> drop characters */ + if (rc) + return total_len; + opal_poll_events(&evt); + return -EAGAIN; + } + } + + /* We still try to handle partial completions, though they + * should no longer happen. + */ + rc = OPAL_BUSY; + while(total_len > 0 && (rc == OPAL_BUSY || + rc == OPAL_BUSY_EVENT || rc == OPAL_SUCCESS)) { + len = total_len; + rc = opal_console_write(vtermno, &len, data); + if (rc == OPAL_SUCCESS) { + total_len -= len; + data += len; + written += len; + } + /* This is a bit nasty but we need that for the console to + * flush when there aren't any interrupts. We will clean + * things a bit later to limit that to synchronous path + * such as the kernel console and xmon/udbg + */ + do + opal_poll_events(&evt); + while(rc == OPAL_SUCCESS && (evt & OPAL_EVENT_CONSOLE_OUTPUT)); + } + spin_unlock_irqrestore(&opal_write_lock, flags); + return written; +} + +int opal_machine_check(struct pt_regs *regs) +{ + struct opal_machine_check_event *opal_evt = get_paca()->opal_mc_evt; + struct opal_machine_check_event evt; + const char *level, *sevstr, *subtype; + static const char *opal_mc_ue_types[] = { + "Indeterminate", + "Instruction fetch", + "Page table walk ifetch", + "Load/Store", + "Page table walk Load/Store", + }; + static const char *opal_mc_slb_types[] = { + "Indeterminate", + "Parity", + "Multihit", + }; + static const char *opal_mc_erat_types[] = { + "Indeterminate", + "Parity", + "Multihit", + }; + static const char *opal_mc_tlb_types[] = { + "Indeterminate", + "Parity", + "Multihit", + }; + + /* Copy the event structure and release the original */ + evt = *opal_evt; + opal_evt->in_use = 0; + + /* Print things out */ + if (evt.version != OpalMCE_V1) { + pr_err("Machine Check Exception, Unknown event version %d !\n", + evt.version); + return 0; + } + switch(evt.severity) { + case OpalMCE_SEV_NO_ERROR: + level = KERN_INFO; + sevstr = "Harmless"; + break; + case OpalMCE_SEV_WARNING: + level = KERN_WARNING; + sevstr = ""; + break; + case OpalMCE_SEV_ERROR_SYNC: + level = KERN_ERR; + sevstr = "Severe"; + break; + case OpalMCE_SEV_FATAL: + default: + level = KERN_ERR; + sevstr = "Fatal"; + break; + } + + printk("%s%s Machine check interrupt [%s]\n", level, sevstr, + evt.disposition == OpalMCE_DISPOSITION_RECOVERED ? + "Recovered" : "[Not recovered"); + printk("%s Initiator: %s\n", level, + evt.initiator == OpalMCE_INITIATOR_CPU ? "CPU" : "Unknown"); + switch(evt.error_type) { + case OpalMCE_ERROR_TYPE_UE: + subtype = evt.u.ue_error.ue_error_type < + ARRAY_SIZE(opal_mc_ue_types) ? + opal_mc_ue_types[evt.u.ue_error.ue_error_type] + : "Unknown"; + printk("%s Error type: UE [%s]\n", level, subtype); + if (evt.u.ue_error.effective_address_provided) + printk("%s Effective address: %016llx\n", + level, evt.u.ue_error.effective_address); + if (evt.u.ue_error.physical_address_provided) + printk("%s Physial address: %016llx\n", + level, evt.u.ue_error.physical_address); + break; + case OpalMCE_ERROR_TYPE_SLB: + subtype = evt.u.slb_error.slb_error_type < + ARRAY_SIZE(opal_mc_slb_types) ? + opal_mc_slb_types[evt.u.slb_error.slb_error_type] + : "Unknown"; + printk("%s Error type: SLB [%s]\n", level, subtype); + if (evt.u.slb_error.effective_address_provided) + printk("%s Effective address: %016llx\n", + level, evt.u.slb_error.effective_address); + break; + case OpalMCE_ERROR_TYPE_ERAT: + subtype = evt.u.erat_error.erat_error_type < + ARRAY_SIZE(opal_mc_erat_types) ? + opal_mc_erat_types[evt.u.erat_error.erat_error_type] + : "Unknown"; + printk("%s Error type: ERAT [%s]\n", level, subtype); + if (evt.u.erat_error.effective_address_provided) + printk("%s Effective address: %016llx\n", + level, evt.u.erat_error.effective_address); + break; + case OpalMCE_ERROR_TYPE_TLB: + subtype = evt.u.tlb_error.tlb_error_type < + ARRAY_SIZE(opal_mc_tlb_types) ? + opal_mc_tlb_types[evt.u.tlb_error.tlb_error_type] + : "Unknown"; + printk("%s Error type: TLB [%s]\n", level, subtype); + if (evt.u.tlb_error.effective_address_provided) + printk("%s Effective address: %016llx\n", + level, evt.u.tlb_error.effective_address); + break; + default: + case OpalMCE_ERROR_TYPE_UNKNOWN: + printk("%s Error type: Unknown\n", level); + break; + } + return evt.severity == OpalMCE_SEV_FATAL ? 0 : 1; +} + +static irqreturn_t opal_interrupt(int irq, void *data) +{ + uint64_t events; + + opal_handle_interrupt(virq_to_hw(irq), &events); + + /* XXX TODO: Do something with the events */ + + return IRQ_HANDLED; +} + +static int __init opal_init(void) +{ + struct device_node *np, *consoles; + const u32 *irqs; + int rc, i, irqlen; + + opal_node = of_find_node_by_path("/ibm,opal"); + if (!opal_node) { + pr_warn("opal: Node not found\n"); + return -ENODEV; + } + if (firmware_has_feature(FW_FEATURE_OPALv2)) + consoles = of_find_node_by_path("/ibm,opal/consoles"); + else + consoles = of_node_get(opal_node); + + /* Register serial ports */ + for_each_child_of_node(consoles, np) { + if (strcmp(np->name, "serial")) + continue; + of_platform_device_create(np, NULL, NULL); + } + of_node_put(consoles); + + /* Find all OPAL interrupts and request them */ + irqs = of_get_property(opal_node, "opal-interrupts", &irqlen); + pr_debug("opal: Found %d interrupts reserved for OPAL\n", + irqs ? (irqlen / 4) : 0); + for (i = 0; irqs && i < (irqlen / 4); i++, irqs++) { + unsigned int hwirq = be32_to_cpup(irqs); + unsigned int irq = irq_create_mapping(NULL, hwirq); + if (irq == NO_IRQ) { + pr_warning("opal: Failed to map irq 0x%x\n", hwirq); + continue; + } + rc = request_irq(irq, opal_interrupt, 0, "opal", NULL); + if (rc) + pr_warning("opal: Error %d requesting irq %d" + " (0x%x)\n", rc, irq, hwirq); + } + return 0; +} +subsys_initcall(opal_init); diff --git a/arch/powerpc/platforms/powernv/pci-p5ioc2.c b/arch/powerpc/platforms/powernv/pci-p5ioc2.c new file mode 100644 index 0000000..4c80f7c --- /dev/null +++ b/arch/powerpc/platforms/powernv/pci-p5ioc2.c @@ -0,0 +1,234 @@ +/* + * Support PCI/PCIe on PowerNV platforms + * + * Currently supports only P5IOC2 + * + * Copyright 2011 Benjamin Herrenschmidt, IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/string.h> +#include <linux/init.h> +#include <linux/bootmem.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <linux/msi.h> + +#include <asm/sections.h> +#include <asm/io.h> +#include <asm/prom.h> +#include <asm/pci-bridge.h> +#include <asm/machdep.h> +#include <asm/ppc-pci.h> +#include <asm/opal.h> +#include <asm/iommu.h> +#include <asm/tce.h> +#include <asm/abs_addr.h> + +#include "powernv.h" +#include "pci.h" + +/* For now, use a fixed amount of TCE memory for each p5ioc2 + * hub, 16M will do + */ +#define P5IOC2_TCE_MEMORY 0x01000000 + +#ifdef CONFIG_PCI_MSI +static int pnv_pci_p5ioc2_msi_setup(struct pnv_phb *phb, struct pci_dev *dev, + unsigned int hwirq, unsigned int is_64, + struct msi_msg *msg) +{ + if (WARN_ON(!is_64)) + return -ENXIO; + msg->data = hwirq - phb->msi_base; + msg->address_hi = 0x10000000; + msg->address_lo = 0; + + return 0; +} + +static void pnv_pci_init_p5ioc2_msis(struct pnv_phb *phb) +{ + unsigned int bmap_size; + const __be32 *prop = of_get_property(phb->hose->dn, + "ibm,opal-msi-ranges", NULL); + if (!prop) + return; + + /* Don't do MSI's on p5ioc2 PCI-X are they are not properly + * verified in HW + */ + if (of_device_is_compatible(phb->hose->dn, "ibm,p5ioc2-pcix")) + return; + phb->msi_base = be32_to_cpup(prop); + phb->msi_count = be32_to_cpup(prop + 1); + bmap_size = BITS_TO_LONGS(phb->msi_count) * sizeof(unsigned long); + phb->msi_map = zalloc_maybe_bootmem(bmap_size, GFP_KERNEL); + if (!phb->msi_map) { + pr_err("PCI %d: Failed to allocate MSI bitmap !\n", + phb->hose->global_number); + return; + } + phb->msi_setup = pnv_pci_p5ioc2_msi_setup; + phb->msi32_support = 0; + pr_info(" Allocated bitmap for %d MSIs (base IRQ 0x%x)\n", + phb->msi_count, phb->msi_base); +} +#else +static void pnv_pci_init_p5ioc2_msis(struct pnv_phb *phb) { } +#endif /* CONFIG_PCI_MSI */ + +static void __devinit pnv_pci_p5ioc2_dma_dev_setup(struct pnv_phb *phb, + struct pci_dev *pdev) +{ + if (phb->p5ioc2.iommu_table.it_map == NULL) + iommu_init_table(&phb->p5ioc2.iommu_table, phb->hose->node); + + set_iommu_table_base(&pdev->dev, &phb->p5ioc2.iommu_table); +} + +static void __init pnv_pci_init_p5ioc2_phb(struct device_node *np, + void *tce_mem, u64 tce_size) +{ + struct pnv_phb *phb; + const u64 *prop64; + u64 phb_id; + int64_t rc; + static int primary = 1; + + pr_info(" Initializing p5ioc2 PHB %s\n", np->full_name); + + prop64 = of_get_property(np, "ibm,opal-phbid", NULL); + if (!prop64) { + pr_err(" Missing \"ibm,opal-phbid\" property !\n"); + return; + } + phb_id = be64_to_cpup(prop64); + pr_devel(" PHB-ID : 0x%016llx\n", phb_id); + pr_devel(" TCE AT : 0x%016lx\n", __pa(tce_mem)); + pr_devel(" TCE SZ : 0x%016llx\n", tce_size); + + rc = opal_pci_set_phb_tce_memory(phb_id, __pa(tce_mem), tce_size); + if (rc != OPAL_SUCCESS) { + pr_err(" Failed to set TCE memory, OPAL error %lld\n", rc); + return; + } + + phb = alloc_bootmem(sizeof(struct pnv_phb)); + if (phb) { + memset(phb, 0, sizeof(struct pnv_phb)); + phb->hose = pcibios_alloc_controller(np); + } + if (!phb || !phb->hose) { + pr_err(" Failed to allocate PCI controller\n"); + return; + } + + spin_lock_init(&phb->lock); + phb->hose->first_busno = 0; + phb->hose->last_busno = 0xff; + phb->hose->private_data = phb; + phb->opal_id = phb_id; + phb->type = PNV_PHB_P5IOC2; + + phb->regs = of_iomap(np, 0); + + if (phb->regs == NULL) + pr_err(" Failed to map registers !\n"); + else { + pr_devel(" P_BUID = 0x%08x\n", in_be32(phb->regs + 0x100)); + pr_devel(" P_IOSZ = 0x%08x\n", in_be32(phb->regs + 0x1b0)); + pr_devel(" P_IO_ST = 0x%08x\n", in_be32(phb->regs + 0x1e0)); + pr_devel(" P_MEM1_H = 0x%08x\n", in_be32(phb->regs + 0x1a0)); + pr_devel(" P_MEM1_L = 0x%08x\n", in_be32(phb->regs + 0x190)); + pr_devel(" P_MSZ1_L = 0x%08x\n", in_be32(phb->regs + 0x1c0)); + pr_devel(" P_MEM_ST = 0x%08x\n", in_be32(phb->regs + 0x1d0)); + pr_devel(" P_MEM2_H = 0x%08x\n", in_be32(phb->regs + 0x2c0)); + pr_devel(" P_MEM2_L = 0x%08x\n", in_be32(phb->regs + 0x2b0)); + pr_devel(" P_MSZ2_H = 0x%08x\n", in_be32(phb->regs + 0x2d0)); + pr_devel(" P_MSZ2_L = 0x%08x\n", in_be32(phb->regs + 0x2e0)); + } + + /* Interpret the "ranges" property */ + /* This also maps the I/O region and sets isa_io/mem_base */ + pci_process_bridge_OF_ranges(phb->hose, np, primary); + primary = 0; + + phb->hose->ops = &pnv_pci_ops; + + /* Setup MSI support */ + pnv_pci_init_p5ioc2_msis(phb); + + /* Setup TCEs */ + phb->dma_dev_setup = pnv_pci_p5ioc2_dma_dev_setup; + pnv_pci_setup_iommu_table(&phb->p5ioc2.iommu_table, + tce_mem, tce_size, 0); +} + +void __init pnv_pci_init_p5ioc2_hub(struct device_node *np) +{ + struct device_node *phbn; + const u64 *prop64; + u64 hub_id; + void *tce_mem; + uint64_t tce_per_phb; + int64_t rc; + int phb_count = 0; + + pr_info("Probing p5ioc2 IO-Hub %s\n", np->full_name); + + prop64 = of_get_property(np, "ibm,opal-hubid", NULL); + if (!prop64) { + pr_err(" Missing \"ibm,opal-hubid\" property !\n"); + return; + } + hub_id = be64_to_cpup(prop64); + pr_info(" HUB-ID : 0x%016llx\n", hub_id); + + /* Currently allocate 16M of TCE memory for every Hub + * + * XXX TODO: Make it chip local if possible + */ + tce_mem = __alloc_bootmem(P5IOC2_TCE_MEMORY, P5IOC2_TCE_MEMORY, + __pa(MAX_DMA_ADDRESS)); + if (!tce_mem) { + pr_err(" Failed to allocate TCE Memory !\n"); + return; + } + pr_debug(" TCE : 0x%016lx..0x%016lx\n", + __pa(tce_mem), __pa(tce_mem) + P5IOC2_TCE_MEMORY - 1); + rc = opal_pci_set_hub_tce_memory(hub_id, __pa(tce_mem), + P5IOC2_TCE_MEMORY); + if (rc != OPAL_SUCCESS) { + pr_err(" Failed to allocate TCE memory, OPAL error %lld\n", rc); + return; + } + + /* Count child PHBs */ + for_each_child_of_node(np, phbn) { + if (of_device_is_compatible(phbn, "ibm,p5ioc2-pcix") || + of_device_is_compatible(phbn, "ibm,p5ioc2-pciex")) + phb_count++; + } + + /* Calculate how much TCE space we can give per PHB */ + tce_per_phb = __rounddown_pow_of_two(P5IOC2_TCE_MEMORY / phb_count); + pr_info(" Allocating %lld MB of TCE memory per PHB\n", + tce_per_phb >> 20); + + /* Initialize PHBs */ + for_each_child_of_node(np, phbn) { + if (of_device_is_compatible(phbn, "ibm,p5ioc2-pcix") || + of_device_is_compatible(phbn, "ibm,p5ioc2-pciex")) { + pnv_pci_init_p5ioc2_phb(phbn, tce_mem, tce_per_phb); + tce_mem += tce_per_phb; + } + } +} diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c new file mode 100644 index 0000000..15a05ca --- /dev/null +++ b/arch/powerpc/platforms/powernv/pci.c @@ -0,0 +1,429 @@ +/* + * Support PCI/PCIe on PowerNV platforms + * + * Currently supports only P5IOC2 + * + * Copyright 2011 Benjamin Herrenschmidt, IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/string.h> +#include <linux/init.h> +#include <linux/bootmem.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <linux/msi.h> + +#include <asm/sections.h> +#include <asm/io.h> +#include <asm/prom.h> +#include <asm/pci-bridge.h> +#include <asm/machdep.h> +#include <asm/ppc-pci.h> +#include <asm/opal.h> +#include <asm/iommu.h> +#include <asm/tce.h> +#include <asm/abs_addr.h> + +#include "powernv.h" +#include "pci.h" + +/* Delay in usec */ +#define PCI_RESET_DELAY_US 3000000 + +#define cfg_dbg(fmt...) do { } while(0) +//#define cfg_dbg(fmt...) printk(fmt) + +#ifdef CONFIG_PCI_MSI +static int pnv_msi_check_device(struct pci_dev* pdev, int nvec, int type) +{ + struct pci_controller *hose = pci_bus_to_host(pdev->bus); + struct pnv_phb *phb = hose->private_data; + + return (phb && phb->msi_map) ? 0 : -ENODEV; +} + +static unsigned int pnv_get_one_msi(struct pnv_phb *phb) +{ + unsigned int id; + + spin_lock(&phb->lock); + id = find_next_zero_bit(phb->msi_map, phb->msi_count, phb->msi_next); + if (id >= phb->msi_count && phb->msi_next) + id = find_next_zero_bit(phb->msi_map, phb->msi_count, 0); + if (id >= phb->msi_count) { + spin_unlock(&phb->lock); + return 0; + } + __set_bit(id, phb->msi_map); + spin_unlock(&phb->lock); + return id + phb->msi_base; +} + +static void pnv_put_msi(struct pnv_phb *phb, unsigned int hwirq) +{ + unsigned int id; + + if (WARN_ON(hwirq < phb->msi_base || + hwirq >= (phb->msi_base + phb->msi_count))) + return; + id = hwirq - phb->msi_base; + spin_lock(&phb->lock); + __clear_bit(id, phb->msi_map); + spin_unlock(&phb->lock); +} + +static int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) +{ + struct pci_controller *hose = pci_bus_to_host(pdev->bus); + struct pnv_phb *phb = hose->private_data; + struct msi_desc *entry; + struct msi_msg msg; + unsigned int hwirq, virq; + int rc; + + if (WARN_ON(!phb)) + return -ENODEV; + + list_for_each_entry(entry, &pdev->msi_list, list) { + if (!entry->msi_attrib.is_64 && !phb->msi32_support) { + pr_warn("%s: Supports only 64-bit MSIs\n", + pci_name(pdev)); + return -ENXIO; + } + hwirq = pnv_get_one_msi(phb); + if (!hwirq) { + pr_warn("%s: Failed to find a free MSI\n", + pci_name(pdev)); + return -ENOSPC; + } + virq = irq_create_mapping(NULL, hwirq); + if (virq == NO_IRQ) { + pr_warn("%s: Failed to map MSI to linux irq\n", + pci_name(pdev)); + pnv_put_msi(phb, hwirq); + return -ENOMEM; + } + rc = phb->msi_setup(phb, pdev, hwirq, entry->msi_attrib.is_64, + &msg); + if (rc) { + pr_warn("%s: Failed to setup MSI\n", pci_name(pdev)); + irq_dispose_mapping(virq); + pnv_put_msi(phb, hwirq); + return rc; + } + irq_set_msi_desc(virq, entry); + write_msi_msg(virq, &msg); + } + return 0; +} + +static void pnv_teardown_msi_irqs(struct pci_dev *pdev) +{ + struct pci_controller *hose = pci_bus_to_host(pdev->bus); + struct pnv_phb *phb = hose->private_data; + struct msi_desc *entry; + irq_hw_number_t hwirq; + + if (WARN_ON(!phb)) + return; + + list_for_each_entry(entry, &pdev->msi_list, list) { + if (entry->irq == NO_IRQ) + continue; + hwirq = virq_to_hw(entry->irq); + irq_set_msi_desc(entry->irq, NULL); + irq_dispose_mapping(entry->irq); + pnv_put_msi(phb, hwirq); + } +} +#endif /* CONFIG_PCI_MSI */ + +static void pnv_pci_config_check_eeh(struct pnv_phb *phb, struct pci_bus *bus, + u32 bdfn) +{ + s64 rc; + u8 fstate; + u16 pcierr; + u32 pe_no; + + /* Get PE# if we support IODA */ + pe_no = phb->bdfn_to_pe ? phb->bdfn_to_pe(phb, bus, bdfn & 0xff) : 0; + + /* Read freeze status */ + rc = opal_pci_eeh_freeze_status(phb->opal_id, pe_no, &fstate, &pcierr, + NULL); + if (rc) { + pr_warning("PCI %d: Failed to read EEH status for PE#%d," + " err %lld\n", phb->hose->global_number, pe_no, rc); + return; + } + cfg_dbg(" -> EEH check, bdfn=%04x PE%d fstate=%x\n", + bdfn, pe_no, fstate); + if (fstate != 0) { + rc = opal_pci_eeh_freeze_clear(phb->opal_id, pe_no, + OPAL_EEH_ACTION_CLEAR_FREEZE_ALL); + if (rc) { + pr_warning("PCI %d: Failed to clear EEH freeze state" + " for PE#%d, err %lld\n", + phb->hose->global_number, pe_no, rc); + } + } +} + +static int pnv_pci_read_config(struct pci_bus *bus, + unsigned int devfn, + int where, int size, u32 *val) +{ + struct pci_controller *hose = pci_bus_to_host(bus); + struct pnv_phb *phb = hose->private_data; + u32 bdfn = (((uint64_t)bus->number) << 8) | devfn; + s64 rc; + + if (hose == NULL) + return PCIBIOS_DEVICE_NOT_FOUND; + + switch (size) { + case 1: { + u8 v8; + rc = opal_pci_config_read_byte(phb->opal_id, bdfn, where, &v8); + *val = (rc == OPAL_SUCCESS) ? v8 : 0xff; + break; + } + case 2: { + u16 v16; + rc = opal_pci_config_read_half_word(phb->opal_id, bdfn, where, + &v16); + *val = (rc == OPAL_SUCCESS) ? v16 : 0xffff; + break; + } + case 4: { + u32 v32; + rc = opal_pci_config_read_word(phb->opal_id, bdfn, where, &v32); + *val = (rc == OPAL_SUCCESS) ? v32 : 0xffffffff; + break; + } + default: + return PCIBIOS_FUNC_NOT_SUPPORTED; + } + cfg_dbg("pnv_pci_read_config bus: %x devfn: %x +%x/%x -> %08x\n", + bus->number, devfn, where, size, *val); + + /* Check if the PHB got frozen due to an error (no response) */ + pnv_pci_config_check_eeh(phb, bus, bdfn); + + return PCIBIOS_SUCCESSFUL; +} + +static int pnv_pci_write_config(struct pci_bus *bus, + unsigned int devfn, + int where, int size, u32 val) +{ + struct pci_controller *hose = pci_bus_to_host(bus); + struct pnv_phb *phb = hose->private_data; + u32 bdfn = (((uint64_t)bus->number) << 8) | devfn; + + if (hose == NULL) + return PCIBIOS_DEVICE_NOT_FOUND; + + cfg_dbg("pnv_pci_write_config bus: %x devfn: %x +%x/%x -> %08x\n", + bus->number, devfn, where, size, val); + switch (size) { + case 1: + opal_pci_config_write_byte(phb->opal_id, bdfn, where, val); + break; + case 2: + opal_pci_config_write_half_word(phb->opal_id, bdfn, where, val); + break; + case 4: + opal_pci_config_write_word(phb->opal_id, bdfn, where, val); + break; + default: + return PCIBIOS_FUNC_NOT_SUPPORTED; + } + /* Check if the PHB got frozen due to an error (no response) */ + pnv_pci_config_check_eeh(phb, bus, bdfn); + + return PCIBIOS_SUCCESSFUL; +} + +struct pci_ops pnv_pci_ops = { + .read = pnv_pci_read_config, + .write = pnv_pci_write_config, +}; + +static int pnv_tce_build(struct iommu_table *tbl, long index, long npages, + unsigned long uaddr, enum dma_data_direction direction, + struct dma_attrs *attrs) +{ + u64 proto_tce; + u64 *tcep; + u64 rpn; + + proto_tce = TCE_PCI_READ; // Read allowed + + if (direction != DMA_TO_DEVICE) + proto_tce |= TCE_PCI_WRITE; + + tcep = ((u64 *)tbl->it_base) + index; + + while (npages--) { + /* can't move this out since we might cross LMB boundary */ + rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT; + *tcep = proto_tce | (rpn & TCE_RPN_MASK) << TCE_RPN_SHIFT; + + uaddr += TCE_PAGE_SIZE; + tcep++; + } + return 0; +} + +static void pnv_tce_free(struct iommu_table *tbl, long index, long npages) +{ + u64 *tcep = ((u64 *)tbl->it_base) + index; + + while (npages--) + *(tcep++) = 0; +} + +void pnv_pci_setup_iommu_table(struct iommu_table *tbl, + void *tce_mem, u64 tce_size, + u64 dma_offset) +{ + tbl->it_blocksize = 16; + tbl->it_base = (unsigned long)tce_mem; + tbl->it_offset = dma_offset >> IOMMU_PAGE_SHIFT; + tbl->it_index = 0; + tbl->it_size = tce_size >> 3; + tbl->it_busno = 0; + tbl->it_type = TCE_PCI; +} + +static struct iommu_table * __devinit +pnv_pci_setup_bml_iommu(struct pci_controller *hose) +{ + struct iommu_table *tbl; + const __be64 *basep; + const __be32 *sizep; + + basep = of_get_property(hose->dn, "linux,tce-base", NULL); + sizep = of_get_property(hose->dn, "linux,tce-size", NULL); + if (basep == NULL || sizep == NULL) { + pr_err("PCI: %s has missing tce entries !\n", hose->dn->full_name); + return NULL; + } + tbl = kzalloc_node(sizeof(struct iommu_table), GFP_KERNEL, hose->node); + if (WARN_ON(!tbl)) + return NULL; + pnv_pci_setup_iommu_table(tbl, __va(be64_to_cpup(basep)), + be32_to_cpup(sizep), 0); + iommu_init_table(tbl, hose->node); + return tbl; +} + +static void __devinit pnv_pci_dma_fallback_setup(struct pci_controller *hose, + struct pci_dev *pdev) +{ + struct device_node *np = pci_bus_to_OF_node(hose->bus); + struct pci_dn *pdn; + + if (np == NULL) + return; + pdn = PCI_DN(np); + if (!pdn->iommu_table) + pdn->iommu_table = pnv_pci_setup_bml_iommu(hose); + if (!pdn->iommu_table) + return; + set_iommu_table_base(&pdev->dev, pdn->iommu_table); +} + +static void __devinit pnv_pci_dma_dev_setup(struct pci_dev *pdev) +{ + struct pci_controller *hose = pci_bus_to_host(pdev->bus); + struct pnv_phb *phb = hose->private_data; + + /* If we have no phb structure, try to setup a fallback based on + * the device-tree (RTAS PCI for example) + */ + if (phb && phb->dma_dev_setup) + phb->dma_dev_setup(phb, pdev); + else + pnv_pci_dma_fallback_setup(hose, pdev); +} + +static int pnv_pci_probe_mode(struct pci_bus *bus) +{ + struct pci_controller *hose = pci_bus_to_host(bus); + const __be64 *tstamp; + u64 now, target; + + + /* We hijack this as a way to ensure we have waited long + * enough since the reset was lifted on the PCI bus + */ + if (bus != hose->bus) + return PCI_PROBE_NORMAL; + tstamp = of_get_property(hose->dn, "reset-clear-timestamp", NULL); + if (!tstamp || !*tstamp) + return PCI_PROBE_NORMAL; + + now = mftb() / tb_ticks_per_usec; + target = (be64_to_cpup(tstamp) / tb_ticks_per_usec) + + PCI_RESET_DELAY_US; + + pr_devel("pci %04d: Reset target: 0x%llx now: 0x%llx\n", + hose->global_number, target, now); + + if (now < target) + msleep((target - now + 999) / 1000); + + return PCI_PROBE_NORMAL; +} + +void __init pnv_pci_init(void) +{ + struct device_node *np; + + pci_set_flags(PCI_CAN_SKIP_ISA_ALIGN); + + /* We do not want to just probe */ + pci_probe_only = 0; + + /* OPAL absent, try POPAL first then RTAS detection of PHBs */ + if (!firmware_has_feature(FW_FEATURE_OPAL)) { +#ifdef CONFIG_PPC_POWERNV_RTAS + init_pci_config_tokens(); + find_and_init_phbs(); +#endif /* CONFIG_PPC_POWERNV_RTAS */ + } else { + /* OPAL is here, do our normal stuff */ + + /* Look for p5ioc2 IO-Hubs */ + for_each_compatible_node(np, NULL, "ibm,p5ioc2") + pnv_pci_init_p5ioc2_hub(np); + } + + /* Setup the linkage between OF nodes and PHBs */ + pci_devs_phb_init(); + + /* Configure IOMMU DMA hooks */ + ppc_md.pci_dma_dev_setup = pnv_pci_dma_dev_setup; + ppc_md.tce_build = pnv_tce_build; + ppc_md.tce_free = pnv_tce_free; + ppc_md.pci_probe_mode = pnv_pci_probe_mode; + set_pci_dma_ops(&dma_iommu_ops); + + /* Configure MSIs */ +#ifdef CONFIG_PCI_MSI + ppc_md.msi_check_device = pnv_msi_check_device; + ppc_md.setup_msi_irqs = pnv_setup_msi_irqs; + ppc_md.teardown_msi_irqs = pnv_teardown_msi_irqs; +#endif +} diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h new file mode 100644 index 0000000..d4dbc49 --- /dev/null +++ b/arch/powerpc/platforms/powernv/pci.h @@ -0,0 +1,48 @@ +#ifndef __POWERNV_PCI_H +#define __POWERNV_PCI_H + +struct pci_dn; + +enum pnv_phb_type { + PNV_PHB_P5IOC2, + PNV_PHB_IODA1, + PNV_PHB_IODA2, +}; + +struct pnv_phb { + struct pci_controller *hose; + enum pnv_phb_type type; + u64 opal_id; + void __iomem *regs; + spinlock_t lock; + +#ifdef CONFIG_PCI_MSI + unsigned long *msi_map; + unsigned int msi_base; + unsigned int msi_count; + unsigned int msi_next; + unsigned int msi32_support; +#endif + int (*msi_setup)(struct pnv_phb *phb, struct pci_dev *dev, + unsigned int hwirq, unsigned int is_64, + struct msi_msg *msg); + void (*dma_dev_setup)(struct pnv_phb *phb, struct pci_dev *pdev); + void (*fixup_phb)(struct pci_controller *hose); + u32 (*bdfn_to_pe)(struct pnv_phb *phb, struct pci_bus *bus, u32 devfn); + + union { + struct { + struct iommu_table iommu_table; + } p5ioc2; + }; +}; + +extern struct pci_ops pnv_pci_ops; + +extern void pnv_pci_setup_iommu_table(struct iommu_table *tbl, + void *tce_mem, u64 tce_size, + u64 dma_offset); +extern void pnv_pci_init_p5ioc2_hub(struct device_node *np); + + +#endif /* __POWERNV_PCI_H */ diff --git a/arch/powerpc/platforms/powernv/powernv.h b/arch/powerpc/platforms/powernv/powernv.h new file mode 100644 index 0000000..8a9df7f --- /dev/null +++ b/arch/powerpc/platforms/powernv/powernv.h @@ -0,0 +1,16 @@ +#ifndef _POWERNV_H +#define _POWERNV_H + +#ifdef CONFIG_SMP +extern void pnv_smp_init(void); +#else +static inline void pnv_smp_init(void) { } +#endif + +#ifdef CONFIG_PCI +extern void pnv_pci_init(void); +#else +static inline void pnv_pci_init(void) { } +#endif + +#endif /* _POWERNV_H */ diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c new file mode 100644 index 0000000..467bd4a --- /dev/null +++ b/arch/powerpc/platforms/powernv/setup.c @@ -0,0 +1,196 @@ +/* + * PowerNV setup code. + * + * Copyright 2011 IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#undef DEBUG + +#include <linux/cpu.h> +#include <linux/errno.h> +#include <linux/sched.h> +#include <linux/kernel.h> +#include <linux/tty.h> +#include <linux/reboot.h> +#include <linux/init.h> +#include <linux/console.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/seq_file.h> +#include <linux/of.h> +#include <linux/interrupt.h> +#include <linux/bug.h> + +#include <asm/machdep.h> +#include <asm/firmware.h> +#include <asm/xics.h> +#include <asm/rtas.h> +#include <asm/opal.h> +#include <asm/xics.h> + +#include "powernv.h" + +static void __init pnv_setup_arch(void) +{ + /* Initialize SMP */ + pnv_smp_init(); + + /* Setup PCI */ + pnv_pci_init(); + + /* Setup RTC and NVRAM callbacks */ + if (firmware_has_feature(FW_FEATURE_OPAL)) + opal_nvram_init(); + + /* Enable NAP mode */ + powersave_nap = 1; + + /* XXX PMCS */ +} + +static void __init pnv_init_early(void) +{ +#ifdef CONFIG_HVC_OPAL + if (firmware_has_feature(FW_FEATURE_OPAL)) + hvc_opal_init_early(); + else +#endif + add_preferred_console("hvc", 0, NULL); +} + +static void __init pnv_init_IRQ(void) +{ + xics_init(); + + WARN_ON(!ppc_md.get_irq); +} + +static void pnv_show_cpuinfo(struct seq_file *m) +{ + struct device_node *root; + const char *model = ""; + + root = of_find_node_by_path("/"); + if (root) + model = of_get_property(root, "model", NULL); + seq_printf(m, "machine\t\t: PowerNV %s\n", model); + if (firmware_has_feature(FW_FEATURE_OPALv2)) + seq_printf(m, "firmware\t: OPAL v2\n"); + else if (firmware_has_feature(FW_FEATURE_OPAL)) + seq_printf(m, "firmware\t: OPAL v1\n"); + else + seq_printf(m, "firmware\t: BML\n"); + of_node_put(root); +} + +static void __noreturn pnv_restart(char *cmd) +{ + long rc = OPAL_BUSY; + + while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) { + rc = opal_cec_reboot(); + if (rc == OPAL_BUSY_EVENT) + opal_poll_events(NULL); + else + mdelay(10); + } + for (;;) + opal_poll_events(NULL); +} + +static void __noreturn pnv_power_off(void) +{ + long rc = OPAL_BUSY; + + while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) { + rc = opal_cec_power_down(0); + if (rc == OPAL_BUSY_EVENT) + opal_poll_events(NULL); + else + mdelay(10); + } + for (;;) + opal_poll_events(NULL); +} + +static void __noreturn pnv_halt(void) +{ + pnv_power_off(); +} + +static void pnv_progress(char *s, unsigned short hex) +{ +} + +#ifdef CONFIG_KEXEC +static void pnv_kexec_cpu_down(int crash_shutdown, int secondary) +{ + xics_kexec_teardown_cpu(secondary); +} +#endif /* CONFIG_KEXEC */ + +static void __init pnv_setup_machdep_opal(void) +{ + ppc_md.get_boot_time = opal_get_boot_time; + ppc_md.get_rtc_time = opal_get_rtc_time; + ppc_md.set_rtc_time = opal_set_rtc_time; + ppc_md.restart = pnv_restart; + ppc_md.power_off = pnv_power_off; + ppc_md.halt = pnv_halt; + ppc_md.machine_check_exception = opal_machine_check; +} + +#ifdef CONFIG_PPC_POWERNV_RTAS +static void __init pnv_setup_machdep_rtas(void) +{ + if (rtas_token("get-time-of-day") != RTAS_UNKNOWN_SERVICE) { + ppc_md.get_boot_time = rtas_get_boot_time; + ppc_md.get_rtc_time = rtas_get_rtc_time; + ppc_md.set_rtc_time = rtas_set_rtc_time; + } + ppc_md.restart = rtas_restart; + ppc_md.power_off = rtas_power_off; + ppc_md.halt = rtas_halt; +} +#endif /* CONFIG_PPC_POWERNV_RTAS */ + +static int __init pnv_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "ibm,powernv")) + return 0; + + hpte_init_native(); + + if (firmware_has_feature(FW_FEATURE_OPAL)) + pnv_setup_machdep_opal(); +#ifdef CONFIG_PPC_POWERNV_RTAS + else if (rtas.base) + pnv_setup_machdep_rtas(); +#endif /* CONFIG_PPC_POWERNV_RTAS */ + + pr_debug("PowerNV detected !\n"); + + return 1; +} + +define_machine(powernv) { + .name = "PowerNV", + .probe = pnv_probe, + .init_early = pnv_init_early, + .setup_arch = pnv_setup_arch, + .init_IRQ = pnv_init_IRQ, + .show_cpuinfo = pnv_show_cpuinfo, + .progress = pnv_progress, + .power_save = power7_idle, + .calibrate_decr = generic_calibrate_decr, +#ifdef CONFIG_KEXEC + .kexec_cpu_down = pnv_kexec_cpu_down, +#endif +}; diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c new file mode 100644 index 0000000..e877366 --- /dev/null +++ b/arch/powerpc/platforms/powernv/smp.c @@ -0,0 +1,182 @@ +/* + * SMP support for PowerNV machines. + * + * Copyright 2011 IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/sched.h> +#include <linux/smp.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/spinlock.h> +#include <linux/cpu.h> + +#include <asm/irq.h> +#include <asm/smp.h> +#include <asm/paca.h> +#include <asm/machdep.h> +#include <asm/cputable.h> +#include <asm/firmware.h> +#include <asm/system.h> +#include <asm/rtas.h> +#include <asm/vdso_datapage.h> +#include <asm/cputhreads.h> +#include <asm/xics.h> +#include <asm/opal.h> + +#include "powernv.h" + +#ifdef DEBUG +#include <asm/udbg.h> +#define DBG(fmt...) udbg_printf(fmt) +#else +#define DBG(fmt...) +#endif + +static void __cpuinit pnv_smp_setup_cpu(int cpu) +{ + if (cpu != boot_cpuid) + xics_setup_cpu(); +} + +static int pnv_smp_cpu_bootable(unsigned int nr) +{ + /* Special case - we inhibit secondary thread startup + * during boot if the user requests it. + */ + if (system_state < SYSTEM_RUNNING && cpu_has_feature(CPU_FTR_SMT)) { + if (!smt_enabled_at_boot && cpu_thread_in_core(nr) != 0) + return 0; + if (smt_enabled_at_boot + && cpu_thread_in_core(nr) >= smt_enabled_at_boot) + return 0; + } + + return 1; +} + +int __devinit pnv_smp_kick_cpu(int nr) +{ + unsigned int pcpu = get_hard_smp_processor_id(nr); + unsigned long start_here = __pa(*((unsigned long *) + generic_secondary_smp_init)); + long rc; + + BUG_ON(nr < 0 || nr >= NR_CPUS); + + /* On OPAL v2 the CPU are still spinning inside OPAL itself, + * get them back now + */ + if (firmware_has_feature(FW_FEATURE_OPALv2)) { + pr_devel("OPAL: Starting CPU %d (HW 0x%x)...\n", nr, pcpu); + rc = opal_start_cpu(pcpu, start_here); + if (rc != OPAL_SUCCESS) + pr_warn("OPAL Error %ld starting CPU %d\n", + rc, nr); + } + return smp_generic_kick_cpu(nr); +} + +#ifdef CONFIG_HOTPLUG_CPU + +static int pnv_smp_cpu_disable(void) +{ + int cpu = smp_processor_id(); + + /* This is identical to pSeries... might consolidate by + * moving migrate_irqs_away to a ppc_md with default to + * the generic fixup_irqs. --BenH. + */ + set_cpu_online(cpu, false); + vdso_data->processorCount--; + if (cpu == boot_cpuid) + boot_cpuid = cpumask_any(cpu_online_mask); + xics_migrate_irqs_away(); + return 0; +} + +static void pnv_smp_cpu_kill_self(void) +{ + unsigned int cpu; + + /* If powersave_nap is enabled, use NAP mode, else just + * spin aimlessly + */ + if (!powersave_nap) { + generic_mach_cpu_die(); + return; + } + + /* Standard hot unplug procedure */ + local_irq_disable(); + idle_task_exit(); + current->active_mm = NULL; /* for sanity */ + cpu = smp_processor_id(); + DBG("CPU%d offline\n", cpu); + generic_set_cpu_dead(cpu); + smp_wmb(); + + /* We don't want to take decrementer interrupts while we are offline, + * so clear LPCR:PECE1. We keep PECE2 enabled. + */ + mtspr(SPRN_LPCR, mfspr(SPRN_LPCR) & ~(u64)LPCR_PECE1); + while (!generic_check_cpu_restart(cpu)) { + power7_idle(); + if (!generic_check_cpu_restart(cpu)) { + DBG("CPU%d Unexpected exit while offline !\n", cpu); + /* We may be getting an IPI, so we re-enable + * interrupts to process it, it will be ignored + * since we aren't online (hopefully) + */ + local_irq_enable(); + local_irq_disable(); + } + } + mtspr(SPRN_LPCR, mfspr(SPRN_LPCR) | LPCR_PECE1); + DBG("CPU%d coming online...\n", cpu); +} + +#endif /* CONFIG_HOTPLUG_CPU */ + +static struct smp_ops_t pnv_smp_ops = { + .message_pass = smp_muxed_ipi_message_pass, + .cause_ipi = NULL, /* Filled at runtime by xics_smp_probe() */ + .probe = xics_smp_probe, + .kick_cpu = pnv_smp_kick_cpu, + .setup_cpu = pnv_smp_setup_cpu, + .cpu_bootable = pnv_smp_cpu_bootable, +#ifdef CONFIG_HOTPLUG_CPU + .cpu_disable = pnv_smp_cpu_disable, + .cpu_die = generic_cpu_die, +#endif /* CONFIG_HOTPLUG_CPU */ +}; + +/* This is called very early during platform setup_arch */ +void __init pnv_smp_init(void) +{ + smp_ops = &pnv_smp_ops; + + /* XXX We don't yet have a proper entry point from HAL, for + * now we rely on kexec-style entry from BML + */ + +#ifdef CONFIG_PPC_RTAS + /* Non-lpar has additional take/give timebase */ + if (rtas_token("freeze-time-base") != RTAS_UNKNOWN_SERVICE) { + smp_ops->give_timebase = rtas_give_timebase; + smp_ops->take_timebase = rtas_take_timebase; + } +#endif /* CONFIG_PPC_RTAS */ + +#ifdef CONFIG_HOTPLUG_CPU + ppc_md.cpu_die = pnv_smp_cpu_kill_self; +#endif +} diff --git a/arch/powerpc/platforms/prep/Kconfig b/arch/powerpc/platforms/prep/Kconfig index bf8330e..1547f66 100644 --- a/arch/powerpc/platforms/prep/Kconfig +++ b/arch/powerpc/platforms/prep/Kconfig @@ -1,6 +1,7 @@ config PPC_PREP bool "PowerPC Reference Platform (PReP) based machines" depends on 6xx && BROKEN + select HAVE_PCSPKR_PLATFORM select MPIC select PPC_I8259 select PPC_INDIRECT_PCI @@ -20,12 +21,3 @@ config PREP_RESIDUAL or pass the 'noresidual' option to the kernel. If you are running a PReP system, say Y here, otherwise say N. - -config PROC_PREPRESIDUAL - bool "Support for reading of PReP Residual Data in /proc" - depends on PREP_RESIDUAL && PROC_FS - help - Enabling this option will create a /proc/residual file which allows - you to get at the residual data on PReP systems. You will need a tool - (lsresidual) to parse it. If you aren't on a PReP system, you don't - want this. diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig index dfe316b..476d9d9 100644 --- a/arch/powerpc/platforms/ps3/Kconfig +++ b/arch/powerpc/platforms/ps3/Kconfig @@ -148,4 +148,16 @@ config PS3_LPM profiling support of the Cell processor with programs like oprofile and perfmon2, then say Y or M, otherwise say N. +config PS3GELIC_UDBG + bool "PS3 udbg output via UDP broadcasts on Ethernet" + depends on PPC_PS3 + help + Enables udbg early debugging output by sending broadcast UDP + via the Ethernet port (UDP port number 18194). + + This driver uses a trivial implementation and is independent + from the main network driver. + + If in doubt, say N here. + endmenu diff --git a/arch/powerpc/platforms/ps3/Makefile b/arch/powerpc/platforms/ps3/Makefile index ac1bdf8..02b9e63 100644 --- a/arch/powerpc/platforms/ps3/Makefile +++ b/arch/powerpc/platforms/ps3/Makefile @@ -2,6 +2,7 @@ obj-y += setup.o mm.o time.o hvcall.o htab.o repository.o obj-y += interrupt.o exports.o os-area.o obj-y += system-bus.o +obj-$(CONFIG_PS3GELIC_UDBG) += gelic_udbg.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_SPU_BASE) += spu.o obj-y += device-init.o diff --git a/arch/powerpc/platforms/ps3/device-init.c b/arch/powerpc/platforms/ps3/device-init.c index 6c4b583..3f175e8 100644 --- a/arch/powerpc/platforms/ps3/device-init.c +++ b/arch/powerpc/platforms/ps3/device-init.c @@ -825,7 +825,7 @@ static int ps3_probe_thread(void *data) spin_lock_init(&dev.lock); - res = request_irq(irq, ps3_notification_interrupt, IRQF_DISABLED, + res = request_irq(irq, ps3_notification_interrupt, 0, "ps3_notification", &dev); if (res) { pr_err("%s:%u: request_irq failed %d\n", __func__, __LINE__, diff --git a/arch/powerpc/platforms/ps3/exports.c b/arch/powerpc/platforms/ps3/exports.c index a7e8ffd..7df5b7d 100644 --- a/arch/powerpc/platforms/ps3/exports.c +++ b/arch/powerpc/platforms/ps3/exports.c @@ -18,8 +18,6 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/module.h> - #define LV1_CALL(name, in, out, num) \ extern s64 _lv1_##name(LV1_##in##_IN_##out##_OUT_ARG_DECL); \ EXPORT_SYMBOL(_lv1_##name); diff --git a/arch/powerpc/platforms/ps3/gelic_udbg.c b/arch/powerpc/platforms/ps3/gelic_udbg.c new file mode 100644 index 0000000..20b46a1 --- /dev/null +++ b/arch/powerpc/platforms/ps3/gelic_udbg.c @@ -0,0 +1,273 @@ +/* + * udbg debug output routine via GELIC UDP broadcasts + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2006, 2007 Sony Corporation + * Copyright (C) 2010 Hector Martin <hector@marcansoft.com> + * Copyright (C) 2011 Andre Heider <a.heider@gmail.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + */ + +#include <asm/io.h> +#include <asm/udbg.h> +#include <asm/lv1call.h> + +#define GELIC_BUS_ID 1 +#define GELIC_DEVICE_ID 0 +#define GELIC_DEBUG_PORT 18194 +#define GELIC_MAX_MESSAGE_SIZE 1000 + +#define GELIC_LV1_GET_MAC_ADDRESS 1 +#define GELIC_LV1_GET_VLAN_ID 4 +#define GELIC_LV1_VLAN_TX_ETHERNET_0 2 + +#define GELIC_DESCR_DMA_STAT_MASK 0xf0000000 +#define GELIC_DESCR_DMA_CARDOWNED 0xa0000000 + +#define GELIC_DESCR_TX_DMA_IKE 0x00080000 +#define GELIC_DESCR_TX_DMA_NO_CHKSUM 0x00000000 +#define GELIC_DESCR_TX_DMA_FRAME_TAIL 0x00040000 + +#define GELIC_DESCR_DMA_CMD_NO_CHKSUM (GELIC_DESCR_DMA_CARDOWNED | \ + GELIC_DESCR_TX_DMA_IKE | \ + GELIC_DESCR_TX_DMA_NO_CHKSUM) + +static u64 bus_addr; + +struct gelic_descr { + /* as defined by the hardware */ + __be32 buf_addr; + __be32 buf_size; + __be32 next_descr_addr; + __be32 dmac_cmd_status; + __be32 result_size; + __be32 valid_size; /* all zeroes for tx */ + __be32 data_status; + __be32 data_error; /* all zeroes for tx */ +} __attribute__((aligned(32))); + +struct debug_block { + struct gelic_descr descr; + u8 pkt[1520]; +} __packed; + +struct ethhdr { + u8 dest[6]; + u8 src[6]; + u16 type; +} __packed; + +struct vlantag { + u16 vlan; + u16 subtype; +} __packed; + +struct iphdr { + u8 ver_len; + u8 dscp_ecn; + u16 total_length; + u16 ident; + u16 frag_off_flags; + u8 ttl; + u8 proto; + u16 checksum; + u32 src; + u32 dest; +} __packed; + +struct udphdr { + u16 src; + u16 dest; + u16 len; + u16 checksum; +} __packed; + +static __iomem struct ethhdr *h_eth; +static __iomem struct vlantag *h_vlan; +static __iomem struct iphdr *h_ip; +static __iomem struct udphdr *h_udp; + +static __iomem char *pmsg; +static __iomem char *pmsgc; + +static __iomem struct debug_block dbg __attribute__((aligned(32))); + +static int header_size; + +static void map_dma_mem(int bus_id, int dev_id, void *start, size_t len, + u64 *real_bus_addr) +{ + s64 result; + u64 real_addr = ((u64)start) & 0x0fffffffffffffffUL; + u64 real_end = real_addr + len; + u64 map_start = real_addr & ~0xfff; + u64 map_end = (real_end + 0xfff) & ~0xfff; + u64 bus_addr = 0; + + u64 flags = 0xf800000000000000UL; + + result = lv1_allocate_device_dma_region(bus_id, dev_id, + map_end - map_start, 12, 0, + &bus_addr); + if (result) + lv1_panic(0); + + result = lv1_map_device_dma_region(bus_id, dev_id, map_start, + bus_addr, map_end - map_start, + flags); + if (result) + lv1_panic(0); + + *real_bus_addr = bus_addr + real_addr - map_start; +} + +static int unmap_dma_mem(int bus_id, int dev_id, u64 bus_addr, size_t len) +{ + s64 result; + u64 real_bus_addr; + + real_bus_addr = bus_addr & ~0xfff; + len += bus_addr - real_bus_addr; + len = (len + 0xfff) & ~0xfff; + + result = lv1_unmap_device_dma_region(bus_id, dev_id, real_bus_addr, + len); + if (result) + return result; + + return lv1_free_device_dma_region(bus_id, dev_id, real_bus_addr); +} + +static void gelic_debug_init(void) +{ + s64 result; + u64 v2; + u64 mac; + u64 vlan_id; + + result = lv1_open_device(GELIC_BUS_ID, GELIC_DEVICE_ID, 0); + if (result) + lv1_panic(0); + + map_dma_mem(GELIC_BUS_ID, GELIC_DEVICE_ID, &dbg, sizeof(dbg), + &bus_addr); + + memset(&dbg, 0, sizeof(dbg)); + + dbg.descr.buf_addr = bus_addr + offsetof(struct debug_block, pkt); + + wmb(); + + result = lv1_net_control(GELIC_BUS_ID, GELIC_DEVICE_ID, + GELIC_LV1_GET_MAC_ADDRESS, 0, 0, 0, + &mac, &v2); + if (result) + lv1_panic(0); + + mac <<= 16; + + h_eth = (struct ethhdr *)dbg.pkt; + + memset(&h_eth->dest, 0xff, 6); + memcpy(&h_eth->src, &mac, 6); + + header_size = sizeof(struct ethhdr); + + result = lv1_net_control(GELIC_BUS_ID, GELIC_DEVICE_ID, + GELIC_LV1_GET_VLAN_ID, + GELIC_LV1_VLAN_TX_ETHERNET_0, 0, 0, + &vlan_id, &v2); + if (!result) { + h_eth->type = 0x8100; + + header_size += sizeof(struct vlantag); + h_vlan = (struct vlantag *)(h_eth + 1); + h_vlan->vlan = vlan_id; + h_vlan->subtype = 0x0800; + h_ip = (struct iphdr *)(h_vlan + 1); + } else { + h_eth->type = 0x0800; + h_ip = (struct iphdr *)(h_eth + 1); + } + + header_size += sizeof(struct iphdr); + h_ip->ver_len = 0x45; + h_ip->ttl = 10; + h_ip->proto = 0x11; + h_ip->src = 0x00000000; + h_ip->dest = 0xffffffff; + + header_size += sizeof(struct udphdr); + h_udp = (struct udphdr *)(h_ip + 1); + h_udp->src = GELIC_DEBUG_PORT; + h_udp->dest = GELIC_DEBUG_PORT; + + pmsgc = pmsg = (char *)(h_udp + 1); +} + +static void gelic_debug_shutdown(void) +{ + if (bus_addr) + unmap_dma_mem(GELIC_BUS_ID, GELIC_DEVICE_ID, + bus_addr, sizeof(dbg)); + lv1_close_device(GELIC_BUS_ID, GELIC_DEVICE_ID); +} + +static void gelic_sendbuf(int msgsize) +{ + u16 *p; + u32 sum; + int i; + + dbg.descr.buf_size = header_size + msgsize; + h_ip->total_length = msgsize + sizeof(struct udphdr) + + sizeof(struct iphdr); + h_udp->len = msgsize + sizeof(struct udphdr); + + h_ip->checksum = 0; + sum = 0; + p = (u16 *)h_ip; + for (i = 0; i < 5; i++) + sum += *p++; + h_ip->checksum = ~(sum + (sum >> 16)); + + dbg.descr.dmac_cmd_status = GELIC_DESCR_DMA_CMD_NO_CHKSUM | + GELIC_DESCR_TX_DMA_FRAME_TAIL; + dbg.descr.result_size = 0; + dbg.descr.data_status = 0; + + wmb(); + + lv1_net_start_tx_dma(GELIC_BUS_ID, GELIC_DEVICE_ID, bus_addr, 0); + + while ((dbg.descr.dmac_cmd_status & GELIC_DESCR_DMA_STAT_MASK) == + GELIC_DESCR_DMA_CARDOWNED) + cpu_relax(); +} + +static void ps3gelic_udbg_putc(char ch) +{ + *pmsgc++ = ch; + if (ch == '\n' || (pmsgc-pmsg) >= GELIC_MAX_MESSAGE_SIZE) { + gelic_sendbuf(pmsgc-pmsg); + pmsgc = pmsg; + } +} + +void __init udbg_init_ps3gelic(void) +{ + gelic_debug_init(); + udbg_putc = ps3gelic_udbg_putc; +} + +void udbg_shutdown_ps3gelic(void) +{ + udbg_putc = NULL; + gelic_debug_shutdown(); +} +EXPORT_SYMBOL(udbg_shutdown_ps3gelic); diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index 1aa478b..1d6f4f4 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -19,7 +19,7 @@ */ #include <linux/kernel.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/irq.h> #include <asm/machdep.h> diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c index c204588..72714ad 100644 --- a/arch/powerpc/platforms/ps3/mm.c +++ b/arch/powerpc/platforms/ps3/mm.c @@ -19,7 +19,7 @@ */ #include <linux/kernel.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/memory_hotplug.h> #include <linux/memblock.h> #include <linux/slab.h> diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c index 5b759b6..56d26bc 100644 --- a/arch/powerpc/platforms/ps3/os-area.c +++ b/arch/powerpc/platforms/ps3/os-area.c @@ -23,6 +23,7 @@ #include <linux/workqueue.h> #include <linux/fs.h> #include <linux/syscalls.h> +#include <linux/export.h> #include <linux/ctype.h> #include <linux/memblock.h> #include <linux/of.h> diff --git a/arch/powerpc/platforms/ps3/repository.c b/arch/powerpc/platforms/ps3/repository.c index 5e304c2..ca40f6a 100644 --- a/arch/powerpc/platforms/ps3/repository.c +++ b/arch/powerpc/platforms/ps3/repository.c @@ -184,7 +184,7 @@ int ps3_repository_read_bus_type(unsigned int bus_index, enum ps3_bus_type *bus_type) { int result; - u64 v1; + u64 v1 = 0; result = read_node(PS3_LPAR_ID_PME, make_first_field("bus", bus_index), @@ -199,7 +199,7 @@ int ps3_repository_read_bus_num_dev(unsigned int bus_index, unsigned int *num_dev) { int result; - u64 v1; + u64 v1 = 0; result = read_node(PS3_LPAR_ID_PME, make_first_field("bus", bus_index), @@ -239,7 +239,7 @@ int ps3_repository_read_dev_type(unsigned int bus_index, unsigned int dev_index, enum ps3_dev_type *dev_type) { int result; - u64 v1; + u64 v1 = 0; result = read_node(PS3_LPAR_ID_PME, make_first_field("bus", bus_index), @@ -256,8 +256,8 @@ int ps3_repository_read_dev_intr(unsigned int bus_index, enum ps3_interrupt_type *intr_type, unsigned int *interrupt_id) { int result; - u64 v1; - u64 v2; + u64 v1 = 0; + u64 v2 = 0; result = read_node(PS3_LPAR_ID_PME, make_first_field("bus", bus_index), @@ -275,7 +275,7 @@ int ps3_repository_read_dev_reg_type(unsigned int bus_index, enum ps3_reg_type *reg_type) { int result; - u64 v1; + u64 v1 = 0; result = read_node(PS3_LPAR_ID_PME, make_first_field("bus", bus_index), @@ -615,7 +615,7 @@ int ps3_repository_read_stor_dev_num_regions(unsigned int bus_index, unsigned int dev_index, unsigned int *num_regions) { int result; - u64 v1; + u64 v1 = 0; result = read_node(PS3_LPAR_ID_PME, make_first_field("bus", bus_index), @@ -631,7 +631,7 @@ int ps3_repository_read_stor_dev_region_id(unsigned int bus_index, unsigned int *region_id) { int result; - u64 v1; + u64 v1 = 0; result = read_node(PS3_LPAR_ID_PME, make_first_field("bus", bus_index), @@ -786,7 +786,7 @@ int ps3_repository_read_mm_info(u64 *rm_base, u64 *rm_size, u64 *region_total) int ps3_repository_read_num_spu_reserved(unsigned int *num_spu_reserved) { int result; - u64 v1; + u64 v1 = 0; result = read_node(PS3_LPAR_ID_CURRENT, make_first_field("bi", 0), @@ -805,7 +805,7 @@ int ps3_repository_read_num_spu_reserved(unsigned int *num_spu_reserved) int ps3_repository_read_num_spu_resource_id(unsigned int *num_resource_id) { int result; - u64 v1; + u64 v1 = 0; result = read_node(PS3_LPAR_ID_CURRENT, make_first_field("bi", 0), @@ -827,8 +827,8 @@ int ps3_repository_read_spu_resource_id(unsigned int res_index, enum ps3_spu_resource_type *resource_type, unsigned int *resource_id) { int result; - u64 v1; - u64 v2; + u64 v1 = 0; + u64 v2 = 0; result = read_node(PS3_LPAR_ID_CURRENT, make_first_field("bi", 0), @@ -854,7 +854,7 @@ static int ps3_repository_read_boot_dat_address(u64 *address) int ps3_repository_read_boot_dat_size(unsigned int *size) { int result; - u64 v1; + u64 v1 = 0; result = read_node(PS3_LPAR_ID_CURRENT, make_first_field("bi", 0), @@ -869,7 +869,7 @@ int ps3_repository_read_boot_dat_size(unsigned int *size) int ps3_repository_read_vuart_av_port(unsigned int *port) { int result; - u64 v1; + u64 v1 = 0; result = read_node(PS3_LPAR_ID_CURRENT, make_first_field("bi", 0), @@ -884,7 +884,7 @@ int ps3_repository_read_vuart_av_port(unsigned int *port) int ps3_repository_read_vuart_sysmgr_port(unsigned int *port) { int result; - u64 v1; + u64 v1 = 0; result = read_node(PS3_LPAR_ID_CURRENT, make_first_field("bi", 0), @@ -919,7 +919,7 @@ int ps3_repository_read_boot_dat_info(u64 *lpar_addr, unsigned int *size) int ps3_repository_read_num_be(unsigned int *num_be) { int result; - u64 v1; + u64 v1 = 0; result = read_node(PS3_LPAR_ID_PME, make_first_field("ben", 0), diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index 149bea2..e8ec1b2 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -23,6 +23,7 @@ #include <linux/fs.h> #include <linux/root_dev.h> #include <linux/console.h> +#include <linux/export.h> #include <linux/bootmem.h> #include <asm/machdep.h> diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c index f609345..efc1cd8 100644 --- a/arch/powerpc/platforms/ps3/smp.c +++ b/arch/powerpc/platforms/ps3/smp.c @@ -59,48 +59,49 @@ static void ps3_smp_message_pass(int cpu, int msg) static int ps3_smp_probe(void) { - return 2; -} + int cpu; -static void __init ps3_smp_setup_cpu(int cpu) -{ - int result; - unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu); - int i; + for (cpu = 0; cpu < 2; cpu++) { + int result; + unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu); + int i; - DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); + DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); - /* - * Check assumptions on ps3_ipi_virqs[] indexing. If this - * check fails, then a different mapping of PPC_MSG_ - * to index needs to be setup. - */ + /* + * Check assumptions on ps3_ipi_virqs[] indexing. If this + * check fails, then a different mapping of PPC_MSG_ + * to index needs to be setup. + */ - BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION != 0); - BUILD_BUG_ON(PPC_MSG_RESCHEDULE != 1); - BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2); - BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3); + BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION != 0); + BUILD_BUG_ON(PPC_MSG_RESCHEDULE != 1); + BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2); + BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3); - for (i = 0; i < MSG_COUNT; i++) { - result = ps3_event_receive_port_setup(cpu, &virqs[i]); + for (i = 0; i < MSG_COUNT; i++) { + result = ps3_event_receive_port_setup(cpu, &virqs[i]); - if (result) - continue; + if (result) + continue; - DBG("%s:%d: (%d, %d) => virq %u\n", - __func__, __LINE__, cpu, i, virqs[i]); + DBG("%s:%d: (%d, %d) => virq %u\n", + __func__, __LINE__, cpu, i, virqs[i]); - result = smp_request_message_ipi(virqs[i], i); + result = smp_request_message_ipi(virqs[i], i); - if (result) - virqs[i] = NO_IRQ; - else - ps3_register_ipi_irq(cpu, virqs[i]); - } + if (result) + virqs[i] = NO_IRQ; + else + ps3_register_ipi_irq(cpu, virqs[i]); + } - ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]); + ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]); - DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu); + DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu); + } + + return 2; } void ps3_smp_cleanup_cpu(int cpu) @@ -123,7 +124,6 @@ static struct smp_ops_t ps3_smp_ops = { .probe = ps3_smp_probe, .message_pass = ps3_smp_message_pass, .kick_cpu = smp_generic_kick_cpu, - .setup_cpu = ps3_smp_setup_cpu, }; void smp_init_ps3(void) diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c index 375a9f9..451fad1 100644 --- a/arch/powerpc/platforms/ps3/spu.c +++ b/arch/powerpc/platforms/ps3/spu.c @@ -22,6 +22,7 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/mmzone.h> +#include <linux/export.h> #include <linux/io.h> #include <linux/mm.h> diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c index 23083c3..880eb9c 100644 --- a/arch/powerpc/platforms/ps3/system-bus.c +++ b/arch/powerpc/platforms/ps3/system-bus.c @@ -20,7 +20,7 @@ #include <linux/kernel.h> #include <linux/init.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/dma-mapping.h> #include <linux/err.h> #include <linux/slab.h> @@ -695,12 +695,18 @@ static int ps3_dma_supported(struct device *_dev, u64 mask) return mask >= DMA_BIT_MASK(32); } +static u64 ps3_dma_get_required_mask(struct device *_dev) +{ + return DMA_BIT_MASK(32); +} + static struct dma_map_ops ps3_sb_dma_ops = { .alloc_coherent = ps3_alloc_coherent, .free_coherent = ps3_free_coherent, .map_sg = ps3_sb_map_sg, .unmap_sg = ps3_sb_unmap_sg, .dma_supported = ps3_dma_supported, + .get_required_mask = ps3_dma_get_required_mask, .map_page = ps3_sb_map_page, .unmap_page = ps3_unmap_page, }; @@ -711,6 +717,7 @@ static struct dma_map_ops ps3_ioc0_dma_ops = { .map_sg = ps3_ioc0_map_sg, .unmap_sg = ps3_ioc0_unmap_sg, .dma_supported = ps3_dma_supported, + .get_required_mask = ps3_dma_get_required_mask, .map_page = ps3_ioc0_map_page, .unmap_page = ps3_unmap_page, }; diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index 71af4c5..c81f6bb 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -1,6 +1,7 @@ config PPC_PSERIES depends on PPC64 && PPC_BOOK3S bool "IBM pSeries & new (POWER5-based) iSeries" + select HAVE_PCSPKR_PLATFORM select MPIC select PCI_MSI select PPC_XICS @@ -14,6 +15,7 @@ config PPC_PSERIES select PPC_UDBG_16550 select PPC_NATIVE select PPC_PCI_CHOICE if EXPERT + select ZLIB_DEFLATE default y config PPC_SPLPAR diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c index 82766e5..2767276 100644 --- a/arch/powerpc/platforms/pseries/dlpar.c +++ b/arch/powerpc/platforms/pseries/dlpar.c @@ -266,12 +266,11 @@ int dlpar_attach_node(struct device_node *dn) if (!dn->parent) return -ENOMEM; - rc = blocking_notifier_call_chain(&pSeries_reconfig_chain, - PSERIES_RECONFIG_ADD, dn); - if (rc == NOTIFY_BAD) { + rc = pSeries_reconfig_notify(PSERIES_RECONFIG_ADD, dn); + if (rc) { printk(KERN_ERR "Failed to add device node %s\n", dn->full_name); - return -ENOMEM; /* For now, safe to assume kmalloc failure */ + return rc; } of_attach_node(dn); @@ -301,8 +300,7 @@ int dlpar_detach_node(struct device_node *dn) remove_proc_entry(dn->pde->name, parent->pde); #endif - blocking_notifier_call_chain(&pSeries_reconfig_chain, - PSERIES_RECONFIG_REMOVE, dn); + pSeries_reconfig_notify(PSERIES_RECONFIG_REMOVE, dn); of_detach_node(dn); of_node_put(dn); /* Must decrement the refcount */ @@ -418,6 +416,12 @@ static ssize_t dlpar_cpu_probe(const char *buf, size_t count) goto out; } + rc = dlpar_acquire_drc(drc_index); + if (rc) { + rc = -EINVAL; + goto out; + } + dn = dlpar_configure_connector(drc_index); if (!dn) { rc = -EINVAL; @@ -438,13 +442,6 @@ static ssize_t dlpar_cpu_probe(const char *buf, size_t count) kfree(dn->full_name); dn->full_name = cpu_name; - rc = dlpar_acquire_drc(drc_index); - if (rc) { - dlpar_free_cc_nodes(dn); - rc = -EINVAL; - goto out; - } - rc = dlpar_attach_node(dn); if (rc) { dlpar_release_drc(drc_index); diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 3608704..5658690 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -22,6 +22,7 @@ */ #include <linux/delay.h> +#include <linux/sched.h> /* for init_mm */ #include <linux/init.h> #include <linux/list.h> #include <linux/pci.h> @@ -29,9 +30,10 @@ #include <linux/rbtree.h> #include <linux/seq_file.h> #include <linux/spinlock.h> +#include <linux/export.h> #include <linux/of.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/eeh.h> #include <asm/eeh_event.h> #include <asm/io.h> diff --git a/arch/powerpc/platforms/pseries/eeh_cache.c b/arch/powerpc/platforms/pseries/eeh_cache.c index 8ed0d2d..fc5ae76 100644 --- a/arch/powerpc/platforms/pseries/eeh_cache.c +++ b/arch/powerpc/platforms/pseries/eeh_cache.c @@ -25,7 +25,7 @@ #include <linux/rbtree.h> #include <linux/slab.h> #include <linux/spinlock.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/pci-bridge.h> #include <asm/ppc-pci.h> diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c index 1b6cb10..a0a4e8a 100644 --- a/arch/powerpc/platforms/pseries/eeh_driver.c +++ b/arch/powerpc/platforms/pseries/eeh_driver.c @@ -25,6 +25,7 @@ #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/module.h> #include <linux/pci.h> #include <asm/eeh.h> #include <asm/eeh_event.h> @@ -41,6 +42,41 @@ static inline const char * pcid_name (struct pci_dev *pdev) return ""; } +/** + * eeh_pcid_get - Get the PCI device driver + * @pdev: PCI device + * + * The function is used to retrieve the PCI device driver for + * the indicated PCI device. Besides, we will increase the reference + * of the PCI device driver to prevent that being unloaded on + * the fly. Otherwise, kernel crash would be seen. + */ +static inline struct pci_driver *eeh_pcid_get(struct pci_dev *pdev) +{ + if (!pdev || !pdev->driver) + return NULL; + + if (!try_module_get(pdev->driver->driver.owner)) + return NULL; + + return pdev->driver; +} + +/** + * eeh_pcid_put - Dereference on the PCI device driver + * @pdev: PCI device + * + * The function is called to do dereference on the PCI device + * driver of the indicated PCI device. + */ +static inline void eeh_pcid_put(struct pci_dev *pdev) +{ + if (!pdev || !pdev->driver) + return; + + module_put(pdev->driver->driver.owner); +} + #if 0 static void print_device_node_tree(struct pci_dn *pdn, int dent) { @@ -109,18 +145,20 @@ static void eeh_enable_irq(struct pci_dev *dev) static int eeh_report_error(struct pci_dev *dev, void *userdata) { enum pci_ers_result rc, *res = userdata; - struct pci_driver *driver = dev->driver; + struct pci_driver *driver; dev->error_state = pci_channel_io_frozen; - if (!driver) - return 0; + driver = eeh_pcid_get(dev); + if (!driver) return 0; eeh_disable_irq(dev); if (!driver->err_handler || - !driver->err_handler->error_detected) + !driver->err_handler->error_detected) { + eeh_pcid_put(dev); return 0; + } rc = driver->err_handler->error_detected (dev, pci_channel_io_frozen); @@ -128,6 +166,7 @@ static int eeh_report_error(struct pci_dev *dev, void *userdata) if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc; if (*res == PCI_ERS_RESULT_NONE) *res = rc; + eeh_pcid_put(dev); return 0; } @@ -142,12 +181,15 @@ static int eeh_report_error(struct pci_dev *dev, void *userdata) static int eeh_report_mmio_enabled(struct pci_dev *dev, void *userdata) { enum pci_ers_result rc, *res = userdata; - struct pci_driver *driver = dev->driver; + struct pci_driver *driver; - if (!driver || - !driver->err_handler || - !driver->err_handler->mmio_enabled) + driver = eeh_pcid_get(dev); + if (!driver) return 0; + if (!driver->err_handler || + !driver->err_handler->mmio_enabled) { + eeh_pcid_put(dev); return 0; + } rc = driver->err_handler->mmio_enabled (dev); @@ -155,6 +197,7 @@ static int eeh_report_mmio_enabled(struct pci_dev *dev, void *userdata) if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc; if (*res == PCI_ERS_RESULT_NONE) *res = rc; + eeh_pcid_put(dev); return 0; } @@ -165,18 +208,20 @@ static int eeh_report_mmio_enabled(struct pci_dev *dev, void *userdata) static int eeh_report_reset(struct pci_dev *dev, void *userdata) { enum pci_ers_result rc, *res = userdata; - struct pci_driver *driver = dev->driver; - - if (!driver) - return 0; + struct pci_driver *driver; dev->error_state = pci_channel_io_normal; + driver = eeh_pcid_get(dev); + if (!driver) return 0; + eeh_enable_irq(dev); if (!driver->err_handler || - !driver->err_handler->slot_reset) + !driver->err_handler->slot_reset) { + eeh_pcid_put(dev); return 0; + } rc = driver->err_handler->slot_reset(dev); if ((*res == PCI_ERS_RESULT_NONE) || @@ -184,6 +229,7 @@ static int eeh_report_reset(struct pci_dev *dev, void *userdata) if (*res == PCI_ERS_RESULT_DISCONNECT && rc == PCI_ERS_RESULT_NEED_RESET) *res = rc; + eeh_pcid_put(dev); return 0; } @@ -193,21 +239,24 @@ static int eeh_report_reset(struct pci_dev *dev, void *userdata) static int eeh_report_resume(struct pci_dev *dev, void *userdata) { - struct pci_driver *driver = dev->driver; + struct pci_driver *driver; dev->error_state = pci_channel_io_normal; - if (!driver) - return 0; + driver = eeh_pcid_get(dev); + if (!driver) return 0; eeh_enable_irq(dev); if (!driver->err_handler || - !driver->err_handler->resume) + !driver->err_handler->resume) { + eeh_pcid_put(dev); return 0; + } driver->err_handler->resume(dev); + eeh_pcid_put(dev); return 0; } @@ -220,21 +269,24 @@ static int eeh_report_resume(struct pci_dev *dev, void *userdata) static int eeh_report_failure(struct pci_dev *dev, void *userdata) { - struct pci_driver *driver = dev->driver; + struct pci_driver *driver; dev->error_state = pci_channel_io_perm_failure; - if (!driver) - return 0; + driver = eeh_pcid_get(dev); + if (!driver) return 0; eeh_disable_irq(dev); if (!driver->err_handler || - !driver->err_handler->error_detected) + !driver->err_handler->error_detected) { + eeh_pcid_put(dev); return 0; + } driver->err_handler->error_detected(dev, pci_channel_io_perm_failure); + eeh_pcid_put(dev); return 0; } diff --git a/arch/powerpc/platforms/pseries/eeh_event.c b/arch/powerpc/platforms/pseries/eeh_event.c index 2ec500c..d2383cf 100644 --- a/arch/powerpc/platforms/pseries/eeh_event.c +++ b/arch/powerpc/platforms/pseries/eeh_event.c @@ -21,6 +21,7 @@ #include <linux/delay.h> #include <linux/list.h> #include <linux/mutex.h> +#include <linux/sched.h> #include <linux/pci.h> #include <linux/slab.h> #include <linux/workqueue.h> diff --git a/arch/powerpc/platforms/pseries/eeh_sysfs.c b/arch/powerpc/platforms/pseries/eeh_sysfs.c index 23982c7..eb744ee 100644 --- a/arch/powerpc/platforms/pseries/eeh_sysfs.c +++ b/arch/powerpc/platforms/pseries/eeh_sysfs.c @@ -23,6 +23,7 @@ * Send comments and feedback to Linas Vepstas <linas@austin.ibm.com> */ #include <linux/pci.h> +#include <linux/stat.h> #include <asm/ppc-pci.h> #include <asm/pci-bridge.h> diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index 46f13a3..c986d08 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -21,6 +21,7 @@ #include <linux/kernel.h> #include <linux/interrupt.h> #include <linux/delay.h> +#include <linux/sched.h> /* for idle_task_exit */ #include <linux/cpu.h> #include <asm/system.h> #include <asm/prom.h> @@ -135,7 +136,7 @@ static void pseries_mach_cpu_die(void) get_lppaca()->idle = 0; if (get_preferred_offline_state(cpu) == CPU_STATE_ONLINE) { - unregister_slb_shadow(hwcpu, __pa(get_slb_shadow())); + unregister_slb_shadow(hwcpu); /* * Call to start_secondary_resume() will not return. @@ -150,7 +151,7 @@ static void pseries_mach_cpu_die(void) WARN_ON(get_preferred_offline_state(cpu) != CPU_STATE_OFFLINE); set_cpu_current_state(cpu, CPU_STATE_OFFLINE); - unregister_slb_shadow(hwcpu, __pa(get_slb_shadow())); + unregister_slb_shadow(hwcpu); rtas_stop_self(); /* Should never get here... */ @@ -330,21 +331,17 @@ static void pseries_remove_processor(struct device_node *np) static int pseries_smp_notifier(struct notifier_block *nb, unsigned long action, void *node) { - int err = NOTIFY_OK; + int err = 0; switch (action) { case PSERIES_RECONFIG_ADD: - if (pseries_add_processor(node)) - err = NOTIFY_BAD; + err = pseries_add_processor(node); break; case PSERIES_RECONFIG_REMOVE: pseries_remove_processor(node); break; - default: - err = NOTIFY_DONE; - break; } - return err; + return notifier_from_errno(err); } static struct notifier_block pseries_smp_nb = { diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index 9d6a8ef..11d8e05 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -205,27 +205,21 @@ static int pseries_drconf_memory(unsigned long *base, unsigned int action) static int pseries_memory_notifier(struct notifier_block *nb, unsigned long action, void *node) { - int err = NOTIFY_OK; + int err = 0; switch (action) { case PSERIES_RECONFIG_ADD: - if (pseries_add_memory(node)) - err = NOTIFY_BAD; + err = pseries_add_memory(node); break; case PSERIES_RECONFIG_REMOVE: - if (pseries_remove_memory(node)) - err = NOTIFY_BAD; + err = pseries_remove_memory(node); break; case PSERIES_DRCONF_MEM_ADD: case PSERIES_DRCONF_MEM_REMOVE: - if (pseries_drconf_memory(node, action)) - err = NOTIFY_BAD; - break; - default: - err = NOTIFY_DONE; + err = pseries_drconf_memory(node, action); break; } - return err; + return notifier_from_errno(err); } static struct notifier_block pseries_mem_nb = { diff --git a/arch/powerpc/platforms/pseries/hvconsole.c b/arch/powerpc/platforms/pseries/hvconsole.c index 041e87c..b344f94 100644 --- a/arch/powerpc/platforms/pseries/hvconsole.c +++ b/arch/powerpc/platforms/pseries/hvconsole.c @@ -24,7 +24,8 @@ */ #include <linux/kernel.h> -#include <linux/module.h> +#include <linux/export.h> +#include <linux/errno.h> #include <asm/hvcall.h> #include <asm/hvconsole.h> #include "plpar_wrappers.h" diff --git a/arch/powerpc/platforms/pseries/io_event_irq.c b/arch/powerpc/platforms/pseries/io_event_irq.c index c829e60..1a709bc 100644 --- a/arch/powerpc/platforms/pseries/io_event_irq.c +++ b/arch/powerpc/platforms/pseries/io_event_irq.c @@ -9,7 +9,7 @@ #include <linux/errno.h> #include <linux/slab.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/irq.h> #include <linux/interrupt.h> #include <linux/of.h> @@ -212,17 +212,15 @@ static int __init ioei_init(void) struct device_node *np; ioei_check_exception_token = rtas_token("check-exception"); - if (ioei_check_exception_token == RTAS_UNKNOWN_SERVICE) { - pr_warning("IO Event IRQ not supported on this system !\n"); + if (ioei_check_exception_token == RTAS_UNKNOWN_SERVICE) return -ENODEV; - } + np = of_find_node_by_path("/event-sources/ibm,io-events"); if (np) { request_event_sources_irqs(np, ioei_interrupt, "IO_EVENT"); + pr_info("IBM I/O event interrupts enabled\n"); of_node_put(np); } else { - pr_err("io_event_irq: No ibm,io-events on system! " - "IO Event interrupt disabled.\n"); return -ENODEV; } return 0; diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 01faab9..b719d97 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -29,6 +29,7 @@ #include <linux/slab.h> #include <linux/mm.h> #include <linux/spinlock.h> +#include <linux/sched.h> /* for show_stack */ #include <linux/string.h> #include <linux/pci.h> #include <linux/dma-mapping.h> @@ -939,14 +940,14 @@ static u64 enable_ddw(struct pci_dev *dev, struct device_node *pdn) if (ret) { dev_info(&dev->dev, "failed to map direct window for %s: %d\n", dn->full_name, ret); - goto out_clear_window; + goto out_free_window; } ret = prom_add_property(pdn, win64); if (ret) { dev_err(&dev->dev, "unable to add dma window property for %s: %d", pdn->full_name, ret); - goto out_clear_window; + goto out_free_window; } window->device = pdn; @@ -958,6 +959,9 @@ static u64 enable_ddw(struct pci_dev *dev, struct device_node *pdn) dma_addr = of_read_number(&create.addr_hi, 2); goto out_unlock; +out_free_window: + kfree(window); + out_clear_window: remove_ddw(pdn); @@ -1077,12 +1081,38 @@ check_mask: return 0; } +static u64 dma_get_required_mask_pSeriesLP(struct device *dev) +{ + if (!dev->dma_mask) + return 0; + + if (!disable_ddw && dev_is_pci(dev)) { + struct pci_dev *pdev = to_pci_dev(dev); + struct device_node *dn; + + dn = pci_device_to_OF_node(pdev); + + /* search upwards for ibm,dma-window */ + for (; dn && PCI_DN(dn) && !PCI_DN(dn)->iommu_table; + dn = dn->parent) + if (of_get_property(dn, "ibm,dma-window", NULL)) + break; + /* if there is a ibm,ddw-applicable property require 64 bits */ + if (dn && PCI_DN(dn) && + of_get_property(dn, "ibm,ddw-applicable", NULL)) + return DMA_BIT_MASK(64); + } + + return dma_iommu_ops.get_required_mask(dev); +} + #else /* CONFIG_PCI */ #define pci_dma_bus_setup_pSeries NULL #define pci_dma_dev_setup_pSeries NULL #define pci_dma_bus_setup_pSeriesLP NULL #define pci_dma_dev_setup_pSeriesLP NULL #define dma_set_mask_pSeriesLP NULL +#define dma_get_required_mask_pSeriesLP NULL #endif /* !CONFIG_PCI */ static int iommu_mem_notifier(struct notifier_block *nb, unsigned long action, @@ -1186,6 +1216,7 @@ void iommu_init_early_pSeries(void) ppc_md.pci_dma_bus_setup = pci_dma_bus_setup_pSeriesLP; ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_pSeriesLP; ppc_md.dma_set_mask = dma_set_mask_pSeriesLP; + ppc_md.dma_get_required_mask = dma_get_required_mask_pSeriesLP; } else { ppc_md.tce_build = tce_build_pSeries; ppc_md.tce_free = tce_free_pSeries; diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c index 1118cb7..7d94bdc 100644 --- a/arch/powerpc/platforms/pseries/kexec.c +++ b/arch/powerpc/platforms/pseries/kexec.c @@ -25,31 +25,30 @@ static void pseries_kexec_cpu_down(int crash_shutdown, int secondary) { /* Don't risk a hypervisor call if we're crashing */ if (firmware_has_feature(FW_FEATURE_SPLPAR) && !crash_shutdown) { - unsigned long addr; int ret; + int cpu = smp_processor_id(); + int hwcpu = hard_smp_processor_id(); if (get_lppaca()->dtl_enable_mask) { - ret = unregister_dtl(hard_smp_processor_id()); + ret = unregister_dtl(hwcpu); if (ret) { pr_err("WARNING: DTL deregistration for cpu " "%d (hw %d) failed with %d\n", - smp_processor_id(), - hard_smp_processor_id(), ret); + cpu, hwcpu, ret); } } - addr = __pa(get_slb_shadow()); - if (unregister_slb_shadow(hard_smp_processor_id(), addr)) - printk("SLB shadow buffer deregistration of " - "cpu %u (hw_cpu_id %d) failed\n", - smp_processor_id(), - hard_smp_processor_id()); + ret = unregister_slb_shadow(hwcpu); + if (ret) { + pr_err("WARNING: SLB shadow buffer deregistration " + "for cpu %d (hw %d) failed with %d\n", + cpu, hwcpu, ret); + } - addr = __pa(get_lppaca()); - if (unregister_vpa(hard_smp_processor_id(), addr)) { - printk("VPA deregistration of cpu %u (hw_cpu_id %d) " - "failed\n", smp_processor_id(), - hard_smp_processor_id()); + ret = unregister_vpa(hwcpu); + if (ret) { + pr_err("WARNING: VPA deregistration for cpu %d " + "(hw %d) failed with %d\n", cpu, hwcpu, ret); } } } diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 2e0b2a7..eb19b6c 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -25,6 +25,7 @@ #include <linux/kernel.h> #include <linux/dma-mapping.h> #include <linux/console.h> +#include <linux/export.h> #include <asm/processor.h> #include <asm/mmu.h> #include <asm/page.h> @@ -52,197 +53,6 @@ EXPORT_SYMBOL(plpar_hcall_norets); extern void pSeries_find_serial_port(void); - -static int vtermno; /* virtual terminal# for udbg */ - -#define __ALIGNED__ __attribute__((__aligned__(sizeof(long)))) -static void udbg_hvsi_putc(char c) -{ - /* packet's seqno isn't used anyways */ - uint8_t packet[] __ALIGNED__ = { 0xff, 5, 0, 0, c }; - int rc; - - if (c == '\n') - udbg_hvsi_putc('\r'); - - do { - rc = plpar_put_term_char(vtermno, sizeof(packet), packet); - } while (rc == H_BUSY); -} - -static long hvsi_udbg_buf_len; -static uint8_t hvsi_udbg_buf[256]; - -static int udbg_hvsi_getc_poll(void) -{ - unsigned char ch; - int rc, i; - - if (hvsi_udbg_buf_len == 0) { - rc = plpar_get_term_char(vtermno, &hvsi_udbg_buf_len, hvsi_udbg_buf); - if (rc != H_SUCCESS || hvsi_udbg_buf[0] != 0xff) { - /* bad read or non-data packet */ - hvsi_udbg_buf_len = 0; - } else { - /* remove the packet header */ - for (i = 4; i < hvsi_udbg_buf_len; i++) - hvsi_udbg_buf[i-4] = hvsi_udbg_buf[i]; - hvsi_udbg_buf_len -= 4; - } - } - - if (hvsi_udbg_buf_len <= 0 || hvsi_udbg_buf_len > 256) { - /* no data ready */ - hvsi_udbg_buf_len = 0; - return -1; - } - - ch = hvsi_udbg_buf[0]; - /* shift remaining data down */ - for (i = 1; i < hvsi_udbg_buf_len; i++) { - hvsi_udbg_buf[i-1] = hvsi_udbg_buf[i]; - } - hvsi_udbg_buf_len--; - - return ch; -} - -static int udbg_hvsi_getc(void) -{ - int ch; - for (;;) { - ch = udbg_hvsi_getc_poll(); - if (ch == -1) { - /* This shouldn't be needed...but... */ - volatile unsigned long delay; - for (delay=0; delay < 2000000; delay++) - ; - } else { - return ch; - } - } -} - -static void udbg_putcLP(char c) -{ - char buf[16]; - unsigned long rc; - - if (c == '\n') - udbg_putcLP('\r'); - - buf[0] = c; - do { - rc = plpar_put_term_char(vtermno, 1, buf); - } while(rc == H_BUSY); -} - -/* Buffered chars getc */ -static long inbuflen; -static long inbuf[2]; /* must be 2 longs */ - -static int udbg_getc_pollLP(void) -{ - /* The interface is tricky because it may return up to 16 chars. - * We save them statically for future calls to udbg_getc(). - */ - char ch, *buf = (char *)inbuf; - int i; - long rc; - if (inbuflen == 0) { - /* get some more chars. */ - inbuflen = 0; - rc = plpar_get_term_char(vtermno, &inbuflen, buf); - if (rc != H_SUCCESS) - inbuflen = 0; /* otherwise inbuflen is garbage */ - } - if (inbuflen <= 0 || inbuflen > 16) { - /* Catch error case as well as other oddities (corruption) */ - inbuflen = 0; - return -1; - } - ch = buf[0]; - for (i = 1; i < inbuflen; i++) /* shuffle them down. */ - buf[i-1] = buf[i]; - inbuflen--; - return ch; -} - -static int udbg_getcLP(void) -{ - int ch; - for (;;) { - ch = udbg_getc_pollLP(); - if (ch == -1) { - /* This shouldn't be needed...but... */ - volatile unsigned long delay; - for (delay=0; delay < 2000000; delay++) - ; - } else { - return ch; - } - } -} - -/* call this from early_init() for a working debug console on - * vterm capable LPAR machines - */ -void __init udbg_init_debug_lpar(void) -{ - vtermno = 0; - udbg_putc = udbg_putcLP; - udbg_getc = udbg_getcLP; - udbg_getc_poll = udbg_getc_pollLP; - - register_early_udbg_console(); -} - -/* returns 0 if couldn't find or use /chosen/stdout as console */ -void __init find_udbg_vterm(void) -{ - struct device_node *stdout_node; - const u32 *termno; - const char *name; - - /* find the boot console from /chosen/stdout */ - if (!of_chosen) - return; - name = of_get_property(of_chosen, "linux,stdout-path", NULL); - if (name == NULL) - return; - stdout_node = of_find_node_by_path(name); - if (!stdout_node) - return; - name = of_get_property(stdout_node, "name", NULL); - if (!name) { - printk(KERN_WARNING "stdout node missing 'name' property!\n"); - goto out; - } - - /* Check if it's a virtual terminal */ - if (strncmp(name, "vty", 3) != 0) - goto out; - termno = of_get_property(stdout_node, "reg", NULL); - if (termno == NULL) - goto out; - vtermno = termno[0]; - - if (of_device_is_compatible(stdout_node, "hvterm1")) { - udbg_putc = udbg_putcLP; - udbg_getc = udbg_getcLP; - udbg_getc_poll = udbg_getc_pollLP; - add_preferred_console("hvc", termno[0] & 0xff, NULL); - } else if (of_device_is_compatible(stdout_node, "hvterm-protocol")) { - vtermno = termno[0]; - udbg_putc = udbg_hvsi_putc; - udbg_getc = udbg_hvsi_getc; - udbg_getc_poll = udbg_hvsi_getc_poll; - add_preferred_console("hvsi", termno[0] & 0xff, NULL); - } -out: - of_node_put(stdout_node); -} - void vpa_init(int cpu) { int hwcpu = get_hard_smp_processor_id(cpu); @@ -258,9 +68,8 @@ void vpa_init(int cpu) ret = register_vpa(hwcpu, addr); if (ret) { - printk(KERN_ERR "WARNING: vpa_init: VPA registration for " - "cpu %d (hw %d) of area %lx returns %ld\n", - cpu, hwcpu, addr, ret); + pr_err("WARNING: VPA registration for cpu %d (hw %d) of area " + "%lx failed with %ld\n", cpu, hwcpu, addr, ret); return; } /* @@ -271,10 +80,9 @@ void vpa_init(int cpu) if (firmware_has_feature(FW_FEATURE_SPLPAR)) { ret = register_slb_shadow(hwcpu, addr); if (ret) - printk(KERN_ERR - "WARNING: vpa_init: SLB shadow buffer " - "registration for cpu %d (hw %d) of area %lx " - "returns %ld\n", cpu, hwcpu, addr, ret); + pr_err("WARNING: SLB shadow buffer registration for " + "cpu %d (hw %d) of area %lx failed with %ld\n", + cpu, hwcpu, addr, ret); } /* @@ -291,8 +99,9 @@ void vpa_init(int cpu) dtl->enqueue_to_dispatch_time = DISPATCH_LOG_BYTES; ret = register_dtl(hwcpu, __pa(dtl)); if (ret) - pr_warn("DTL registration failed for cpu %d (%ld)\n", - cpu, ret); + pr_err("WARNING: DTL registration of cpu %d (hw %d) " + "failed with %ld\n", smp_processor_id(), + hwcpu, ret); lppaca_of(cpu).dtl_enable_mask = 2; } } diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c index 3e7f651..029a562 100644 --- a/arch/powerpc/platforms/pseries/mobility.c +++ b/arch/powerpc/platforms/pseries/mobility.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/kobject.h> #include <linux/smp.h> +#include <linux/stat.h> #include <linux/completion.h> #include <linux/device.h> #include <linux/delay.h> diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c index 00cc3a0..a76b228 100644 --- a/arch/powerpc/platforms/pseries/nvram.c +++ b/arch/powerpc/platforms/pseries/nvram.c @@ -18,6 +18,8 @@ #include <linux/spinlock.h> #include <linux/slab.h> #include <linux/kmsg_dump.h> +#include <linux/ctype.h> +#include <linux/zlib.h> #include <asm/uaccess.h> #include <asm/nvram.h> #include <asm/rtas.h> @@ -78,8 +80,41 @@ static struct kmsg_dumper nvram_kmsg_dumper = { #define NVRAM_RTAS_READ_TIMEOUT 5 /* seconds */ static unsigned long last_unread_rtas_event; /* timestamp */ -/* We preallocate oops_buf during init to avoid kmalloc during oops/panic. */ -static char *oops_buf; +/* + * For capturing and compressing an oops or panic report... + + * big_oops_buf[] holds the uncompressed text we're capturing. + * + * oops_buf[] holds the compressed text, preceded by a prefix. + * The prefix is just a u16 holding the length of the compressed* text. + * (*Or uncompressed, if compression fails.) oops_buf[] gets written + * to NVRAM. + * + * oops_len points to the prefix. oops_data points to the compressed text. + * + * +- oops_buf + * | +- oops_data + * v v + * +------------+-----------------------------------------------+ + * | length | text | + * | (2 bytes) | (oops_data_sz bytes) | + * +------------+-----------------------------------------------+ + * ^ + * +- oops_len + * + * We preallocate these buffers during init to avoid kmalloc during oops/panic. + */ +static size_t big_oops_buf_sz; +static char *big_oops_buf, *oops_buf; +static u16 *oops_len; +static char *oops_data; +static size_t oops_data_sz; + +/* Compression parameters */ +#define COMPR_LEVEL 6 +#define WINDOW_BITS 12 +#define MEM_LEVEL 4 +static struct z_stream_s stream; static ssize_t pSeries_nvram_read(char *buf, size_t count, loff_t *index) { @@ -387,11 +422,44 @@ static void __init nvram_init_oops_partition(int rtas_partition_exists) sizeof(rtas_log_partition)); } oops_buf = kmalloc(oops_log_partition.size, GFP_KERNEL); + if (!oops_buf) { + pr_err("nvram: No memory for %s partition\n", + oops_log_partition.name); + return; + } + oops_len = (u16*) oops_buf; + oops_data = oops_buf + sizeof(u16); + oops_data_sz = oops_log_partition.size - sizeof(u16); + + /* + * Figure compression (preceded by elimination of each line's <n> + * severity prefix) will reduce the oops/panic report to at most + * 45% of its original size. + */ + big_oops_buf_sz = (oops_data_sz * 100) / 45; + big_oops_buf = kmalloc(big_oops_buf_sz, GFP_KERNEL); + if (big_oops_buf) { + stream.workspace = kmalloc(zlib_deflate_workspacesize( + WINDOW_BITS, MEM_LEVEL), GFP_KERNEL); + if (!stream.workspace) { + pr_err("nvram: No memory for compression workspace; " + "skipping compression of %s partition data\n", + oops_log_partition.name); + kfree(big_oops_buf); + big_oops_buf = NULL; + } + } else { + pr_err("No memory for uncompressed %s data; " + "skipping compression\n", oops_log_partition.name); + stream.workspace = NULL; + } + rc = kmsg_dump_register(&nvram_kmsg_dumper); if (rc != 0) { pr_err("nvram: kmsg_dump_register() failed; returned %d\n", rc); kfree(oops_buf); - return; + kfree(big_oops_buf); + kfree(stream.workspace); } } @@ -473,7 +541,83 @@ static int clobbering_unread_rtas_event(void) NVRAM_RTAS_READ_TIMEOUT); } -/* our kmsg_dump callback */ +/* Squeeze out each line's <n> severity prefix. */ +static size_t elide_severities(char *buf, size_t len) +{ + char *in, *out, *buf_end = buf + len; + /* Assume a <n> at the very beginning marks the start of a line. */ + int newline = 1; + + in = out = buf; + while (in < buf_end) { + if (newline && in+3 <= buf_end && + *in == '<' && isdigit(in[1]) && in[2] == '>') { + in += 3; + newline = 0; + } else { + newline = (*in == '\n'); + *out++ = *in++; + } + } + return out - buf; +} + +/* Derived from logfs_compress() */ +static int nvram_compress(const void *in, void *out, size_t inlen, + size_t outlen) +{ + int err, ret; + + ret = -EIO; + err = zlib_deflateInit2(&stream, COMPR_LEVEL, Z_DEFLATED, WINDOW_BITS, + MEM_LEVEL, Z_DEFAULT_STRATEGY); + if (err != Z_OK) + goto error; + + stream.next_in = in; + stream.avail_in = inlen; + stream.total_in = 0; + stream.next_out = out; + stream.avail_out = outlen; + stream.total_out = 0; + + err = zlib_deflate(&stream, Z_FINISH); + if (err != Z_STREAM_END) + goto error; + + err = zlib_deflateEnd(&stream); + if (err != Z_OK) + goto error; + + if (stream.total_out >= stream.total_in) + goto error; + + ret = stream.total_out; +error: + return ret; +} + +/* Compress the text from big_oops_buf into oops_buf. */ +static int zip_oops(size_t text_len) +{ + int zipped_len = nvram_compress(big_oops_buf, oops_data, text_len, + oops_data_sz); + if (zipped_len < 0) { + pr_err("nvram: compression failed; returned %d\n", zipped_len); + pr_err("nvram: logging uncompressed oops/panic report\n"); + return -1; + } + *oops_len = (u16) zipped_len; + return 0; +} + +/* + * This is our kmsg_dump callback, called after an oops or panic report + * has been written to the printk buffer. We want to capture as much + * of the printk buffer as possible. First, capture as much as we can + * that we think will compress sufficiently to fit in the lnx,oops-log + * partition. If that's too much, go back and capture uncompressed text. + */ static void oops_to_nvram(struct kmsg_dumper *dumper, enum kmsg_dump_reason reason, const char *old_msgs, unsigned long old_len, @@ -482,6 +626,8 @@ static void oops_to_nvram(struct kmsg_dumper *dumper, static unsigned int oops_count = 0; static bool panicking = false; size_t text_len; + unsigned int err_type = ERR_TYPE_KERNEL_PANIC_GZ; + int rc = -1; switch (reason) { case KMSG_DUMP_RESTART: @@ -509,8 +655,19 @@ static void oops_to_nvram(struct kmsg_dumper *dumper, if (clobbering_unread_rtas_event()) return; - text_len = capture_last_msgs(old_msgs, old_len, new_msgs, new_len, - oops_buf, oops_log_partition.size); + if (big_oops_buf) { + text_len = capture_last_msgs(old_msgs, old_len, + new_msgs, new_len, big_oops_buf, big_oops_buf_sz); + text_len = elide_severities(big_oops_buf, text_len); + rc = zip_oops(text_len); + } + if (rc != 0) { + text_len = capture_last_msgs(old_msgs, old_len, + new_msgs, new_len, oops_data, oops_data_sz); + err_type = ERR_TYPE_KERNEL_PANIC; + *oops_len = (u16) text_len; + } + (void) nvram_write_os_partition(&oops_log_partition, oops_buf, - (int) text_len, ERR_TYPE_KERNEL_PANIC, ++oops_count); + (int) (sizeof(*oops_len) + *oops_len), err_type, ++oops_count); } diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c index 3bf4488..55d4ec1 100644 --- a/arch/powerpc/platforms/pseries/pci_dlpar.c +++ b/arch/powerpc/platforms/pseries/pci_dlpar.c @@ -26,6 +26,7 @@ */ #include <linux/pci.h> +#include <linux/export.h> #include <asm/pci-bridge.h> #include <asm/ppc-pci.h> #include <asm/firmware.h> diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h index a6921ae..342797f 100644 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h @@ -1,7 +1,10 @@ #ifndef _PSERIES_PLPAR_WRAPPERS_H #define _PSERIES_PLPAR_WRAPPERS_H +#include <linux/string.h> + #include <asm/hvcall.h> +#include <asm/paca.h> #include <asm/page.h> /* Get state of physical CPU from query_cpu_stopped */ @@ -53,9 +56,9 @@ static inline long vpa_call(unsigned long flags, unsigned long cpu, return plpar_hcall_norets(H_REGISTER_VPA, flags, cpu, vpa); } -static inline long unregister_vpa(unsigned long cpu, unsigned long vpa) +static inline long unregister_vpa(unsigned long cpu) { - return vpa_call(0x5, cpu, vpa); + return vpa_call(0x5, cpu, 0); } static inline long register_vpa(unsigned long cpu, unsigned long vpa) @@ -63,9 +66,9 @@ static inline long register_vpa(unsigned long cpu, unsigned long vpa) return vpa_call(0x1, cpu, vpa); } -static inline long unregister_slb_shadow(unsigned long cpu, unsigned long vpa) +static inline long unregister_slb_shadow(unsigned long cpu) { - return vpa_call(0x7, cpu, vpa); + return vpa_call(0x7, cpu, 0); } static inline long register_slb_shadow(unsigned long cpu, unsigned long vpa) diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h index e9f6d28..24c7162 100644 --- a/arch/powerpc/platforms/pseries/pseries.h +++ b/arch/powerpc/platforms/pseries/pseries.h @@ -47,7 +47,8 @@ extern void pSeries_final_fixup(void); /* Poweron flag used for enabling auto ups restart */ extern unsigned long rtas_poweron_auto; -extern void find_udbg_vterm(void); +/* Provided by HVC VIO */ +extern void hvc_vio_init_early(void); /* Dynamic logical Partitioning/Mobility */ extern void dlpar_free_cc_nodes(struct device_node *); diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index 1de2cbb..168651a 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -97,7 +97,7 @@ static struct device_node *derive_parent(const char *path) return parent; } -BLOCKING_NOTIFIER_HEAD(pSeries_reconfig_chain); +static BLOCKING_NOTIFIER_HEAD(pSeries_reconfig_chain); int pSeries_reconfig_notifier_register(struct notifier_block *nb) { @@ -109,6 +109,14 @@ void pSeries_reconfig_notifier_unregister(struct notifier_block *nb) blocking_notifier_chain_unregister(&pSeries_reconfig_chain, nb); } +int pSeries_reconfig_notify(unsigned long action, void *p) +{ + int err = blocking_notifier_call_chain(&pSeries_reconfig_chain, + action, p); + + return notifier_to_errno(err); +} + static int pSeries_reconfig_add_node(const char *path, struct property *proplist) { struct device_node *np; @@ -132,11 +140,9 @@ static int pSeries_reconfig_add_node(const char *path, struct property *proplist goto out_err; } - err = blocking_notifier_call_chain(&pSeries_reconfig_chain, - PSERIES_RECONFIG_ADD, np); - if (err == NOTIFY_BAD) { + err = pSeries_reconfig_notify(PSERIES_RECONFIG_ADD, np); + if (err) { printk(KERN_ERR "Failed to add device node %s\n", path); - err = -ENOMEM; /* For now, safe to assume kmalloc failure */ goto out_err; } @@ -173,8 +179,7 @@ static int pSeries_reconfig_remove_node(struct device_node *np) remove_node_proc_entries(np); - blocking_notifier_call_chain(&pSeries_reconfig_chain, - PSERIES_RECONFIG_REMOVE, np); + pSeries_reconfig_notify(PSERIES_RECONFIG_REMOVE, np); of_detach_node(np); of_node_put(parent); @@ -472,11 +477,10 @@ static int do_update_property(char *buf, size_t bufsize) else action = PSERIES_DRCONF_MEM_REMOVE; - rc = blocking_notifier_call_chain(&pSeries_reconfig_chain, - action, value); - if (rc == NOTIFY_BAD) { - rc = prom_update_property(np, oldprop, newprop); - return -ENOMEM; + rc = pSeries_reconfig_notify(action, value); + if (rc) { + prom_update_property(np, oldprop, newprop); + return rc; } } diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 593acce..c3408ca 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -34,7 +34,7 @@ #include <linux/pci.h> #include <linux/utsname.h> #include <linux/adb.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/delay.h> #include <linux/irq.h> #include <linux/seq_file.h> @@ -324,8 +324,9 @@ static int alloc_dispatch_logs(void) dtl->enqueue_to_dispatch_time = DISPATCH_LOG_BYTES; ret = register_dtl(hard_smp_processor_id(), __pa(dtl)); if (ret) - pr_warn("DTL registration failed for boot cpu %d (%d)\n", - smp_processor_id(), ret); + pr_err("WARNING: DTL registration of cpu %d (hw %d) failed " + "with %d\n", smp_processor_id(), + hard_smp_processor_id(), ret); get_paca()->lppaca_ptr->dtl_enable_mask = 2; return 0; @@ -512,9 +513,10 @@ static void __init pSeries_init_early(void) { pr_debug(" -> pSeries_init_early()\n"); +#ifdef CONFIG_HVC_CONSOLE if (firmware_has_feature(FW_FEATURE_LPAR)) - find_udbg_vterm(); - + hvc_vio_init_early(); +#endif if (firmware_has_feature(FW_FEATURE_DABR)) ppc_md.set_dabr = pseries_set_dabr; else if (firmware_has_feature(FW_FEATURE_XDABR)) diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index fbffd7e..26e93fd 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -14,7 +14,6 @@ #include <linux/kernel.h> -#include <linux/module.h> #include <linux/sched.h> #include <linux/smp.h> #include <linux/interrupt.h> @@ -27,7 +26,7 @@ #include <linux/cpu.h> #include <asm/ptrace.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/irq.h> #include <asm/page.h> #include <asm/pgtable.h> @@ -44,7 +43,6 @@ #include <asm/mpic.h> #include <asm/vdso_datapage.h> #include <asm/cputhreads.h> -#include <asm/mpic.h> #include <asm/xics.h> #include "plpar_wrappers.h" @@ -207,7 +205,7 @@ static struct smp_ops_t pSeries_mpic_smp_ops = { }; static struct smp_ops_t pSeries_xics_smp_ops = { - .message_pass = smp_muxed_ipi_message_pass, + .message_pass = NULL, /* Use smp_muxed_ipi_message_pass */ .cause_ipi = NULL, /* Filled at runtime by xics_smp_probe() */ .probe = xics_smp_probe, .kick_cpu = smp_pSeries_kick_cpu, diff --git a/arch/powerpc/platforms/pseries/suspend.c b/arch/powerpc/platforms/pseries/suspend.c index a8ca289..55a4771 100644 --- a/arch/powerpc/platforms/pseries/suspend.c +++ b/arch/powerpc/platforms/pseries/suspend.c @@ -16,13 +16,16 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <linux/cpu.h> #include <linux/delay.h> #include <linux/suspend.h> +#include <linux/stat.h> #include <asm/firmware.h> #include <asm/hvcall.h> #include <asm/machdep.h> #include <asm/mmu.h> #include <asm/rtas.h> +#include <asm/topology.h> static u64 stream_id; static struct sys_device suspend_sysdev; @@ -124,11 +127,15 @@ static ssize_t store_hibernate(struct sysdev_class *classdev, struct sysdev_class_attribute *attr, const char *buf, size_t count) { + cpumask_var_t offline_mask; int rc; if (!capable(CAP_SYS_ADMIN)) return -EPERM; + if (!alloc_cpumask_var(&offline_mask, GFP_TEMPORARY)) + return -ENOMEM; + stream_id = simple_strtoul(buf, NULL, 16); do { @@ -137,13 +144,33 @@ static ssize_t store_hibernate(struct sysdev_class *classdev, ssleep(1); } while (rc == -EAGAIN); - if (!rc) + if (!rc) { + /* All present CPUs must be online */ + cpumask_andnot(offline_mask, cpu_present_mask, + cpu_online_mask); + rc = rtas_online_cpus_mask(offline_mask); + if (rc) { + pr_err("%s: Could not bring present CPUs online.\n", + __func__); + goto out; + } + + stop_topology_update(); rc = pm_suspend(PM_SUSPEND_MEM); + start_topology_update(); + + /* Take down CPUs not online prior to suspend */ + if (!rtas_offline_cpus_mask(offline_mask)) + pr_warn("%s: Could not restore CPUs to offline " + "state.\n", __func__); + } stream_id = 0; if (!rc) rc = count; +out: + free_cpumask_var(offline_mask); return rc; } diff --git a/arch/powerpc/platforms/wsp/Kconfig b/arch/powerpc/platforms/wsp/Kconfig index c3c48eb..bd560c7 100644 --- a/arch/powerpc/platforms/wsp/Kconfig +++ b/arch/powerpc/platforms/wsp/Kconfig @@ -1,5 +1,12 @@ config PPC_WSP bool + select PPC_A2 + select PPC_SCOM + select PPC_XICS + select PPC_ICP_NATIVE + select PCI + select PPC_IO_WORKAROUNDS if PCI + select PPC_INDIRECT_PIO if PCI default n menu "WSP platform selection" @@ -7,13 +14,9 @@ menu "WSP platform selection" config PPC_PSR2 bool "PSR-2 platform" - select PPC_A2 select GENERIC_TBSYNC - select PPC_SCOM select EPAPR_BOOT select PPC_WSP - select PPC_XICS - select PPC_ICP_NATIVE default y endmenu @@ -21,8 +24,3 @@ endmenu config PPC_A2_DD2 bool "Support for DD2 based A2/WSP systems" depends on PPC_A2 - -config WORKAROUND_ERRATUM_463 - depends on PPC_A2_DD2 - bool "Workaround erratum 463" - default y diff --git a/arch/powerpc/platforms/wsp/Makefile b/arch/powerpc/platforms/wsp/Makefile index 095be73..a1486b4 100644 --- a/arch/powerpc/platforms/wsp/Makefile +++ b/arch/powerpc/platforms/wsp/Makefile @@ -4,3 +4,5 @@ obj-y += setup.o ics.o obj-$(CONFIG_PPC_PSR2) += psr2.o opb_pic.o obj-$(CONFIG_PPC_WSP) += scom_wsp.o obj-$(CONFIG_SMP) += smp.o scom_smp.o +obj-$(CONFIG_PCI) += wsp_pci.o +obj-$(CONFIG_PCI_MSI) += msi.o
\ No newline at end of file diff --git a/arch/powerpc/platforms/wsp/ics.c b/arch/powerpc/platforms/wsp/ics.c index e53bd9e..5768743 100644 --- a/arch/powerpc/platforms/wsp/ics.c +++ b/arch/powerpc/platforms/wsp/ics.c @@ -710,3 +710,51 @@ void __init wsp_init_irq(void) /* We need to patch our irq chip's EOI to point to the right ICP */ wsp_irq_chip.irq_eoi = icp_ops->eoi; } + +#ifdef CONFIG_PCI_MSI +static void wsp_ics_msi_unmask_irq(struct irq_data *d) +{ + wsp_chip_unmask_irq(d); + unmask_msi_irq(d); +} + +static unsigned int wsp_ics_msi_startup(struct irq_data *d) +{ + wsp_ics_msi_unmask_irq(d); + return 0; +} + +static void wsp_ics_msi_mask_irq(struct irq_data *d) +{ + mask_msi_irq(d); + wsp_chip_mask_irq(d); +} + +/* + * we do it this way because we reassinge default EOI handling in + * irq_init() above + */ +static void wsp_ics_eoi(struct irq_data *data) +{ + wsp_irq_chip.irq_eoi(data); +} + +static struct irq_chip wsp_ics_msi = { + .name = "WSP ICS MSI", + .irq_startup = wsp_ics_msi_startup, + .irq_mask = wsp_ics_msi_mask_irq, + .irq_unmask = wsp_ics_msi_unmask_irq, + .irq_eoi = wsp_ics_eoi, + .irq_set_affinity = wsp_chip_set_affinity +}; + +void wsp_ics_set_msi_chip(unsigned int irq) +{ + irq_set_chip(irq, &wsp_ics_msi); +} + +void wsp_ics_set_std_chip(unsigned int irq) +{ + irq_set_chip(irq, &wsp_irq_chip); +} +#endif /* CONFIG_PCI_MSI */ diff --git a/arch/powerpc/platforms/wsp/ics.h b/arch/powerpc/platforms/wsp/ics.h index e34d531..07b644e 100644 --- a/arch/powerpc/platforms/wsp/ics.h +++ b/arch/powerpc/platforms/wsp/ics.h @@ -17,4 +17,9 @@ extern void wsp_init_irq(void); extern int wsp_ics_alloc_irq(struct device_node *dn, int num); extern void wsp_ics_free_irq(struct device_node *dn, unsigned int irq); +#ifdef CONFIG_PCI_MSI +extern void wsp_ics_set_msi_chip(unsigned int irq); +extern void wsp_ics_set_std_chip(unsigned int irq); +#endif /* CONFIG_PCI_MSI */ + #endif /* __ICS_H */ diff --git a/arch/powerpc/platforms/wsp/msi.c b/arch/powerpc/platforms/wsp/msi.c new file mode 100644 index 0000000..380882f --- /dev/null +++ b/arch/powerpc/platforms/wsp/msi.c @@ -0,0 +1,102 @@ +/* + * Copyright 2011 Michael Ellerman, IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/msi.h> +#include <linux/irq.h> +#include <linux/interrupt.h> + +#include "msi.h" +#include "ics.h" +#include "wsp_pci.h" + +/* Magic addresses for 32 & 64-bit MSIs with hardcoded MVE 0 */ +#define MSI_ADDR_32 0xFFFF0000ul +#define MSI_ADDR_64 0x1000000000000000ul + +int wsp_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) +{ + struct pci_controller *phb; + struct msi_desc *entry; + struct msi_msg msg; + unsigned int virq; + int hwirq; + + phb = pci_bus_to_host(dev->bus); + if (!phb) + return -ENOENT; + + entry = list_first_entry(&dev->msi_list, struct msi_desc, list); + if (entry->msi_attrib.is_64) { + msg.address_lo = 0; + msg.address_hi = MSI_ADDR_64 >> 32; + } else { + msg.address_lo = MSI_ADDR_32; + msg.address_hi = 0; + } + + list_for_each_entry(entry, &dev->msi_list, list) { + hwirq = wsp_ics_alloc_irq(phb->dn, 1); + if (hwirq < 0) { + dev_warn(&dev->dev, "wsp_msi: hwirq alloc failed!\n"); + return hwirq; + } + + virq = irq_create_mapping(NULL, hwirq); + if (virq == NO_IRQ) { + dev_warn(&dev->dev, "wsp_msi: virq alloc failed!\n"); + return -1; + } + + dev_dbg(&dev->dev, "wsp_msi: allocated irq %#x/%#x\n", + hwirq, virq); + + wsp_ics_set_msi_chip(virq); + irq_set_msi_desc(virq, entry); + msg.data = hwirq & XIVE_ADDR_MASK; + write_msi_msg(virq, &msg); + } + + return 0; +} + +void wsp_teardown_msi_irqs(struct pci_dev *dev) +{ + struct pci_controller *phb; + struct msi_desc *entry; + int hwirq; + + phb = pci_bus_to_host(dev->bus); + + dev_dbg(&dev->dev, "wsp_msi: tearing down msi irqs\n"); + + list_for_each_entry(entry, &dev->msi_list, list) { + if (entry->irq == NO_IRQ) + continue; + + irq_set_msi_desc(entry->irq, NULL); + wsp_ics_set_std_chip(entry->irq); + + hwirq = virq_to_hw(entry->irq); + /* In this order to avoid racing with irq_create_mapping() */ + irq_dispose_mapping(entry->irq); + wsp_ics_free_irq(phb->dn, hwirq); + } +} + +void wsp_setup_phb_msi(struct pci_controller *phb) +{ + /* Create a single MVE at offset 0 that matches everything */ + out_be64(phb->cfg_data + PCIE_REG_IODA_ADDR, PCIE_REG_IODA_AD_TBL_MVT); + out_be64(phb->cfg_data + PCIE_REG_IODA_DATA0, 1ull << 63); + + ppc_md.setup_msi_irqs = wsp_setup_msi_irqs; + ppc_md.teardown_msi_irqs = wsp_teardown_msi_irqs; +} diff --git a/arch/powerpc/platforms/wsp/msi.h b/arch/powerpc/platforms/wsp/msi.h new file mode 100644 index 0000000..0ab27b7 --- /dev/null +++ b/arch/powerpc/platforms/wsp/msi.h @@ -0,0 +1,19 @@ +/* + * Copyright 2011 Michael Ellerman, IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef __WSP_MSI_H +#define __WSP_MSI_H + +#ifdef CONFIG_PCI_MSI +extern void wsp_setup_phb_msi(struct pci_controller *phb); +#else +static inline void wsp_setup_phb_msi(struct pci_controller *phb) { } +#endif + +#endif /* __WSP_MSI_H */ diff --git a/arch/powerpc/platforms/wsp/psr2.c b/arch/powerpc/platforms/wsp/psr2.c index 40f2891..166f2e4 100644 --- a/arch/powerpc/platforms/wsp/psr2.c +++ b/arch/powerpc/platforms/wsp/psr2.c @@ -63,6 +63,10 @@ static void __init psr2_setup_arch(void) #ifdef CONFIG_SMP a2_setup_smp(); #endif +#ifdef CONFIG_PCI + wsp_setup_pci(); +#endif + } static int __init psr2_probe(void) diff --git a/arch/powerpc/platforms/wsp/smp.c b/arch/powerpc/platforms/wsp/smp.c index 9d20fa9..71bd105 100644 --- a/arch/powerpc/platforms/wsp/smp.c +++ b/arch/powerpc/platforms/wsp/smp.c @@ -75,7 +75,7 @@ static int __init smp_a2_probe(void) } static struct smp_ops_t a2_smp_ops = { - .message_pass = smp_muxed_ipi_message_pass, + .message_pass = NULL, /* Use smp_muxed_ipi_message_pass */ .cause_ipi = doorbell_cause_ipi, .probe = smp_a2_probe, .kick_cpu = smp_a2_kick_cpu, diff --git a/arch/powerpc/platforms/wsp/wsp.h b/arch/powerpc/platforms/wsp/wsp.h index 7c3e087..3347981 100644 --- a/arch/powerpc/platforms/wsp/wsp.h +++ b/arch/powerpc/platforms/wsp/wsp.h @@ -3,6 +3,9 @@ #include <asm/wsp.h> +/* Devtree compatible strings for major devices */ +#define PCIE_COMPATIBLE "ibm,wsp-pciex" + extern void wsp_setup_pci(void); extern void scom_init_wsp(void); diff --git a/arch/powerpc/platforms/wsp/wsp_pci.c b/arch/powerpc/platforms/wsp/wsp_pci.c new file mode 100644 index 0000000..e0262cd --- /dev/null +++ b/arch/powerpc/platforms/wsp/wsp_pci.c @@ -0,0 +1,1133 @@ +/* + * Copyright 2010 Ben Herrenschmidt, IBM Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#define DEBUG + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/string.h> +#include <linux/init.h> +#include <linux/bootmem.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/debugfs.h> + +#include <asm/sections.h> +#include <asm/io.h> +#include <asm/prom.h> +#include <asm/pci-bridge.h> +#include <asm/machdep.h> +#include <asm/ppc-pci.h> +#include <asm/iommu.h> +#include <asm/io-workarounds.h> + +#include "wsp.h" +#include "wsp_pci.h" +#include "msi.h" + + +/* Max number of TVTs for one table. Only 32-bit tables can use + * multiple TVTs and so the max currently supported is thus 8 + * since only 2G of DMA space is supported + */ +#define MAX_TABLE_TVT_COUNT 8 + +struct wsp_dma_table { + struct list_head link; + struct iommu_table table; + struct wsp_phb *phb; + struct page *tces[MAX_TABLE_TVT_COUNT]; +}; + +/* We support DMA regions from 0...2G in 32bit space (no support for + * 64-bit DMA just yet). Each device gets a separate TCE table (TVT + * entry) with validation enabled (though not supported by SimiCS + * just yet). + * + * To simplify things, we divide this 2G space into N regions based + * on the constant below which could be turned into a tunable eventually + * + * We then assign dynamically those regions to devices as they show up. + * + * We use a bitmap as an allocator for these. + * + * Tables are allocated/created dynamically as devices are discovered, + * multiple TVT entries are used if needed + * + * When 64-bit DMA support is added we should simply use a separate set + * of larger regions (the HW supports 64 TVT entries). We can + * additionally create a bypass region in 64-bit space for performances + * though that would have a cost in term of security. + * + * If you set NUM_DMA32_REGIONS to 1, then a single table is shared + * for all devices and bus/dev/fn validation is disabled + * + * Note that a DMA32 region cannot be smaller than 256M so the max + * supported here for now is 8. We don't yet support sharing regions + * between multiple devices so the max number of devices supported + * is MAX_TABLE_TVT_COUNT. + */ +#define NUM_DMA32_REGIONS 1 + +struct wsp_phb { + struct pci_controller *hose; + + /* Lock controlling access to the list of dma tables. + * It does -not- protect against dma_* operations on + * those tables, those should be stopped before an entry + * is removed from the list. + * + * The lock is also used for error handling operations + */ + spinlock_t lock; + struct list_head dma_tables; + unsigned long dma32_map; + unsigned long dma32_base; + unsigned int dma32_num_regions; + unsigned long dma32_region_size; + + /* Debugfs stuff */ + struct dentry *ddir; + + struct list_head all; +}; +static LIST_HEAD(wsp_phbs); + +//#define cfg_debug(fmt...) pr_debug(fmt) +#define cfg_debug(fmt...) + + +static int wsp_pcie_read_config(struct pci_bus *bus, unsigned int devfn, + int offset, int len, u32 *val) +{ + struct pci_controller *hose; + int suboff; + u64 addr; + + hose = pci_bus_to_host(bus); + if (hose == NULL) + return PCIBIOS_DEVICE_NOT_FOUND; + if (offset >= 0x1000) + return PCIBIOS_BAD_REGISTER_NUMBER; + addr = PCIE_REG_CA_ENABLE | + ((u64)bus->number) << PCIE_REG_CA_BUS_SHIFT | + ((u64)devfn) << PCIE_REG_CA_FUNC_SHIFT | + ((u64)offset & ~3) << PCIE_REG_CA_REG_SHIFT; + suboff = offset & 3; + + /* + * Note: the caller has already checked that offset is + * suitably aligned and that len is 1, 2 or 4. + */ + + switch (len) { + case 1: + addr |= (0x8ul >> suboff) << PCIE_REG_CA_BE_SHIFT; + out_be64(hose->cfg_data + PCIE_REG_CONFIG_ADDRESS, addr); + *val = (in_le32(hose->cfg_data + PCIE_REG_CONFIG_DATA) + >> (suboff << 3)) & 0xff; + cfg_debug("read 1 %02x:%02x:%02x + %02x/%x addr=0x%llx val=%02x\n", + bus->number, devfn >> 3, devfn & 7, + offset, suboff, addr, *val); + break; + case 2: + addr |= (0xcul >> suboff) << PCIE_REG_CA_BE_SHIFT; + out_be64(hose->cfg_data + PCIE_REG_CONFIG_ADDRESS, addr); + *val = (in_le32(hose->cfg_data + PCIE_REG_CONFIG_DATA) + >> (suboff << 3)) & 0xffff; + cfg_debug("read 2 %02x:%02x:%02x + %02x/%x addr=0x%llx val=%04x\n", + bus->number, devfn >> 3, devfn & 7, + offset, suboff, addr, *val); + break; + default: + addr |= 0xful << PCIE_REG_CA_BE_SHIFT; + out_be64(hose->cfg_data + PCIE_REG_CONFIG_ADDRESS, addr); + *val = in_le32(hose->cfg_data + PCIE_REG_CONFIG_DATA); + cfg_debug("read 4 %02x:%02x:%02x + %02x/%x addr=0x%llx val=%08x\n", + bus->number, devfn >> 3, devfn & 7, + offset, suboff, addr, *val); + break; + } + return PCIBIOS_SUCCESSFUL; +} + +static int wsp_pcie_write_config(struct pci_bus *bus, unsigned int devfn, + int offset, int len, u32 val) +{ + struct pci_controller *hose; + int suboff; + u64 addr; + + hose = pci_bus_to_host(bus); + if (hose == NULL) + return PCIBIOS_DEVICE_NOT_FOUND; + if (offset >= 0x1000) + return PCIBIOS_BAD_REGISTER_NUMBER; + addr = PCIE_REG_CA_ENABLE | + ((u64)bus->number) << PCIE_REG_CA_BUS_SHIFT | + ((u64)devfn) << PCIE_REG_CA_FUNC_SHIFT | + ((u64)offset & ~3) << PCIE_REG_CA_REG_SHIFT; + suboff = offset & 3; + + /* + * Note: the caller has already checked that offset is + * suitably aligned and that len is 1, 2 or 4. + */ + switch (len) { + case 1: + addr |= (0x8ul >> suboff) << PCIE_REG_CA_BE_SHIFT; + val <<= suboff << 3; + out_be64(hose->cfg_data + PCIE_REG_CONFIG_ADDRESS, addr); + out_le32(hose->cfg_data + PCIE_REG_CONFIG_DATA, val); + cfg_debug("write 1 %02x:%02x:%02x + %02x/%x addr=0x%llx val=%02x\n", + bus->number, devfn >> 3, devfn & 7, + offset, suboff, addr, val); + break; + case 2: + addr |= (0xcul >> suboff) << PCIE_REG_CA_BE_SHIFT; + val <<= suboff << 3; + out_be64(hose->cfg_data + PCIE_REG_CONFIG_ADDRESS, addr); + out_le32(hose->cfg_data + PCIE_REG_CONFIG_DATA, val); + cfg_debug("write 2 %02x:%02x:%02x + %02x/%x addr=0x%llx val=%04x\n", + bus->number, devfn >> 3, devfn & 7, + offset, suboff, addr, val); + break; + default: + addr |= 0xful << PCIE_REG_CA_BE_SHIFT; + out_be64(hose->cfg_data + PCIE_REG_CONFIG_ADDRESS, addr); + out_le32(hose->cfg_data + PCIE_REG_CONFIG_DATA, val); + cfg_debug("write 4 %02x:%02x:%02x + %02x/%x addr=0x%llx val=%08x\n", + bus->number, devfn >> 3, devfn & 7, + offset, suboff, addr, val); + break; + } + return PCIBIOS_SUCCESSFUL; +} + +static struct pci_ops wsp_pcie_pci_ops = +{ + .read = wsp_pcie_read_config, + .write = wsp_pcie_write_config, +}; + +#define TCE_SHIFT 12 +#define TCE_PAGE_SIZE (1 << TCE_SHIFT) +#define TCE_PCI_WRITE 0x2 /* write from PCI allowed */ +#define TCE_PCI_READ 0x1 /* read from PCI allowed */ +#define TCE_RPN_MASK 0x3fffffffffful /* 42-bit RPN (4K pages) */ +#define TCE_RPN_SHIFT 12 + +//#define dma_debug(fmt...) pr_debug(fmt) +#define dma_debug(fmt...) + +static int tce_build_wsp(struct iommu_table *tbl, long index, long npages, + unsigned long uaddr, enum dma_data_direction direction, + struct dma_attrs *attrs) +{ + struct wsp_dma_table *ptbl = container_of(tbl, + struct wsp_dma_table, + table); + u64 proto_tce; + u64 *tcep; + u64 rpn; + + proto_tce = TCE_PCI_READ; +#ifdef CONFIG_WSP_DD1_WORKAROUND_DD1_TCE_BUGS + proto_tce |= TCE_PCI_WRITE; +#else + if (direction != DMA_TO_DEVICE) + proto_tce |= TCE_PCI_WRITE; +#endif + + /* XXX Make this faster by factoring out the page address for + * within a TCE table + */ + while (npages--) { + /* We don't use it->base as the table can be scattered */ + tcep = (u64 *)page_address(ptbl->tces[index >> 16]); + tcep += (index & 0xffff); + + /* can't move this out since we might cross LMB boundary */ + rpn = __pa(uaddr) >> TCE_SHIFT; + *tcep = proto_tce | (rpn & TCE_RPN_MASK) << TCE_RPN_SHIFT; + + dma_debug("[DMA] TCE %p set to 0x%016llx (dma addr: 0x%lx)\n", + tcep, *tcep, (tbl->it_offset + index) << IOMMU_PAGE_SHIFT); + + uaddr += TCE_PAGE_SIZE; + index++; + } + return 0; +} + +static void tce_free_wsp(struct iommu_table *tbl, long index, long npages) +{ + struct wsp_dma_table *ptbl = container_of(tbl, + struct wsp_dma_table, + table); +#ifndef CONFIG_WSP_DD1_WORKAROUND_DD1_TCE_BUGS + struct pci_controller *hose = ptbl->phb->hose; +#endif + u64 *tcep; + + /* XXX Make this faster by factoring out the page address for + * within a TCE table. Also use line-kill option to kill multiple + * TCEs at once + */ + while (npages--) { + /* We don't use it->base as the table can be scattered */ + tcep = (u64 *)page_address(ptbl->tces[index >> 16]); + tcep += (index & 0xffff); + dma_debug("[DMA] TCE %p cleared\n", tcep); + *tcep = 0; +#ifndef CONFIG_WSP_DD1_WORKAROUND_DD1_TCE_BUGS + /* Don't write there since it would pollute other MMIO accesses */ + out_be64(hose->cfg_data + PCIE_REG_TCE_KILL, + PCIE_REG_TCEKILL_SINGLE | PCIE_REG_TCEKILL_PS_4K | + (__pa(tcep) & PCIE_REG_TCEKILL_ADDR_MASK)); +#endif + index++; + } +} + +static struct wsp_dma_table *wsp_pci_create_dma32_table(struct wsp_phb *phb, + unsigned int region, + struct pci_dev *validate) +{ + struct pci_controller *hose = phb->hose; + unsigned long size = phb->dma32_region_size; + unsigned long addr = phb->dma32_region_size * region + phb->dma32_base; + struct wsp_dma_table *tbl; + int tvts_per_table, i, tvt, nid; + unsigned long flags; + + nid = of_node_to_nid(phb->hose->dn); + + /* Calculate how many TVTs are needed */ + tvts_per_table = size / 0x10000000; + if (tvts_per_table == 0) + tvts_per_table = 1; + + /* Calculate the base TVT index. We know all tables have the same + * size so we just do a simple multiply here + */ + tvt = region * tvts_per_table; + + pr_debug(" Region : %d\n", region); + pr_debug(" DMA range : 0x%08lx..0x%08lx\n", addr, addr + size - 1); + pr_debug(" Number of TVTs : %d\n", tvts_per_table); + pr_debug(" Base TVT : %d\n", tvt); + pr_debug(" Node : %d\n", nid); + + tbl = kzalloc_node(sizeof(struct wsp_dma_table), GFP_KERNEL, nid); + if (!tbl) + return ERR_PTR(-ENOMEM); + tbl->phb = phb; + + /* Create as many TVTs as needed, each represents 256M at most */ + for (i = 0; i < tvts_per_table; i++) { + u64 tvt_data1, tvt_data0; + + /* Allocate table. We use a 4K TCE size for now always so + * one table is always 8 * (258M / 4K) == 512K + */ + tbl->tces[i] = alloc_pages_node(nid, GFP_KERNEL, get_order(0x80000)); + if (tbl->tces[i] == NULL) + goto fail; + memset(page_address(tbl->tces[i]), 0, 0x80000); + + pr_debug(" TCE table %d at : %p\n", i, page_address(tbl->tces[i])); + + /* Table size. We currently set it to be the whole 256M region */ + tvt_data0 = 2ull << IODA_TVT0_TCE_TABLE_SIZE_SHIFT; + /* IO page size set to 4K */ + tvt_data1 = 1ull << IODA_TVT1_IO_PAGE_SIZE_SHIFT; + /* Shift in the address */ + tvt_data0 |= __pa(page_address(tbl->tces[i])) << IODA_TVT0_TTA_SHIFT; + + /* Validation stuff. We only validate fully bus/dev/fn for now + * one day maybe we can group devices but that isn't the case + * at the moment + */ + if (validate) { + tvt_data0 |= IODA_TVT0_BUSNUM_VALID_MASK; + tvt_data0 |= validate->bus->number; + tvt_data1 |= IODA_TVT1_DEVNUM_VALID; + tvt_data1 |= ((u64)PCI_SLOT(validate->devfn)) + << IODA_TVT1_DEVNUM_VALUE_SHIFT; + tvt_data1 |= IODA_TVT1_FUNCNUM_VALID; + tvt_data1 |= ((u64)PCI_FUNC(validate->devfn)) + << IODA_TVT1_FUNCNUM_VALUE_SHIFT; + } + + /* XX PE number is always 0 for now */ + + /* Program the values using the PHB lock */ + spin_lock_irqsave(&phb->lock, flags); + out_be64(hose->cfg_data + PCIE_REG_IODA_ADDR, + (tvt + i) | PCIE_REG_IODA_AD_TBL_TVT); + out_be64(hose->cfg_data + PCIE_REG_IODA_DATA1, tvt_data1); + out_be64(hose->cfg_data + PCIE_REG_IODA_DATA0, tvt_data0); + spin_unlock_irqrestore(&phb->lock, flags); + } + + /* Init bits and pieces */ + tbl->table.it_blocksize = 16; + tbl->table.it_offset = addr >> IOMMU_PAGE_SHIFT; + tbl->table.it_size = size >> IOMMU_PAGE_SHIFT; + + /* + * It's already blank but we clear it anyway. + * Consider an aditiona interface that makes cleaing optional + */ + iommu_init_table(&tbl->table, nid); + + list_add(&tbl->link, &phb->dma_tables); + return tbl; + + fail: + pr_debug(" Failed to allocate a 256M TCE table !\n"); + for (i = 0; i < tvts_per_table; i++) + if (tbl->tces[i]) + __free_pages(tbl->tces[i], get_order(0x80000)); + kfree(tbl); + return ERR_PTR(-ENOMEM); +} + +static void __devinit wsp_pci_dma_dev_setup(struct pci_dev *pdev) +{ + struct dev_archdata *archdata = &pdev->dev.archdata; + struct pci_controller *hose = pci_bus_to_host(pdev->bus); + struct wsp_phb *phb = hose->private_data; + struct wsp_dma_table *table = NULL; + unsigned long flags; + int i; + + /* Don't assign an iommu table to a bridge */ + if (pdev->hdr_type == PCI_HEADER_TYPE_BRIDGE) + return; + + pr_debug("%s: Setting up DMA...\n", pci_name(pdev)); + + spin_lock_irqsave(&phb->lock, flags); + + /* If only one region, check if it already exist */ + if (phb->dma32_num_regions == 1) { + spin_unlock_irqrestore(&phb->lock, flags); + if (list_empty(&phb->dma_tables)) + table = wsp_pci_create_dma32_table(phb, 0, NULL); + else + table = list_first_entry(&phb->dma_tables, + struct wsp_dma_table, + link); + } else { + /* else find a free region */ + for (i = 0; i < phb->dma32_num_regions && !table; i++) { + if (__test_and_set_bit(i, &phb->dma32_map)) + continue; + spin_unlock_irqrestore(&phb->lock, flags); + table = wsp_pci_create_dma32_table(phb, i, pdev); + } + } + + /* Check if we got an error */ + if (IS_ERR(table)) { + pr_err("%s: Failed to create DMA table, err %ld !\n", + pci_name(pdev), PTR_ERR(table)); + return; + } + + /* Or a valid table */ + if (table) { + pr_info("%s: Setup iommu: 32-bit DMA region 0x%08lx..0x%08lx\n", + pci_name(pdev), + table->table.it_offset << IOMMU_PAGE_SHIFT, + (table->table.it_offset << IOMMU_PAGE_SHIFT) + + phb->dma32_region_size - 1); + archdata->dma_data.iommu_table_base = &table->table; + return; + } + + /* Or no room */ + spin_unlock_irqrestore(&phb->lock, flags); + pr_err("%s: Out of DMA space !\n", pci_name(pdev)); +} + +static void __init wsp_pcie_configure_hw(struct pci_controller *hose) +{ + u64 val; + int i; + +#define DUMP_REG(x) \ + pr_debug("%-30s : 0x%016llx\n", #x, in_be64(hose->cfg_data + x)) + +#ifdef CONFIG_WSP_DD1_WORKAROUND_BAD_PCIE_CLASS + /* WSP DD1 has a bogus class code by default in the PCI-E + * root complex's built-in P2P bridge */ + val = in_be64(hose->cfg_data + PCIE_REG_SYS_CFG1); + pr_debug("PCI-E SYS_CFG1 : 0x%llx\n", val); + out_be64(hose->cfg_data + PCIE_REG_SYS_CFG1, + (val & ~PCIE_REG_SYS_CFG1_CLASS_CODE) | (PCI_CLASS_BRIDGE_PCI << 8)); + pr_debug("PCI-E SYS_CFG1 : 0x%llx\n", in_be64(hose->cfg_data + PCIE_REG_SYS_CFG1)); +#endif /* CONFIG_WSP_DD1_WORKAROUND_BAD_PCIE_CLASS */ + +#ifdef CONFIG_WSP_DD1_WORKAROUND_DD1_TCE_BUGS + /* XXX Disable TCE caching, it doesn't work on DD1 */ + out_be64(hose->cfg_data + 0xe50, + in_be64(hose->cfg_data + 0xe50) | (3ull << 62)); + printk("PCI-E DEBUG CONTROL 5 = 0x%llx\n", in_be64(hose->cfg_data + 0xe50)); +#endif + + /* Configure M32A and IO. IO is hard wired to be 1M for now */ + out_be64(hose->cfg_data + PCIE_REG_IO_BASE_ADDR, hose->io_base_phys); + out_be64(hose->cfg_data + PCIE_REG_IO_BASE_MASK, + (~(hose->io_resource.end - hose->io_resource.start)) & + 0x3fffffff000ul); + out_be64(hose->cfg_data + PCIE_REG_IO_START_ADDR, 0 | 1); + + out_be64(hose->cfg_data + PCIE_REG_M32A_BASE_ADDR, + hose->mem_resources[0].start); + printk("Want to write to M32A_BASE_MASK : 0x%llx\n", + (~(hose->mem_resources[0].end - + hose->mem_resources[0].start)) & 0x3ffffff0000ul); + out_be64(hose->cfg_data + PCIE_REG_M32A_BASE_MASK, + (~(hose->mem_resources[0].end - + hose->mem_resources[0].start)) & 0x3ffffff0000ul); + out_be64(hose->cfg_data + PCIE_REG_M32A_START_ADDR, + (hose->mem_resources[0].start - hose->pci_mem_offset) | 1); + + /* Clear all TVT entries + * + * XX Might get TVT count from device-tree + */ + for (i = 0; i < IODA_TVT_COUNT; i++) { + out_be64(hose->cfg_data + PCIE_REG_IODA_ADDR, + PCIE_REG_IODA_AD_TBL_TVT | i); + out_be64(hose->cfg_data + PCIE_REG_IODA_DATA1, 0); + out_be64(hose->cfg_data + PCIE_REG_IODA_DATA0, 0); + } + + /* Kill the TCE cache */ + out_be64(hose->cfg_data + PCIE_REG_PHB_CONFIG, + in_be64(hose->cfg_data + PCIE_REG_PHB_CONFIG) | + PCIE_REG_PHBC_64B_TCE_EN); + + /* Enable 32 & 64-bit MSIs, IO space and M32A */ + val = PCIE_REG_PHBC_32BIT_MSI_EN | + PCIE_REG_PHBC_IO_EN | + PCIE_REG_PHBC_64BIT_MSI_EN | + PCIE_REG_PHBC_M32A_EN; + if (iommu_is_off) + val |= PCIE_REG_PHBC_DMA_XLATE_BYPASS; + pr_debug("Will write config: 0x%llx\n", val); + out_be64(hose->cfg_data + PCIE_REG_PHB_CONFIG, val); + + /* Enable error reporting */ + out_be64(hose->cfg_data + 0xe00, + in_be64(hose->cfg_data + 0xe00) | 0x0008000000000000ull); + + /* Mask an error that's generated when doing config space probe + * + * XXX Maybe we should only mask it around config space cycles... that or + * ignore it when we know we had a config space cycle recently ? + */ + out_be64(hose->cfg_data + PCIE_REG_DMA_ERR_STATUS_MASK, 0x8000000000000000ull); + out_be64(hose->cfg_data + PCIE_REG_DMA_ERR1_STATUS_MASK, 0x8000000000000000ull); + + /* Enable UTL errors, for now, all of them got to UTL irq 1 + * + * We similarily mask one UTL error caused apparently during normal + * probing. We also mask the link up error + */ + out_be64(hose->cfg_data + PCIE_UTL_SYS_BUS_AGENT_ERR_SEV, 0); + out_be64(hose->cfg_data + PCIE_UTL_RC_ERR_SEVERITY, 0); + out_be64(hose->cfg_data + PCIE_UTL_PCIE_PORT_ERROR_SEV, 0); + out_be64(hose->cfg_data + PCIE_UTL_SYS_BUS_AGENT_IRQ_EN, 0xffffffff00000000ull); + out_be64(hose->cfg_data + PCIE_UTL_PCIE_PORT_IRQ_EN, 0xff5fffff00000000ull); + out_be64(hose->cfg_data + PCIE_UTL_EP_ERR_IRQ_EN, 0xffffffff00000000ull); + + DUMP_REG(PCIE_REG_IO_BASE_ADDR); + DUMP_REG(PCIE_REG_IO_BASE_MASK); + DUMP_REG(PCIE_REG_IO_START_ADDR); + DUMP_REG(PCIE_REG_M32A_BASE_ADDR); + DUMP_REG(PCIE_REG_M32A_BASE_MASK); + DUMP_REG(PCIE_REG_M32A_START_ADDR); + DUMP_REG(PCIE_REG_M32B_BASE_ADDR); + DUMP_REG(PCIE_REG_M32B_BASE_MASK); + DUMP_REG(PCIE_REG_M32B_START_ADDR); + DUMP_REG(PCIE_REG_M64_BASE_ADDR); + DUMP_REG(PCIE_REG_M64_BASE_MASK); + DUMP_REG(PCIE_REG_M64_START_ADDR); + DUMP_REG(PCIE_REG_PHB_CONFIG); +} + +static void wsp_pci_wait_io_idle(struct wsp_phb *phb, unsigned long port) +{ + u64 val; + int i; + + for (i = 0; i < 10000; i++) { + val = in_be64(phb->hose->cfg_data + 0xe08); + if ((val & 0x1900000000000000ull) == 0x0100000000000000ull) + return; + udelay(1); + } + pr_warning("PCI IO timeout on domain %d port 0x%lx\n", + phb->hose->global_number, port); +} + +#define DEF_PCI_AC_RET_pio(name, ret, at, al, aa) \ +static ret wsp_pci_##name at \ +{ \ + struct iowa_bus *bus; \ + struct wsp_phb *phb; \ + unsigned long flags; \ + ret rval; \ + bus = iowa_pio_find_bus(aa); \ + WARN_ON(!bus); \ + phb = bus->private; \ + spin_lock_irqsave(&phb->lock, flags); \ + wsp_pci_wait_io_idle(phb, aa); \ + rval = __do_##name al; \ + spin_unlock_irqrestore(&phb->lock, flags); \ + return rval; \ +} + +#define DEF_PCI_AC_NORET_pio(name, at, al, aa) \ +static void wsp_pci_##name at \ +{ \ + struct iowa_bus *bus; \ + struct wsp_phb *phb; \ + unsigned long flags; \ + bus = iowa_pio_find_bus(aa); \ + WARN_ON(!bus); \ + phb = bus->private; \ + spin_lock_irqsave(&phb->lock, flags); \ + wsp_pci_wait_io_idle(phb, aa); \ + __do_##name al; \ + spin_unlock_irqrestore(&phb->lock, flags); \ +} + +#define DEF_PCI_AC_RET_mem(name, ret, at, al, aa) +#define DEF_PCI_AC_NORET_mem(name, at, al, aa) + +#define DEF_PCI_AC_RET(name, ret, at, al, space, aa) \ + DEF_PCI_AC_RET_##space(name, ret, at, al, aa) + +#define DEF_PCI_AC_NORET(name, at, al, space, aa) \ + DEF_PCI_AC_NORET_##space(name, at, al, aa) \ + + +#include <asm/io-defs.h> + +#undef DEF_PCI_AC_RET +#undef DEF_PCI_AC_NORET + +static struct ppc_pci_io wsp_pci_iops = { + .inb = wsp_pci_inb, + .inw = wsp_pci_inw, + .inl = wsp_pci_inl, + .outb = wsp_pci_outb, + .outw = wsp_pci_outw, + .outl = wsp_pci_outl, + .insb = wsp_pci_insb, + .insw = wsp_pci_insw, + .insl = wsp_pci_insl, + .outsb = wsp_pci_outsb, + .outsw = wsp_pci_outsw, + .outsl = wsp_pci_outsl, +}; + +static int __init wsp_setup_one_phb(struct device_node *np) +{ + struct pci_controller *hose; + struct wsp_phb *phb; + + pr_info("PCI: Setting up PCIe host bridge 0x%s\n", np->full_name); + + phb = zalloc_maybe_bootmem(sizeof(struct wsp_phb), GFP_KERNEL); + if (!phb) + return -ENOMEM; + hose = pcibios_alloc_controller(np); + if (!hose) { + /* Can't really free the phb */ + return -ENOMEM; + } + hose->private_data = phb; + phb->hose = hose; + + INIT_LIST_HEAD(&phb->dma_tables); + spin_lock_init(&phb->lock); + + /* XXX Use bus-range property ? */ + hose->first_busno = 0; + hose->last_busno = 0xff; + + /* We use cfg_data as the address for the whole bridge MMIO space + */ + hose->cfg_data = of_iomap(hose->dn, 0); + + pr_debug("PCIe registers mapped at 0x%p\n", hose->cfg_data); + + /* Get the ranges of the device-tree */ + pci_process_bridge_OF_ranges(hose, np, 0); + + /* XXX Force re-assigning of everything for now */ + pci_add_flags(PCI_REASSIGN_ALL_BUS | PCI_REASSIGN_ALL_RSRC | + PCI_ENABLE_PROC_DOMAINS); + pci_probe_only = 0; + + /* Calculate how the TCE space is divided */ + phb->dma32_base = 0; + phb->dma32_num_regions = NUM_DMA32_REGIONS; + if (phb->dma32_num_regions > MAX_TABLE_TVT_COUNT) { + pr_warning("IOMMU: Clamped to %d DMA32 regions\n", + MAX_TABLE_TVT_COUNT); + phb->dma32_num_regions = MAX_TABLE_TVT_COUNT; + } + phb->dma32_region_size = 0x80000000 / phb->dma32_num_regions; + + BUG_ON(!is_power_of_2(phb->dma32_region_size)); + + /* Setup config ops */ + hose->ops = &wsp_pcie_pci_ops; + + /* Configure the HW */ + wsp_pcie_configure_hw(hose); + + /* Instanciate IO workarounds */ + iowa_register_bus(hose, &wsp_pci_iops, NULL, phb); +#ifdef CONFIG_PCI_MSI + wsp_setup_phb_msi(hose); +#endif + + /* Add to global list */ + list_add(&phb->all, &wsp_phbs); + + return 0; +} + +void __init wsp_setup_pci(void) +{ + struct device_node *np; + int rc; + + /* Find host bridges */ + for_each_compatible_node(np, "pciex", PCIE_COMPATIBLE) { + rc = wsp_setup_one_phb(np); + if (rc) + pr_err("Failed to setup PCIe bridge %s, rc=%d\n", + np->full_name, rc); + } + + /* Establish device-tree linkage */ + pci_devs_phb_init(); + + /* Set DMA ops to use TCEs */ + if (iommu_is_off) { + pr_info("PCI-E: Disabled TCEs, using direct DMA\n"); + set_pci_dma_ops(&dma_direct_ops); + } else { + ppc_md.pci_dma_dev_setup = wsp_pci_dma_dev_setup; + ppc_md.tce_build = tce_build_wsp; + ppc_md.tce_free = tce_free_wsp; + set_pci_dma_ops(&dma_iommu_ops); + } +} + +#define err_debug(fmt...) pr_debug(fmt) +//#define err_debug(fmt...) + +static int __init wsp_pci_get_err_irq_no_dt(struct device_node *np) +{ + const u32 *prop; + int hw_irq; + + /* Ok, no interrupts property, let's try to find our child P2P */ + np = of_get_next_child(np, NULL); + if (np == NULL) + return 0; + + /* Grab it's interrupt map */ + prop = of_get_property(np, "interrupt-map", NULL); + if (prop == NULL) + return 0; + + /* Grab one of the interrupts in there, keep the low 4 bits */ + hw_irq = prop[5] & 0xf; + + /* 0..4 for PHB 0 and 5..9 for PHB 1 */ + if (hw_irq < 5) + hw_irq = 4; + else + hw_irq = 9; + hw_irq |= prop[5] & ~0xf; + + err_debug("PCI: Using 0x%x as error IRQ for %s\n", + hw_irq, np->parent->full_name); + return irq_create_mapping(NULL, hw_irq); +} + +static const struct { + u32 offset; + const char *name; +} wsp_pci_regs[] = { +#define DREG(x) { PCIE_REG_##x, #x } +#define DUTL(x) { PCIE_UTL_##x, "UTL_" #x } + /* Architected registers except CONFIG_ and IODA + * to avoid side effects + */ + DREG(DMA_CHAN_STATUS), + DREG(CPU_LOADSTORE_STATUS), + DREG(LOCK0), + DREG(LOCK1), + DREG(PHB_CONFIG), + DREG(IO_BASE_ADDR), + DREG(IO_BASE_MASK), + DREG(IO_START_ADDR), + DREG(M32A_BASE_ADDR), + DREG(M32A_BASE_MASK), + DREG(M32A_START_ADDR), + DREG(M32B_BASE_ADDR), + DREG(M32B_BASE_MASK), + DREG(M32B_START_ADDR), + DREG(M64_BASE_ADDR), + DREG(M64_BASE_MASK), + DREG(M64_START_ADDR), + DREG(TCE_KILL), + DREG(LOCK2), + DREG(PHB_GEN_CAP), + DREG(PHB_TCE_CAP), + DREG(PHB_IRQ_CAP), + DREG(PHB_EEH_CAP), + DREG(PAPR_ERR_INJ_CONTROL), + DREG(PAPR_ERR_INJ_ADDR), + DREG(PAPR_ERR_INJ_MASK), + + /* UTL core regs */ + DUTL(SYS_BUS_CONTROL), + DUTL(STATUS), + DUTL(SYS_BUS_AGENT_STATUS), + DUTL(SYS_BUS_AGENT_ERR_SEV), + DUTL(SYS_BUS_AGENT_IRQ_EN), + DUTL(SYS_BUS_BURST_SZ_CONF), + DUTL(REVISION_ID), + DUTL(OUT_POST_HDR_BUF_ALLOC), + DUTL(OUT_POST_DAT_BUF_ALLOC), + DUTL(IN_POST_HDR_BUF_ALLOC), + DUTL(IN_POST_DAT_BUF_ALLOC), + DUTL(OUT_NP_BUF_ALLOC), + DUTL(IN_NP_BUF_ALLOC), + DUTL(PCIE_TAGS_ALLOC), + DUTL(GBIF_READ_TAGS_ALLOC), + + DUTL(PCIE_PORT_CONTROL), + DUTL(PCIE_PORT_STATUS), + DUTL(PCIE_PORT_ERROR_SEV), + DUTL(PCIE_PORT_IRQ_EN), + DUTL(RC_STATUS), + DUTL(RC_ERR_SEVERITY), + DUTL(RC_IRQ_EN), + DUTL(EP_STATUS), + DUTL(EP_ERR_SEVERITY), + DUTL(EP_ERR_IRQ_EN), + DUTL(PCI_PM_CTRL1), + DUTL(PCI_PM_CTRL2), + + /* PCIe stack regs */ + DREG(SYSTEM_CONFIG1), + DREG(SYSTEM_CONFIG2), + DREG(EP_SYSTEM_CONFIG), + DREG(EP_FLR), + DREG(EP_BAR_CONFIG), + DREG(LINK_CONFIG), + DREG(PM_CONFIG), + DREG(DLP_CONTROL), + DREG(DLP_STATUS), + DREG(ERR_REPORT_CONTROL), + DREG(SLOT_CONTROL1), + DREG(SLOT_CONTROL2), + DREG(UTL_CONFIG), + DREG(BUFFERS_CONFIG), + DREG(ERROR_INJECT), + DREG(SRIOV_CONFIG), + DREG(PF0_SRIOV_STATUS), + DREG(PF1_SRIOV_STATUS), + DREG(PORT_NUMBER), + DREG(POR_SYSTEM_CONFIG), + + /* Internal logic regs */ + DREG(PHB_VERSION), + DREG(RESET), + DREG(PHB_CONTROL), + DREG(PHB_TIMEOUT_CONTROL1), + DREG(PHB_QUIESCE_DMA), + DREG(PHB_DMA_READ_TAG_ACTV), + DREG(PHB_TCE_READ_TAG_ACTV), + + /* FIR registers */ + DREG(LEM_FIR_ACCUM), + DREG(LEM_FIR_AND_MASK), + DREG(LEM_FIR_OR_MASK), + DREG(LEM_ACTION0), + DREG(LEM_ACTION1), + DREG(LEM_ERROR_MASK), + DREG(LEM_ERROR_AND_MASK), + DREG(LEM_ERROR_OR_MASK), + + /* Error traps registers */ + DREG(PHB_ERR_STATUS), + DREG(PHB_ERR_STATUS), + DREG(PHB_ERR1_STATUS), + DREG(PHB_ERR_INJECT), + DREG(PHB_ERR_LEM_ENABLE), + DREG(PHB_ERR_IRQ_ENABLE), + DREG(PHB_ERR_FREEZE_ENABLE), + DREG(PHB_ERR_SIDE_ENABLE), + DREG(PHB_ERR_LOG_0), + DREG(PHB_ERR_LOG_1), + DREG(PHB_ERR_STATUS_MASK), + DREG(PHB_ERR1_STATUS_MASK), + DREG(MMIO_ERR_STATUS), + DREG(MMIO_ERR1_STATUS), + DREG(MMIO_ERR_INJECT), + DREG(MMIO_ERR_LEM_ENABLE), + DREG(MMIO_ERR_IRQ_ENABLE), + DREG(MMIO_ERR_FREEZE_ENABLE), + DREG(MMIO_ERR_SIDE_ENABLE), + DREG(MMIO_ERR_LOG_0), + DREG(MMIO_ERR_LOG_1), + DREG(MMIO_ERR_STATUS_MASK), + DREG(MMIO_ERR1_STATUS_MASK), + DREG(DMA_ERR_STATUS), + DREG(DMA_ERR1_STATUS), + DREG(DMA_ERR_INJECT), + DREG(DMA_ERR_LEM_ENABLE), + DREG(DMA_ERR_IRQ_ENABLE), + DREG(DMA_ERR_FREEZE_ENABLE), + DREG(DMA_ERR_SIDE_ENABLE), + DREG(DMA_ERR_LOG_0), + DREG(DMA_ERR_LOG_1), + DREG(DMA_ERR_STATUS_MASK), + DREG(DMA_ERR1_STATUS_MASK), + + /* Debug and Trace registers */ + DREG(PHB_DEBUG_CONTROL0), + DREG(PHB_DEBUG_STATUS0), + DREG(PHB_DEBUG_CONTROL1), + DREG(PHB_DEBUG_STATUS1), + DREG(PHB_DEBUG_CONTROL2), + DREG(PHB_DEBUG_STATUS2), + DREG(PHB_DEBUG_CONTROL3), + DREG(PHB_DEBUG_STATUS3), + DREG(PHB_DEBUG_CONTROL4), + DREG(PHB_DEBUG_STATUS4), + DREG(PHB_DEBUG_CONTROL5), + DREG(PHB_DEBUG_STATUS5), + + /* Don't seem to exist ... + DREG(PHB_DEBUG_CONTROL6), + DREG(PHB_DEBUG_STATUS6), + */ +}; + +static int wsp_pci_regs_show(struct seq_file *m, void *private) +{ + struct wsp_phb *phb = m->private; + struct pci_controller *hose = phb->hose; + int i; + + for (i = 0; i < ARRAY_SIZE(wsp_pci_regs); i++) { + /* Skip write-only regs */ + if (wsp_pci_regs[i].offset == 0xc08 || + wsp_pci_regs[i].offset == 0xc10 || + wsp_pci_regs[i].offset == 0xc38 || + wsp_pci_regs[i].offset == 0xc40) + continue; + seq_printf(m, "0x%03x: 0x%016llx %s\n", + wsp_pci_regs[i].offset, + in_be64(hose->cfg_data + wsp_pci_regs[i].offset), + wsp_pci_regs[i].name); + } + return 0; +} + +static int wsp_pci_regs_open(struct inode *inode, struct file *file) +{ + return single_open(file, wsp_pci_regs_show, inode->i_private); +} + +static const struct file_operations wsp_pci_regs_fops = { + .open = wsp_pci_regs_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int wsp_pci_reg_set(void *data, u64 val) +{ + out_be64((void __iomem *)data, val); + return 0; +} + +static int wsp_pci_reg_get(void *data, u64 *val) +{ + *val = in_be64((void __iomem *)data); + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(wsp_pci_reg_fops, wsp_pci_reg_get, wsp_pci_reg_set, "0x%llx\n"); + +static irqreturn_t wsp_pci_err_irq(int irq, void *dev_id) +{ + struct wsp_phb *phb = dev_id; + struct pci_controller *hose = phb->hose; + irqreturn_t handled = IRQ_NONE; + struct wsp_pcie_err_log_data ed; + + pr_err("PCI: Error interrupt on %s (PHB %d)\n", + hose->dn->full_name, hose->global_number); + again: + memset(&ed, 0, sizeof(ed)); + + /* Read and clear UTL errors */ + ed.utl_sys_err = in_be64(hose->cfg_data + PCIE_UTL_SYS_BUS_AGENT_STATUS); + if (ed.utl_sys_err) + out_be64(hose->cfg_data + PCIE_UTL_SYS_BUS_AGENT_STATUS, ed.utl_sys_err); + ed.utl_port_err = in_be64(hose->cfg_data + PCIE_UTL_PCIE_PORT_STATUS); + if (ed.utl_port_err) + out_be64(hose->cfg_data + PCIE_UTL_PCIE_PORT_STATUS, ed.utl_port_err); + ed.utl_rc_err = in_be64(hose->cfg_data + PCIE_UTL_RC_STATUS); + if (ed.utl_rc_err) + out_be64(hose->cfg_data + PCIE_UTL_RC_STATUS, ed.utl_rc_err); + + /* Read and clear main trap errors */ + ed.phb_err = in_be64(hose->cfg_data + PCIE_REG_PHB_ERR_STATUS); + if (ed.phb_err) { + ed.phb_err1 = in_be64(hose->cfg_data + PCIE_REG_PHB_ERR1_STATUS); + ed.phb_log0 = in_be64(hose->cfg_data + PCIE_REG_PHB_ERR_LOG_0); + ed.phb_log1 = in_be64(hose->cfg_data + PCIE_REG_PHB_ERR_LOG_1); + out_be64(hose->cfg_data + PCIE_REG_PHB_ERR1_STATUS, 0); + out_be64(hose->cfg_data + PCIE_REG_PHB_ERR_STATUS, 0); + } + ed.mmio_err = in_be64(hose->cfg_data + PCIE_REG_MMIO_ERR_STATUS); + if (ed.mmio_err) { + ed.mmio_err1 = in_be64(hose->cfg_data + PCIE_REG_MMIO_ERR1_STATUS); + ed.mmio_log0 = in_be64(hose->cfg_data + PCIE_REG_MMIO_ERR_LOG_0); + ed.mmio_log1 = in_be64(hose->cfg_data + PCIE_REG_MMIO_ERR_LOG_1); + out_be64(hose->cfg_data + PCIE_REG_MMIO_ERR1_STATUS, 0); + out_be64(hose->cfg_data + PCIE_REG_MMIO_ERR_STATUS, 0); + } + ed.dma_err = in_be64(hose->cfg_data + PCIE_REG_DMA_ERR_STATUS); + if (ed.dma_err) { + ed.dma_err1 = in_be64(hose->cfg_data + PCIE_REG_DMA_ERR1_STATUS); + ed.dma_log0 = in_be64(hose->cfg_data + PCIE_REG_DMA_ERR_LOG_0); + ed.dma_log1 = in_be64(hose->cfg_data + PCIE_REG_DMA_ERR_LOG_1); + out_be64(hose->cfg_data + PCIE_REG_DMA_ERR1_STATUS, 0); + out_be64(hose->cfg_data + PCIE_REG_DMA_ERR_STATUS, 0); + } + + /* Now print things out */ + if (ed.phb_err) { + pr_err(" PHB Error Status : 0x%016llx\n", ed.phb_err); + pr_err(" PHB First Error Status: 0x%016llx\n", ed.phb_err1); + pr_err(" PHB Error Log 0 : 0x%016llx\n", ed.phb_log0); + pr_err(" PHB Error Log 1 : 0x%016llx\n", ed.phb_log1); + } + if (ed.mmio_err) { + pr_err(" MMIO Error Status : 0x%016llx\n", ed.mmio_err); + pr_err(" MMIO First Error Status: 0x%016llx\n", ed.mmio_err1); + pr_err(" MMIO Error Log 0 : 0x%016llx\n", ed.mmio_log0); + pr_err(" MMIO Error Log 1 : 0x%016llx\n", ed.mmio_log1); + } + if (ed.dma_err) { + pr_err(" DMA Error Status : 0x%016llx\n", ed.dma_err); + pr_err(" DMA First Error Status: 0x%016llx\n", ed.dma_err1); + pr_err(" DMA Error Log 0 : 0x%016llx\n", ed.dma_log0); + pr_err(" DMA Error Log 1 : 0x%016llx\n", ed.dma_log1); + } + if (ed.utl_sys_err) + pr_err(" UTL Sys Error Status : 0x%016llx\n", ed.utl_sys_err); + if (ed.utl_port_err) + pr_err(" UTL Port Error Status : 0x%016llx\n", ed.utl_port_err); + if (ed.utl_rc_err) + pr_err(" UTL RC Error Status : 0x%016llx\n", ed.utl_rc_err); + + /* Interrupts are caused by the error traps. If we had any error there + * we loop again in case the UTL buffered some new stuff between + * going there and going to the traps + */ + if (ed.dma_err || ed.mmio_err || ed.phb_err) { + handled = IRQ_HANDLED; + goto again; + } + return handled; +} + +static void __init wsp_setup_pci_err_reporting(struct wsp_phb *phb) +{ + struct pci_controller *hose = phb->hose; + int err_irq, i, rc; + char fname[16]; + + /* Create a debugfs file for that PHB */ + sprintf(fname, "phb%d", phb->hose->global_number); + phb->ddir = debugfs_create_dir(fname, powerpc_debugfs_root); + + /* Some useful debug output */ + if (phb->ddir) { + struct dentry *d = debugfs_create_dir("regs", phb->ddir); + char tmp[64]; + + for (i = 0; i < ARRAY_SIZE(wsp_pci_regs); i++) { + sprintf(tmp, "%03x_%s", wsp_pci_regs[i].offset, + wsp_pci_regs[i].name); + debugfs_create_file(tmp, 0600, d, + hose->cfg_data + wsp_pci_regs[i].offset, + &wsp_pci_reg_fops); + } + debugfs_create_file("all_regs", 0600, phb->ddir, phb, &wsp_pci_regs_fops); + } + + /* Find the IRQ number for that PHB */ + err_irq = irq_of_parse_and_map(hose->dn, 0); + if (err_irq == 0) + /* XXX Error IRQ lacking from device-tree */ + err_irq = wsp_pci_get_err_irq_no_dt(hose->dn); + if (err_irq == 0) { + pr_err("PCI: Failed to fetch error interrupt for %s\n", + hose->dn->full_name); + return; + } + /* Request it */ + rc = request_irq(err_irq, wsp_pci_err_irq, 0, "wsp_pci error", phb); + if (rc) { + pr_err("PCI: Failed to request interrupt for %s\n", + hose->dn->full_name); + } + /* Enable interrupts for all errors for now */ + out_be64(hose->cfg_data + PCIE_REG_PHB_ERR_IRQ_ENABLE, 0xffffffffffffffffull); + out_be64(hose->cfg_data + PCIE_REG_MMIO_ERR_IRQ_ENABLE, 0xffffffffffffffffull); + out_be64(hose->cfg_data + PCIE_REG_DMA_ERR_IRQ_ENABLE, 0xffffffffffffffffull); +} + +/* + * This is called later to hookup with the error interrupt + */ +static int __init wsp_setup_pci_late(void) +{ + struct wsp_phb *phb; + + list_for_each_entry(phb, &wsp_phbs, all) + wsp_setup_pci_err_reporting(phb); + + return 0; +} +arch_initcall(wsp_setup_pci_late); diff --git a/arch/powerpc/platforms/wsp/wsp_pci.h b/arch/powerpc/platforms/wsp/wsp_pci.h new file mode 100644 index 0000000..52e9bd9 --- /dev/null +++ b/arch/powerpc/platforms/wsp/wsp_pci.h @@ -0,0 +1,268 @@ +/* + * Copyright 2010 Ben Herrenschmidt, IBM Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef __WSP_PCI_H +#define __WSP_PCI_H + +/* Architected registers */ +#define PCIE_REG_DMA_CHAN_STATUS 0x110 +#define PCIE_REG_CPU_LOADSTORE_STATUS 0x120 + +#define PCIE_REG_CONFIG_DATA 0x130 +#define PCIE_REG_LOCK0 0x138 +#define PCIE_REG_CONFIG_ADDRESS 0x140 +#define PCIE_REG_CA_ENABLE 0x8000000000000000ull +#define PCIE_REG_CA_BUS_MASK 0x0ff0000000000000ull +#define PCIE_REG_CA_BUS_SHIFT (20+32) +#define PCIE_REG_CA_DEV_MASK 0x000f800000000000ull +#define PCIE_REG_CA_DEV_SHIFT (15+32) +#define PCIE_REG_CA_FUNC_MASK 0x0000700000000000ull +#define PCIE_REG_CA_FUNC_SHIFT (12+32) +#define PCIE_REG_CA_REG_MASK 0x00000fff00000000ull +#define PCIE_REG_CA_REG_SHIFT ( 0+32) +#define PCIE_REG_CA_BE_MASK 0x00000000f0000000ull +#define PCIE_REG_CA_BE_SHIFT ( 28) +#define PCIE_REG_LOCK1 0x148 + +#define PCIE_REG_PHB_CONFIG 0x160 +#define PCIE_REG_PHBC_64B_TCE_EN 0x2000000000000000ull +#define PCIE_REG_PHBC_MMIO_DMA_FREEZE_EN 0x1000000000000000ull +#define PCIE_REG_PHBC_32BIT_MSI_EN 0x0080000000000000ull +#define PCIE_REG_PHBC_M64_EN 0x0040000000000000ull +#define PCIE_REG_PHBC_IO_EN 0x0008000000000000ull +#define PCIE_REG_PHBC_64BIT_MSI_EN 0x0002000000000000ull +#define PCIE_REG_PHBC_M32A_EN 0x0000800000000000ull +#define PCIE_REG_PHBC_M32B_EN 0x0000400000000000ull +#define PCIE_REG_PHBC_MSI_PE_VALIDATE 0x0000200000000000ull +#define PCIE_REG_PHBC_DMA_XLATE_BYPASS 0x0000100000000000ull + +#define PCIE_REG_IO_BASE_ADDR 0x170 +#define PCIE_REG_IO_BASE_MASK 0x178 +#define PCIE_REG_IO_START_ADDR 0x180 + +#define PCIE_REG_M32A_BASE_ADDR 0x190 +#define PCIE_REG_M32A_BASE_MASK 0x198 +#define PCIE_REG_M32A_START_ADDR 0x1a0 + +#define PCIE_REG_M32B_BASE_ADDR 0x1b0 +#define PCIE_REG_M32B_BASE_MASK 0x1b8 +#define PCIE_REG_M32B_START_ADDR 0x1c0 + +#define PCIE_REG_M64_BASE_ADDR 0x1e0 +#define PCIE_REG_M64_BASE_MASK 0x1e8 +#define PCIE_REG_M64_START_ADDR 0x1f0 + +#define PCIE_REG_TCE_KILL 0x210 +#define PCIE_REG_TCEKILL_SINGLE 0x8000000000000000ull +#define PCIE_REG_TCEKILL_ADDR_MASK 0x000003fffffffff8ull +#define PCIE_REG_TCEKILL_PS_4K 0 +#define PCIE_REG_TCEKILL_PS_64K 1 +#define PCIE_REG_TCEKILL_PS_16M 2 +#define PCIE_REG_TCEKILL_PS_16G 3 + +#define PCIE_REG_IODA_ADDR 0x220 +#define PCIE_REG_IODA_AD_AUTOINC 0x8000000000000000ull +#define PCIE_REG_IODA_AD_TBL_MVT 0x0005000000000000ull +#define PCIE_REG_IODA_AD_TBL_PELT 0x0006000000000000ull +#define PCIE_REG_IODA_AD_TBL_PESTA 0x0007000000000000ull +#define PCIE_REG_IODA_AD_TBL_PESTB 0x0008000000000000ull +#define PCIE_REG_IODA_AD_TBL_TVT 0x0009000000000000ull +#define PCIE_REG_IODA_AD_TBL_TCE 0x000a000000000000ull +#define PCIE_REG_IODA_DATA0 0x228 +#define PCIE_REG_IODA_DATA1 0x230 + +#define PCIE_REG_LOCK2 0x240 + +#define PCIE_REG_PHB_GEN_CAP 0x250 +#define PCIE_REG_PHB_TCE_CAP 0x258 +#define PCIE_REG_PHB_IRQ_CAP 0x260 +#define PCIE_REG_PHB_EEH_CAP 0x268 + +#define PCIE_REG_PAPR_ERR_INJ_CONTROL 0x2b0 +#define PCIE_REG_PAPR_ERR_INJ_ADDR 0x2b8 +#define PCIE_REG_PAPR_ERR_INJ_MASK 0x2c0 + + +#define PCIE_REG_SYS_CFG1 0x600 +#define PCIE_REG_SYS_CFG1_CLASS_CODE 0x0000000000ffffffull + +#define IODA_TVT0_TTA_MASK 0x000fffffffff0000ull +#define IODA_TVT0_TTA_SHIFT 4 +#define IODA_TVT0_BUSNUM_VALID_MASK 0x000000000000e000ull +#define IODA_TVT0_TCE_TABLE_SIZE_MASK 0x0000000000001f00ull +#define IODA_TVT0_TCE_TABLE_SIZE_SHIFT 8 +#define IODA_TVT0_BUSNUM_VALUE_MASK 0x00000000000000ffull +#define IODA_TVT0_BUSNUM_VALID_SHIFT 0 +#define IODA_TVT1_DEVNUM_VALID 0x2000000000000000ull +#define IODA_TVT1_DEVNUM_VALUE_MASK 0x1f00000000000000ull +#define IODA_TVT1_DEVNUM_VALUE_SHIFT 56 +#define IODA_TVT1_FUNCNUM_VALID 0x0008000000000000ull +#define IODA_TVT1_FUNCNUM_VALUE_MASK 0x0007000000000000ull +#define IODA_TVT1_FUNCNUM_VALUE_SHIFT 48 +#define IODA_TVT1_IO_PAGE_SIZE_MASK 0x00001f0000000000ull +#define IODA_TVT1_IO_PAGE_SIZE_SHIFT 40 +#define IODA_TVT1_PE_NUMBER_MASK 0x000000000000003full +#define IODA_TVT1_PE_NUMBER_SHIFT 0 + +#define IODA_TVT_COUNT 64 + +/* UTL Core registers */ +#define PCIE_UTL_SYS_BUS_CONTROL 0x400 +#define PCIE_UTL_STATUS 0x408 +#define PCIE_UTL_SYS_BUS_AGENT_STATUS 0x410 +#define PCIE_UTL_SYS_BUS_AGENT_ERR_SEV 0x418 +#define PCIE_UTL_SYS_BUS_AGENT_IRQ_EN 0x420 +#define PCIE_UTL_SYS_BUS_BURST_SZ_CONF 0x440 +#define PCIE_UTL_REVISION_ID 0x448 + +#define PCIE_UTL_OUT_POST_HDR_BUF_ALLOC 0x4c0 +#define PCIE_UTL_OUT_POST_DAT_BUF_ALLOC 0x4d0 +#define PCIE_UTL_IN_POST_HDR_BUF_ALLOC 0x4e0 +#define PCIE_UTL_IN_POST_DAT_BUF_ALLOC 0x4f0 +#define PCIE_UTL_OUT_NP_BUF_ALLOC 0x500 +#define PCIE_UTL_IN_NP_BUF_ALLOC 0x510 +#define PCIE_UTL_PCIE_TAGS_ALLOC 0x520 +#define PCIE_UTL_GBIF_READ_TAGS_ALLOC 0x530 + +#define PCIE_UTL_PCIE_PORT_CONTROL 0x540 +#define PCIE_UTL_PCIE_PORT_STATUS 0x548 +#define PCIE_UTL_PCIE_PORT_ERROR_SEV 0x550 +#define PCIE_UTL_PCIE_PORT_IRQ_EN 0x558 +#define PCIE_UTL_RC_STATUS 0x560 +#define PCIE_UTL_RC_ERR_SEVERITY 0x568 +#define PCIE_UTL_RC_IRQ_EN 0x570 +#define PCIE_UTL_EP_STATUS 0x578 +#define PCIE_UTL_EP_ERR_SEVERITY 0x580 +#define PCIE_UTL_EP_ERR_IRQ_EN 0x588 + +#define PCIE_UTL_PCI_PM_CTRL1 0x590 +#define PCIE_UTL_PCI_PM_CTRL2 0x598 + +/* PCIe stack registers */ +#define PCIE_REG_SYSTEM_CONFIG1 0x600 +#define PCIE_REG_SYSTEM_CONFIG2 0x608 +#define PCIE_REG_EP_SYSTEM_CONFIG 0x618 +#define PCIE_REG_EP_FLR 0x620 +#define PCIE_REG_EP_BAR_CONFIG 0x628 +#define PCIE_REG_LINK_CONFIG 0x630 +#define PCIE_REG_PM_CONFIG 0x640 +#define PCIE_REG_DLP_CONTROL 0x650 +#define PCIE_REG_DLP_STATUS 0x658 +#define PCIE_REG_ERR_REPORT_CONTROL 0x660 +#define PCIE_REG_SLOT_CONTROL1 0x670 +#define PCIE_REG_SLOT_CONTROL2 0x678 +#define PCIE_REG_UTL_CONFIG 0x680 +#define PCIE_REG_BUFFERS_CONFIG 0x690 +#define PCIE_REG_ERROR_INJECT 0x698 +#define PCIE_REG_SRIOV_CONFIG 0x6a0 +#define PCIE_REG_PF0_SRIOV_STATUS 0x6a8 +#define PCIE_REG_PF1_SRIOV_STATUS 0x6b0 +#define PCIE_REG_PORT_NUMBER 0x700 +#define PCIE_REG_POR_SYSTEM_CONFIG 0x708 + +/* PHB internal logic registers */ +#define PCIE_REG_PHB_VERSION 0x800 +#define PCIE_REG_RESET 0x808 +#define PCIE_REG_PHB_CONTROL 0x810 +#define PCIE_REG_PHB_TIMEOUT_CONTROL1 0x878 +#define PCIE_REG_PHB_QUIESCE_DMA 0x888 +#define PCIE_REG_PHB_DMA_READ_TAG_ACTV 0x900 +#define PCIE_REG_PHB_TCE_READ_TAG_ACTV 0x908 + +/* FIR registers */ +#define PCIE_REG_LEM_FIR_ACCUM 0xc00 +#define PCIE_REG_LEM_FIR_AND_MASK 0xc08 +#define PCIE_REG_LEM_FIR_OR_MASK 0xc10 +#define PCIE_REG_LEM_ACTION0 0xc18 +#define PCIE_REG_LEM_ACTION1 0xc20 +#define PCIE_REG_LEM_ERROR_MASK 0xc30 +#define PCIE_REG_LEM_ERROR_AND_MASK 0xc38 +#define PCIE_REG_LEM_ERROR_OR_MASK 0xc40 + +/* PHB Error registers */ +#define PCIE_REG_PHB_ERR_STATUS 0xc80 +#define PCIE_REG_PHB_ERR1_STATUS 0xc88 +#define PCIE_REG_PHB_ERR_INJECT 0xc90 +#define PCIE_REG_PHB_ERR_LEM_ENABLE 0xc98 +#define PCIE_REG_PHB_ERR_IRQ_ENABLE 0xca0 +#define PCIE_REG_PHB_ERR_FREEZE_ENABLE 0xca8 +#define PCIE_REG_PHB_ERR_SIDE_ENABLE 0xcb8 +#define PCIE_REG_PHB_ERR_LOG_0 0xcc0 +#define PCIE_REG_PHB_ERR_LOG_1 0xcc8 +#define PCIE_REG_PHB_ERR_STATUS_MASK 0xcd0 +#define PCIE_REG_PHB_ERR1_STATUS_MASK 0xcd8 + +#define PCIE_REG_MMIO_ERR_STATUS 0xd00 +#define PCIE_REG_MMIO_ERR1_STATUS 0xd08 +#define PCIE_REG_MMIO_ERR_INJECT 0xd10 +#define PCIE_REG_MMIO_ERR_LEM_ENABLE 0xd18 +#define PCIE_REG_MMIO_ERR_IRQ_ENABLE 0xd20 +#define PCIE_REG_MMIO_ERR_FREEZE_ENABLE 0xd28 +#define PCIE_REG_MMIO_ERR_SIDE_ENABLE 0xd38 +#define PCIE_REG_MMIO_ERR_LOG_0 0xd40 +#define PCIE_REG_MMIO_ERR_LOG_1 0xd48 +#define PCIE_REG_MMIO_ERR_STATUS_MASK 0xd50 +#define PCIE_REG_MMIO_ERR1_STATUS_MASK 0xd58 + +#define PCIE_REG_DMA_ERR_STATUS 0xd80 +#define PCIE_REG_DMA_ERR1_STATUS 0xd88 +#define PCIE_REG_DMA_ERR_INJECT 0xd90 +#define PCIE_REG_DMA_ERR_LEM_ENABLE 0xd98 +#define PCIE_REG_DMA_ERR_IRQ_ENABLE 0xda0 +#define PCIE_REG_DMA_ERR_FREEZE_ENABLE 0xda8 +#define PCIE_REG_DMA_ERR_SIDE_ENABLE 0xdb8 +#define PCIE_REG_DMA_ERR_LOG_0 0xdc0 +#define PCIE_REG_DMA_ERR_LOG_1 0xdc8 +#define PCIE_REG_DMA_ERR_STATUS_MASK 0xdd0 +#define PCIE_REG_DMA_ERR1_STATUS_MASK 0xdd8 + +/* Shortcuts for access to the above using the PHB definitions + * with an offset + */ +#define PCIE_REG_ERR_PHB_OFFSET 0x0 +#define PCIE_REG_ERR_MMIO_OFFSET 0x80 +#define PCIE_REG_ERR_DMA_OFFSET 0x100 + +/* Debug and Trace registers */ +#define PCIE_REG_PHB_DEBUG_CONTROL0 0xe00 +#define PCIE_REG_PHB_DEBUG_STATUS0 0xe08 +#define PCIE_REG_PHB_DEBUG_CONTROL1 0xe10 +#define PCIE_REG_PHB_DEBUG_STATUS1 0xe18 +#define PCIE_REG_PHB_DEBUG_CONTROL2 0xe20 +#define PCIE_REG_PHB_DEBUG_STATUS2 0xe28 +#define PCIE_REG_PHB_DEBUG_CONTROL3 0xe30 +#define PCIE_REG_PHB_DEBUG_STATUS3 0xe38 +#define PCIE_REG_PHB_DEBUG_CONTROL4 0xe40 +#define PCIE_REG_PHB_DEBUG_STATUS4 0xe48 +#define PCIE_REG_PHB_DEBUG_CONTROL5 0xe50 +#define PCIE_REG_PHB_DEBUG_STATUS5 0xe58 +#define PCIE_REG_PHB_DEBUG_CONTROL6 0xe60 +#define PCIE_REG_PHB_DEBUG_STATUS6 0xe68 + +/* Definition for PCIe errors */ +struct wsp_pcie_err_log_data { + __u64 phb_err; + __u64 phb_err1; + __u64 phb_log0; + __u64 phb_log1; + __u64 mmio_err; + __u64 mmio_err1; + __u64 mmio_log0; + __u64 mmio_log1; + __u64 dma_err; + __u64 dma_err1; + __u64 dma_log0; + __u64 dma_log1; + __u64 utl_sys_err; + __u64 utl_port_err; + __u64 utl_rc_err; + __u64 unused; +}; + +#endif /* __WSP_PCI_H */ |