diff options
Diffstat (limited to 'arch/arm/mach-versatile')
| -rw-r--r-- | arch/arm/mach-versatile/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/Makefile.boot | 2 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/core.c | 62 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/core.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/include/mach/debug-macro.S | 2 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/include/mach/gpio.h | 7 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/include/mach/hardware.h | 6 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/include/mach/memory.h | 28 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/pci.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/versatile_ab.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-versatile/versatile_pb.c | 2 |
12 files changed, 84 insertions, 45 deletions
diff --git a/arch/arm/mach-versatile/Kconfig b/arch/arm/mach-versatile/Kconfig index 9cdec5a..c1f38f6 100644 --- a/arch/arm/mach-versatile/Kconfig +++ b/arch/arm/mach-versatile/Kconfig @@ -17,4 +17,12 @@ config MACH_VERSATILE_AB Include support for the ARM(R) Versatile Application Baseboard for the ARM926EJ-S. +config MACH_VERSATILE_DT + bool "Support Versatile platform from device tree" + select USE_OF + select CPU_ARM926T + help + Include support for the ARM(R) Versatile/PB platform, + using the device tree for discovery + endmenu diff --git a/arch/arm/mach-versatile/Makefile b/arch/arm/mach-versatile/Makefile index 97cf4d8..81fa3fe 100644 --- a/arch/arm/mach-versatile/Makefile +++ b/arch/arm/mach-versatile/Makefile @@ -5,4 +5,5 @@ obj-y := core.o obj-$(CONFIG_ARCH_VERSATILE_PB) += versatile_pb.o obj-$(CONFIG_MACH_VERSATILE_AB) += versatile_ab.o +obj-$(CONFIG_MACH_VERSATILE_DT) += versatile_dt.o obj-$(CONFIG_PCI) += pci.o diff --git a/arch/arm/mach-versatile/Makefile.boot b/arch/arm/mach-versatile/Makefile.boot index c7e75ac..ff0a4b5 100644 --- a/arch/arm/mach-versatile/Makefile.boot +++ b/arch/arm/mach-versatile/Makefile.boot @@ -1,4 +1,4 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 0c99cf0..e340a54 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -24,6 +24,9 @@ #include <linux/platform_device.h> #include <linux/sysdev.h> #include <linux/interrupt.h> +#include <linux/irqdomain.h> +#include <linux/of_address.h> +#include <linux/of_platform.h> #include <linux/amba/bus.h> #include <linux/amba/clcd.h> #include <linux/amba/pl061.h> @@ -83,13 +86,26 @@ static struct fpga_irq_data sic_irq = { #define PIC_MASK 0 #endif +/* Lookup table for finding a DT node that represents the vic instance */ +static const struct of_device_id vic_of_match[] __initconst = { + { .compatible = "arm,versatile-vic", }, + {} +}; + +static const struct of_device_id sic_of_match[] __initconst = { + { .compatible = "arm,versatile-sic", }, + {} +}; + void __init versatile_init_irq(void) { vic_init(VA_VIC_BASE, IRQ_VIC_START, ~0, 0); + irq_domain_generate_simple(vic_of_match, VERSATILE_VIC_BASE, IRQ_VIC_START); writel(~0, VA_SIC_BASE + SIC_IRQ_ENABLE_CLEAR); fpga_irq_init(IRQ_VICSOURCE31, ~PIC_MASK, &sic_irq); + irq_domain_generate_simple(sic_of_match, VERSATILE_SIC_BASE, IRQ_SIC_START); /* * Interrupts on secondary controller from 0 to 8 are routed to @@ -646,6 +662,52 @@ static struct amba_device *amba_devs[] __initdata = { &kmi1_device, }; +#ifdef CONFIG_OF +/* + * Lookup table for attaching a specific name and platform_data pointer to + * devices as they get created by of_platform_populate(). Ideally this table + * would not exist, but the current clock implementation depends on some devices + * having a specific name. + */ +struct of_dev_auxdata versatile_auxdata_lookup[] __initdata = { + OF_DEV_AUXDATA("arm,primecell", VERSATILE_MMCI0_BASE, "fpga:05", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_KMI0_BASE, "fpga:06", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_KMI1_BASE, "fpga:07", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART3_BASE, "fpga:09", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_MMCI1_BASE, "fpga:0b", NULL), + + OF_DEV_AUXDATA("arm,primecell", VERSATILE_CLCD_BASE, "dev:20", &clcd_plat_data), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART0_BASE, "dev:f1", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART1_BASE, "dev:f2", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_UART2_BASE, "dev:f3", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_SSP_BASE, "dev:f4", NULL), + +#if 0 + /* + * These entries are unnecessary because no clocks referencing + * them. I've left them in for now as place holders in case + * any of them need to be added back, but they should be + * removed before actually committing this patch. --gcl + */ + OF_DEV_AUXDATA("arm,primecell", VERSATILE_AACI_BASE, "fpga:04", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_SCI1_BASE, "fpga:0a", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_SMC_BASE, "dev:00", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_MPMC_BASE, "dev:10", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_DMAC_BASE, "dev:30", NULL), + + OF_DEV_AUXDATA("arm,primecell", VERSATILE_SCTL_BASE, "dev:e0", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_WATCHDOG_BASE, "dev:e1", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO0_BASE, "dev:e4", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO1_BASE, "dev:e5", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO2_BASE, "dev:e6", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_GPIO3_BASE, "dev:e7", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_RTC_BASE, "dev:e8", NULL), + OF_DEV_AUXDATA("arm,primecell", VERSATILE_SCI_BASE, "dev:f0", NULL), +#endif + {} +}; +#endif + #ifdef CONFIG_LEDS #define VA_LEDS_BASE (__io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_LED_OFFSET) diff --git a/arch/arm/mach-versatile/core.h b/arch/arm/mach-versatile/core.h index fd6404e..e014227 100644 --- a/arch/arm/mach-versatile/core.h +++ b/arch/arm/mach-versatile/core.h @@ -23,6 +23,7 @@ #define __ASM_ARCH_VERSATILE_H #include <linux/amba/bus.h> +#include <linux/of_platform.h> extern void __init versatile_init(void); extern void __init versatile_init_early(void); @@ -30,6 +31,9 @@ extern void __init versatile_init_irq(void); extern void __init versatile_map_io(void); extern struct sys_timer versatile_timer; extern unsigned int mmc_status(struct device *dev); +#ifdef CONFIG_OF +extern struct of_dev_auxdata versatile_auxdata_lookup[]; +#endif #define AMBA_DEVICE(name,busid,base,plat) \ static struct amba_device name##_device = { \ diff --git a/arch/arm/mach-versatile/include/mach/debug-macro.S b/arch/arm/mach-versatile/include/mach/debug-macro.S index eb2cf7d..d0fbd7f 100644 --- a/arch/arm/mach-versatile/include/mach/debug-macro.S +++ b/arch/arm/mach-versatile/include/mach/debug-macro.S @@ -11,7 +11,7 @@ * */ - .macro addruart, rp, rv + .macro addruart, rp, rv, tmp mov \rp, #0x001F0000 orr \rp, \rp, #0x00001000 orr \rv, \rp, #0xf1000000 @ virtual base diff --git a/arch/arm/mach-versatile/include/mach/gpio.h b/arch/arm/mach-versatile/include/mach/gpio.h index 94ff276..40a8c17 100644 --- a/arch/arm/mach-versatile/include/mach/gpio.h +++ b/arch/arm/mach-versatile/include/mach/gpio.h @@ -1,6 +1 @@ -#include <asm-generic/gpio.h> - -#define gpio_get_value __gpio_get_value -#define gpio_set_value __gpio_set_value -#define gpio_cansleep __gpio_cansleep -#define gpio_to_irq __gpio_to_irq +/* empty */ diff --git a/arch/arm/mach-versatile/include/mach/hardware.h b/arch/arm/mach-versatile/include/mach/hardware.h index 6911e1f..4d4973d 100644 --- a/arch/arm/mach-versatile/include/mach/hardware.h +++ b/arch/arm/mach-versatile/include/mach/hardware.h @@ -30,12 +30,6 @@ #define VERSATILE_PCI_VIRT_BASE (void __iomem *)0xe8000000ul #define VERSATILE_PCI_CFG_VIRT_BASE (void __iomem *)0xe9000000ul -/* CIK guesswork */ -#define PCIBIOS_MIN_IO 0x44000000 -#define PCIBIOS_MIN_MEM 0x50000000 - -#define pcibios_assign_all_busses() 1 - /* macro to get at IO space when running virtually */ #define IO_ADDRESS(x) (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000) diff --git a/arch/arm/mach-versatile/include/mach/memory.h b/arch/arm/mach-versatile/include/mach/memory.h deleted file mode 100644 index dacc9d8..0000000 --- a/arch/arm/mach-versatile/include/mach/memory.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - * arch/arm/mach-versatile/include/mach/memory.h - * - * Copyright (C) 2003 ARM Limited - * - * 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. - * - * 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 - */ -#ifndef __ASM_ARCH_MEMORY_H -#define __ASM_ARCH_MEMORY_H - -/* - * Physical DRAM offset. - */ -#define PLAT_PHYS_OFFSET UL(0x00000000) - -#endif diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c index 3f47259..189ed00 100644 --- a/arch/arm/mach-versatile/pci.c +++ b/arch/arm/mach-versatile/pci.c @@ -311,6 +311,9 @@ struct pci_bus * __init pci_versatile_scan_bus(int nr, struct pci_sys_data *sys) void __init pci_versatile_preinit(void) { + pcibios_min_io = 0x44000000; + pcibios_min_mem = 0x50000000; + __raw_writel(VERSATILE_PCI_MEM_BASE0 >> 28, PCI_IMAP0); __raw_writel(VERSATILE_PCI_MEM_BASE1 >> 28, PCI_IMAP1); __raw_writel(VERSATILE_PCI_MEM_BASE2 >> 28, PCI_IMAP2); @@ -325,7 +328,7 @@ void __init pci_versatile_preinit(void) /* * map the specified device/slot/pin to an IRQ. Different backplanes may need to modify this. */ -static int __init versatile_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +static int __init versatile_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { int irq; int devslot = PCI_SLOT(dev->devfn); diff --git a/arch/arm/mach-versatile/versatile_ab.c b/arch/arm/mach-versatile/versatile_ab.c index f8ae64b..fda4866 100644 --- a/arch/arm/mach-versatile/versatile_ab.c +++ b/arch/arm/mach-versatile/versatile_ab.c @@ -35,7 +35,7 @@ MACHINE_START(VERSATILE_AB, "ARM-Versatile AB") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .boot_params = 0x00000100, + .atag_offset = 0x100, .map_io = versatile_map_io, .init_early = versatile_init_early, .init_irq = versatile_init_irq, diff --git a/arch/arm/mach-versatile/versatile_pb.c b/arch/arm/mach-versatile/versatile_pb.c index 37c23df..feaf9cb 100644 --- a/arch/arm/mach-versatile/versatile_pb.c +++ b/arch/arm/mach-versatile/versatile_pb.c @@ -103,7 +103,7 @@ static void __init versatile_pb_init(void) MACHINE_START(VERSATILE_PB, "ARM-Versatile PB") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .boot_params = 0x00000100, + .atag_offset = 0x100, .map_io = versatile_map_io, .init_early = versatile_init_early, .init_irq = versatile_init_irq, |