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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-10-09 21:31:58 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-09 21:31:58 +0100
commit9e165acf1b9e37af7c0fa39399b43d0bd8600039 (patch)
tree7ffdb0ad4c35ac9c19c4096b4f22ccc9b1eeefad /arch/arm/mach-at91
parent6a4690c22f5da1eb1c898b61b6a80da52fbd976f (diff)
parent791ccf2e4deeea8426b389fd0f5bb0e9167bb75d (diff)
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Merge branch 'at91' into devel
Diffstat (limited to 'arch/arm/mach-at91')
-rw-r--r--arch/arm/mach-at91/Kconfig22
-rw-r--r--arch/arm/mach-at91/Makefile2
-rw-r--r--arch/arm/mach-at91/at91cap9.c6
-rw-r--r--arch/arm/mach-at91/at91cap9_devices.c54
-rw-r--r--arch/arm/mach-at91/at91sam9263.c6
-rw-r--r--arch/arm/mach-at91/at91sam9263_devices.c53
-rw-r--r--arch/arm/mach-at91/at91sam9rl.c6
-rw-r--r--arch/arm/mach-at91/at91sam9rl_devices.c98
-rw-r--r--arch/arm/mach-at91/board-afeb-9260v1.c210
-rw-r--r--arch/arm/mach-at91/board-cap9adk.c2
-rw-r--r--arch/arm/mach-at91/board-carmeva.c28
-rw-r--r--arch/arm/mach-at91/board-csb337.c12
-rw-r--r--arch/arm/mach-at91/board-csb637.c4
-rw-r--r--arch/arm/mach-at91/board-dk.c4
-rw-r--r--arch/arm/mach-at91/board-ecbat91.c2
-rw-r--r--arch/arm/mach-at91/board-ek.c4
-rw-r--r--arch/arm/mach-at91/board-picotux200.c2
-rw-r--r--arch/arm/mach-at91/board-qil-a9260.c14
-rw-r--r--arch/arm/mach-at91/board-sam9-l9260.c4
-rw-r--r--arch/arm/mach-at91/board-sam9260ek.c80
-rw-r--r--arch/arm/mach-at91/board-sam9261ek.c18
-rw-r--r--arch/arm/mach-at91/board-sam9263ek.c64
-rw-r--r--arch/arm/mach-at91/board-sam9g20ek.c8
-rw-r--r--arch/arm/mach-at91/board-sam9rlek.c8
-rw-r--r--arch/arm/mach-at91/board-usb-a9260.c14
-rw-r--r--arch/arm/mach-at91/board-usb-a9263.c14
-rw-r--r--arch/arm/mach-at91/board-yl-9200.c50
-rw-r--r--arch/arm/mach-at91/include/mach/at91_pit.h3
-rw-r--r--arch/arm/mach-at91/include/mach/at91_rstc.h3
-rw-r--r--arch/arm/mach-at91/include/mach/at91_rtt.h3
-rw-r--r--arch/arm/mach-at91/include/mach/at91_shdwc.h3
-rw-r--r--arch/arm/mach-at91/include/mach/at91_wdt.h3
-rw-r--r--arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h2
-rw-r--r--arch/arm/mach-at91/include/mach/at91sam9260_matrix.h2
-rw-r--r--arch/arm/mach-at91/include/mach/at91sam9261_matrix.h2
-rw-r--r--arch/arm/mach-at91/include/mach/at91sam9_sdramc.h3
-rw-r--r--arch/arm/mach-at91/include/mach/at91sam9_smc.h3
-rw-r--r--arch/arm/mach-at91/include/mach/board.h14
-rw-r--r--arch/arm/mach-at91/leds.c45
-rw-r--r--arch/arm/mach-at91/pm_slowclock.S283
40 files changed, 1045 insertions, 113 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index a048b92..5aafb2e 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -175,6 +175,15 @@ config MACH_SAM9_L9260
Select this if you are using Olimex's SAM9-L9260 board based on the Atmel AT91SAM9260.
<http://www.olimex.com/dev/sam9-L9260.html>
+config MACH_AFEB9260
+ bool "Custom afeb9260 board v1"
+ depends on ARCH_AT91SAM9260
+ help
+ Select this if you are using custom afeb9260 board based on
+ open hardware design. Select this for revision 1 of the board.
+ <svn://194.85.238.22/home/users/george/svn/arm9eb>
+ <http://groups.google.com/group/arm9fpga-evolution-board>
+
config MACH_USB_A9260
bool "CALAO USB-A9260"
depends on ARCH_AT91SAM9260
@@ -314,6 +323,19 @@ config AT91_PROGRAMMABLE_CLOCKS
Select this if you need to program one or more of the PCK0..PCK3
programmable clock outputs.
+config AT91_SLOW_CLOCK
+ bool "Suspend-to-RAM disables main oscillator"
+ depends on SUSPEND
+ help
+ Select this if you want Suspend-to-RAM to save the most power
+ possible (without powering off the CPU) by disabling the PLLs
+ and main oscillator so that only the 32 KiHz clock is available.
+
+ When only that slow-clock is available, some peripherals lose
+ functionality. Many can't issue wakeup events unless faster
+ clocks are available. Some lose their operating state and
+ need to be completely re-initialized.
+
config AT91_TIMER_HZ
int "Kernel HZ (jiffies per second)"
range 32 1024
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 7d641f9..cca612d 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_MACH_CAM60) += board-cam60.o
obj-$(CONFIG_MACH_SAM9_L9260) += board-sam9-l9260.o
obj-$(CONFIG_MACH_USB_A9260) += board-usb-a9260.o
obj-$(CONFIG_MACH_QIL_A9260) += board-qil-a9260.o
+obj-$(CONFIG_MACH_AFEB9260) += board-afeb-9260v1.o
# AT91SAM9261 board-specific support
obj-$(CONFIG_MACH_AT91SAM9261EK) += board-sam9261ek.o
@@ -64,6 +65,7 @@ obj-y += leds.o
# Power Management
obj-$(CONFIG_PM) += pm.o
+obj-$(CONFIG_AT91_SLOW_CLOCK) += pm_slowclock.o
ifeq ($(CONFIG_PM_DEBUG),y)
CFLAGS_pm.o += -DDEBUG
diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c
index 638948c..0fc0ada 100644
--- a/arch/arm/mach-at91/at91cap9.c
+++ b/arch/arm/mach-at91/at91cap9.c
@@ -141,8 +141,8 @@ static struct clk tcb_clk = {
.pmc_mask = 1 << AT91CAP9_ID_TCB,
.type = CLK_TYPE_PERIPHERAL,
};
-static struct clk pwmc_clk = {
- .name = "pwmc_clk",
+static struct clk pwm_clk = {
+ .name = "pwm_clk",
.pmc_mask = 1 << AT91CAP9_ID_PWMC,
.type = CLK_TYPE_PERIPHERAL,
};
@@ -207,7 +207,7 @@ static struct clk *periph_clocks[] __initdata = {
&ssc1_clk,
&ac97_clk,
&tcb_clk,
- &pwmc_clk,
+ &pwm_clk,
&macb_clk,
&aestdes_clk,
&adc_clk,
diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c
index abb4aac..5ebd427 100644
--- a/arch/arm/mach-at91/at91cap9_devices.c
+++ b/arch/arm/mach-at91/at91cap9_devices.c
@@ -719,6 +719,60 @@ static void __init at91_add_device_watchdog(void) {}
/* --------------------------------------------------------------------
+ * PWM
+ * --------------------------------------------------------------------*/
+
+#if defined(CONFIG_ATMEL_PWM)
+static u32 pwm_mask;
+
+static struct resource pwm_resources[] = {
+ [0] = {
+ .start = AT91CAP9_BASE_PWMC,
+ .end = AT91CAP9_BASE_PWMC + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91CAP9_ID_PWMC,
+ .end = AT91CAP9_ID_PWMC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91cap9_pwm0_device = {
+ .name = "atmel_pwm",
+ .id = -1,
+ .dev = {
+ .platform_data = &pwm_mask,
+ },
+ .resource = pwm_resources,
+ .num_resources = ARRAY_SIZE(pwm_resources),
+};
+
+void __init at91_add_device_pwm(u32 mask)
+{
+ if (mask & (1 << AT91_PWM0))
+ at91_set_A_periph(AT91_PIN_PB19, 1); /* enable PWM0 */
+
+ if (mask & (1 << AT91_PWM1))
+ at91_set_B_periph(AT91_PIN_PB8, 1); /* enable PWM1 */
+
+ if (mask & (1 << AT91_PWM2))
+ at91_set_B_periph(AT91_PIN_PC29, 1); /* enable PWM2 */
+
+ if (mask & (1 << AT91_PWM3))
+ at91_set_B_periph(AT91_PIN_PA11, 1); /* enable PWM3 */
+
+ pwm_mask = mask;
+
+ platform_device_register(&at91cap9_pwm0_device);
+}
+#else
+void __init at91_add_device_pwm(u32 mask) {}
+#endif
+
+
+
+/* --------------------------------------------------------------------
* AC97
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
index 80bfab5..ada4b67 100644
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -129,8 +129,8 @@ static struct clk tcb_clk = {
.pmc_mask = 1 << AT91SAM9263_ID_TCB,
.type = CLK_TYPE_PERIPHERAL,
};
-static struct clk pwmc_clk = {
- .name = "pwmc_clk",
+static struct clk pwm_clk = {
+ .name = "pwm_clk",
.pmc_mask = 1 << AT91SAM9263_ID_PWMC,
.type = CLK_TYPE_PERIPHERAL,
};
@@ -187,7 +187,7 @@ static struct clk *periph_clocks[] __initdata = {
&ssc1_clk,
&ac97_clk,
&tcb_clk,
- &pwmc_clk,
+ &pwm_clk,
&macb_clk,
&twodge_clk,
&udc_clk,
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index c93992f..8b88408 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -886,6 +886,59 @@ static void __init at91_add_device_watchdog(void) {}
/* --------------------------------------------------------------------
+ * PWM
+ * --------------------------------------------------------------------*/
+
+#if defined(CONFIG_ATMEL_PWM)
+static u32 pwm_mask;
+
+static struct resource pwm_resources[] = {
+ [0] = {
+ .start = AT91SAM9263_BASE_PWMC,
+ .end = AT91SAM9263_BASE_PWMC + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9263_ID_PWMC,
+ .end = AT91SAM9263_ID_PWMC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9263_pwm0_device = {
+ .name = "atmel_pwm",
+ .id = -1,
+ .dev = {
+ .platform_data = &pwm_mask,
+ },
+ .resource = pwm_resources,
+ .num_resources = ARRAY_SIZE(pwm_resources),
+};
+
+void __init at91_add_device_pwm(u32 mask)
+{
+ if (mask & (1 << AT91_PWM0))
+ at91_set_B_periph(AT91_PIN_PB7, 1); /* enable PWM0 */
+
+ if (mask & (1 << AT91_PWM1))
+ at91_set_B_periph(AT91_PIN_PB8, 1); /* enable PWM1 */
+
+ if (mask & (1 << AT91_PWM2))
+ at91_set_B_periph(AT91_PIN_PC29, 1); /* enable PWM2 */
+
+ if (mask & (1 << AT91_PWM3))
+ at91_set_B_periph(AT91_PIN_PB29, 1); /* enable PWM3 */
+
+ pwm_mask = mask;
+
+ platform_device_register(&at91sam9263_pwm0_device);
+}
+#else
+void __init at91_add_device_pwm(u32 mask) {}
+#endif
+
+
+/* --------------------------------------------------------------------
* SSC -- Synchronous Serial Controller
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
index 556bddf..252e954 100644
--- a/arch/arm/mach-at91/at91sam9rl.c
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -131,8 +131,8 @@ static struct clk tc2_clk = {
.pmc_mask = 1 << AT91SAM9RL_ID_TC2,
.type = CLK_TYPE_PERIPHERAL,
};
-static struct clk pwmc_clk = {
- .name = "pwmc_clk",
+static struct clk pwm_clk = {
+ .name = "pwm_clk",
.pmc_mask = 1 << AT91SAM9RL_ID_PWMC,
.type = CLK_TYPE_PERIPHERAL,
};
@@ -180,7 +180,7 @@ static struct clk *periph_clocks[] __initdata = {
&tc0_clk,
&tc1_clk,
&tc2_clk,
- &pwmc_clk,
+ &pwm_clk,
&tsc_clk,
&dma_clk,
&udphs_clk,
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index 6208863..87deb1e 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -527,6 +527,51 @@ static void __init at91_add_device_tc(void) { }
/* --------------------------------------------------------------------
+ * Touchscreen
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE)
+static u64 tsadcc_dmamask = DMA_BIT_MASK(32);
+
+static struct resource tsadcc_resources[] = {
+ [0] = {
+ .start = AT91SAM9RL_BASE_TSC,
+ .end = AT91SAM9RL_BASE_TSC + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9RL_ID_TSC,
+ .end = AT91SAM9RL_ID_TSC,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct platform_device at91sam9rl_tsadcc_device = {
+ .name = "atmel_tsadcc",
+ .id = -1,
+ .dev = {
+ .dma_mask = &tsadcc_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = tsadcc_resources,
+ .num_resources = ARRAY_SIZE(tsadcc_resources),
+};
+
+void __init at91_add_device_tsadcc(void)
+{
+ at91_set_A_periph(AT91_PIN_PA17, 0); /* AD0_XR */
+ at91_set_A_periph(AT91_PIN_PA18, 0); /* AD1_XL */
+ at91_set_A_periph(AT91_PIN_PA19, 0); /* AD2_YT */
+ at91_set_A_periph(AT91_PIN_PA20, 0); /* AD3_TB */
+
+ platform_device_register(&at91sam9rl_tsadcc_device);
+}
+#else
+void __init at91_add_device_tsadcc(void) {}
+#endif
+
+
+/* --------------------------------------------------------------------
* RTC
* -------------------------------------------------------------------- */
@@ -592,6 +637,59 @@ static void __init at91_add_device_watchdog(void) {}
/* --------------------------------------------------------------------
+ * PWM
+ * --------------------------------------------------------------------*/
+
+#if defined(CONFIG_ATMEL_PWM)
+static u32 pwm_mask;
+
+static struct resource pwm_resources[] = {
+ [0] = {
+ .start = AT91SAM9RL_BASE_PWMC,
+ .end = AT91SAM9RL_BASE_PWMC + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9RL_ID_PWMC,
+ .end = AT91SAM9RL_ID_PWMC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9rl_pwm0_device = {
+ .name = "atmel_pwm",
+ .id = -1,
+ .dev = {
+ .platform_data = &pwm_mask,
+ },
+ .resource = pwm_resources,
+ .num_resources = ARRAY_SIZE(pwm_resources),
+};
+
+void __init at91_add_device_pwm(u32 mask)
+{
+ if (mask & (1 << AT91_PWM0))
+ at91_set_B_periph(AT91_PIN_PB8, 1); /* enable PWM0 */
+
+ if (mask & (1 << AT91_PWM1))
+ at91_set_B_periph(AT91_PIN_PB9, 1); /* enable PWM1 */
+
+ if (mask & (1 << AT91_PWM2))
+ at91_set_B_periph(AT91_PIN_PD5, 1); /* enable PWM2 */
+
+ if (mask & (1 << AT91_PWM3))
+ at91_set_B_periph(AT91_PIN_PD8, 1); /* enable PWM3 */
+
+ pwm_mask = mask;
+
+ platform_device_register(&at91sam9rl_pwm0_device);
+}
+#else
+void __init at91_add_device_pwm(u32 mask) {}
+#endif
+
+
+/* --------------------------------------------------------------------
* SSC -- Synchronous Serial Controller
* -------------------------------------------------------------------- */
diff --git a/arch/arm/mach-at91/board-afeb-9260v1.c b/arch/arm/mach-at91/board-afeb-9260v1.c
new file mode 100644
index 0000000..9c040c7
--- /dev/null
+++ b/arch/arm/mach-at91/board-afeb-9260v1.c
@@ -0,0 +1,210 @@
+/*
+ * linux/arch/arm/mach-at91/board-afeb-9260v1.c
+ *
+ * Copyright (C) 2005 SAN People
+ * Copyright (C) 2006 Atmel
+ * Copyright (C) 2008 Sergey Lapin
+ *
+ * A custom board designed as open hardware; PCBs and various information
+ * is available at http://groups.google.com/group/arm9fpga-evolution-board/
+ * Subversion repository: svn://194.85.238.22/home/users/george/svn/arm9eb
+ *
+ * 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
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/clk.h>
+#include <linux/dma-mapping.h>
+
+#include <mach/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/board.h>
+#include <mach/gpio.h>
+
+#include "generic.h"
+
+
+static void __init afeb9260_map_io(void)
+{
+ /* Initialize processor: 18.432 MHz crystal */
+ at91sam9260_initialize(18432000);
+
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91SAM9260_ID_US0, 1,
+ ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR
+ | ATMEL_UART_DCD | ATMEL_UART_RI);
+
+ /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
+ at91_register_uart(AT91SAM9260_ID_US1, 2,
+ ATMEL_UART_CTS | ATMEL_UART_RTS);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+}
+
+static void __init afeb9260_init_irq(void)
+{
+ at91sam9260_init_interrupts(NULL);
+}
+
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata afeb9260_usbh_data = {
+ .ports = 1,
+};
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata afeb9260_udc_data = {
+ .vbus_pin = AT91_PIN_PC5,
+ .pullup_pin = 0, /* pull-up driven by UDC */
+};
+
+
+
+/*
+ * SPI devices.
+ */
+static struct spi_board_info afeb9260_spi_devices[] = {
+ { /* DataFlash chip */
+ .modalias = "mtd_dataflash",
+ .chip_select = 1,
+ .max_speed_hz = 15 * 1000 * 1000,
+ .bus_num = 0,
+ },
+};
+
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata afeb9260_macb_data = {
+ .phy_irq_pin = AT91_PIN_PA9,
+ .is_rmii = 0,
+};
+
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata afeb9260_nand_partition[] = {
+ {
+ .name = "bootloader",
+ .offset = 0,
+ .size = (640 * SZ_1K),
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = SZ_2M,
+ },
+ {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(afeb9260_nand_partition);
+ return afeb9260_nand_partition;
+}
+
+static struct atmel_nand_data __initdata afeb9260_nand_data = {
+ .ale = 21,
+ .cle = 22,
+ .rdy_pin = AT91_PIN_PC13,
+ .enable_pin = AT91_PIN_PC14,
+ .partition_info = nand_partitions,
+ .bus_width_16 = 0,
+};
+
+
+/*
+ * MCI (SD/MMC)
+ */
+static struct at91_mmc_data __initdata afeb9260_mmc_data = {
+ .slot_b = 1,
+ .wire4 = 1,
+};
+
+
+
+static struct i2c_board_info __initdata afeb9260_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("fm3130", 0x68),
+ I2C_BOARD_INFO("24c64", 0x50),
+ },
+};
+
+static void __init afeb9260_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* USB Host */
+ at91_add_device_usbh(&afeb9260_usbh_data);
+ /* USB Device */
+ at91_add_device_udc(&afeb9260_udc_data);
+ /* SPI */
+ at91_add_device_spi(afeb9260_spi_devices,
+ ARRAY_SIZE(afeb9260_spi_devices));
+ /* NAND */
+ at91_add_device_nand(&afeb9260_nand_data);
+ /* Ethernet */
+ at91_add_device_eth(&afeb9260_macb_data);
+
+ /* Standard function's pin assignments are not
+ * appropriate for us and generic code provide
+ * no API to configure these pins any other way */
+ at91_set_B_periph(AT91_PIN_PA10, 0); /* ETX2 */
+ at91_set_B_periph(AT91_PIN_PA11, 0); /* ETX3 */
+ /* MMC */
+ at91_add_device_mmc(0, &afeb9260_mmc_data);
+ /* I2C */
+ at91_add_device_i2c(afeb9260_i2c_devices,
+ ARRAY_SIZE(afeb9260_i2c_devices));
+}
+
+MACHINE_START(AFEB9260, "Custom afeb9260 board")
+ /* Maintainer: Sergey Lapin <slapin@ossfans.org> */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91sam926x_timer,
+ .map_io = afeb9260_map_io,
+ .init_irq = afeb9260_init_irq,
+ .init_machine = afeb9260_board_init,
+MACHINE_END
+
diff --git a/arch/arm/mach-at91/board-cap9adk.c b/arch/arm/mach-at91/board-cap9adk.c
index 1961995..201b893 100644
--- a/arch/arm/mach-at91/board-cap9adk.c
+++ b/arch/arm/mach-at91/board-cap9adk.c
@@ -214,7 +214,7 @@ static struct physmap_flash_data cap9adk_nor_data = {
};
#define NOR_BASE AT91_CHIPSELECT_0
-#define NOR_SIZE 0x800000
+#define NOR_SIZE SZ_8M
static struct resource nor_flash_resources[] = {
{
diff --git a/arch/arm/mach-at91/board-carmeva.c b/arch/arm/mach-at91/board-carmeva.c
index afa1ff0..db1f954 100644
--- a/arch/arm/mach-at91/board-carmeva.c
+++ b/arch/arm/mach-at91/board-carmeva.c
@@ -25,7 +25,6 @@
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
@@ -34,6 +33,7 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/gpio.h>
@@ -114,6 +114,30 @@ static struct spi_board_info carmeva_spi_devices[] = {
},
};
+static struct gpio_led carmeva_leds[] = {
+ { /* "user led 1", LED9 */
+ .name = "led9",
+ .gpio = AT91_PIN_PA21,
+ .active_low = 1,
+ .default_trigger = "heartbeat",
+ },
+ { /* "user led 2", LED10 */
+ .name = "led10",
+ .gpio = AT91_PIN_PA25,
+ .active_low = 1,
+ },
+ { /* "user led 3", LED11 */
+ .name = "led11",
+ .gpio = AT91_PIN_PA26,
+ .active_low = 1,
+ },
+ { /* "user led 4", LED12 */
+ .name = "led12",
+ .gpio = AT91_PIN_PA18,
+ .active_low = 1,
+ }
+};
+
static void __init carmeva_board_init(void)
{
/* Serial */
@@ -132,6 +156,8 @@ static void __init carmeva_board_init(void)
// at91_add_device_cf(&carmeva_cf_data);
/* MMC */
at91_add_device_mmc(0, &carmeva_mmc_data);
+ /* LEDs */
+ at91_gpio_leds(carmeva_leds, ARRAY_SIZE(carmeva_leds));
}
MACHINE_START(CARMEVA, "Carmeva")
diff --git a/arch/arm/mach-at91/board-csb337.c b/arch/arm/mach-at91/board-csb337.c
index cb7c9a8..fea2529 100644
--- a/arch/arm/mach-at91/board-csb337.c
+++ b/arch/arm/mach-at91/board-csb337.c
@@ -28,7 +28,6 @@
#include <linux/input.h>
#include <linux/gpio_keys.h>
-#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
@@ -37,6 +36,7 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/gpio.h>
@@ -114,7 +114,7 @@ static struct spi_board_info csb337_spi_devices[] = {
};
#define CSB_FLASH_BASE AT91_CHIPSELECT_0
-#define CSB_FLASH_SIZE 0x800000
+#define CSB_FLASH_SIZE SZ_8M
static struct mtd_partition csb_flash_partitions[] = {
{
@@ -193,11 +193,11 @@ static struct platform_device csb300_button_device = {
static void __init csb300_add_device_buttons(void)
{
- at91_set_gpio_input(AT91_PIN_PB29, 0); /* sw0 */
+ at91_set_gpio_input(AT91_PIN_PB29, 1); /* sw0 */
at91_set_deglitch(AT91_PIN_PB29, 1);
- at91_set_gpio_input(AT91_PIN_PB28, 0); /* sw1 */
+ at91_set_gpio_input(AT91_PIN_PB28, 1); /* sw1 */
at91_set_deglitch(AT91_PIN_PB28, 1);
- at91_set_gpio_input(AT91_PIN_PA21, 0); /* sw2 */
+ at91_set_gpio_input(AT91_PIN_PA21, 1); /* sw2 */
at91_set_deglitch(AT91_PIN_PA21, 1);
platform_device_register(&csb300_button_device);
@@ -224,7 +224,7 @@ static struct gpio_led csb_leds[] = {
.gpio = AT91_PIN_PB0,
.active_low = 1,
.default_trigger = "ide-disk",
- },
+ }
};
diff --git a/arch/arm/mach-at91/board-csb637.c b/arch/arm/mach-at91/board-csb637.c
index 8db8bd8..cfa3f04 100644
--- a/arch/arm/mach-at91/board-csb637.c
+++ b/arch/arm/mach-at91/board-csb637.c
@@ -25,7 +25,6 @@
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
-#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
@@ -34,6 +33,7 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/gpio.h>
@@ -72,7 +72,7 @@ static struct at91_udc_data __initdata csb637_udc_data = {
};
#define CSB_FLASH_BASE AT91_CHIPSELECT_0
-#define CSB_FLASH_SIZE 0x1000000
+#define CSB_FLASH_SIZE SZ_16M
static struct mtd_partition csb_flash_partitions[] = {
{
diff --git a/arch/arm/mach-at91/board-dk.c b/arch/arm/mach-at91/board-dk.c
index 43e1aa7..0fd0f5b 100644
--- a/arch/arm/mach-at91/board-dk.c
+++ b/arch/arm/mach-at91/board-dk.c
@@ -29,7 +29,6 @@
#include <linux/spi/spi.h>
#include <linux/mtd/physmap.h>
-#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
@@ -38,6 +37,7 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/at91rm9200_mc.h>
@@ -157,7 +157,7 @@ static struct atmel_nand_data __initdata dk_nand_data = {
};
#define DK_FLASH_BASE AT91_CHIPSELECT_0
-#define DK_FLASH_SIZE 0x200000
+#define DK_FLASH_SIZE SZ_2M
static struct physmap_flash_data dk_flash_data = {
.width = 2,
diff --git a/arch/arm/mach-at91/board-ecbat91.c b/arch/arm/mach-at91/board-ecbat91.c
index bfeee8a..1d69908 100644
--- a/arch/arm/mach-at91/board-ecbat91.c
+++ b/arch/arm/mach-at91/board-ecbat91.c
@@ -86,7 +86,7 @@ static struct mtd_partition __initdata my_flash0_partitions[] =
{ /* 0x8400 */
.name = "Darrell-loader",
.offset = 0,
- .size = 12* 1056,
+ .size = 12 * 1056,
},
{
.name = "U-boot",
diff --git a/arch/arm/mach-at91/board-ek.c b/arch/arm/mach-at91/board-ek.c
index 60626e7..4cdfaac 100644
--- a/arch/arm/mach-at91/board-ek.c
+++ b/arch/arm/mach-at91/board-ek.c
@@ -29,7 +29,6 @@
#include <linux/spi/spi.h>
#include <linux/mtd/physmap.h>
-#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
@@ -38,6 +37,7 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/at91rm9200_mc.h>
@@ -116,7 +116,7 @@ static struct i2c_board_info __initdata ek_i2c_devices[] = {
};
#define EK_FLASH_BASE AT91_CHIPSELECT_0
-#define EK_FLASH_SIZE 0x200000
+#define EK_FLASH_SIZE SZ_2M
static struct physmap_flash_data ek_flash_data = {
.width = 2,
diff --git a/arch/arm/mach-at91/board-picotux200.c b/arch/arm/mach-at91/board-picotux200.c
index dbc912d..859727e 100644
--- a/arch/arm/mach-at91/board-picotux200.c
+++ b/arch/arm/mach-at91/board-picotux200.c
@@ -105,7 +105,7 @@ static struct at91_mmc_data __initdata picotux200_mmc_data = {
// };
#define PICOTUX200_FLASH_BASE AT91_CHIPSELECT_0
-#define PICOTUX200_FLASH_SIZE 0x400000
+#define PICOTUX200_FLASH_SIZE SZ_4M
static struct physmap_flash_data picotux200_flash_data = {
.width = 2,
diff --git a/arch/arm/mach-at91/board-qil-a9260.c b/arch/arm/mach-at91/board-qil-a9260.c
index 4c28413..cfb4571 100644
--- a/arch/arm/mach-at91/board-qil-a9260.c
+++ b/arch/arm/mach-at91/board-qil-a9260.c
@@ -30,7 +30,6 @@
#include <linux/input.h>
#include <linux/clk.h>
-#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
@@ -39,6 +38,7 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/at91_shdwc.h>
@@ -119,18 +119,18 @@ static struct at91_eth_data __initdata ek_macb_data = {
static struct mtd_partition __initdata ek_nand_partition[] = {
{
.name = "Uboot & Kernel",
- .offset = 0x00000000,
- .size = 16 * 1024 * 1024,
+ .offset = 0,
+ .size = SZ_16M,
},
{
.name = "Root FS",
- .offset = 0x01000000,
- .size = 120 * 1024 * 1024,
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 120 * SZ_1M,
},
{
.name = "FS",
- .offset = 0x08800000,
- .size = 120 * 1024 * 1024,
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 120 * SZ_1M,
},
};
diff --git a/arch/arm/mach-at91/board-sam9-l9260.c b/arch/arm/mach-at91/board-sam9-l9260.c
index e4910cb..99bb4cc 100644
--- a/arch/arm/mach-at91/board-sam9-l9260.c
+++ b/arch/arm/mach-at91/board-sam9-l9260.c
@@ -126,11 +126,11 @@ static struct mtd_partition __initdata ek_nand_partition[] = {
{
.name = "Bootloader Area",
.offset = 0,
- .size = 10 * 1024 * 1024,
+ .size = 10 * SZ_1M,
},
{
.name = "User Area",
- .offset = 10 * 1024 * 1024,
+ .offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
},
};
diff --git a/arch/arm/mach-at91/board-sam9260ek.c b/arch/arm/mach-at91/board-sam9260ek.c
index cb20e70..b49eb6e 100644
--- a/arch/arm/mach-at91/board-sam9260ek.c
+++ b/arch/arm/mach-at91/board-sam9260ek.c
@@ -27,8 +27,10 @@
#include <linux/spi/spi.h>
#include <linux/spi/at73c213.h>
#include <linux/clk.h>
+#include <linux/i2c/at24.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
-#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
@@ -37,6 +39,7 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/gpio.h>
@@ -163,11 +166,11 @@ static struct mtd_partition __initdata ek_nand_partition[] = {
{
.name = "Partition 1",
.offset = 0,
- .size = 256 * 1024,
+ .size = SZ_256K,
},
{
.name = "Partition 2",
- .offset = 256 * 1024,
+ .offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
},
};
@@ -222,6 +225,73 @@ static struct gpio_led ek_leds[] = {
}
};
+/*
+ * I2C devices
+ */
+static struct at24_platform_data at24c512 = {
+ .byte_len = SZ_512K / 8,
+ .page_size = 128,
+ .flags = AT24_FLAG_ADDR16,
+};
+
+static struct i2c_board_info __initdata ek_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("24c512", 0x50),
+ .platform_data = &at24c512,
+ },
+ /* more devices can be added using expansion connectors */
+};
+
+
+/*
+ * GPIO Buttons
+ */
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button ek_buttons[] = {
+ {
+ .gpio = AT91_PIN_PA30,
+ .code = BTN_3,
+ .desc = "Button 3",
+ .active_low = 1,
+ .wakeup = 1,
+ },
+ {
+ .gpio = AT91_PIN_PA31,
+ .code = BTN_4,
+ .desc = "Button 4",
+ .active_low = 1,
+ .wakeup = 1,
+ }
+};
+
+static struct gpio_keys_platform_data ek_button_data = {
+ .buttons = ek_buttons,
+ .nbuttons = ARRAY_SIZE(ek_buttons),
+};
+
+static struct platform_device ek_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &ek_button_data,
+ }
+};
+
+static void __init ek_add_device_buttons(void)
+{
+ at91_set_gpio_input(AT91_PIN_PA30, 1); /* btn3 */
+ at91_set_deglitch(AT91_PIN_PA30, 1);
+ at91_set_gpio_input(AT91_PIN_PA31, 1); /* btn4 */
+ at91_set_deglitch(AT91_PIN_PA31, 1);
+
+ platform_device_register(&ek_button_device);
+}
+#else
+static void __init ek_add_device_buttons(void) {}
+#endif
+
+
static void __init ek_board_init(void)
{
/* Serial */
@@ -239,12 +309,14 @@ static void __init ek_board_init(void)
/* MMC */
at91_add_device_mmc(0, &ek_mmc_data);
/* I2C */
- at91_add_device_i2c(NULL, 0);
+ at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
/* SSC (to AT73C213) */
at73c213_set_clk(&at73c213_data);
at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
/* LEDs */
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+ /* Push Buttons */
+ ek_add_device_buttons();
}
MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK")
diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c
index 1a9963b8..4977409 100644
--- a/arch/arm/mach-at91/board-sam9261ek.c
+++ b/arch/arm/mach-at91/board-sam9261ek.c
@@ -35,7 +35,6 @@
#include <video/atmel_lcdc.h>
-#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
@@ -44,6 +43,7 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/at91sam9_smc.h>
@@ -168,11 +168,11 @@ static struct mtd_partition __initdata ek_nand_partition[] = {
{
.name = "Partition 1",
.offset = 0,
- .size = 256 * 1024,
+ .size = SZ_256K,
},
{
.name = "Partition 2",
- .offset = 256 * 1024 ,
+ .offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
},
};
@@ -435,24 +435,28 @@ static struct gpio_keys_button ek_buttons[] = {
.code = BTN_0,
.desc = "Button 0",
.active_low = 1,
+ .wakeup = 1,
},
{
.gpio = AT91_PIN_PA26,
.code = BTN_1,
.desc = "Button 1",
.active_low = 1,
+ .wakeup = 1,
},
{
.gpio = AT91_PIN_PA25,
.code = BTN_2,
.desc = "Button 2",
.active_low = 1,
+ .wakeup = 1,
},
{
.gpio = AT91_PIN_PA24,
.code = BTN_3,
.desc = "Button 3",
.active_low = 1,
+ .wakeup = 1,
}
};
@@ -472,13 +476,13 @@ static struct platform_device ek_button_device = {
static void __init ek_add_device_buttons(void)
{
- at91_set_gpio_input(AT91_PIN_PA27, 0); /* btn0 */
+ at91_set_gpio_input(AT91_PIN_PA27, 1); /* btn0 */
at91_set_deglitch(AT91_PIN_PA27, 1);
- at91_set_gpio_input(AT91_PIN_PA26, 0); /* btn1 */
+ at91_set_gpio_input(AT91_PIN_PA26, 1); /* btn1 */
at91_set_deglitch(AT91_PIN_PA26, 1);
- at91_set_gpio_input(AT91_PIN_PA25, 0); /* btn2 */
+ at91_set_gpio_input(AT91_PIN_PA25, 1); /* btn2 */
at91_set_deglitch(AT91_PIN_PA25, 1);
- at91_set_gpio_input(AT91_PIN_PA24, 0); /* btn3 */
+ at91_set_gpio_input(AT91_PIN_PA24, 1); /* btn3 */
at91_set_deglitch(AT91_PIN_PA24, 1);
platform_device_register(&ek_button_device);
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index b1d1196..8354015 100644
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -26,13 +26,14 @@
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
+#include <linux/i2c/at24.h>
#include <linux/fb.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
+#include <linux/leds.h>
#include <video/atmel_lcdc.h>
-#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
@@ -41,6 +42,7 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/at91sam9_smc.h>
@@ -172,11 +174,11 @@ static struct mtd_partition __initdata ek_nand_partition[] = {
{
.name = "Partition 1",
.offset = 0,
- .size = 64 * 1024 * 1024,
+ .size = SZ_64M,
},
{
.name = "Partition 2",
- .offset = 64 * 1024 * 1024,
+ .offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
},
};
@@ -203,12 +205,30 @@ static struct atmel_nand_data __initdata ek_nand_data = {
/*
+ * I2C devices
+ */
+static struct at24_platform_data at24c512 = {
+ .byte_len = SZ_512K / 8,
+ .page_size = 128,
+ .flags = AT24_FLAG_ADDR16,
+};
+
+
+static struct i2c_board_info __initdata ek_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("24c512", 0x50),
+ .platform_data = &at24c512,
+ },
+ /* more devices can be added using expansion connectors */
+};
+
+/*
* LCD Controller
*/
#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
static struct fb_videomode at91_tft_vga_modes[] = {
{
- .name = "TX09D50VM1CCA @ 60",
+ .name = "TX09D50VM1CCA @ 60",
.refresh = 60,
.xres = 240, .yres = 320,
.pixclock = KHZ2PICOS(4965),
@@ -224,7 +244,7 @@ static struct fb_videomode at91_tft_vga_modes[] = {
static struct fb_monspecs at91fb_default_monspecs = {
.manufacturer = "HIT",
- .monitor = "TX09D70VM1CCA",
+ .monitor = "TX09D70VM1CCA",
.modedb = at91_tft_vga_modes,
.modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
@@ -235,7 +255,7 @@ static struct fb_monspecs at91fb_default_monspecs = {
};
#define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
- | ATMEL_LCDC_DISTYPE_TFT \
+ | ATMEL_LCDC_DISTYPE_TFT \
| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
static void at91_lcdc_power_control(int on)
@@ -277,7 +297,7 @@ static struct gpio_keys_button ek_buttons[] = {
.active_low = 1,
.desc = "right_click",
.wakeup = 1,
- },
+ }
};
static struct gpio_keys_platform_data ek_button_data = {
@@ -296,9 +316,9 @@ static struct platform_device ek_button_device = {
static void __init ek_add_device_buttons(void)
{
- at91_set_GPIO_periph(AT91_PIN_PC5, 0); /* left button */
+ at91_set_GPIO_periph(AT91_PIN_PC5, 1); /* left button */
at91_set_deglitch(AT91_PIN_PC5, 1);
- at91_set_GPIO_periph(AT91_PIN_PC4, 0); /* right button */
+ at91_set_GPIO_periph(AT91_PIN_PC4, 1); /* right button */
at91_set_deglitch(AT91_PIN_PC4, 1);
platform_device_register(&ek_button_device);
@@ -320,25 +340,32 @@ static struct atmel_ac97_data ek_ac97_data = {
* LEDs ... these could all be PWM-driven, for variable brightness
*/
static struct gpio_led ek_leds[] = {
- { /* "left" led, green, userled1, pwm1 */
- .name = "ds1",
- .gpio = AT91_PIN_PB8,
- .active_low = 1,
- .default_trigger = "mmc0",
- },
- { /* "right" led, green, userled2, pwm2 */
+ { /* "right" led, green, userled2 (could be driven by pwm2) */
.name = "ds2",
.gpio = AT91_PIN_PC29,
.active_low = 1,
.default_trigger = "nand-disk",
},
- { /* "power" led, yellow, pwm0 */
+ { /* "power" led, yellow (could be driven by pwm0) */
.name = "ds3",
.gpio = AT91_PIN_PB7,
.default_trigger = "heartbeat",
}
};
+/*
+ * PWM Leds
+ */
+static struct gpio_led ek_pwm_led[] = {
+ /* For now only DS1 is PWM-driven (by pwm1) */
+ {
+ .name = "ds1",
+ .gpio = 1, /* is PWM channel number */
+ .active_low = 1,
+ .default_trigger = "none",
+ }
+};
+
static void __init ek_board_init(void)
{
@@ -360,7 +387,7 @@ static void __init ek_board_init(void)
/* NAND */
at91_add_device_nand(&ek_nand_data);
/* I2C */
- at91_add_device_i2c(NULL, 0);
+ at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
/* LCD Controller */
at91_add_device_lcdc(&ek_lcdc_data);
/* Push Buttons */
@@ -369,6 +396,7 @@ static void __init ek_board_init(void)
at91_add_device_ac97(&ek_ac97_data);
/* LEDs */
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+ at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
}
MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c
index d4eba5c..b588ead 100644
--- a/arch/arm/mach-at91/board-sam9g20ek.c
+++ b/arch/arm/mach-at91/board-sam9g20ek.c
@@ -122,16 +122,16 @@ static struct mtd_partition __initdata ek_nand_partition[] = {
{
.name = "Bootstrap",
.offset = 0,
- .size = 4 * 1024 * 1024,
+ .size = 4 * SZ_1M,
},
{
.name = "Partition 1",
- .offset = 4 * 1024 * 1024,
- .size = 60 * 1024 * 1024,
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 60 * SZ_1M,
},
{
.name = "Partition 2",
- .offset = 64 * 1024 * 1024,
+ .offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
},
};
diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c
index c6dce49..2708518 100644
--- a/arch/arm/mach-at91/board-sam9rlek.c
+++ b/arch/arm/mach-at91/board-sam9rlek.c
@@ -18,7 +18,6 @@
#include <video/atmel_lcdc.h>
-#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
@@ -27,6 +26,7 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/at91sam9_smc.h>
@@ -81,11 +81,11 @@ static struct mtd_partition __initdata ek_nand_partition[] = {
{
.name = "Partition 1",
.offset = 0,
- .size = 256 * 1024,
+ .size = SZ_256K,
},
{
.name = "Partition 2",
- .offset = 256 * 1024 ,
+ .offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
},
};
@@ -195,6 +195,8 @@ static void __init ek_board_init(void)
at91_add_device_mmc(0, &ek_mmc_data);
/* LCD Controller */
at91_add_device_lcdc(&ek_lcdc_data);
+ /* Touch Screen Controller */
+ at91_add_device_tsadcc();
}
MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
diff --git a/arch/arm/mach-at91/board-usb-a9260.c b/arch/arm/mach-at91/board-usb-a9260.c
index f9d0b65..7c35035 100644
--- a/arch/arm/mach-at91/board-usb-a9260.c
+++ b/arch/arm/mach-at91/board-usb-a9260.c
@@ -30,7 +30,6 @@
#include <linux/input.h>
#include <linux/clk.h>
-#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
@@ -39,6 +38,7 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/at91_shdwc.h>
@@ -93,18 +93,18 @@ static struct at91_eth_data __initdata ek_macb_data = {
static struct mtd_partition __initdata ek_nand_partition[] = {
{
.name = "Uboot & Kernel",
- .offset = 0x00000000,
- .size = 16 * 1024 * 1024,
+ .offset = 0,
+ .size = SZ_16M,
},
{
.name = "Root FS",
- .offset = 0x01000000,
- .size = 120 * 1024 * 1024,
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 120 * SZ_1M,
},
{
.name = "FS",
- .offset = 0x08800000,
- .size = 120 * 1024 * 1024,
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 120 * SZ_1M,
}
};
diff --git a/arch/arm/mach-at91/board-usb-a9263.c b/arch/arm/mach-at91/board-usb-a9263.c
index 673e5c2..391b566 100644
--- a/arch/arm/mach-at91/board-usb-a9263.c
+++ b/arch/arm/mach-at91/board-usb-a9263.c
@@ -29,7 +29,6 @@
#include <linux/gpio_keys.h>
#include <linux/input.h>
-#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
@@ -38,6 +37,7 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/at91_shdwc.h>
@@ -106,18 +106,18 @@ static struct at91_eth_data __initdata ek_macb_data = {
static struct mtd_partition __initdata ek_nand_partition[] = {
{
.name = "Linux Kernel",
- .offset = 0x00000000,
- .size = 16 * 1024 * 1024,
+ .offset = 0,
+ .size = SZ_16M,
},
{
.name = "Root FS",
- .offset = 0x01000000,
- .size = 120 * 1024 * 1024,
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 120 * SZ_1M,
},
{
.name = "FS",
- .offset = 0x08800000,
- .size = 120 * 1024 * 1024,
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 120 * SZ_1M,
}
};
diff --git a/arch/arm/mach-at91/board-yl-9200.c b/arch/arm/mach-at91/board-yl-9200.c
index 36b380a..e22bf05 100644
--- a/arch/arm/mach-at91/board-yl-9200.c
+++ b/arch/arm/mach-at91/board-yl-9200.c
@@ -33,7 +33,6 @@
#include <linux/gpio_keys.h>
#include <linux/input.h>
-#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
@@ -42,6 +41,7 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/at91rm9200_mc.h>
@@ -150,27 +150,27 @@ static struct mtd_partition __initdata yl9200_nand_partition[] = {
{
.name = "AT91 NAND partition 1, boot",
.offset = 0,
- .size = 1 * SZ_256K
+ .size = SZ_256K
},
{
.name = "AT91 NAND partition 2, kernel",
- .offset = 1 * SZ_256K,
- .size = 2 * SZ_1M - 1 * SZ_256K
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = (2 * SZ_1M) - SZ_256K
},
{
.name = "AT91 NAND partition 3, filesystem",
- .offset = 2 * SZ_1M,
+ .offset = MTDPART_OFS_NXTBLK,
.size = 14 * SZ_1M
},
{
.name = "AT91 NAND partition 4, storage",
- .offset = 16 * SZ_1M,
- .size = 16 * SZ_1M
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = SZ_16M
},
{
.name = "AT91 NAND partition 5, ext-fs",
- .offset = 32 * SZ_1M,
- .size = 32 * SZ_1M
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = SZ_32M
}
};
@@ -193,24 +193,24 @@ static struct atmel_nand_data __initdata yl9200_nand_data = {
* NOR Flash
*/
#define YL9200_FLASH_BASE AT91_CHIPSELECT_0
-#define YL9200_FLASH_SIZE 0x1000000
+#define YL9200_FLASH_SIZE SZ_16M
static struct mtd_partition yl9200_flash_partitions[] = {
{
.name = "Bootloader",
- .size = 0x00040000,
.offset = 0,
+ .size = SZ_256K,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
{
.name = "Kernel",
- .size = 0x001C0000,
- .offset = 0x00040000,
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = (2 * SZ_1M) - SZ_256K
},
{
.name = "Filesystem",
- .size = MTDPART_SIZ_FULL,
- .offset = 0x00200000
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL
}
};
@@ -390,10 +390,6 @@ static struct spi_board_info yl9200_spi_devices[] = {
#if defined(CONFIG_FB_S1D135XX) || defined(CONFIG_FB_S1D13XXX_MODULE)
#include <video/s1d13xxxfb.h>
-#define AT91_FB_REG_BASE 0x80000000L
-#define AT91_FB_REG_SIZE 0x200
-#define AT91_FB_VMEM_BASE 0x80200000L
-#define AT91_FB_VMEM_SIZE 0x200000L
static void __init yl9200_init_video(void)
{
@@ -516,29 +512,33 @@ static struct s1d13xxxfb_regval yl9200_s1dfb_initregs[] =
{S1DREG_COM_DISP_MODE, 0x01}, /* Display Mode Register, LCD only*/
};
-static u64 s1dfb_dmamask = DMA_BIT_MASK(32);
-
static struct s1d13xxxfb_pdata yl9200_s1dfb_pdata = {
.initregs = yl9200_s1dfb_initregs,
.initregssize = ARRAY_SIZE(yl9200_s1dfb_initregs),
.platform_init_video = yl9200_init_video,
};
+#define YL9200_FB_REG_BASE AT91_CHIPSELECT_7
+#define YL9200_FB_VMEM_BASE YL9200_FB_REG_BASE + SZ_2M
+#define YL9200_FB_VMEM_SIZE SZ_2M
+
static struct resource yl9200_s1dfb_resource[] = {
[0] = { /* video mem */
.name = "s1d13xxxfb memory",
- .start = AT91_FB_VMEM_BASE,
- .end = AT91_FB_VMEM_BASE + AT91_FB_VMEM_SIZE -1,
+ .start = YL9200_FB_VMEM_BASE,
+ .end = YL9200_FB_VMEM_BASE + YL9200_FB_VMEM_SIZE -1,
.flags = IORESOURCE_MEM,
},
[1] = { /* video registers */
.name = "s1d13xxxfb registers",
- .start = AT91_FB_REG_BASE,
- .end = AT91_FB_REG_BASE + AT91_FB_REG_SIZE -1,
+ .start = YL9200_FB_REG_BASE,
+ .end = YL9200_FB_REG_BASE + SZ_512 -1,
.flags = IORESOURCE_MEM,
},
};
+static u64 s1dfb_dmamask = DMA_BIT_MASK(32);
+
static struct platform_device yl9200_s1dfb_device = {
.name = "s1d13806fb",
.id = -1,
diff --git a/arch/arm/mach-at91/include/mach/at91_pit.h b/arch/arm/mach-at91/include/mach/at91_pit.h
index 0448ac3..974d0bd 100644
--- a/arch/arm/mach-at91/include/mach/at91_pit.h
+++ b/arch/arm/mach-at91/include/mach/at91_pit.h
@@ -1,6 +1,9 @@
/*
* arch/arm/mach-at91/include/mach/at91_pit.h
*
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Periodic Interval Timer (PIT) - System peripherals regsters.
* Based on AT91SAM9261 datasheet revision D.
*
diff --git a/arch/arm/mach-at91/include/mach/at91_rstc.h b/arch/arm/mach-at91/include/mach/at91_rstc.h
index 7cd1b39..cbd2bf0 100644
--- a/arch/arm/mach-at91/include/mach/at91_rstc.h
+++ b/arch/arm/mach-at91/include/mach/at91_rstc.h
@@ -1,6 +1,9 @@
/*
* arch/arm/mach-at91/include/mach/at91_rstc.h
*
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Reset Controller (RSTC) - System peripherals regsters.
* Based on AT91SAM9261 datasheet revision D.
*
diff --git a/arch/arm/mach-at91/include/mach/at91_rtt.h b/arch/arm/mach-at91/include/mach/at91_rtt.h
index 71782e5..7ec75de 100644
--- a/arch/arm/mach-at91/include/mach/at91_rtt.h
+++ b/arch/arm/mach-at91/include/mach/at91_rtt.h
@@ -1,6 +1,9 @@
/*
* arch/arm/mach-at91/include/mach/at91_rtt.h
*
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Real-time Timer (RTT) - System peripherals regsters.
* Based on AT91SAM9261 datasheet revision D.
*
diff --git a/arch/arm/mach-at91/include/mach/at91_shdwc.h b/arch/arm/mach-at91/include/mach/at91_shdwc.h
index 60be5ae..c4ce07e 100644
--- a/arch/arm/mach-at91/include/mach/at91_shdwc.h
+++ b/arch/arm/mach-at91/include/mach/at91_shdwc.h
@@ -1,6 +1,9 @@
/*
* arch/arm/mach-at91/include/mach/at91_shdwc.h
*
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Shutdown Controller (SHDWC) - System peripherals regsters.
* Based on AT91SAM9261 datasheet revision D.
*
diff --git a/arch/arm/mach-at91/include/mach/at91_wdt.h b/arch/arm/mach-at91/include/mach/at91_wdt.h
index 973b452..fecc2e9 100644
--- a/arch/arm/mach-at91/include/mach/at91_wdt.h
+++ b/arch/arm/mach-at91/include/mach/at91_wdt.h
@@ -1,6 +1,9 @@
/*
* arch/arm/mach-at91/include/mach/at91_wdt.h
*
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Watchdog Timer (WDT) - System peripherals regsters.
* Based on AT91SAM9261 datasheet revision D.
*
diff --git a/arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h b/arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h
index bca878f..1499b1c 100644
--- a/arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h
+++ b/arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h
@@ -1,6 +1,8 @@
/*
* arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h
*
+ * (C) 2008 Andrew Victor
+ *
* DDR/SDR Controller (DDRSDRC) - System peripherals registers.
* Based on AT91CAP9 datasheet revision B.
*
diff --git a/arch/arm/mach-at91/include/mach/at91sam9260_matrix.h b/arch/arm/mach-at91/include/mach/at91sam9260_matrix.h
index f027de5..020f02e 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9260_matrix.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9260_matrix.h
@@ -1,6 +1,8 @@
/*
* arch/arm/mach-at91/include/mach/at91sam9260_matrix.h
*
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Memory Controllers (MATRIX, EBI) - System peripherals registers.
* Based on AT91SAM9260 datasheet revision B.
*
diff --git a/arch/arm/mach-at91/include/mach/at91sam9261_matrix.h b/arch/arm/mach-at91/include/mach/at91sam9261_matrix.h
index db62b1f1..69c6501 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9261_matrix.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9261_matrix.h
@@ -1,6 +1,8 @@
/*
* arch/arm/mach-at91/include/mach/at91sam9261_matrix.h
*
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Memory Controllers (MATRIX, EBI) - System peripherals registers.
* Based on AT91SAM9261 datasheet revision D.
*
diff --git a/arch/arm/mach-at91/include/mach/at91sam9_sdramc.h b/arch/arm/mach-at91/include/mach/at91sam9_sdramc.h
index 1921181..b726038 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9_sdramc.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9_sdramc.h
@@ -1,6 +1,9 @@
/*
* arch/arm/mach-at91/include/mach/at91sam9_sdramc.h
*
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* SDRAM Controllers (SDRAMC) - System peripherals registers.
* Based on AT91SAM9261 datasheet revision D.
*
diff --git a/arch/arm/mach-at91/include/mach/at91sam9_smc.h b/arch/arm/mach-at91/include/mach/at91sam9_smc.h
index ec6ad13..57de620 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9_smc.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9_smc.h
@@ -1,6 +1,9 @@
/*
* arch/arm/mach-at91/include/mach/at91sam9_smc.h
*
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Static Memory Controllers (SMC) - System peripherals registers.
* Based on AT91SAM9261 datasheet revision D.
*
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h
index acd60f2..fb51f0e 100644
--- a/arch/arm/mach-at91/include/mach/board.h
+++ b/arch/arm/mach-at91/include/mach/board.h
@@ -133,6 +133,16 @@ struct atmel_uart_data {
extern void __init at91_add_device_serial(void);
/*
+ * PWM
+ */
+#define AT91_PWM0 0
+#define AT91_PWM1 1
+#define AT91_PWM2 2
+#define AT91_PWM3 3
+
+extern void __init at91_add_device_pwm(u32 mask);
+
+/*
* SSC -- accessed through ssc_request(id). Drivers don't bind to SSC
* platform devices. Their SSC ID is part of their configuration data,
* along with information about which SSC signals they should use.
@@ -162,9 +172,13 @@ extern void __init at91_add_device_ac97(struct atmel_ac97_data *data);
/* ISI */
extern void __init at91_add_device_isi(void);
+ /* Touchscreen Controller */
+extern void __init at91_add_device_tsadcc(void);
+
/* LEDs */
extern void __init at91_init_leds(u8 cpu_led, u8 timer_led);
extern void __init at91_gpio_leds(struct gpio_led *leds, int nr);
+extern void __init at91_pwm_leds(struct gpio_led *leds, int nr);
/* FIXME: this needs a better location, but gets stuff building again */
extern int at91_suspend_entering_slow_clock(void);
diff --git a/arch/arm/mach-at91/leds.c b/arch/arm/mach-at91/leds.c
index fec03c5..0415a839 100644
--- a/arch/arm/mach-at91/leds.c
+++ b/arch/arm/mach-at91/leds.c
@@ -12,6 +12,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/platform_device.h>
#include <mach/board.h>
#include <mach/gpio.h>
@@ -21,15 +22,13 @@
#if defined(CONFIG_NEW_LEDS)
-#include <linux/platform_device.h>
-
/*
* New cross-platform LED support.
*/
static struct gpio_led_platform_data led_data;
-static struct platform_device at91_leds = {
+static struct platform_device at91_gpio_leds_device = {
.name = "leds-gpio",
.id = -1,
.dev.platform_data = &led_data,
@@ -47,7 +46,7 @@ void __init at91_gpio_leds(struct gpio_led *leds, int nr)
led_data.leds = leds;
led_data.num_leds = nr;
- platform_device_register(&at91_leds);
+ platform_device_register(&at91_gpio_leds_device);
}
#else
@@ -57,6 +56,44 @@ void __init at91_gpio_leds(struct gpio_led *leds, int nr) {}
/* ------------------------------------------------------------------------- */
+#if defined (CONFIG_LEDS_ATMEL_PWM)
+
+/*
+ * PWM Leds
+ */
+
+static struct gpio_led_platform_data pwm_led_data;
+
+static struct platform_device at91_pwm_leds_device = {
+ .name = "leds-atmel-pwm",
+ .id = -1,
+ .dev.platform_data = &pwm_led_data,
+};
+
+void __init at91_pwm_leds(struct gpio_led *leds, int nr)
+{
+ int i;
+ u32 pwm_mask = 0;
+
+ if (!nr)
+ return;
+
+ for (i = 0; i < nr; i++)
+ pwm_mask |= (1 << leds[i].gpio);
+
+ pwm_led_data.leds = leds;
+ pwm_led_data.num_leds = nr;
+
+ at91_add_device_pwm(pwm_mask);
+ platform_device_register(&at91_pwm_leds_device);
+}
+#else
+void __init at91_pwm_leds(struct gpio_led *leds, int nr){}
+#endif
+
+
+/* ------------------------------------------------------------------------- */
+
#if defined(CONFIG_LEDS)
#include <asm/leds.h>
diff --git a/arch/arm/mach-at91/pm_slowclock.S b/arch/arm/mach-at91/pm_slowclock.S
new file mode 100644
index 0000000..987fab3
--- /dev/null
+++ b/arch/arm/mach-at91/pm_slowclock.S
@@ -0,0 +1,283 @@
+/*
+ * arch/arm/mach-at91/pm_slow_clock.S
+ *
+ * Copyright (C) 2006 Savin Zlobec
+ *
+ * AT91SAM9 support:
+ * Copyright (C) 2007 Anti Sullin <anti.sullin@artecdesign.ee
+ *
+ * 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.
+ *
+ */
+
+#include <linux/linkage.h>
+#include <mach/hardware.h>
+#include <mach/at91_pmc.h>
+
+#ifdef CONFIG_ARCH_AT91RM9200
+#include <mach/at91rm9200_mc.h>
+#elif defined(CONFIG_ARCH_AT91CAP9)
+#include <mach/at91cap9_ddrsdr.h>
+#else
+#include <mach/at91sam9_sdramc.h>
+#endif
+
+
+#ifdef CONFIG_ARCH_AT91SAM9263
+/*
+ * FIXME either or both the SDRAM controllers (EB0, EB1) might be in use;
+ * handle those cases both here and in the Suspend-To-RAM support.
+ */
+#define AT91_SDRAMC AT91_SDRAMC0
+#warning Assuming EB1 SDRAM controller is *NOT* used
+#endif
+
+/*
+ * When SLOWDOWN_MASTER_CLOCK is defined we will also slow down the Master
+ * clock during suspend by adjusting its prescalar and divisor.
+ * NOTE: This hasn't been shown to be stable on SAM9s; and on the RM9200 there
+ * are errata regarding adjusting the prescalar and divisor.
+ */
+#undef SLOWDOWN_MASTER_CLOCK
+
+#define MCKRDY_TIMEOUT 1000
+#define MOSCRDY_TIMEOUT 1000
+#define PLLALOCK_TIMEOUT 1000
+#define PLLBLOCK_TIMEOUT 1000
+
+
+/*
+ * Wait until master clock is ready (after switching master clock source)
+ */
+ .macro wait_mckrdy
+ mov r4, #MCKRDY_TIMEOUT
+1: sub r4, r4, #1
+ cmp r4, #0
+ beq 2f
+ ldr r3, [r1, #(AT91_PMC_SR - AT91_PMC)]
+ tst r3, #AT91_PMC_MCKRDY
+ beq 1b
+2:
+ .endm
+
+/*
+ * Wait until master oscillator has stabilized.
+ */
+ .macro wait_moscrdy
+ mov r4, #MOSCRDY_TIMEOUT
+1: sub r4, r4, #1
+ cmp r4, #0
+ beq 2f
+ ldr r3, [r1, #(AT91_PMC_SR - AT91_PMC)]
+ tst r3, #AT91_PMC_MOSCS
+ beq 1b
+2:
+ .endm
+
+/*
+ * Wait until PLLA has locked.
+ */
+ .macro wait_pllalock
+ mov r4, #PLLALOCK_TIMEOUT
+1: sub r4, r4, #1
+ cmp r4, #0
+ beq 2f
+ ldr r3, [r1, #(AT91_PMC_SR - AT91_PMC)]
+ tst r3, #AT91_PMC_LOCKA
+ beq 1b
+2:
+ .endm
+
+/*
+ * Wait until PLLB has locked.
+ */
+ .macro wait_pllblock
+ mov r4, #PLLBLOCK_TIMEOUT
+1: sub r4, r4, #1
+ cmp r4, #0
+ beq 2f
+ ldr r3, [r1, #(AT91_PMC_SR - AT91_PMC)]
+ tst r3, #AT91_PMC_LOCKB
+ beq 1b
+2:
+ .endm
+
+ .text
+
+ENTRY(at91_slow_clock)
+ /* Save registers on stack */
+ stmfd sp!, {r0 - r12, lr}
+
+ /*
+ * Register usage:
+ * R1 = Base address of AT91_PMC
+ * R2 = Base address of AT91_SDRAMC (or AT91_SYS on AT91RM9200)
+ * R3 = temporary register
+ * R4 = temporary register
+ */
+ ldr r1, .at91_va_base_pmc
+ ldr r2, .at91_va_base_sdramc
+
+ /* Drain write buffer */
+ mcr p15, 0, r0, c7, c10, 4
+
+#ifdef CONFIG_ARCH_AT91RM9200
+ /* Put SDRAM in self-refresh mode */
+ mov r3, #1
+ str r3, [r2, #AT91_SDRAMC_SRR]
+#elif defined(CONFIG_ARCH_AT91CAP9)
+ /* Enable SDRAM self-refresh mode */
+ ldr r3, [r2, #AT91_DDRSDRC_LPR - AT91_DDRSDRC]
+ str r3, .saved_sam9_lpr
+
+ mov r3, #AT91_DDRSDRC_LPCB_SELF_REFRESH
+ str r3, [r2, #AT91_DDRSDRC_LPR - AT91_DDRSDRC]
+#else
+ /* Enable SDRAM self-refresh mode */
+ ldr r3, [r2, #AT91_SDRAMC_LPR - AT91_SDRAMC]
+ str r3, .saved_sam9_lpr
+
+ mov r3, #AT91_SDRAMC_LPCB_SELF_REFRESH
+ str r3, [r2, #AT91_SDRAMC_LPR - AT91_SDRAMC]
+#endif
+
+ /* Save Master clock setting */
+ ldr r3, [r1, #(AT91_PMC_MCKR - AT91_PMC)]
+ str r3, .saved_mckr
+
+ /*
+ * Set the Master clock source to slow clock
+ */
+ bic r3, r3, #AT91_PMC_CSS
+ str r3, [r1, #(AT91_PMC_MCKR - AT91_PMC)]
+
+ wait_mckrdy
+
+#ifdef SLOWDOWN_MASTER_CLOCK
+ /*
+ * Set the Master Clock PRES and MDIV fields.
+ *
+ * See AT91RM9200 errata #27 and #28 for details.
+ */
+ mov r3, #0
+ str r3, [r1, #(AT91_PMC_MCKR - AT91_PMC)]
+
+ wait_mckrdy
+#endif
+
+ /* Save PLLA setting and disable it */
+ ldr r3, [r1, #(AT91_CKGR_PLLAR - AT91_PMC)]
+ str r3, .saved_pllar
+
+ mov r3, #AT91_PMC_PLLCOUNT
+ orr r3, r3, #(1 << 29) /* bit 29 always set */
+ str r3, [r1, #(AT91_CKGR_PLLAR - AT91_PMC)]
+
+ wait_pllalock
+
+ /* Save PLLB setting and disable it */
+ ldr r3, [r1, #(AT91_CKGR_PLLBR - AT91_PMC)]
+ str r3, .saved_pllbr
+
+ mov r3, #AT91_PMC_PLLCOUNT
+ str r3, [r1, #(AT91_CKGR_PLLBR - AT91_PMC)]
+
+ wait_pllblock
+
+ /* Turn off the main oscillator */
+ ldr r3, [r1, #(AT91_CKGR_MOR - AT91_PMC)]
+ bic r3, r3, #AT91_PMC_MOSCEN
+ str r3, [r1, #(AT91_CKGR_MOR - AT91_PMC)]
+
+ /* Wait for interrupt */
+ mcr p15, 0, r0, c7, c0, 4
+
+ /* Turn on the main oscillator */
+ ldr r3, [r1, #(AT91_CKGR_MOR - AT91_PMC)]
+ orr r3, r3, #AT91_PMC_MOSCEN
+ str r3, [r1, #(AT91_CKGR_MOR - AT91_PMC)]
+
+ wait_moscrdy
+
+ /* Restore PLLB setting */
+ ldr r3, .saved_pllbr
+ str r3, [r1, #(AT91_CKGR_PLLBR - AT91_PMC)]
+
+ wait_pllblock
+
+ /* Restore PLLA setting */
+ ldr r3, .saved_pllar
+ str r3, [r1, #(AT91_CKGR_PLLAR - AT91_PMC)]
+
+ wait_pllalock
+
+#ifdef SLOWDOWN_MASTER_CLOCK
+ /*
+ * First set PRES if it was not 0,
+ * than set CSS and MDIV fields.
+ *
+ * See AT91RM9200 errata #27 and #28 for details.
+ */
+ ldr r3, .saved_mckr
+ tst r3, #AT91_PMC_PRES
+ beq 2f
+ and r3, r3, #AT91_PMC_PRES
+ str r3, [r1, #(AT91_PMC_MCKR - AT91_PMC)]
+
+ wait_mckrdy
+#endif
+
+ /*
+ * Restore master clock setting
+ */
+2: ldr r3, .saved_mckr
+ str r3, [r1, #(AT91_PMC_MCKR - AT91_PMC)]
+
+ wait_mckrdy
+
+#ifdef CONFIG_ARCH_AT91RM9200
+ /* Do nothing - self-refresh is automatically disabled. */
+#elif defined(CONFIG_ARCH_AT91CAP9)
+ /* Restore LPR on AT91CAP9 */
+ ldr r3, .saved_sam9_lpr
+ str r3, [r2, #AT91_DDRSDRC_LPR - AT91_DDRSDRC]
+#else
+ /* Restore LPR on AT91SAM9 */
+ ldr r3, .saved_sam9_lpr
+ str r3, [r2, #AT91_SDRAMC_LPR - AT91_SDRAMC]
+#endif
+
+ /* Restore registers, and return */
+ ldmfd sp!, {r0 - r12, pc}
+
+
+.saved_mckr:
+ .word 0
+
+.saved_pllar:
+ .word 0
+
+.saved_pllbr:
+ .word 0
+
+.saved_sam9_lpr:
+ .word 0
+
+.at91_va_base_pmc:
+ .word AT91_VA_BASE_SYS + AT91_PMC
+
+#ifdef CONFIG_ARCH_AT91RM9200
+.at91_va_base_sdramc:
+ .word AT91_VA_BASE_SYS
+#elif defined(CONFIG_ARCH_AT91CAP9)
+.at91_va_base_sdramc:
+ .word AT91_VA_BASE_SYS + AT91_DDRSDRC
+#else
+.at91_va_base_sdramc:
+ .word AT91_VA_BASE_SYS + AT91_SDRAMC
+#endif
+
+ENTRY(at91_slow_clock_sz)
+ .word .-at91_slow_clock