diff options
Diffstat (limited to 'arch/arm/mach-at91')
25 files changed, 133 insertions, 153 deletions
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 3b0a9538093c..c1b737097c95 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -98,7 +98,6 @@ obj-y += leds.o # Power Management obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_AT91_SLOW_CLOCK) += pm_slowclock.o -obj-$(CONFIG_CPU_IDLE) += cpuidle.o ifeq ($(CONFIG_PM_DEBUG),y) CFLAGS_pm.o += -DDEBUG diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c index 4aad93d54d6f..25805f2f6010 100644 --- a/arch/arm/mach-at91/at91rm9200.c +++ b/arch/arm/mach-at91/at91rm9200.c @@ -27,6 +27,7 @@ #include "generic.h" #include "clock.h" #include "sam9_smc.h" +#include "pm.h" /* -------------------------------------------------------------------- * Clocks @@ -327,6 +328,7 @@ static void __init at91rm9200_ioremap_registers(void) { at91rm9200_ioremap_st(AT91RM9200_BASE_ST); at91_ioremap_ramc(0, AT91RM9200_BASE_MC, 256); + at91_pm_set_standby(at91rm9200_standby); } static void __init at91rm9200_initialize(void) diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index 5de6074b4f4f..f8629a3fa245 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -28,6 +28,7 @@ #include "generic.h" #include "clock.h" #include "sam9_smc.h" +#include "pm.h" /* -------------------------------------------------------------------- * Clocks @@ -342,6 +343,7 @@ static void __init at91sam9260_ioremap_registers(void) at91sam926x_ioremap_pit(AT91SAM9260_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9260_BASE_SMC); at91_ioremap_matrix(AT91SAM9260_BASE_MATRIX); + at91_pm_set_standby(at91sam9_sdram_standby); } static void __init at91sam9260_initialize(void) diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index 0e0793241ab7..1f3867a17a28 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -27,6 +27,7 @@ #include "generic.h" #include "clock.h" #include "sam9_smc.h" +#include "pm.h" /* -------------------------------------------------------------------- * Clocks @@ -284,6 +285,7 @@ static void __init at91sam9261_ioremap_registers(void) at91sam926x_ioremap_pit(AT91SAM9261_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9261_BASE_SMC); at91_ioremap_matrix(AT91SAM9261_BASE_MATRIX); + at91_pm_set_standby(at91sam9_sdram_standby); } static void __init at91sam9261_initialize(void) diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c index 629ea5fc95cf..b2a34740146a 100644 --- a/arch/arm/mach-at91/at91sam9261_devices.c +++ b/arch/arm/mach-at91/at91sam9261_devices.c @@ -465,7 +465,7 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) static u64 lcdc_dmamask = DMA_BIT_MASK(32); -static struct atmel_lcdfb_info lcdc_data; +static struct atmel_lcdfb_pdata lcdc_data; static struct resource lcdc_resources[] = { [0] = { @@ -498,7 +498,7 @@ static struct platform_device at91_lcdc_device = { .num_resources = ARRAY_SIZE(lcdc_resources), }; -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) { if (!data) { return; @@ -559,7 +559,7 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) platform_device_register(&at91_lcdc_device); } #else -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) {} #endif diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c index 6ce7d1850893..90d455d294a1 100644 --- a/arch/arm/mach-at91/at91sam9263.c +++ b/arch/arm/mach-at91/at91sam9263.c @@ -26,6 +26,7 @@ #include "generic.h" #include "clock.h" #include "sam9_smc.h" +#include "pm.h" /* -------------------------------------------------------------------- * Clocks @@ -321,6 +322,7 @@ static void __init at91sam9263_ioremap_registers(void) at91sam9_ioremap_smc(0, AT91SAM9263_BASE_SMC0); at91sam9_ioremap_smc(1, AT91SAM9263_BASE_SMC1); at91_ioremap_matrix(AT91SAM9263_BASE_MATRIX); + at91_pm_set_standby(at91sam9_sdram_standby); } static void __init at91sam9263_initialize(void) diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c index 858c8aac2daf..4aeadddbc181 100644 --- a/arch/arm/mach-at91/at91sam9263_devices.c +++ b/arch/arm/mach-at91/at91sam9263_devices.c @@ -832,7 +832,7 @@ void __init at91_add_device_can(struct at91_can_data *data) {} #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) static u64 lcdc_dmamask = DMA_BIT_MASK(32); -static struct atmel_lcdfb_info lcdc_data; +static struct atmel_lcdfb_pdata lcdc_data; static struct resource lcdc_resources[] = { [0] = { @@ -859,7 +859,7 @@ static struct platform_device at91_lcdc_device = { .num_resources = ARRAY_SIZE(lcdc_resources), }; -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) { if (!data) return; @@ -891,7 +891,7 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) platform_device_register(&at91_lcdc_device); } #else -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) {} #endif diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index 474ee04d24b9..e9bf0b8f40eb 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -26,6 +26,7 @@ #include "generic.h" #include "clock.h" #include "sam9_smc.h" +#include "pm.h" /* -------------------------------------------------------------------- * Clocks @@ -370,6 +371,7 @@ static void __init at91sam9g45_ioremap_registers(void) at91sam926x_ioremap_pit(AT91SAM9G45_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9G45_BASE_SMC); at91_ioremap_matrix(AT91SAM9G45_BASE_MATRIX); + at91_pm_set_standby(at91_ddr_standby); } static void __init at91sam9g45_initialize(void) diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c index acb703e13331..cb36fa872d30 100644 --- a/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/arch/arm/mach-at91/at91sam9g45_devices.c @@ -965,7 +965,7 @@ void __init at91_add_device_isi(struct isi_platform_data *data, #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) static u64 lcdc_dmamask = DMA_BIT_MASK(32); -static struct atmel_lcdfb_info lcdc_data; +static struct atmel_lcdfb_pdata lcdc_data; static struct resource lcdc_resources[] = { [0] = { @@ -991,7 +991,7 @@ static struct platform_device at91_lcdc_device = { .num_resources = ARRAY_SIZE(lcdc_resources), }; -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) { if (!data) return; @@ -1037,7 +1037,7 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) platform_device_register(&at91_lcdc_device); } #else -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) {} #endif diff --git a/arch/arm/mach-at91/at91sam9n12.c b/arch/arm/mach-at91/at91sam9n12.c index c7d670d11802..2d895a297739 100644 --- a/arch/arm/mach-at91/at91sam9n12.c +++ b/arch/arm/mach-at91/at91sam9n12.c @@ -169,6 +169,7 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("t0_clk", "f8008000.timer", &tcb_clk), CLKDEV_CON_DEV_ID("t0_clk", "f800c000.timer", &tcb_clk), CLKDEV_CON_DEV_ID("mci_clk", "f0008000.mmc", &mmc_clk), + CLKDEV_CON_DEV_ID(NULL, "f0010000.ssc", &ssc_clk), CLKDEV_CON_DEV_ID("dma_clk", "ffffec00.dma-controller", &dma_clk), CLKDEV_CON_DEV_ID(NULL, "f8010000.i2c", &twi0_clk), CLKDEV_CON_DEV_ID(NULL, "f8014000.i2c", &twi1_clk), diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c index d4ec0d9a9872..88995af09c04 100644 --- a/arch/arm/mach-at91/at91sam9rl.c +++ b/arch/arm/mach-at91/at91sam9rl.c @@ -27,6 +27,7 @@ #include "generic.h" #include "clock.h" #include "sam9_smc.h" +#include "pm.h" /* -------------------------------------------------------------------- * Clocks @@ -287,6 +288,7 @@ static void __init at91sam9rl_ioremap_registers(void) at91sam926x_ioremap_pit(AT91SAM9RL_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9RL_BASE_SMC); at91_ioremap_matrix(AT91SAM9RL_BASE_MATRIX); + at91_pm_set_standby(at91sam9_sdram_standby); } static void __init at91sam9rl_initialize(void) diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c index 352468f265a9..a698bdab2cce 100644 --- a/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/at91sam9rl_devices.c @@ -498,7 +498,7 @@ void __init at91_add_device_ac97(struct ac97c_platform_data *data) {} #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) static u64 lcdc_dmamask = DMA_BIT_MASK(32); -static struct atmel_lcdfb_info lcdc_data; +static struct atmel_lcdfb_pdata lcdc_data; static struct resource lcdc_resources[] = { [0] = { @@ -525,7 +525,7 @@ static struct platform_device at91_lcdc_device = { .num_resources = ARRAY_SIZE(lcdc_resources), }; -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) { if (!data) { return; @@ -557,7 +557,7 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) platform_device_register(&at91_lcdc_device); } #else -void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} +void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) {} #endif diff --git a/arch/arm/mach-at91/board-cam60.c b/arch/arm/mach-at91/board-cam60.c index ade948b82662..112e867c4abe 100644 --- a/arch/arm/mach-at91/board-cam60.c +++ b/arch/arm/mach-at91/board-cam60.c @@ -112,7 +112,7 @@ static struct spi_board_info cam60_spi_devices[] __initdata = { /* * MACB Ethernet device */ -static struct __initdata macb_platform_data cam60_macb_data = { +static struct macb_platform_data cam60_macb_data __initdata = { .phy_irq_pin = AT91_PIN_PB5, .is_rmii = 0, }; diff --git a/arch/arm/mach-at91/board-dt-rm9200.c b/arch/arm/mach-at91/board-dt-rm9200.c index 3fcb6623a33e..3a185faee795 100644 --- a/arch/arm/mach-at91/board-dt-rm9200.c +++ b/arch/arm/mach-at91/board-dt-rm9200.c @@ -14,7 +14,6 @@ #include <linux/gpio.h> #include <linux/of.h> #include <linux/of_irq.h> -#include <linux/of_platform.h> #include <asm/setup.h> #include <asm/irq.h> @@ -36,11 +35,6 @@ static void __init at91rm9200_dt_init_irq(void) of_irq_init(irq_of_match); } -static void __init at91rm9200_dt_device_init(void) -{ - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); -} - static const char *at91rm9200_dt_board_compat[] __initdata = { "atmel,at91rm9200", NULL @@ -52,6 +46,5 @@ DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200 (Device Tree)") .handle_irq = at91_aic_handle_irq, .init_early = at91rm9200_dt_initialize, .init_irq = at91rm9200_dt_init_irq, - .init_machine = at91rm9200_dt_device_init, .dt_compat = at91rm9200_dt_board_compat, MACHINE_END diff --git a/arch/arm/mach-at91/board-dt-sam9.c b/arch/arm/mach-at91/board-dt-sam9.c index 8db30132abed..3dab868b02fa 100644 --- a/arch/arm/mach-at91/board-dt-sam9.c +++ b/arch/arm/mach-at91/board-dt-sam9.c @@ -13,7 +13,6 @@ #include <linux/gpio.h> #include <linux/of.h> #include <linux/of_irq.h> -#include <linux/of_platform.h> #include <asm/setup.h> #include <asm/irq.h> @@ -37,11 +36,6 @@ static void __init at91_dt_init_irq(void) of_irq_init(irq_of_match); } -static void __init at91_dt_device_init(void) -{ - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); -} - static const char *at91_dt_board_compat[] __initdata = { "atmel,at91sam9", NULL @@ -54,6 +48,5 @@ DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)") .handle_irq = at91_aic_handle_irq, .init_early = at91_dt_initialize, .init_irq = at91_dt_init_irq, - .init_machine = at91_dt_device_init, .dt_compat = at91_dt_board_compat, MACHINE_END diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c index d3437624ca4e..473546b9408b 100644 --- a/arch/arm/mach-at91/board-sam9261ek.c +++ b/arch/arm/mach-at91/board-sam9261ek.c @@ -389,7 +389,7 @@ static struct fb_monspecs at91fb_default_stn_monspecs = { | ATMEL_LCDC_IFWIDTH_4 \ | ATMEL_LCDC_SCANMOD_SINGLE) -static void at91_lcdc_stn_power_control(int on) +static void at91_lcdc_stn_power_control(struct atmel_lcdfb_pdata *pdata, int on) { /* backlight */ if (on) { /* power up */ @@ -401,7 +401,7 @@ static void at91_lcdc_stn_power_control(int on) } } -static struct atmel_lcdfb_info __initdata ek_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = { .default_bpp = 1, .default_dmacon = ATMEL_LCDC_DMAEN, .default_lcdcon2 = AT91SAM9261_DEFAULT_STN_LCDCON2, @@ -445,7 +445,7 @@ static struct fb_monspecs at91fb_default_tft_monspecs = { | ATMEL_LCDC_DISTYPE_TFT \ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) -static void at91_lcdc_tft_power_control(int on) +static void at91_lcdc_tft_power_control(struct atmel_lcdfb_pdata *pdata, int on) { if (on) at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */ @@ -453,7 +453,7 @@ static void at91_lcdc_tft_power_control(int on) at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */ } -static struct atmel_lcdfb_info __initdata ek_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = { .lcdcon_is_backlight = true, .default_bpp = 16, .default_dmacon = ATMEL_LCDC_DMAEN, @@ -465,7 +465,7 @@ static struct atmel_lcdfb_info __initdata ek_lcdc_data = { #endif #else -static struct atmel_lcdfb_info __initdata ek_lcdc_data; +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data; #endif diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c index 3284df05df14..8b4942cbb6d9 100644 --- a/arch/arm/mach-at91/board-sam9263ek.c +++ b/arch/arm/mach-at91/board-sam9263ek.c @@ -275,13 +275,13 @@ static struct fb_monspecs at91fb_default_monspecs = { | ATMEL_LCDC_DISTYPE_TFT \ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) -static void at91_lcdc_power_control(int on) +static void at91_lcdc_power_control(struct atmel_lcdfb_pdata *pdata, int on) { at91_set_gpio_value(AT91_PIN_PA30, on); } /* Driver datas */ -static struct atmel_lcdfb_info __initdata ek_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = { .lcdcon_is_backlight = true, .default_bpp = 16, .default_dmacon = ATMEL_LCDC_DMAEN, @@ -292,7 +292,7 @@ static struct atmel_lcdfb_info __initdata ek_lcdc_data = { }; #else -static struct atmel_lcdfb_info __initdata ek_lcdc_data; +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data; #endif diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c index 2a94896a1375..ef39078c8ce2 100644 --- a/arch/arm/mach-at91/board-sam9m10g45ek.c +++ b/arch/arm/mach-at91/board-sam9m10g45ek.c @@ -284,7 +284,7 @@ static struct fb_monspecs at91fb_default_monspecs = { | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) /* Driver datas */ -static struct atmel_lcdfb_info __initdata ek_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = { .lcdcon_is_backlight = true, .default_bpp = 32, .default_dmacon = ATMEL_LCDC_DMAEN, @@ -295,7 +295,7 @@ static struct atmel_lcdfb_info __initdata ek_lcdc_data = { }; #else -static struct atmel_lcdfb_info __initdata ek_lcdc_data; +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data; #endif diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c index aa265dcf2128..604eecf6cd70 100644 --- a/arch/arm/mach-at91/board-sam9rlek.c +++ b/arch/arm/mach-at91/board-sam9rlek.c @@ -170,7 +170,7 @@ static struct fb_monspecs at91fb_default_monspecs = { | ATMEL_LCDC_DISTYPE_TFT \ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) -static void at91_lcdc_power_control(int on) +static void at91_lcdc_power_control(struct atmel_lcdfb_pdata *pdata, int on) { if (on) at91_set_gpio_value(AT91_PIN_PC1, 0); /* power up */ @@ -179,7 +179,7 @@ static void at91_lcdc_power_control(int on) } /* Driver datas */ -static struct atmel_lcdfb_info __initdata ek_lcdc_data = { +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = { .lcdcon_is_backlight = true, .default_bpp = 16, .default_dmacon = ATMEL_LCDC_DMAEN, @@ -191,7 +191,7 @@ static struct atmel_lcdfb_info __initdata ek_lcdc_data = { }; #else -static struct atmel_lcdfb_info __initdata ek_lcdc_data; +static struct atmel_lcdfb_pdata __initdata ek_lcdc_data; #endif diff --git a/arch/arm/mach-at91/board.h b/arch/arm/mach-at91/board.h index 4a234fb2ab3b..6c08b341167d 100644 --- a/arch/arm/mach-at91/board.h +++ b/arch/arm/mach-at91/board.h @@ -107,8 +107,8 @@ extern void __init at91_add_device_pwm(u32 mask); extern void __init at91_add_device_ssc(unsigned id, unsigned pins); /* LCD Controller */ -struct atmel_lcdfb_info; -extern void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data); +struct atmel_lcdfb_pdata; +extern void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data); /* AC97 */ extern void __init at91_add_device_ac97(struct ac97c_platform_data *data); diff --git a/arch/arm/mach-at91/cpuidle.c b/arch/arm/mach-at91/cpuidle.c deleted file mode 100644 index 4ec6a6d9b9be..000000000000 --- a/arch/arm/mach-at91/cpuidle.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * based on arch/arm/mach-kirkwood/cpuidle.c - * - * CPU idle support for AT91 SoC - * - * 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. - * - * The cpu idle uses wait-for-interrupt and RAM self refresh in order - * to implement two idle states - - * #1 wait-for-interrupt - * #2 wait-for-interrupt and RAM self refresh - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/cpuidle.h> -#include <linux/io.h> -#include <linux/export.h> -#include <asm/proc-fns.h> -#include <asm/cpuidle.h> -#include <mach/cpu.h> - -#include "pm.h" - -#define AT91_MAX_STATES 2 - -/* Actual code that puts the SoC in different idle states */ -static int at91_enter_idle(struct cpuidle_device *dev, - struct cpuidle_driver *drv, - int index) -{ - if (cpu_is_at91rm9200()) - at91rm9200_standby(); - else if (cpu_is_at91sam9g45()) - at91sam9g45_standby(); - else if (cpu_is_at91sam9263()) - at91sam9263_standby(); - else - at91sam9_standby(); - - return index; -} - -static struct cpuidle_driver at91_idle_driver = { - .name = "at91_idle", - .owner = THIS_MODULE, - .states[0] = ARM_CPUIDLE_WFI_STATE, - .states[1] = { - .enter = at91_enter_idle, - .exit_latency = 10, - .target_residency = 10000, - .flags = CPUIDLE_FLAG_TIME_VALID, - .name = "RAM_SR", - .desc = "WFI and DDR Self Refresh", - }, - .state_count = AT91_MAX_STATES, -}; - -/* Initialize CPU idle by registering the idle states */ -static int __init at91_init_cpuidle(void) -{ - return cpuidle_register(&at91_idle_driver, NULL); -} - -device_initcall(at91_init_cpuidle); diff --git a/arch/arm/mach-at91/include/mach/at91_adc.h b/arch/arm/mach-at91/include/mach/at91_adc.h index 048a57f76bd3..c287307b9a3b 100644 --- a/arch/arm/mach-at91/include/mach/at91_adc.h +++ b/arch/arm/mach-at91/include/mach/at91_adc.h @@ -60,14 +60,48 @@ #define AT91_ADC_IER 0x24 /* Interrupt Enable Register */ #define AT91_ADC_IDR 0x28 /* Interrupt Disable Register */ #define AT91_ADC_IMR 0x2C /* Interrupt Mask Register */ +#define AT91_ADC_IER_PEN (1 << 29) +#define AT91_ADC_IER_NOPEN (1 << 30) +#define AT91_ADC_IER_XRDY (1 << 20) +#define AT91_ADC_IER_YRDY (1 << 21) +#define AT91_ADC_IER_PRDY (1 << 22) +#define AT91_ADC_ISR_PENS (1 << 31) #define AT91_ADC_CHR(n) (0x30 + ((n) * 4)) /* Channel Data Register N */ #define AT91_ADC_DATA (0x3ff) #define AT91_ADC_CDR0_9X5 (0x50) /* Channel Data Register 0 for 9X5 */ +#define AT91_ADC_ACR 0x94 /* Analog Control Register */ +#define AT91_ADC_ACR_PENDETSENS (0x3 << 0) /* pull-up resistor */ + +#define AT91_ADC_TSMR 0xB0 +#define AT91_ADC_TSMR_TSMODE (3 << 0) /* Touch Screen Mode */ +#define AT91_ADC_TSMR_TSMODE_NONE (0 << 0) +#define AT91_ADC_TSMR_TSMODE_4WIRE_NO_PRESS (1 << 0) +#define AT91_ADC_TSMR_TSMODE_4WIRE_PRESS (2 << 0) +#define AT91_ADC_TSMR_TSMODE_5WIRE (3 << 0) +#define AT91_ADC_TSMR_TSAV (3 << 4) /* Averages samples */ +#define AT91_ADC_TSMR_TSAV_(x) ((x) << 4) +#define AT91_ADC_TSMR_SCTIM (0x0f << 16) /* Switch closure time */ +#define AT91_ADC_TSMR_PENDBC (0x0f << 28) /* Pen Debounce time */ +#define AT91_ADC_TSMR_PENDBC_(x) ((x) << 28) +#define AT91_ADC_TSMR_NOTSDMA (1 << 22) /* No Touchscreen DMA */ +#define AT91_ADC_TSMR_PENDET_DIS (0 << 24) /* Pen contact detection disable */ +#define AT91_ADC_TSMR_PENDET_ENA (1 << 24) /* Pen contact detection enable */ + +#define AT91_ADC_TSXPOSR 0xB4 +#define AT91_ADC_TSYPOSR 0xB8 +#define AT91_ADC_TSPRESSR 0xBC + #define AT91_ADC_TRGR_9260 AT91_ADC_MR #define AT91_ADC_TRGR_9G45 0x08 #define AT91_ADC_TRGR_9X5 0xC0 +/* Trigger Register bit field */ +#define AT91_ADC_TRGR_TRGPER (0xffff << 16) +#define AT91_ADC_TRGR_TRGPER_(x) ((x) << 16) +#define AT91_ADC_TRGR_TRGMOD (0x7 << 0) +#define AT91_ADC_TRGR_MOD_PERIOD_TRIG (5 << 0) + #endif diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 15afb5d9271f..9986542e8060 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -39,6 +39,8 @@ #include "at91_rstc.h" #include "at91_shdwc.h" +static void (*at91_pm_standby)(void); + static void __init show_reset_status(void) { static char reset[] __initdata = "reset"; @@ -266,14 +268,8 @@ static int at91_pm_enter(suspend_state_t state) * For ARM 926 based chips, this requirement is weaker * as at91sam9 can access a RAM in self-refresh mode. */ - if (cpu_is_at91rm9200()) - at91rm9200_standby(); - else if (cpu_is_at91sam9g45()) - at91sam9g45_standby(); - else if (cpu_is_at91sam9263()) - at91sam9263_standby(); - else - at91sam9_standby(); + if (at91_pm_standby) + at91_pm_standby(); break; case PM_SUSPEND_ON: @@ -314,6 +310,18 @@ static const struct platform_suspend_ops at91_pm_ops = { .end = at91_pm_end, }; +static struct platform_device at91_cpuidle_device = { + .name = "cpuidle-at91", +}; + +void at91_pm_set_standby(void (*at91_standby)(void)) +{ + if (at91_standby) { + at91_cpuidle_device.dev.platform_data = at91_standby; + at91_pm_standby = at91_standby; + } +} + static int __init at91_pm_init(void) { #ifdef CONFIG_AT91_SLOW_CLOCK @@ -325,6 +333,9 @@ static int __init at91_pm_init(void) /* AT91RM9200 SDRAM low-power mode cannot be used with self-refresh. */ if (cpu_is_at91rm9200()) at91_ramc_write(0, AT91RM9200_SDRAMC_LPR, 0); + + if (at91_cpuidle_device.dev.platform_data) + platform_device_register(&at91_cpuidle_device); suspend_set_ops(&at91_pm_ops); diff --git a/arch/arm/mach-at91/pm.h b/arch/arm/mach-at91/pm.h index 2f5908f0b8c5..3ed190ce062b 100644 --- a/arch/arm/mach-at91/pm.h +++ b/arch/arm/mach-at91/pm.h @@ -11,9 +11,13 @@ #ifndef __ARCH_ARM_MACH_AT91_PM #define __ARCH_ARM_MACH_AT91_PM +#include <asm/proc-fns.h> + #include <mach/at91_ramc.h> #include <mach/at91rm9200_sdramc.h> +extern void at91_pm_set_standby(void (*at91_standby)(void)); + /* * The AT91RM9200 goes into self-refresh mode with this command, and will * terminate self-refresh automatically on the next SDRAM access. @@ -45,16 +49,18 @@ static inline void at91rm9200_standby(void) /* We manage both DDRAM/SDRAM controllers, we need more than one value to * remember. */ -static inline void at91sam9g45_standby(void) +static inline void at91_ddr_standby(void) { /* Those two values allow us to delay self-refresh activation * to the maximum. */ - u32 lpr0, lpr1; - u32 saved_lpr0, saved_lpr1; + u32 lpr0, lpr1 = 0; + u32 saved_lpr0, saved_lpr1 = 0; - saved_lpr1 = at91_ramc_read(1, AT91_DDRSDRC_LPR); - lpr1 = saved_lpr1 & ~AT91_DDRSDRC_LPCB; - lpr1 |= AT91_DDRSDRC_LPCB_SELF_REFRESH; + if (at91_ramc_base[1]) { + saved_lpr1 = at91_ramc_read(1, AT91_DDRSDRC_LPR); + lpr1 = saved_lpr1 & ~AT91_DDRSDRC_LPCB; + lpr1 |= AT91_DDRSDRC_LPCB_SELF_REFRESH; + } saved_lpr0 = at91_ramc_read(0, AT91_DDRSDRC_LPR); lpr0 = saved_lpr0 & ~AT91_DDRSDRC_LPCB; @@ -62,25 +68,29 @@ static inline void at91sam9g45_standby(void) /* self-refresh mode now */ at91_ramc_write(0, AT91_DDRSDRC_LPR, lpr0); - at91_ramc_write(1, AT91_DDRSDRC_LPR, lpr1); + if (at91_ramc_base[1]) + at91_ramc_write(1, AT91_DDRSDRC_LPR, lpr1); cpu_do_idle(); at91_ramc_write(0, AT91_DDRSDRC_LPR, saved_lpr0); - at91_ramc_write(1, AT91_DDRSDRC_LPR, saved_lpr1); + if (at91_ramc_base[1]) + at91_ramc_write(1, AT91_DDRSDRC_LPR, saved_lpr1); } /* We manage both DDRAM/SDRAM controllers, we need more than one value to * remember. */ -static inline void at91sam9263_standby(void) +static inline void at91sam9_sdram_standby(void) { - u32 lpr0, lpr1; - u32 saved_lpr0, saved_lpr1; + u32 lpr0, lpr1 = 0; + u32 saved_lpr0, saved_lpr1 = 0; - saved_lpr1 = at91_ramc_read(1, AT91_SDRAMC_LPR); - lpr1 = saved_lpr1 & ~AT91_SDRAMC_LPCB; - lpr1 |= AT91_SDRAMC_LPCB_SELF_REFRESH; + if (at91_ramc_base[1]) { + saved_lpr1 = at91_ramc_read(1, AT91_SDRAMC_LPR); + lpr1 = saved_lpr1 & ~AT91_SDRAMC_LPCB; + lpr1 |= AT91_SDRAMC_LPCB_SELF_REFRESH; + } saved_lpr0 = at91_ramc_read(0, AT91_SDRAMC_LPR); lpr0 = saved_lpr0 & ~AT91_SDRAMC_LPCB; @@ -88,27 +98,14 @@ static inline void at91sam9263_standby(void) /* self-refresh mode now */ at91_ramc_write(0, AT91_SDRAMC_LPR, lpr0); - at91_ramc_write(1, AT91_SDRAMC_LPR, lpr1); + if (at91_ramc_base[1]) + at91_ramc_write(1, AT91_SDRAMC_LPR, lpr1); cpu_do_idle(); at91_ramc_write(0, AT91_SDRAMC_LPR, saved_lpr0); - at91_ramc_write(1, AT91_SDRAMC_LPR, saved_lpr1); -} - -static inline void at91sam9_standby(void) -{ - u32 saved_lpr, lpr; - - saved_lpr = at91_ramc_read(0, AT91_SDRAMC_LPR); - - lpr = saved_lpr & ~AT91_SDRAMC_LPCB; - at91_ramc_write(0, AT91_SDRAMC_LPR, lpr | - AT91_SDRAMC_LPCB_SELF_REFRESH); - - cpu_do_idle(); - - at91_ramc_write(0, AT91_SDRAMC_LPR, saved_lpr); + if (at91_ramc_base[1]) + at91_ramc_write(1, AT91_SDRAMC_LPR, saved_lpr1); } #endif diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index b17fbcf4d9e8..094b3459c288 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -23,6 +23,7 @@ #include "at91_shdwc.h" #include "soc.h" #include "generic.h" +#include "pm.h" struct at91_init_soc __initdata at91_boot_soc; @@ -376,15 +377,16 @@ static void at91_dt_rstc(void) } static struct of_device_id ramc_ids[] = { - { .compatible = "atmel,at91rm9200-sdramc" }, - { .compatible = "atmel,at91sam9260-sdramc" }, - { .compatible = "atmel,at91sam9g45-ddramc" }, + { .compatible = "atmel,at91rm9200-sdramc", .data = at91rm9200_standby }, + { .compatible = "atmel,at91sam9260-sdramc", .data = at91sam9_sdram_standby }, + { .compatible = "atmel,at91sam9g45-ddramc", .data = at91_ddr_standby }, { /*sentinel*/ } }; static void at91_dt_ramc(void) { struct device_node *np; + const struct of_device_id *of_id; np = of_find_matching_node(NULL, ramc_ids); if (!np) @@ -396,6 +398,12 @@ static void at91_dt_ramc(void) /* the controller may have 2 banks */ at91_ramc_base[1] = of_iomap(np, 1); + of_id = of_match_node(ramc_ids, np); + if (!of_id) + pr_warn("AT91: ramc no standby function available\n"); + else + at91_pm_set_standby(of_id->data); + of_node_put(np); } |