diff options
Diffstat (limited to 'arch/arm/mach-at91')
87 files changed, 1114 insertions, 888 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index d111c3e9924..4f991f29528 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -3,6 +3,12 @@ if ARCH_AT91 config HAVE_AT91_DATAFLASH_CARD bool +config HAVE_AT91_DBGU0 + bool + +config HAVE_AT91_DBGU1 + bool + config HAVE_AT91_USART3 bool @@ -21,12 +27,14 @@ config ARCH_AT91RM9200 bool "AT91RM9200" select CPU_ARM920T select GENERIC_CLOCKEVENTS + select HAVE_AT91_DBGU0 select HAVE_AT91_USART3 config ARCH_AT91SAM9260 bool "AT91SAM9260 or AT91SAM9XE" select CPU_ARM926T select GENERIC_CLOCKEVENTS + select HAVE_AT91_DBGU0 select HAVE_AT91_USART3 select HAVE_AT91_USART4 select HAVE_AT91_USART5 @@ -37,11 +45,13 @@ config ARCH_AT91SAM9261 select CPU_ARM926T select GENERIC_CLOCKEVENTS select HAVE_FB_ATMEL + select HAVE_AT91_DBGU0 config ARCH_AT91SAM9G10 bool "AT91SAM9G10" select CPU_ARM926T select GENERIC_CLOCKEVENTS + select HAVE_AT91_DBGU0 select HAVE_FB_ATMEL config ARCH_AT91SAM9263 @@ -50,6 +60,7 @@ config ARCH_AT91SAM9263 select GENERIC_CLOCKEVENTS select HAVE_FB_ATMEL select HAVE_NET_MACB + select HAVE_AT91_DBGU1 config ARCH_AT91SAM9RL bool "AT91SAM9RL" @@ -57,11 +68,13 @@ config ARCH_AT91SAM9RL select GENERIC_CLOCKEVENTS select HAVE_AT91_USART3 select HAVE_FB_ATMEL + select HAVE_AT91_DBGU0 config ARCH_AT91SAM9G20 bool "AT91SAM9G20" select CPU_ARM926T select GENERIC_CLOCKEVENTS + select HAVE_AT91_DBGU0 select HAVE_AT91_USART3 select HAVE_AT91_USART4 select HAVE_AT91_USART5 @@ -74,6 +87,7 @@ config ARCH_AT91SAM9G45 select HAVE_AT91_USART3 select HAVE_FB_ATMEL select HAVE_NET_MACB + select HAVE_AT91_DBGU1 config ARCH_AT91CAP9 bool "AT91CAP9" @@ -81,6 +95,7 @@ config ARCH_AT91CAP9 select GENERIC_CLOCKEVENTS select HAVE_FB_ATMEL select HAVE_NET_MACB + select HAVE_AT91_DBGU1 config ARCH_AT91X40 bool "AT91x40" @@ -510,8 +525,13 @@ config AT91_TIMER_HZ choice prompt "Select a UART for early kernel messages" -config AT91_EARLY_DBGU - bool "DBGU" +config AT91_EARLY_DBGU0 + bool "DBGU on rm9200, 9260/9g20, 9261/9g10 and 9rl" + depends on HAVE_AT91_DBGU0 + +config AT91_EARLY_DBGU1 + bool "DBGU on 9263, 9g45 and cap9" + depends on HAVE_AT91_DBGU1 config AT91_EARLY_USART0 bool "USART0" diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c index 17632b82dd7..edb879ac04c 100644 --- a/arch/arm/mach-at91/at91cap9.c +++ b/arch/arm/mach-at91/at91cap9.c @@ -13,7 +13,6 @@ */ #include <linux/module.h> -#include <linux/pm.h> #include <asm/irq.h> #include <asm/mach/arch.h> @@ -23,11 +22,11 @@ #include <mach/at91cap9.h> #include <mach/at91_pmc.h> #include <mach/at91_rstc.h> -#include <mach/at91_shdwc.h> #include "soc.h" #include "generic.h" #include "clock.h" +#include "sam9_smc.h" /* -------------------------------------------------------------------- * Clocks @@ -223,6 +222,10 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk), /* fake hclk clock */ CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk), + CLKDEV_CON_ID("pioA", &pioABCD_clk), + CLKDEV_CON_ID("pioB", &pioABCD_clk), + CLKDEV_CON_ID("pioC", &pioABCD_clk), + CLKDEV_CON_ID("pioD", &pioABCD_clk), }; static struct clk_lookup usart_clocks_lookups[] = { @@ -295,37 +298,27 @@ void __init at91cap9_set_console_clock(int id) * GPIO * -------------------------------------------------------------------- */ -static struct at91_gpio_bank at91cap9_gpio[] = { +static struct at91_gpio_bank at91cap9_gpio[] __initdata = { { .id = AT91CAP9_ID_PIOABCD, - .offset = AT91_PIOA, - .clock = &pioABCD_clk, + .regbase = AT91CAP9_BASE_PIOA, }, { .id = AT91CAP9_ID_PIOABCD, - .offset = AT91_PIOB, - .clock = &pioABCD_clk, + .regbase = AT91CAP9_BASE_PIOB, }, { .id = AT91CAP9_ID_PIOABCD, - .offset = AT91_PIOC, - .clock = &pioABCD_clk, + .regbase = AT91CAP9_BASE_PIOC, }, { .id = AT91CAP9_ID_PIOABCD, - .offset = AT91_PIOD, - .clock = &pioABCD_clk, + .regbase = AT91CAP9_BASE_PIOD, } }; -static void at91cap9_reset(void) +static void at91cap9_restart(char mode, const char *cmd) { at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); } -static void at91cap9_poweroff(void) -{ - at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); -} - - /* -------------------------------------------------------------------- * AT91CAP9 processor initialization * -------------------------------------------------------------------- */ @@ -335,10 +328,16 @@ static void __init at91cap9_map_io(void) at91_init_sram(0, AT91CAP9_SRAM_BASE, AT91CAP9_SRAM_SIZE); } +static void __init at91cap9_ioremap_registers(void) +{ + at91_ioremap_shdwc(AT91CAP9_BASE_SHDWC); + at91sam926x_ioremap_pit(AT91CAP9_BASE_PIT); + at91sam9_ioremap_smc(0, AT91CAP9_BASE_SMC); +} + static void __init at91cap9_initialize(void) { - at91_arch_reset = at91cap9_reset; - pm_power_off = at91cap9_poweroff; + arm_pm_restart = at91cap9_restart; at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1); /* Register GPIO subsystem */ @@ -396,6 +395,7 @@ static unsigned int at91cap9_default_irq_priority[NR_AIC_IRQS] __initdata = { struct at91_init_soc __initdata at91cap9_soc = { .map_io = at91cap9_map_io, .default_irq_priority = at91cap9_default_irq_priority, + .ioremap_registers = at91cap9_ioremap_registers, .register_clocks = at91cap9_register_clocks, .init = at91cap9_initialize, }; diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c index 695aecab0a6..d298fb7cb21 100644 --- a/arch/arm/mach-at91/at91cap9_devices.c +++ b/arch/arm/mach-at91/at91cap9_devices.c @@ -76,7 +76,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) /* Enable VBus control for UHP ports */ for (i = 0; i < data->ports; i++) { - if (data->vbus_pin[i]) + if (gpio_is_valid(data->vbus_pin[i])) at91_set_gpio_output(data->vbus_pin[i], 0); } @@ -179,7 +179,7 @@ void __init at91_add_device_usba(struct usba_platform_data *data) usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep); memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep)); - if (data && data->vbus_pin > 0) { + if (data && gpio_is_valid(data->vbus_pin)) { at91_set_gpio_input(data->vbus_pin, 0); at91_set_deglitch(data->vbus_pin, 1); usba_udc_data.pdata.vbus_pin = data->vbus_pin; @@ -232,7 +232,7 @@ void __init at91_add_device_eth(struct macb_platform_data *data) if (!data) return; - if (data->phy_irq_pin) { + if (gpio_is_valid(data->phy_irq_pin)) { at91_set_gpio_input(data->phy_irq_pin, 0); at91_set_deglitch(data->phy_irq_pin, 1); } @@ -332,13 +332,13 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) return; /* input/irq */ - if (data->det_pin) { + if (gpio_is_valid(data->det_pin)) { at91_set_gpio_input(data->det_pin, 1); at91_set_deglitch(data->det_pin, 1); } - if (data->wp_pin) + if (gpio_is_valid(data->wp_pin)) at91_set_gpio_input(data->wp_pin, 1); - if (data->vcc_pin) + if (gpio_is_valid(data->vcc_pin)) at91_set_gpio_output(data->vcc_pin, 0); if (mmc_id == 0) { /* MCI0 */ @@ -398,8 +398,8 @@ static struct resource nand_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = AT91_BASE_SYS + AT91_ECC, - .end = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1, + .start = AT91CAP9_BASE_ECC, + .end = AT91CAP9_BASE_ECC + SZ_512 - 1, .flags = IORESOURCE_MEM, } }; @@ -425,15 +425,15 @@ void __init at91_add_device_nand(struct atmel_nand_data *data) at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA); /* enable pin */ - if (data->enable_pin) + if (gpio_is_valid(data->enable_pin)) at91_set_gpio_output(data->enable_pin, 1); /* ready/busy pin */ - if (data->rdy_pin) + if (gpio_is_valid(data->rdy_pin)) at91_set_gpio_input(data->rdy_pin, 1); /* card detect pin */ - if (data->det_pin) + if (gpio_is_valid(data->det_pin)) at91_set_gpio_input(data->det_pin, 1); nand_data = *data; @@ -670,8 +670,8 @@ static void __init at91_add_device_tc(void) { } static struct resource rtt_resources[] = { { - .start = AT91_BASE_SYS + AT91_RTT, - .end = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1, + .start = AT91CAP9_BASE_RTT, + .end = AT91CAP9_BASE_RTT + SZ_16 - 1, .flags = IORESOURCE_MEM, } }; @@ -694,10 +694,19 @@ static void __init at91_add_device_rtt(void) * -------------------------------------------------------------------- */ #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) +static struct resource wdt_resources[] = { + { + .start = AT91CAP9_BASE_WDT, + .end = AT91CAP9_BASE_WDT + SZ_16 - 1, + .flags = IORESOURCE_MEM, + } +}; + static struct platform_device at91cap9_wdt_device = { .name = "at91_wdt", .id = -1, - .num_resources = 0, + .resource = wdt_resources, + .num_resources = ARRAY_SIZE(wdt_resources), }; static void __init at91_add_device_watchdog(void) @@ -807,7 +816,7 @@ void __init at91_add_device_ac97(struct ac97c_platform_data *data) at91_set_A_periph(AT91_PIN_PA9, 0); /* AC97RX */ /* reset */ - if (data->reset_pin) + if (gpio_is_valid(data->reset_pin)) at91_set_gpio_output(data->reset_pin, 0); ac97_data = *data; @@ -1021,8 +1030,8 @@ void __init at91_add_device_ssc(unsigned id, unsigned pins) {} #if defined(CONFIG_SERIAL_ATMEL) static struct resource dbgu_resources[] = { [0] = { - .start = AT91_BASE_SYS + AT91_DBGU, - .end = AT91_BASE_SYS + AT91_DBGU + SZ_512 - 1, + .start = AT91CAP9_BASE_DBGU, + .end = AT91CAP9_BASE_DBGU + SZ_512 - 1, .flags = IORESOURCE_MEM, }, [1] = { diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c index 713d3bdbd28..99c3174e24a 100644 --- a/arch/arm/mach-at91/at91rm9200.c +++ b/arch/arm/mach-at91/at91rm9200.c @@ -23,6 +23,7 @@ #include "soc.h" #include "generic.h" #include "clock.h" +#include "sam9_smc.h" static struct map_desc at91rm9200_io_desc[] __initdata = { { @@ -195,6 +196,10 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk), /* fake hclk clock */ CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk), + CLKDEV_CON_ID("pioA", &pioA_clk), + CLKDEV_CON_ID("pioB", &pioB_clk), + CLKDEV_CON_ID("pioC", &pioC_clk), + CLKDEV_CON_ID("pioD", &pioD_clk), }; static struct clk_lookup usart_clocks_lookups[] = { @@ -268,27 +273,23 @@ void __init at91rm9200_set_console_clock(int id) * GPIO * -------------------------------------------------------------------- */ -static struct at91_gpio_bank at91rm9200_gpio[] = { +static struct at91_gpio_bank at91rm9200_gpio[] __initdata = { { .id = AT91RM9200_ID_PIOA, - .offset = AT91_PIOA, - .clock = &pioA_clk, + .regbase = AT91RM9200_BASE_PIOA, }, { .id = AT91RM9200_ID_PIOB, - .offset = AT91_PIOB, - .clock = &pioB_clk, + .regbase = AT91RM9200_BASE_PIOB, }, { .id = AT91RM9200_ID_PIOC, - .offset = AT91_PIOC, - .clock = &pioC_clk, + .regbase = AT91RM9200_BASE_PIOC, }, { .id = AT91RM9200_ID_PIOD, - .offset = AT91_PIOD, - .clock = &pioD_clk, + .regbase = AT91RM9200_BASE_PIOD, } }; -static void at91rm9200_reset(void) +static void at91rm9200_restart(char mode, const char *cmd) { /* * Perform a hardware reset with the use of the Watchdog timer. @@ -307,9 +308,13 @@ static void __init at91rm9200_map_io(void) iotable_init(at91rm9200_io_desc, ARRAY_SIZE(at91rm9200_io_desc)); } +static void __init at91rm9200_ioremap_registers(void) +{ +} + static void __init at91rm9200_initialize(void) { - at91_arch_reset = at91rm9200_reset; + arm_pm_restart = at91rm9200_restart; at91_extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1) | (1 << AT91RM9200_ID_IRQ2) | (1 << AT91RM9200_ID_IRQ3) | (1 << AT91RM9200_ID_IRQ4) | (1 << AT91RM920 |