diff options
Diffstat (limited to 'arch/arm/mach-at91/at91sam9rl.c')
| -rw-r--r-- | arch/arm/mach-at91/at91sam9rl.c | 378 |
1 files changed, 1 insertions, 377 deletions
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c index f553e4ea034..f25b9aec9c5 100644 --- a/arch/arm/mach-at91/at91sam9rl.c +++ b/arch/arm/mach-at91/at91sam9rl.c @@ -9,284 +9,14 @@ * more details. */ -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/clk/at91_pmc.h> - -#include <asm/proc-fns.h> -#include <asm/irq.h> -#include <asm/mach/arch.h> -#include <asm/mach/map.h> #include <asm/system_misc.h> +#include <asm/irq.h> #include <mach/cpu.h> #include <mach/at91_dbgu.h> -#include <mach/at91sam9rl.h> #include <mach/hardware.h> -#include "at91_aic.h" #include "soc.h" #include "generic.h" -#include "sam9_smc.h" -#include "pm.h" - -/* -------------------------------------------------------------------- - * Clocks - * -------------------------------------------------------------------- */ -#if defined(CONFIG_OLD_CLK_AT91) -#include "clock.h" - -/* - * The peripheral clocks. - */ -static struct clk pioA_clk = { - .name = "pioA_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_PIOA, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk pioB_clk = { - .name = "pioB_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_PIOB, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk pioC_clk = { - .name = "pioC_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_PIOC, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk pioD_clk = { - .name = "pioD_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_PIOD, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk usart0_clk = { - .name = "usart0_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_US0, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk usart1_clk = { - .name = "usart1_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_US1, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk usart2_clk = { - .name = "usart2_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_US2, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk usart3_clk = { - .name = "usart3_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_US3, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk mmc_clk = { - .name = "mci_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_MCI, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk twi0_clk = { - .name = "twi0_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_TWI0, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk twi1_clk = { - .name = "twi1_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_TWI1, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk spi_clk = { - .name = "spi_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_SPI, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk ssc0_clk = { - .name = "ssc0_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_SSC0, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk ssc1_clk = { - .name = "ssc1_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_SSC1, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk tc0_clk = { - .name = "tc0_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_TC0, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk tc1_clk = { - .name = "tc1_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_TC1, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk tc2_clk = { - .name = "tc2_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_TC2, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk pwm_clk = { - .name = "pwm_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_PWMC, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk tsc_clk = { - .name = "tsc_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_TSC, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk dma_clk = { - .name = "dma_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_DMA, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk udphs_clk = { - .name = "udphs_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_UDPHS, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk lcdc_clk = { - .name = "lcdc_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_LCDC, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk ac97_clk = { - .name = "ac97_clk", - .pmc_mask = 1 << AT91SAM9RL_ID_AC97C, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk adc_op_clk = { - .name = "adc_op_clk", - .type = CLK_TYPE_PERIPHERAL, - .rate_hz = 1000000, -}; - -static struct clk *periph_clocks[] __initdata = { - &pioA_clk, - &pioB_clk, - &pioC_clk, - &pioD_clk, - &usart0_clk, - &usart1_clk, - &usart2_clk, - &usart3_clk, - &mmc_clk, - &twi0_clk, - &twi1_clk, - &spi_clk, - &ssc0_clk, - &ssc1_clk, - &tc0_clk, - &tc1_clk, - &tc2_clk, - &pwm_clk, - &tsc_clk, - &dma_clk, - &udphs_clk, - &lcdc_clk, - &ac97_clk, - &adc_op_clk, - // irq0 -}; - -static struct clk_lookup periph_clocks_lookups[] = { - CLKDEV_CON_DEV_ID("hclk", "at91sam9rl-lcdfb.0", &lcdc_clk), - CLKDEV_CON_DEV_ID("hclk", "atmel_usba_udc", &utmi_clk), - CLKDEV_CON_DEV_ID("pclk", "atmel_usba_udc", &udphs_clk), - CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk), - CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk), - CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk), - CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.0", &ssc0_clk), - CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.1", &ssc1_clk), - CLKDEV_CON_DEV_ID("pclk", "fffc0000.ssc", &ssc0_clk), - CLKDEV_CON_DEV_ID("pclk", "fffc4000.ssc", &ssc1_clk), - CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g20.0", &twi0_clk), - CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g20.1", &twi1_clk), - CLKDEV_CON_DEV_ID(NULL, "at91sam9rl-pwm", &pwm_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), - /* more lookup table for DT entries */ - CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck), - CLKDEV_CON_DEV_ID("usart", "fffb0000.serial", &usart0_clk), - CLKDEV_CON_DEV_ID("usart", "ffffb400.serial", &usart1_clk), - CLKDEV_CON_DEV_ID("usart", "ffffb800.serial", &usart2_clk), - CLKDEV_CON_DEV_ID("usart", "ffffbc00.serial", &usart3_clk), - CLKDEV_CON_DEV_ID("t0_clk", "fffa0000.timer", &tc0_clk), - CLKDEV_CON_DEV_ID("t1_clk", "fffa0000.timer", &tc1_clk), - CLKDEV_CON_DEV_ID("t2_clk", "fffa0000.timer", &tc2_clk), - CLKDEV_CON_DEV_ID("mci_clk", "fffa4000.mmc", &mmc_clk), - CLKDEV_CON_DEV_ID(NULL, "fffa8000.i2c", &twi0_clk), - CLKDEV_CON_DEV_ID(NULL, "fffac000.i2c", &twi1_clk), - CLKDEV_CON_DEV_ID(NULL, "fffc8000.pwm", &pwm_clk), - CLKDEV_CON_DEV_ID(NULL, "ffffc800.pwm", &pwm_clk), - CLKDEV_CON_DEV_ID(NULL, "fffff400.gpio", &pioA_clk), - CLKDEV_CON_DEV_ID(NULL, "fffff600.gpio", &pioB_clk), - CLKDEV_CON_DEV_ID(NULL, "fffff800.gpio", &pioC_clk), - CLKDEV_CON_DEV_ID(NULL, "fffffa00.gpio", &pioD_clk), - CLKDEV_CON_ID("adc_clk", &tsc_clk), -}; - -static struct clk_lookup usart_clocks_lookups[] = { - CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck), - CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk), - CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk), - CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk), - CLKDEV_CON_DEV_ID("usart", "atmel_usart.4", &usart3_clk), -}; - -/* - * The two programmable clocks. - * You must configure pin multiplexing to bring these signals out. - */ -static struct clk pck0 = { - .name = "pck0", - .pmc_mask = AT91_PMC_PCK0, - .type = CLK_TYPE_PROGRAMMABLE, - .id = 0, -}; -static struct clk pck1 = { - .name = "pck1", - .pmc_mask = AT91_PMC_PCK1, - .type = CLK_TYPE_PROGRAMMABLE, - .id = 1, -}; - -static void __init at91sam9rl_register_clocks(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) - clk_register(periph_clocks[i]); - - clkdev_add_table(periph_clocks_lookups, - ARRAY_SIZE(periph_clocks_lookups)); - clkdev_add_table(usart_clocks_lookups, - ARRAY_SIZE(usart_clocks_lookups)); - - clk_register(&pck0); - clk_register(&pck1); -} -#endif - -/* -------------------------------------------------------------------- - * GPIO - * -------------------------------------------------------------------- */ - -static struct at91_gpio_bank at91sam9rl_gpio[] __initdata = { - { - .id = AT91SAM9RL_ID_PIOA, - .regbase = AT91SAM9RL_BASE_PIOA, - }, { - .id = AT91SAM9RL_ID_PIOB, - .regbase = AT91SAM9RL_BASE_PIOB, - }, { - .id = AT91SAM9RL_ID_PIOC, - .regbase = AT91SAM9RL_BASE_PIOC, - }, { - .id = AT91SAM9RL_ID_PIOD, - .regbase = AT91SAM9RL_BASE_PIOD, - } -}; /* -------------------------------------------------------------------- * AT91SAM9RL processor initialization @@ -309,121 +39,15 @@ static void __init at91sam9rl_map_io(void) at91_init_sram(0, AT91SAM9RL_SRAM_BASE, sram_size); } -static void __init at91sam9rl_ioremap_registers(void) -{ - at91_ioremap_ramc(0, AT91SAM9RL_BASE_SDRAMC, 512); - 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) { arm_pm_idle = at91sam9_idle; at91_sysirq_mask_rtc(AT91SAM9RL_BASE_RTC); at91_sysirq_mask_rtt(AT91SAM9RL_BASE_RTT); - - /* Register GPIO subsystem */ - at91_gpio_init(at91sam9rl_gpio, 4); -} - -static struct resource rstc_resources[] = { - [0] = { - .start = AT91SAM9RL_BASE_RSTC, - .end = AT91SAM9RL_BASE_RSTC + SZ_16 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = AT91SAM9RL_BASE_SDRAMC, - .end = AT91SAM9RL_BASE_SDRAMC + SZ_512 - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device rstc_device = { - .name = "at91-sam9260-reset", - .resource = rstc_resources, - .num_resources = ARRAY_SIZE(rstc_resources), -}; - -static struct resource shdwc_resources[] = { - [0] = { - .start = AT91SAM9RL_BASE_SHDWC, - .end = AT91SAM9RL_BASE_SHDWC + SZ_16 - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device shdwc_device = { - .name = "at91-poweroff", - .resource = shdwc_resources, - .num_resources = ARRAY_SIZE(shdwc_resources), -}; - -static void __init at91sam9rl_register_devices(void) -{ - platform_device_register(&rstc_device); - platform_device_register(&shdwc_device); -} - -/* -------------------------------------------------------------------- - * Interrupt initialization - * -------------------------------------------------------------------- */ - -/* - * The default interrupt priority levels (0 = lowest, 7 = highest). - */ -static unsigned int at91sam9rl_default_irq_priority[NR_AIC_IRQS] __initdata = { - 7, /* Advanced Interrupt Controller */ - 7, /* System Peripherals */ - 1, /* Parallel IO Controller A */ - 1, /* Parallel IO Controller B */ - 1, /* Parallel IO Controller C */ - 1, /* Parallel IO Controller D */ - 5, /* USART 0 */ - 5, /* USART 1 */ - 5, /* USART 2 */ - 5, /* USART 3 */ - 0, /* Multimedia Card Interface */ - 6, /* Two-Wire Interface 0 */ - 6, /* Two-Wire Interface 1 */ - 5, /* Serial Peripheral Interface */ - 4, /* Serial Synchronous Controller 0 */ - 4, /* Serial Synchronous Controller 1 */ - 0, /* Timer Counter 0 */ - 0, /* Timer Counter 1 */ - 0, /* Timer Counter 2 */ - 0, - 0, /* Touch Screen Controller */ - 0, /* DMA Controller */ - 2, /* USB Device High speed port */ - 2, /* LCD Controller */ - 6, /* AC97 Controller */ - 0, - 0, - 0, - 0, - 0, - 0, - 0, /* Advanced Interrupt Controller */ -}; - -static void __init at91sam9rl_init_time(void) -{ - at91sam926x_pit_init(NR_IRQS_LEGACY + AT91_ID_SYS); } AT91_SOC_START(at91sam9rl) .map_io = at91sam9rl_map_io, - .default_irq_priority = at91sam9rl_default_irq_priority, - .extern_irq = (1 << AT91SAM9RL_ID_IRQ0), - .ioremap_registers = at91sam9rl_ioremap_registers, -#if defined(CONFIG_OLD_CLK_AT91) - .register_clocks = at91sam9rl_register_clocks, -#endif - .register_devices = at91sam9rl_register_devices, .init = at91sam9rl_initialize, - .init_time = at91sam9rl_init_time, AT91_SOC_END |