diff options
Diffstat (limited to 'arch/arm/mach-at91/at91sam9g45.c')
| -rw-r--r-- | arch/arm/mach-at91/at91sam9g45.c | 456 |
1 files changed, 1 insertions, 455 deletions
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index 405427ec05f8..b6117bea9a6f 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -10,356 +10,12 @@ * */ -#include <linux/module.h> -#include <linux/dma-mapping.h> -#include <linux/clk/at91_pmc.h> -#include <linux/platform_device.h> - -#include <asm/irq.h> -#include <asm/mach/arch.h> -#include <asm/mach/map.h> #include <asm/system_misc.h> -#include <mach/at91sam9g45.h> -#include <mach/cpu.h> +#include <asm/irq.h> #include <mach/hardware.h> -#include "at91_aic.h" #include "soc.h" #include "generic.h" -#include "sam9_smc.h" -#include "pm.h" - -#if defined(CONFIG_OLD_CLK_AT91) -#include "clock.h" -/* -------------------------------------------------------------------- - * Clocks - * -------------------------------------------------------------------- */ - -/* - * The peripheral clocks. - */ -static struct clk pioA_clk = { - .name = "pioA_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_PIOA, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk pioB_clk = { - .name = "pioB_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_PIOB, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk pioC_clk = { - .name = "pioC_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_PIOC, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk pioDE_clk = { - .name = "pioDE_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_PIODE, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk trng_clk = { - .name = "trng_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_TRNG, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk usart0_clk = { - .name = "usart0_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_US0, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk usart1_clk = { - .name = "usart1_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_US1, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk usart2_clk = { - .name = "usart2_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_US2, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk usart3_clk = { - .name = "usart3_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_US3, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk mmc0_clk = { - .name = "mci0_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_MCI0, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk twi0_clk = { - .name = "twi0_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_TWI0, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk twi1_clk = { - .name = "twi1_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_TWI1, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk spi0_clk = { - .name = "spi0_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_SPI0, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk spi1_clk = { - .name = "spi1_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_SPI1, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk ssc0_clk = { - .name = "ssc0_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_SSC0, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk ssc1_clk = { - .name = "ssc1_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_SSC1, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk tcb0_clk = { - .name = "tcb0_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_TCB, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk pwm_clk = { - .name = "pwm_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_PWMC, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk tsc_clk = { - .name = "tsc_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_TSC, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk dma_clk = { - .name = "dma_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_DMA, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk uhphs_clk = { - .name = "uhphs_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_UHPHS, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk lcdc_clk = { - .name = "lcdc_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_LCDC, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk ac97_clk = { - .name = "ac97_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_AC97C, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk macb_clk = { - .name = "pclk", - .pmc_mask = 1 << AT91SAM9G45_ID_EMAC, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk isi_clk = { - .name = "isi_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_ISI, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk udphs_clk = { - .name = "udphs_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_UDPHS, - .type = CLK_TYPE_PERIPHERAL, -}; -static struct clk mmc1_clk = { - .name = "mci1_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_MCI1, - .type = CLK_TYPE_PERIPHERAL, -}; - -/* Video decoder clock - Only for sam9m10/sam9m11 */ -static struct clk vdec_clk = { - .name = "vdec_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_VDEC, - .type = CLK_TYPE_PERIPHERAL, -}; - -static struct clk adc_op_clk = { - .name = "adc_op_clk", - .type = CLK_TYPE_PERIPHERAL, - .rate_hz = 300000, -}; - -/* AES/TDES/SHA clock - Only for sam9m11/sam9g56 */ -static struct clk aestdessha_clk = { - .name = "aestdessha_clk", - .pmc_mask = 1 << AT91SAM9G45_ID_AESTDESSHA, - .type = CLK_TYPE_PERIPHERAL, -}; - -static struct clk *periph_clocks[] __initdata = { - &pioA_clk, - &pioB_clk, - &pioC_clk, - &pioDE_clk, - &trng_clk, - &usart0_clk, - &usart1_clk, - &usart2_clk, - &usart3_clk, - &mmc0_clk, - &twi0_clk, - &twi1_clk, - &spi0_clk, - &spi1_clk, - &ssc0_clk, - &ssc1_clk, - &tcb0_clk, - &pwm_clk, - &tsc_clk, - &dma_clk, - &uhphs_clk, - &lcdc_clk, - &ac97_clk, - &macb_clk, - &isi_clk, - &udphs_clk, - &mmc1_clk, - &adc_op_clk, - &aestdessha_clk, - // irq0 -}; - -static struct clk_lookup periph_clocks_lookups[] = { - /* One additional fake clock for macb_hclk */ - CLKDEV_CON_ID("hclk", &macb_clk), - /* One additional fake clock for ohci */ - CLKDEV_CON_ID("ohci_clk", &uhphs_clk), - CLKDEV_CON_DEV_ID("hclk", "at91sam9g45-lcdfb.0", &lcdc_clk), - CLKDEV_CON_DEV_ID("hclk", "at91sam9g45es-lcdfb.0", &lcdc_clk), - CLKDEV_CON_DEV_ID("ehci_clk", "atmel-ehci", &uhphs_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("mci_clk", "atmel_mci.0", &mmc0_clk), - CLKDEV_CON_DEV_ID("mci_clk", "atmel_mci.1", &mmc1_clk), - CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk), - CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk), - CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb0_clk), - CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tcb0_clk), - CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g10.0", &twi0_clk), - CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g10.1", &twi1_clk), - CLKDEV_CON_DEV_ID("pclk", "at91sam9g45_ssc.0", &ssc0_clk), - CLKDEV_CON_DEV_ID("pclk", "at91sam9g45_ssc.1", &ssc1_clk), - CLKDEV_CON_DEV_ID("pclk", "fff9c000.ssc", &ssc0_clk), - CLKDEV_CON_DEV_ID("pclk", "fffa0000.ssc", &ssc1_clk), - CLKDEV_CON_DEV_ID(NULL, "atmel-trng", &trng_clk), - CLKDEV_CON_DEV_ID(NULL, "atmel_sha", &aestdessha_clk), - CLKDEV_CON_DEV_ID(NULL, "atmel_tdes", &aestdessha_clk), - CLKDEV_CON_DEV_ID(NULL, "atmel_aes", &aestdessha_clk), - CLKDEV_CON_DEV_ID(NULL, "at91sam9rl-pwm", &pwm_clk), - /* more usart lookup table for DT entries */ - CLKDEV_CON_DEV_ID("usart", "ffffee00.serial", &mck), - CLKDEV_CON_DEV_ID("usart", "fff8c000.serial", &usart0_clk), - CLKDEV_CON_DEV_ID("usart", "fff90000.serial", &usart1_clk), - CLKDEV_CON_DEV_ID("usart", "fff94000.serial", &usart2_clk), - CLKDEV_CON_DEV_ID("usart", "fff98000.serial", &usart3_clk), - /* more tc lookup table for DT entries */ - CLKDEV_CON_DEV_ID("t0_clk", "fff7c000.timer", &tcb0_clk), - CLKDEV_CON_DEV_ID("t0_clk", "fffd4000.timer", &tcb0_clk), - CLKDEV_CON_DEV_ID("hclk", "700000.ohci", &uhphs_clk), - CLKDEV_CON_DEV_ID("ehci_clk", "800000.ehci", &uhphs_clk), - CLKDEV_CON_DEV_ID("mci_clk", "fff80000.mmc", &mmc0_clk), - CLKDEV_CON_DEV_ID("mci_clk", "fffd0000.mmc", &mmc1_clk), - CLKDEV_CON_DEV_ID(NULL, "fff84000.i2c", &twi0_clk), - CLKDEV_CON_DEV_ID(NULL, "fff88000.i2c", &twi1_clk), - CLKDEV_CON_DEV_ID("spi_clk", "fffa4000.spi", &spi0_clk), - CLKDEV_CON_DEV_ID("spi_clk", "fffa8000.spi", &spi1_clk), - CLKDEV_CON_DEV_ID("hclk", "600000.gadget", &utmi_clk), - CLKDEV_CON_DEV_ID("pclk", "600000.gadget", &udphs_clk), - /* fake hclk clock */ - CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &uhphs_clk), - CLKDEV_CON_DEV_ID(NULL, "fffff200.gpio", &pioA_clk), - CLKDEV_CON_DEV_ID(NULL, "fffff400.gpio", &pioB_clk), - CLKDEV_CON_DEV_ID(NULL, "fffff600.gpio", &pioC_clk), - CLKDEV_CON_DEV_ID(NULL, "fffff800.gpio", &pioDE_clk), - CLKDEV_CON_DEV_ID(NULL, "fffffa00.gpio", &pioDE_clk), - - CLKDEV_CON_ID("pioA", &pioA_clk), - CLKDEV_CON_ID("pioB", &pioB_clk), - CLKDEV_CON_ID("pioC", &pioC_clk), - CLKDEV_CON_ID("pioD", &pioDE_clk), - CLKDEV_CON_ID("pioE", &pioDE_clk), - /* Fake adc clock */ - CLKDEV_CON_ID("adc_clk", &tsc_clk), - CLKDEV_CON_DEV_ID(NULL, "fffb8000.pwm", &pwm_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 at91sam9g45_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)); - - if (cpu_is_at91sam9m10() || cpu_is_at91sam9m11()) - clk_register(&vdec_clk); - - clk_register(&pck0); - clk_register(&pck1); -} -#else -#define at91sam9g45_register_clocks NULL -#endif - -/* -------------------------------------------------------------------- - * GPIO - * -------------------------------------------------------------------- */ - -static struct at91_gpio_bank at91sam9g45_gpio[] __initdata = { - { - .id = AT91SAM9G45_ID_PIOA, - .regbase = AT91SAM9G45_BASE_PIOA, - }, { - .id = AT91SAM9G45_ID_PIOB, - .regbase = AT91SAM9G45_BASE_PIOB, - }, { - .id = AT91SAM9G45_ID_PIOC, - .regbase = AT91SAM9G45_BASE_PIOC, - }, { - .id = AT91SAM9G45_ID_PIODE, - .regbase = AT91SAM9G45_BASE_PIOD, - }, { - .id = AT91SAM9G45_ID_PIODE, - .regbase = AT91SAM9G45_BASE_PIOE, - } -}; /* -------------------------------------------------------------------- * AT91SAM9G45 processor initialization @@ -370,125 +26,15 @@ static void __init at91sam9g45_map_io(void) at91_init_sram(0, AT91SAM9G45_SRAM_BASE, AT91SAM9G45_SRAM_SIZE); } -static void __init at91sam9g45_ioremap_registers(void) -{ - at91_ioremap_ramc(0, AT91SAM9G45_BASE_DDRSDRC1, 512); - at91_ioremap_ramc(1, AT91SAM9G45_BASE_DDRSDRC0, 512); - 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) { arm_pm_idle = at91sam9_idle; at91_sysirq_mask_rtc(AT91SAM9G45_BASE_RTC); at91_sysirq_mask_rtt(AT91SAM9G45_BASE_RTT); - - /* Register GPIO subsystem */ - at91_gpio_init(at91sam9g45_gpio, 5); -} - -static struct resource rstc_resources[] = { - [0] = { - .start = AT91SAM9G45_BASE_RSTC, - .end = AT91SAM9G45_BASE_RSTC + SZ_16 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = AT91SAM9G45_BASE_DDRSDRC1, - .end = AT91SAM9G45_BASE_DDRSDRC1 + SZ_512 - 1, - .flags = IORESOURCE_MEM, - }, - [2] = { - .start = AT91SAM9G45_BASE_DDRSDRC0, - .end = AT91SAM9G45_BASE_DDRSDRC0 + SZ_512 - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device rstc_device = { - .name = "at91-sam9g45-reset", - .resource = rstc_resources, - .num_resources = ARRAY_SIZE(rstc_resources), -}; - -static struct resource shdwc_resources[] = { - [0] = { - .start = AT91SAM9G45_BASE_SHDWC, - .end = AT91SAM9G45_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 at91sam9g45_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 at91sam9g45_default_irq_priority[NR_AIC_IRQS] __initdata = { - 7, /* Advanced Interrupt Controller (FIQ) */ - 7, /* System Peripherals */ - 1, /* Parallel IO Controller A */ - 1, /* Parallel IO Controller B */ - 1, /* Parallel IO Controller C */ - 1, /* Parallel IO Controller D and E */ - 0, - 5, /* USART 0 */ - 5, /* USART 1 */ - 5, /* USART 2 */ - 5, /* USART 3 */ - 0, /* Multimedia Card Interface 0 */ - 6, /* Two-Wire Interface 0 */ - 6, /* Two-Wire Interface 1 */ - 5, /* Serial Peripheral Interface 0 */ - 5, /* Serial Peripheral Interface 1 */ - 4, /* Serial Synchronous Controller 0 */ - 4, /* Serial Synchronous Controller 1 */ - 0, /* Timer Counter 0, 1, 2, 3, 4 and 5 */ - 0, /* Pulse Width Modulation Controller */ - 0, /* Touch Screen Controller */ - 0, /* DMA Controller */ - 2, /* USB Host High Speed port */ - 3, /* LDC Controller */ - 5, /* AC97 Controller */ - 3, /* Ethernet */ - 0, /* Image Sensor Interface */ - 2, /* USB Device High speed port */ - 0, /* AESTDESSHA Crypto HW Accelerators */ - 0, /* Multimedia Card Interface 1 */ - 0, - 0, /* Advanced Interrupt Controller (IRQ0) */ -}; - -static void __init at91sam9g45_init_time(void) -{ - at91sam926x_pit_init(NR_IRQS_LEGACY + AT91_ID_SYS); } AT91_SOC_START(at91sam9g45) .map_io = at91sam9g45_map_io, - .default_irq_priority = at91sam9g45_default_irq_priority, - .extern_irq = (1 << AT91SAM9G45_ID_IRQ0), - .ioremap_registers = at91sam9g45_ioremap_registers, - .register_clocks = at91sam9g45_register_clocks, - .register_devices = at91sam9g45_register_devices, .init = at91sam9g45_initialize, - .init_time = at91sam9g45_init_time, AT91_SOC_END |