diff options
Diffstat (limited to 'arch/arm/mach-at91/at91sam9g45.c')
-rw-r--r-- | arch/arm/mach-at91/at91sam9g45.c | 62 |
1 files changed, 27 insertions, 35 deletions
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index 11e214121b23..318b0407ea04 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -12,6 +12,7 @@ #include <linux/module.h> #include <linux/pm.h> +#include <linux/dma-mapping.h> #include <asm/irq.h> #include <asm/mach/arch.h> @@ -22,23 +23,10 @@ #include <mach/at91_shdwc.h> #include <mach/cpu.h> +#include "soc.h" #include "generic.h" #include "clock.h" -static struct map_desc at91sam9g45_io_desc[] __initdata = { - { - .virtual = AT91_VA_BASE_SYS, - .pfn = __phys_to_pfn(AT91_BASE_SYS), - .length = SZ_16K, - .type = MT_DEVICE, - }, { - .virtual = AT91_IO_VIRT_BASE - AT91SAM9G45_SRAM_SIZE, - .pfn = __phys_to_pfn(AT91SAM9G45_SRAM_BASE), - .length = AT91SAM9G45_SRAM_SIZE, - .type = MT_DEVICE, - } -}; - /* -------------------------------------------------------------------- * Clocks * -------------------------------------------------------------------- */ @@ -66,6 +54,11 @@ static struct clk 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, @@ -189,6 +182,7 @@ static struct clk *periph_clocks[] __initdata = { &pioB_clk, &pioC_clk, &pioDE_clk, + &trng_clk, &usart0_clk, &usart1_clk, &usart2_clk, @@ -228,6 +222,15 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tcb0_clk), CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk), CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk), + CLKDEV_CON_DEV_ID(NULL, "atmel-trng", &trng_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), + /* fake hclk clock */ + CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &uhphs_clk), }; static struct clk_lookup usart_clocks_lookups[] = { @@ -329,24 +332,18 @@ static void at91sam9g45_poweroff(void) * AT91SAM9G45 processor initialization * -------------------------------------------------------------------- */ -void __init at91sam9g45_map_io(void) +static void __init at91sam9g45_map_io(void) { - /* Map peripherals */ - iotable_init(at91sam9g45_io_desc, ARRAY_SIZE(at91sam9g45_io_desc)); + at91_init_sram(0, AT91SAM9G45_SRAM_BASE, AT91SAM9G45_SRAM_SIZE); + init_consistent_dma_size(SZ_4M); } -void __init at91sam9g45_initialize(unsigned long main_clock) +static void __init at91sam9g45_initialize(void) { at91_arch_reset = at91sam9g45_reset; pm_power_off = at91sam9g45_poweroff; at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0); - /* Init clock subsystem */ - at91_clock_init(main_clock); - - /* Register the processor-specific clocks */ - at91sam9g45_register_clocks(); - /* Register GPIO subsystem */ at91_gpio_init(at91sam9g45_gpio, 5); } @@ -393,14 +390,9 @@ static unsigned int at91sam9g45_default_irq_priority[NR_AIC_IRQS] __initdata = { 0, /* Advanced Interrupt Controller (IRQ0) */ }; -void __init at91sam9g45_init_interrupts(unsigned int priority[NR_AIC_IRQS]) -{ - if (!priority) - priority = at91sam9g45_default_irq_priority; - - /* Initialize the AIC interrupt controller */ - at91_aic_init(priority); - - /* Enable GPIO interrupts */ - at91_gpio_irq_setup(); -} +struct at91_init_soc __initdata at91sam9g45_soc = { + .map_io = at91sam9g45_map_io, + .default_irq_priority = at91sam9g45_default_irq_priority, + .register_clocks = at91sam9g45_register_clocks, + .init = at91sam9g45_initialize, +}; |