diff options
Diffstat (limited to 'arch/arm/mach-nomadik/cpu-8815.c')
| -rw-r--r-- | arch/arm/mach-nomadik/cpu-8815.c | 126 |
1 files changed, 51 insertions, 75 deletions
diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c index 27f43a46985e..6fd8e46567a4 100644 --- a/arch/arm/mach-nomadik/cpu-8815.c +++ b/arch/arm/mach-nomadik/cpu-8815.c @@ -22,6 +22,10 @@ #include <linux/amba/bus.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/slab.h> +#include <linux/irq.h> +#include <linux/dma-mapping.h> +#include <linux/platform_data/clk-nomadik.h> #include <plat/gpio-nomadik.h> #include <mach/hardware.h> @@ -32,91 +36,63 @@ #include <asm/cacheflush.h> #include <asm/hardware/cache-l2x0.h> -#include "clock.h" #include "cpu-8815.h" -#define __MEM_4K_RESOURCE(x) \ - .res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM} - /* The 8815 has 4 GPIO blocks, let's register them immediately */ - -#define GPIO_RESOURCE(block) \ - { \ - .start = NOMADIK_GPIO##block##_BASE, \ - .end = NOMADIK_GPIO##block##_BASE + SZ_4K - 1, \ - .flags = IORESOURCE_MEM, \ - }, \ - { \ - .start = IRQ_GPIO##block, \ - .end = IRQ_GPIO##block, \ - .flags = IORESOURCE_IRQ, \ - } - -#define GPIO_DEVICE(block) \ - { \ - .name = "gpio", \ - .id = block, \ - .num_resources = 2, \ - .resource = &cpu8815_gpio_resources[block * 2], \ - .dev = { \ - .platform_data = &cpu8815_gpio[block], \ - }, \ - } - -static struct nmk_gpio_platform_data cpu8815_gpio[] = { - { - .name = "GPIO-0-31", - .first_gpio = 0, - .first_irq = NOMADIK_GPIO_TO_IRQ(0), - }, { - .name = "GPIO-32-63", - .first_gpio = 32, - .first_irq = NOMADIK_GPIO_TO_IRQ(32), - }, { - .name = "GPIO-64-95", - .first_gpio = 64, - .first_irq = NOMADIK_GPIO_TO_IRQ(64), - }, { - .name = "GPIO-96-127", /* 124..127 not routed to pin */ - .first_gpio = 96, - .first_irq = NOMADIK_GPIO_TO_IRQ(96), - } +static resource_size_t __initdata cpu8815_gpio_base[] = { + NOMADIK_GPIO0_BASE, + NOMADIK_GPIO1_BASE, + NOMADIK_GPIO2_BASE, + NOMADIK_GPIO3_BASE, }; -static struct resource cpu8815_gpio_resources[] = { - GPIO_RESOURCE(0), - GPIO_RESOURCE(1), - GPIO_RESOURCE(2), - GPIO_RESOURCE(3), -}; - -static struct platform_device cpu8815_platform_gpio[] = { - GPIO_DEVICE(0), - GPIO_DEVICE(1), - GPIO_DEVICE(2), - GPIO_DEVICE(3), -}; +static struct platform_device * +cpu8815_add_gpio(int id, resource_size_t addr, int irq, + struct nmk_gpio_platform_data *pdata) +{ + struct resource resources[] = { + { + .start = addr, + .end = addr + 127, + .flags = IORESOURCE_MEM, + }, + { + .start = irq, + .end = irq, + .flags = IORESOURCE_IRQ, + } + }; + + return platform_device_register_resndata(NULL, "gpio", id, + resources, ARRAY_SIZE(resources), + pdata, sizeof(*pdata)); +} -static AMBA_APB_DEVICE(cpu8815_amba_rng, "rng", 0, NOMADIK_RNG_BASE, { }, NULL); +void cpu8815_add_gpios(resource_size_t *base, int num, int irq, + struct nmk_gpio_platform_data *pdata) +{ + int first = 0; + int i; -static struct platform_device *platform_devs[] __initdata = { - cpu8815_platform_gpio + 0, - cpu8815_platform_gpio + 1, - cpu8815_platform_gpio + 2, - cpu8815_platform_gpio + 3, -}; + for (i = 0; i < num; i++, first += 32, irq++) { + pdata->first_gpio = first; + pdata->first_irq = NOMADIK_GPIO_TO_IRQ(first); + pdata->num_gpio = 32; -static struct amba_device *amba_devs[] __initdata = { - &cpu8815_amba_rng_device -}; + cpu8815_add_gpio(i, base[i], irq, pdata); + } +} static int __init cpu8815_init(void) { - int i; - - platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); - for (i = 0; i < ARRAY_SIZE(amba_devs); i++) - amba_device_register(amba_devs[i], &iomem_resource); + struct nmk_gpio_platform_data pdata = { + /* No custom data yet */ + }; + + cpu8815_add_gpios(cpu8815_gpio_base, ARRAY_SIZE(cpu8815_gpio_base), + IRQ_GPIO0, &pdata); + amba_apb_device_add(NULL, "rng", NOMADIK_RNG_BASE, SZ_4K, 0, 0, NULL, 0); + amba_apb_device_add(NULL, "rtc-pl031", NOMADIK_RTC_BASE, SZ_4K, IRQ_RTC_RTT, 0, NULL, 0); return 0; } arch_initcall(cpu8815_init); @@ -147,7 +123,7 @@ void __init cpu8815_init_irq(void) * Init clocks here so that they are available for system timer * initialization. */ - clk_init(); + nomadik_clk_init(); } /* |