diff options
Diffstat (limited to 'arch/arm/mach-omap1/devices.c')
| -rw-r--r-- | arch/arm/mach-omap1/devices.c | 343 |
1 files changed, 275 insertions, 68 deletions
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c index 23ded2d4960..325e6030095 100644 --- a/arch/arm/mach-omap1/devices.c +++ b/arch/arm/mach-omap1/devices.c @@ -9,20 +9,45 @@ * (at your option) any later version. */ +#include <linux/dma-mapping.h> +#include <linux/gpio.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/io.h> +#include <linux/spi/spi.h> + +#include <linux/platform_data/omap-wd-timer.h> -#include <mach/hardware.h> #include <asm/mach/map.h> -#include <plat/tc.h> -#include <plat/board.h> -#include <plat/mux.h> -#include <mach/gpio.h> -#include <plat/mmc.h> +#include <mach/tc.h> +#include <mach/mux.h> + +#include <mach/omap7xx.h> +#include <mach/camera.h> +#include <mach/hardware.h> + +#include "common.h" +#include "clock.h" +#include "mmc.h" +#include "sram.h" + +#if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE) + +static struct platform_device omap_pcm = { + .name = "omap-pcm-audio", + .id = -1, +}; + +static void omap_init_audio(void) +{ + platform_device_register(&omap_pcm); +} + +#else +static inline void omap_init_audio(void) {} +#endif /*-------------------------------------------------------------------------*/ @@ -61,44 +86,7 @@ static void omap_init_rtc(void) static inline void omap_init_rtc(void) {} #endif -#if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE) - -#if defined(CONFIG_ARCH_OMAP15XX) -# define OMAP1_MBOX_SIZE 0x23 -# define INT_DSP_MAILBOX1 INT_1510_DSP_MAILBOX1 -#elif defined(CONFIG_ARCH_OMAP16XX) -# define OMAP1_MBOX_SIZE 0x2f -# define INT_DSP_MAILBOX1 INT_1610_DSP_MAILBOX1 -#endif - -#define OMAP1_MBOX_BASE OMAP1_IO_ADDRESS(OMAP16XX_MAILBOX_BASE) - -static struct resource mbox_resources[] = { - { - .start = OMAP1_MBOX_BASE, - .end = OMAP1_MBOX_BASE + OMAP1_MBOX_SIZE, - .flags = IORESOURCE_MEM, - }, - { - .start = INT_DSP_MAILBOX1, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device mbox_device = { - .name = "omap1-mailbox", - .id = -1, - .num_resources = ARRAY_SIZE(mbox_resources), - .resource = mbox_resources, -}; - -static inline void omap_init_mbox(void) -{ - platform_device_register(&mbox_device); -} -#else static inline void omap_init_mbox(void) { } -#endif /*-------------------------------------------------------------------------*/ @@ -158,6 +146,63 @@ static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller, } } +#define OMAP_MMC_NR_RES 4 + +/* + * Register MMC devices. + */ +static int __init omap_mmc_add(const char *name, int id, unsigned long base, + unsigned long size, unsigned int irq, + unsigned rx_req, unsigned tx_req, + struct omap_mmc_platform_data *data) +{ + struct platform_device *pdev; + struct resource res[OMAP_MMC_NR_RES]; + int ret; + + pdev = platform_device_alloc(name, id); + if (!pdev) + return -ENOMEM; + + memset(res, 0, OMAP_MMC_NR_RES * sizeof(struct resource)); + res[0].start = base; + res[0].end = base + size - 1; + res[0].flags = IORESOURCE_MEM; + res[1].start = res[1].end = irq; + res[1].flags = IORESOURCE_IRQ; + res[2].start = rx_req; + res[2].name = "rx"; + res[2].flags = IORESOURCE_DMA; + res[3].start = tx_req; + res[3].name = "tx"; + res[3].flags = IORESOURCE_DMA; + + if (cpu_is_omap7xx()) + data->slots[0].features = MMC_OMAP7XX; + if (cpu_is_omap15xx()) + data->slots[0].features = MMC_OMAP15XX; + if (cpu_is_omap16xx()) + data->slots[0].features = MMC_OMAP16XX; + + ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res)); + if (ret == 0) + ret = platform_device_add_data(pdev, data, sizeof(*data)); + if (ret) + goto fail; + + ret = platform_device_add(pdev); + if (ret) + goto fail; + + /* return device handle to board setup code */ + data->dev = &pdev->dev; + return 0; + +fail: + platform_device_put(pdev); + return ret; +} + void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data, int nr_controllers) { @@ -165,6 +210,7 @@ void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data, for (i = 0; i < nr_controllers; i++) { unsigned long base, size; + unsigned rx_req, tx_req; unsigned int irq = 0; if (!mmc_data[i]) @@ -176,62 +222,174 @@ void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data, case 0: base = OMAP1_MMC1_BASE; irq = INT_MMC; + rx_req = 22; + tx_req = 21; break; case 1: if (!cpu_is_omap16xx()) return; base = OMAP1_MMC2_BASE; irq = INT_1610_MMC2; + rx_req = 55; + tx_req = 54; break; default: continue; } size = OMAP1_MMC_SIZE; - omap_mmc_add("mmci-omap", i, base, size, irq, mmc_data[i]); - }; + omap_mmc_add("mmci-omap", i, base, size, irq, + rx_req, tx_req, mmc_data[i]); + } } #endif /*-------------------------------------------------------------------------*/ -#if defined(CONFIG_OMAP_STI) +/* OMAP7xx SPI support */ +#if defined(CONFIG_SPI_OMAP_100K) || defined(CONFIG_SPI_OMAP_100K_MODULE) + +struct platform_device omap_spi1 = { + .name = "omap1_spi100k", + .id = 1, +}; + +struct platform_device omap_spi2 = { + .name = "omap1_spi100k", + .id = 2, +}; + +static void omap_init_spi100k(void) +{ + omap_spi1.dev.platform_data = ioremap(OMAP7XX_SPI1_BASE, 0x7ff); + if (omap_spi1.dev.platform_data) + platform_device_register(&omap_spi1); + + omap_spi2.dev.platform_data = ioremap(OMAP7XX_SPI2_BASE, 0x7ff); + if (omap_spi2.dev.platform_data) + platform_device_register(&omap_spi2); +} + +#else +static inline void omap_init_spi100k(void) +{ +} +#endif + + +#define OMAP1_CAMERA_BASE 0xfffb6800 +#define OMAP1_CAMERA_IOSIZE 0x1c + +static struct resource omap1_camera_resources[] = { + [0] = { + .start = OMAP1_CAMERA_BASE, + .end = OMAP1_CAMERA_BASE + OMAP1_CAMERA_IOSIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = INT_CAMERA, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 omap1_camera_dma_mask = DMA_BIT_MASK(32); + +static struct platform_device omap1_camera_device = { + .name = "omap1-camera", + .id = 0, /* This is used to put cameras on this interface */ + .dev = { + .dma_mask = &omap1_camera_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = ARRAY_SIZE(omap1_camera_resources), + .resource = omap1_camera_resources, +}; + +void __init omap1_camera_init(void *info) +{ + struct platform_device *dev = &omap1_camera_device; + int ret; + + dev->dev.platform_data = info; + + ret = platform_device_register(dev); + if (ret) + dev_err(&dev->dev, "unable to register device: %d\n", ret); +} + + +/*-------------------------------------------------------------------------*/ + +static inline void omap_init_sti(void) {} + +/* Numbering for the SPI-capable controllers when used for SPI: + * spi = 1 + * uwire = 2 + * mmc1..2 = 3..4 + * mcbsp1..3 = 5..7 + */ + +#if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE) -#define OMAP1_STI_BASE 0xfffea000 -#define OMAP1_STI_CHANNEL_BASE (OMAP1_STI_BASE + 0x400) +#define OMAP_UWIRE_BASE 0xfffb3000 -static struct resource sti_resources[] = { +static struct resource uwire_resources[] = { { - .start = OMAP1_STI_BASE, - .end = OMAP1_STI_BASE + SZ_1K - 1, + .start = OMAP_UWIRE_BASE, + .end = OMAP_UWIRE_BASE + 0x20, .flags = IORESOURCE_MEM, }, +}; + +static struct platform_device omap_uwire_device = { + .name = "omap_uwire", + .id = -1, + .num_resources = ARRAY_SIZE(uwire_resources), + .resource = uwire_resources, +}; + +static void omap_init_uwire(void) +{ + /* FIXME define and use a boot tag; not all boards will be hooking + * up devices to the microwire controller, and multi-board configs + * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway... + */ + + /* board-specific code must configure chipselects (only a few + * are normally used) and SCLK/SDI/SDO (each has two choices). + */ + (void) platform_device_register(&omap_uwire_device); +} +#else +static inline void omap_init_uwire(void) {} +#endif + + +#define OMAP1_RNG_BASE 0xfffe5000 + +static struct resource omap1_rng_resources[] = { { - .start = OMAP1_STI_CHANNEL_BASE, - .end = OMAP1_STI_CHANNEL_BASE + SZ_1K - 1, + .start = OMAP1_RNG_BASE, + .end = OMAP1_RNG_BASE + 0x4f, .flags = IORESOURCE_MEM, }, - { - .start = INT_1610_STI, - .flags = IORESOURCE_IRQ, - } }; -static struct platform_device sti_device = { - .name = "sti", +static struct platform_device omap1_rng_device = { + .name = "omap_rng", .id = -1, - .num_resources = ARRAY_SIZE(sti_resources), - .resource = sti_resources, + .num_resources = ARRAY_SIZE(omap1_rng_resources), + .resource = omap1_rng_resources, }; -static inline void omap_init_sti(void) +static void omap1_init_rng(void) { - platform_device_register(&sti_device); + if (!cpu_is_omap16xx()) + return; + + (void) platform_device_register(&omap1_rng_device); } -#else -static inline void omap_init_sti(void) {} -#endif /*-------------------------------------------------------------------------*/ @@ -250,22 +408,71 @@ static inline void omap_init_sti(void) {} * Claiming GPIOs, and setting their direction and initial values, is the * responsibility of the device drivers. So is responding to probe(). * - * Board-specific knowlege like creating devices or pin setup is to be + * Board-specific knowledge like creating devices or pin setup is to be * kept out of drivers as much as possible. In particular, pin setup * may be handled by the boot loader, and drivers should expect it will * normally have been done by the time they're probed. */ static int __init omap1_init_devices(void) { + if (!cpu_class_is_omap1()) + return -ENODEV; + + omap_sram_init(); + omap1_clk_late_init(); + /* please keep these calls, and their implementations above, * in alphabetical order so they're easier to sort through. */ + omap_init_audio(); omap_init_mbox(); omap_init_rtc(); + omap_init_spi100k(); omap_init_sti(); + omap_init_uwire(); + omap1_init_rng(); return 0; } arch_initcall(omap1_init_devices); +#if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) + +static struct resource wdt_resources[] = { + { + .start = 0xfffeb000, + .end = 0xfffeb07F, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device omap_wdt_device = { + .name = "omap_wdt", + .id = -1, + .num_resources = ARRAY_SIZE(wdt_resources), + .resource = wdt_resources, +}; + +static int __init omap_init_wdt(void) +{ + struct omap_wd_timer_platform_data pdata; + int ret; + + if (!cpu_is_omap16xx()) + return -ENODEV; + + pdata.read_reset_sources = omap1_get_reset_sources; + + ret = platform_device_register(&omap_wdt_device); + if (!ret) { + ret = platform_device_add_data(&omap_wdt_device, &pdata, + sizeof(pdata)); + if (ret) + platform_device_del(&omap_wdt_device); + } + + return ret; +} +subsys_initcall(omap_init_wdt); +#endif |