diff options
Diffstat (limited to 'arch/arm/plat-omap/devices.c')
| -rw-r--r-- | arch/arm/plat-omap/devices.c | 336 |
1 files changed, 0 insertions, 336 deletions
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c deleted file mode 100644 index fc819120978..00000000000 --- a/arch/arm/plat-omap/devices.c +++ /dev/null @@ -1,336 +0,0 @@ -/* - * linux/arch/arm/plat-omap/devices.c - * - * Common platform device setup/initialization for OMAP1 and OMAP2 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/io.h> -#include <linux/slab.h> -#include <linux/memblock.h> - -#include <mach/hardware.h> -#include <asm/mach-types.h> -#include <asm/mach/map.h> - -#include <plat/tc.h> -#include <plat/board.h> -#include <plat/mmc.h> -#include <mach/gpio.h> -#include <plat/menelaus.h> -#include <plat/mcbsp.h> -#include <plat/omap44xx.h> - -/*-------------------------------------------------------------------------*/ - -#if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE) - -static struct platform_device **omap_mcbsp_devices; - -void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, - int size) -{ - int i; - - omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *), - GFP_KERNEL); - if (!omap_mcbsp_devices) { - printk(KERN_ERR "Could not register McBSP devices\n"); - return; - } - - for (i = 0; i < size; i++) { - struct platform_device *new_mcbsp; - int ret; - - new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1); - if (!new_mcbsp) - continue; - new_mcbsp->dev.platform_data = &config[i]; - ret = platform_device_add(new_mcbsp); - if (ret) { - platform_device_put(new_mcbsp); - continue; - } - omap_mcbsp_devices[i] = new_mcbsp; - } -} - -#else -void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, - int size) -{ } -#endif - -/*-------------------------------------------------------------------------*/ - -#if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \ - defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE) - -static struct resource mcpdm_resources[] = { - { - .name = "mcpdm_mem", - .start = OMAP44XX_MCPDM_BASE, - .end = OMAP44XX_MCPDM_BASE + SZ_4K, - .flags = IORESOURCE_MEM, - }, - { - .name = "mcpdm_irq", - .start = OMAP44XX_IRQ_MCPDM, - .end = OMAP44XX_IRQ_MCPDM, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device omap_mcpdm_device = { - .name = "omap-mcpdm", - .id = -1, - .num_resources = ARRAY_SIZE(mcpdm_resources), - .resource = mcpdm_resources, -}; - -static void omap_init_mcpdm(void) -{ - (void) platform_device_register(&omap_mcpdm_device); -} -#else -static inline void omap_init_mcpdm(void) {} -#endif - -/*-------------------------------------------------------------------------*/ - -#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \ - defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) - -#define OMAP_MMC_NR_RES 2 - -/* - * Register MMC devices. Called from mach-omap1 and mach-omap2 device init. - */ -int __init omap_mmc_add(const char *name, int id, unsigned long base, - unsigned long size, unsigned int irq, - 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; - - 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; -} - -#endif - -/*-------------------------------------------------------------------------*/ - -#if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE) - -#ifdef CONFIG_ARCH_OMAP2 -#define OMAP_RNG_BASE 0x480A0000 -#else -#define OMAP_RNG_BASE 0xfffe5000 -#endif - -static struct resource rng_resources[] = { - { - .start = OMAP_RNG_BASE, - .end = OMAP_RNG_BASE + 0x4f, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device omap_rng_device = { - .name = "omap_rng", - .id = -1, - .num_resources = ARRAY_SIZE(rng_resources), - .resource = rng_resources, -}; - -static void omap_init_rng(void) -{ - (void) platform_device_register(&omap_rng_device); -} -#else -static inline void omap_init_rng(void) {} -#endif - -/*-------------------------------------------------------------------------*/ - -/* 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 OMAP_UWIRE_BASE 0xfffb3000 - -static struct resource uwire_resources[] = { - { - .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 - -/*-------------------------------------------------------------------------*/ - -#if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) - -static struct resource wdt_resources[] = { - { - .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 void omap_init_wdt(void) -{ - if (cpu_is_omap16xx()) - wdt_resources[0].start = 0xfffeb000; - else if (cpu_is_omap2420()) - wdt_resources[0].start = 0x48022000; /* WDT2 */ - else if (cpu_is_omap2430()) - wdt_resources[0].start = 0x49016000; /* WDT2 */ - else if (cpu_is_omap343x()) - wdt_resources[0].start = 0x48314000; /* WDT2 */ - else if (cpu_is_omap44xx()) - wdt_resources[0].start = 0x4a314000; - else - return; - - wdt_resources[0].end = wdt_resources[0].start + 0x4f; - - (void) platform_device_register(&omap_wdt_device); -} -#else -static inline void omap_init_wdt(void) {} -#endif - -#if defined(CONFIG_TIDSPBRIDGE) || defined(CONFIG_TIDSPBRIDGE_MODULE) - -static phys_addr_t omap_dsp_phys_mempool_base; - -void __init omap_dsp_reserve_sdram_memblock(void) -{ - phys_addr_t size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE; - phys_addr_t paddr; - - if (!size) - return; - - paddr = memblock_alloc(size, SZ_1M); - if (!paddr) { - pr_err("%s: failed to reserve %x bytes\n", - __func__, size); - return; - } - memblock_free(paddr, size); - memblock_remove(paddr, size); - - omap_dsp_phys_mempool_base = paddr; -} - -phys_addr_t omap_dsp_get_mempool_base(void) -{ - return omap_dsp_phys_mempool_base; -} -EXPORT_SYMBOL(omap_dsp_get_mempool_base); -#endif - -/* - * This gets called after board-specific INIT_MACHINE, and initializes most - * on-chip peripherals accessible on this board (except for few like USB): - * - * (a) Does any "standard config" pin muxing needed. Board-specific - * code will have muxed GPIO pins and done "nonstandard" setup; - * that code could live in the boot loader. - * (b) Populating board-specific platform_data with the data drivers - * rely on to handle wiring variations. - * (c) Creating platform devices as meaningful on this board and - * with this kernel configuration. - * - * 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 - * 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 omap_init_devices(void) -{ - /* please keep these calls, and their implementations above, - * in alphabetical order so they're easier to sort through. - */ - omap_init_rng(); - omap_init_mcpdm(); - omap_init_uwire(); - return 0; -} -arch_initcall(omap_init_devices); |
