| /* |
| * 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 <mach/hardware.h> |
| #include <asm/mach-types.h> |
| #include <asm/mach/map.h> |
| |
| #include <mach/tc.h> |
| #include <mach/control.h> |
| #include <mach/board.h> |
| #include <mach/mmc.h> |
| #include <mach/mux.h> |
| #include <mach/gpio.h> |
| #include <mach/menelaus.h> |
| #include <mach/mcbsp.h> |
| #include <mach/dsp_common.h> |
| |
| #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE) |
| |
| static struct dsp_platform_data dsp_pdata = { |
| .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list), |
| }; |
| |
| static struct resource omap_dsp_resources[] = { |
| { |
| .name = "dsp_mmu", |
| .start = -1, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device omap_dsp_device = { |
| .name = "dsp", |
| .id = -1, |
| .num_resources = ARRAY_SIZE(omap_dsp_resources), |
| .resource = omap_dsp_resources, |
| .dev = { |
| .platform_data = &dsp_pdata, |
| }, |
| }; |
| |
| static inline void omap_init_dsp(void) |
| { |
| struct resource *res; |
| int irq; |
| |
| if (cpu_is_omap15xx()) |
| irq = INT_1510_DSP_MMU; |
| else if (cpu_is_omap16xx()) |
| irq = INT_1610_DSP_MMU; |
| else if (cpu_is_omap24xx()) |
| irq = INT_24XX_DSP_MMU; |
| |
| res = platform_get_resource_byname(&omap_dsp_device, |
| IORESOURCE_IRQ, "dsp_mmu"); |
| res->start = irq; |
| |
| platform_device_register(&omap_dsp_device); |
| } |
| |
| int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev) |
| { |
| static DEFINE_MUTEX(dsp_pdata_lock); |
| |
| spin_lock_init(&kdev->lock); |
| |
| mutex_lock(&dsp_pdata_lock); |
| list_add_tail(&kdev->entry, &dsp_pdata.kdev_list); |
| mutex_unlock(&dsp_pdata_lock); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL(dsp_kfunc_device_register); |
| |
| #else |
| static inline void omap_init_dsp(void) { } |
| #endif /* CONFIG_OMAP_DSP */ |
| |
| /*-------------------------------------------------------------------------*/ |
| #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE) |
| |
| static void omap_init_kp(void) |
| { |
| /* 2430 and 34xx keypad is on TWL4030 */ |
| if (cpu_is_omap2430() || cpu_is_omap34xx()) |
| return; |
| |
| if (machine_is_omap_h2() || machine_is_omap_h3()) { |
| omap_cfg_reg(F18_1610_KBC0); |
| omap_cfg_reg(D20_1610_KBC1); |
| omap_cfg_reg(D19_1610_KBC2); |
| omap_cfg_reg(E18_1610_KBC3); |
| omap_cfg_reg(C21_1610_KBC4); |
| |
| omap_cfg_reg(G18_1610_KBR0); |
| omap_cfg_reg(F19_1610_KBR1); |
| omap_cfg_reg(H14_1610_KBR2); |
| omap_cfg_reg(E20_1610_KBR3); |
| omap_cfg_reg(E19_1610_KBR4); |
| omap_cfg_reg(N19_1610_KBR5); |
| } else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) { |
| omap_cfg_reg(E2_7XX_KBR0); |
| omap_cfg_reg(J7_7XX_KBR1); |
| omap_cfg_reg(E1_7XX_KBR2); |
| omap_cfg_reg(F3_7XX_KBR3); |
| omap_cfg_reg(D2_7XX_KBR4); |
| |
| omap_cfg_reg(C2_7XX_KBC0); |
| omap_cfg_reg(D3_7XX_KBC1); |
| omap_cfg_reg(E4_7XX_KBC2); |
| omap_cfg_reg(F4_7XX_KBC3); |
| omap_cfg_reg(E3_7XX_KBC4); |
| } else if (machine_is_omap_h4()) { |
| omap_cfg_reg(T19_24XX_KBR0); |
| omap_cfg_reg(R19_24XX_KBR1); |
| omap_cfg_reg(V18_24XX_KBR2); |
| omap_cfg_reg(M21_24XX_KBR3); |
| omap_cfg_reg(E5__24XX_KBR4); |
| if (omap_has_menelaus()) { |
| omap_cfg_reg(B3__24XX_KBR5); |
| omap_cfg_reg(AA4_24XX_KBC2); |
| omap_cfg_reg(B13_24XX_KBC6); |
| } else { |
| omap_cfg_reg(M18_24XX_KBR5); |
| omap_cfg_reg(H19_24XX_KBC2); |
| omap_cfg_reg(N19_24XX_KBC6); |
| } |
| omap_cfg_reg(R20_24XX_KBC0); |
| omap_cfg_reg(M14_24XX_KBC1); |
| omap_cfg_reg(V17_24XX_KBC3); |
| omap_cfg_reg(P21_24XX_KBC4); |
| omap_cfg_reg(L14_24XX_KBC5); |
| } |
| } |
| #else |
| static inline void omap_init_kp(void) {} |
| #endif |
| |
| /*-------------------------------------------------------------------------*/ |
| #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_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 |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| /* 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_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE) |
| |
| #ifdef CONFIG_ARCH_OMAP24XX |
| #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 |
| |
| /* |
| * 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_dsp(); |
| omap_init_kp(); |
| omap_init_uwire(); |
| omap_init_wdt(); |
| omap_init_rng(); |
| return 0; |
| } |
| arch_initcall(omap_init_devices); |