/* * 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_730_KBR0); omap_cfg_reg(J7_730_KBR1); omap_cfg_reg(E1_730_KBR2); omap_cfg_reg(F3_730_KBR3); omap_cfg_reg(D2_730_KBR4); omap_cfg_reg(C2_730_KBC0); omap_cfg_reg(D3_730_KBC1); omap_cfg_reg(E4_730_KBC2); omap_cfg_reg(F4_730_KBC3); omap_cfg_reg(E3_730_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) #if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) #define OMAP_MMC1_BASE 0x4809c000 #define OMAP_MMC1_END (OMAP_MMC1_BASE + 0x1fc) #define OMAP_MMC1_INT INT_24XX_MMC_IRQ #define OMAP_MMC2_BASE 0x480b4000 #define OMAP_MMC2_END (OMAP_MMC2_BASE + 0x1fc) #define OMAP_MMC2_INT INT_24XX_MMC2_IRQ #else #define OMAP_MMC1_BASE 0xfffb7800 #define OMAP_MMC1_END (OMAP_MMC1_BASE + 0x7f) #define OMAP_MMC1_INT INT_MMC #define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */ #define OMAP_MMC2_END (OMAP_MMC2_BASE + 0x7f) #define OMAP_MMC2_INT INT_1610_MMC2 #endif static struct omap_mmc_platform_data mmc1_data; static u64 mmc1_dmamask = 0xffffffff; static struct resource mmc1_resources[] = { { .start = OMAP_MMC1_BASE, .end = OMAP_MMC1_END, .flags = IORESOURCE_MEM, }, { .start = OMAP_MMC1_INT, .flags = IORESOURCE_IRQ, }, }; static struct platform_device mmc_omap_device1 = { .name = "mmci-omap", .id = 1, .dev = { .dma_mask = &mmc1_dmamask, .platform_data = &mmc1_data, }, .num_resources = ARRAY_SIZE(mmc1_resources), .resource = mmc1_resources, }; #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \ defined(CONFIG_ARCH_OMAP34XX) static struct omap_mmc_platform_data mmc2_data; static u64 mmc2_dmamask = 0xffffffff; static struct resource mmc2_resources[] = { { .start = OMAP_MMC2_BASE, .end = OMAP_MMC2_END, .flags = IORESOURCE_MEM, }, { .start = OMAP_MMC2_INT, .flags = IORESOURCE_IRQ, }, }; static struct platform_device mmc_omap_device2 = { .name = "mmci-omap", .id = 2, .dev = { .dma_mask = &mmc2_dmamask, .platform_data = &mmc2_data, }, .num_resources = ARRAY_SIZE(mmc2_resources), .resource = mmc2_resources, }; #endif static inline void omap_init_mmc_conf(const struct omap_mmc_config *mmc_conf) { if (cpu_is_omap2430() || cpu_is_omap34xx()) return; if (mmc_conf->mmc[0].enabled) { if (cpu_is_omap24xx()) { omap_cfg_reg(H18_24XX_MMC_CMD); omap_cfg_reg(H15_24XX_MMC_CLKI); omap_cfg_reg(G19_24XX_MMC_CLKO); omap_cfg_reg(F20_24XX_MMC_DAT0); omap_cfg_reg(F19_24XX_MMC_DAT_DIR0); omap_cfg_reg(G18_24XX_MMC_CMD_DIR); } else { omap_cfg_reg(MMC_CMD); omap_cfg_reg(MMC_CLK); omap_cfg_reg(MMC_DAT0); if (cpu_is_omap1710()) { omap_cfg_reg(M15_1710_MMC_CLKI); omap_cfg_reg(P19_1710_MMC_CMDDIR); omap_cfg_reg(P20_1710_MMC_DATDIR0); } } if (mmc_conf->mmc[0].wire4) { if (cpu_is_omap24xx()) { omap_cfg_reg(H14_24XX_MMC_DAT1); omap_cfg_reg(E19_24XX_MMC_DAT2); omap_cfg_reg(D19_24XX_MMC_DAT3); omap_cfg_reg(E20_24XX_MMC_DAT_DIR1); omap_cfg_reg(F18_24XX_MMC_DAT_DIR2); omap_cfg_reg(E18_24XX_MMC_DAT_DIR3); } else { omap_cfg_reg(MMC_DAT1); /* NOTE: DAT2 can be on W10 (here) or M15 */ if (!mmc_conf->mmc[0].nomux) omap_cfg_reg(MMC_DAT2); omap_cfg_reg(MMC_DAT3); } } } #ifdef CONFIG_ARCH_OMAP16XX /* block 2 is on newer chips, and has many pinout options */ if (mmc_conf->mmc[1].enabled) { if (!mmc_conf->mmc[1].nomux) { omap_cfg_reg(Y8_1610_MMC2_CMD); omap_cfg_reg(Y10_1610_MMC2_CLK); omap_cfg_reg(R18_1610_MMC2_CLKIN); omap_cfg_reg(W8_1610_MMC2_DAT0); if (mmc_conf->mmc[1].wire4) { omap_cfg_reg(V8_1610_MMC2_DAT1); omap_cfg_reg(W15_1610_MMC2_DAT2); omap_cfg_reg(R10_1610_MMC2_DAT3); } /* These are needed for the level shifter */ omap_cfg_reg(V9_1610_MMC2_CMDDIR); omap_cfg_reg(V5_1610_MMC2_DATDIR0); omap_cfg_reg(W19_1610_MMC2_DATDIR1); } /* Feedback clock must be set on OMAP-1710 MMC2 */ if (cpu_is_omap1710()) omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24), MOD_CONF_CTRL_1); } #endif } static void __init omap_init_mmc(void) { const struct omap_mmc_config *mmc_conf; /* NOTE: assumes MMC was never (wrongly) enabled */ mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config); if (!mmc_conf) return; omap_init_mmc_conf(mmc_conf); if (mmc_conf->mmc[0].enabled) { mmc1_data.conf = mmc_conf->mmc[0]; (void) platform_device_register(&mmc_omap_device1); } #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \ defined(CONFIG_ARCH_OMAP34XX) if (mmc_conf->mmc[1].enabled) { mmc2_data.conf = mmc_conf->mmc[1]; (void) platform_device_register(&mmc_omap_device2); } #endif } void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info) { switch (host) { case 1: mmc1_data = *info; break; #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \ defined(CONFIG_ARCH_OMAP34XX) case 2: mmc2_data = *info; break; #endif default: BUG(); } } #else static inline void omap_init_mmc(void) {} void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info) {} #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 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_mmc(); omap_init_uwire(); omap_init_wdt(); omap_init_rng(); return 0; } arch_initcall(omap_init_devices);