/* * linux/arch/arm/mach-omap1/devices.c * * OMAP1 platform device setup/initialization * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include "common.h" #include "clock.h" #include "dma.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 /*-------------------------------------------------------------------------*/ #if defined(CONFIG_RTC_DRV_OMAP) || defined(CONFIG_RTC_DRV_OMAP_MODULE) #define OMAP_RTC_BASE 0xfffb4800 static struct resource rtc_resources[] = { { .start = OMAP_RTC_BASE, .end = OMAP_RTC_BASE + 0x5f, .flags = IORESOURCE_MEM, }, { .start = INT_RTC_TIMER, .flags = IORESOURCE_IRQ, }, { .start = INT_RTC_ALARM, .flags = IORESOURCE_IRQ, }, }; static struct platform_device omap_rtc_device = { .name = "omap_rtc", .id = -1, .num_resources = ARRAY_SIZE(rtc_resources), .resource = rtc_resources, }; static void omap_init_rtc(void) { (void) platform_device_register(&omap_rtc_device); } #else static inline void omap_init_rtc(void) {} #endif static inline void omap_init_mbox(void) { } /*-------------------------------------------------------------------------*/ #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller, int controller_nr) { if (controller_nr == 0) { if (cpu_is_omap7xx()) { omap_cfg_reg(MMC_7XX_CMD); omap_cfg_reg(MMC_7XX_CLK); omap_cfg_reg(MMC_7XX_DAT0); } 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_controller->slots[0].wires == 4 && !cpu_is_omap7xx()) { omap_cfg_reg(MMC_DAT1); /* NOTE: DAT2 can be on W10 (here) or M15 */ if (!mmc_controller->slots[0].nomux) omap_cfg_reg(MMC_DAT2); omap_cfg_reg(MMC_DAT3); } } /* Block 2 is on newer chips, and has many pinout options */ if (cpu_is_omap16xx() && controller_nr == 1) { if (!mmc_controller->slots[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_controller->slots[1].wires == 4) { 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); } } #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) { int i; for (i = 0; i < nr_controllers; i++) { unsigned long base, size; unsigned rx_req, tx_req; unsigned int irq = 0; if (!mmc_data[i]) continue; omap1_mmc_mux(mmc_data[i], i); switch (i) { case 0: base = OMAP1_MMC1_BASE; irq = INT_MMC; rx_req = OMAP_DMA_MMC_RX; tx_req = OMAP_DMA_MMC_TX; break; case 1: if (!cpu_is_omap16xx()) return; base = OMAP1_MMC2_BASE; irq = INT_1610_MMC2; rx_req = OMAP_DMA_MMC2_RX; tx_req = OMAP_DMA_MMC2_TX; break; default: continue; } size = OMAP1_MMC_SIZE; omap_mmc_add("mmci-omap", i, base, size, irq, rx_req, tx_req, mmc_data[i]); } } #endif /*-------------------------------------------------------------------------*/ /* 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