| /* |
| * 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 <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/map.h> |
| |
| #include <plat/tc.h> |
| #include <plat/board.h> |
| #include <plat/mux.h> |
| #include <mach/gpio.h> |
| #include <plat/mmc.h> |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| #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 |
| |
| #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 |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| #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) { |
| 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) { |
| 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); |
| } |
| } |
| |
| 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 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; |
| break; |
| case 1: |
| if (!cpu_is_omap16xx()) |
| return; |
| base = OMAP1_MMC2_BASE; |
| irq = INT_1610_MMC2; |
| break; |
| default: |
| continue; |
| } |
| size = OMAP1_MMC_SIZE; |
| |
| omap_mmc_add("mmci-omap", i, base, size, irq, mmc_data[i]); |
| }; |
| } |
| |
| #endif |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| #if defined(CONFIG_OMAP_STI) |
| |
| #define OMAP1_STI_BASE 0xfffea000 |
| #define OMAP1_STI_CHANNEL_BASE (OMAP1_STI_BASE + 0x400) |
| |
| static struct resource sti_resources[] = { |
| { |
| .start = OMAP1_STI_BASE, |
| .end = OMAP1_STI_BASE + SZ_1K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = OMAP1_STI_CHANNEL_BASE, |
| .end = OMAP1_STI_CHANNEL_BASE + SZ_1K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = INT_1610_STI, |
| .flags = IORESOURCE_IRQ, |
| } |
| }; |
| |
| static struct platform_device sti_device = { |
| .name = "sti", |
| .id = -1, |
| .num_resources = ARRAY_SIZE(sti_resources), |
| .resource = sti_resources, |
| }; |
| |
| static inline void omap_init_sti(void) |
| { |
| platform_device_register(&sti_device); |
| } |
| #else |
| static inline void omap_init_sti(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 omap1_init_devices(void) |
| { |
| /* please keep these calls, and their implementations above, |
| * in alphabetical order so they're easier to sort through. |
| */ |
| |
| omap_init_mbox(); |
| omap_init_rtc(); |
| omap_init_sti(); |
| |
| return 0; |
| } |
| arch_initcall(omap1_init_devices); |
| |