diff options
Diffstat (limited to 'arch/arm/mach-omap2/devices.c')
| -rw-r--r-- | arch/arm/mach-omap2/devices.c | 307 |
1 files changed, 231 insertions, 76 deletions
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 03e6c9ed82a..5a0c148e23b 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -9,12 +9,12 @@ * (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/clk.h> +#include <linux/err.h> #include <mach/hardware.h> #include <mach/irqs.h> @@ -22,15 +22,17 @@ #include <asm/mach/map.h> #include <asm/pmu.h> -#include <plat/control.h> #include <plat/tc.h> #include <plat/board.h> -#include <plat/mux.h> +#include <plat/mcbsp.h> #include <mach/gpio.h> #include <plat/mmc.h> #include <plat/dma.h> +#include <plat/omap_hwmod.h> +#include <plat/omap_device.h> #include "mux.h" +#include "control.h" #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE) @@ -153,10 +155,12 @@ static struct resource omap2_mbox_resources[] = { { .start = INT_24XX_MAIL_U0_MPU, .flags = IORESOURCE_IRQ, + .name = "dsp", }, { .start = INT_24XX_MAIL_U3_MPU, .flags = IORESOURCE_IRQ, + .name = "iva", }, }; static int omap2_mbox_resources_sz = ARRAY_SIZE(omap2_mbox_resources); @@ -175,6 +179,7 @@ static struct resource omap3_mbox_resources[] = { { .start = INT_24XX_MAIL_U0_MPU, .flags = IORESOURCE_IRQ, + .name = "dsp", }, }; static int omap3_mbox_resources_sz = ARRAY_SIZE(omap3_mbox_resources); @@ -196,6 +201,7 @@ static struct resource omap4_mbox_resources[] = { { .start = OMAP44XX_IRQ_MAIL_U0, .flags = IORESOURCE_IRQ, + .name = "mbox", }, }; static int omap4_mbox_resources_sz = ARRAY_SIZE(omap4_mbox_resources); @@ -205,7 +211,7 @@ static int omap4_mbox_resources_sz = ARRAY_SIZE(omap4_mbox_resources); #endif static struct platform_device mbox_device = { - .name = "omap2-mailbox", + .name = "omap-mailbox", .id = -1, }; @@ -230,63 +236,43 @@ static inline void omap_init_mbox(void) static inline void omap_init_mbox(void) { } #endif /* CONFIG_OMAP_MBOX_FWK */ -#if defined(CONFIG_OMAP_STI) - -#if defined(CONFIG_ARCH_OMAP2) +static inline void omap_init_sti(void) {} -#define OMAP2_STI_BASE 0x48068000 -#define OMAP2_STI_CHANNEL_BASE 0x54000000 -#define OMAP2_STI_IRQ 4 +#if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE) -static struct resource sti_resources[] = { - { - .start = OMAP2_STI_BASE, - .end = OMAP2_STI_BASE + 0x7ff, - .flags = IORESOURCE_MEM, - }, - { - .start = OMAP2_STI_CHANNEL_BASE, - .end = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = OMAP2_STI_IRQ, - .flags = IORESOURCE_IRQ, - } +static struct platform_device omap_pcm = { + .name = "omap-pcm-audio", + .id = -1, }; -#elif defined(CONFIG_ARCH_OMAP3) -#define OMAP3_SDTI_BASE 0x54500000 -#define OMAP3_SDTI_CHANNEL_BASE 0x54600000 +/* + * OMAP2420 has 2 McBSP ports + * OMAP2430 has 5 McBSP ports + * OMAP3 has 5 McBSP ports + * OMAP4 has 4 McBSP ports + */ +OMAP_MCBSP_PLATFORM_DEVICE(1); +OMAP_MCBSP_PLATFORM_DEVICE(2); +OMAP_MCBSP_PLATFORM_DEVICE(3); +OMAP_MCBSP_PLATFORM_DEVICE(4); +OMAP_MCBSP_PLATFORM_DEVICE(5); -static struct resource sti_resources[] = { - { - .start = OMAP3_SDTI_BASE, - .end = OMAP3_SDTI_BASE + 0xFFF, - .flags = IORESOURCE_MEM, - }, - { - .start = OMAP3_SDTI_CHANNEL_BASE, - .end = OMAP3_SDTI_CHANNEL_BASE + SZ_1M - 1, - .flags = IORESOURCE_MEM, +static void omap_init_audio(void) +{ + platform_device_register(&omap_mcbsp1); + platform_device_register(&omap_mcbsp2); + if (cpu_is_omap243x() || cpu_is_omap34xx() || cpu_is_omap44xx()) { + platform_device_register(&omap_mcbsp3); + platform_device_register(&omap_mcbsp4); } -}; + if (cpu_is_omap243x() || cpu_is_omap34xx()) + platform_device_register(&omap_mcbsp5); -#endif - -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); + platform_device_register(&omap_pcm); } + #else -static inline void omap_init_sti(void) {} +static inline void omap_init_audio(void) {} #endif #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE) @@ -552,6 +538,76 @@ static void omap_init_sham(void) static inline void omap_init_sham(void) { } #endif +#if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE) + +#ifdef CONFIG_ARCH_OMAP2 +static struct resource omap2_aes_resources[] = { + { + .start = OMAP24XX_SEC_AES_BASE, + .end = OMAP24XX_SEC_AES_BASE + 0x4C, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP24XX_DMA_AES_TX, + .flags = IORESOURCE_DMA, + }, + { + .start = OMAP24XX_DMA_AES_RX, + .flags = IORESOURCE_DMA, + } +}; +static int omap2_aes_resources_sz = ARRAY_SIZE(omap2_aes_resources); +#else +#define omap2_aes_resources NULL +#define omap2_aes_resources_sz 0 +#endif + +#ifdef CONFIG_ARCH_OMAP3 +static struct resource omap3_aes_resources[] = { + { + .start = OMAP34XX_SEC_AES_BASE, + .end = OMAP34XX_SEC_AES_BASE + 0x4C, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP34XX_DMA_AES2_TX, + .flags = IORESOURCE_DMA, + }, + { + .start = OMAP34XX_DMA_AES2_RX, + .flags = IORESOURCE_DMA, + } +}; +static int omap3_aes_resources_sz = ARRAY_SIZE(omap3_aes_resources); +#else +#define omap3_aes_resources NULL +#define omap3_aes_resources_sz 0 +#endif + +static struct platform_device aes_device = { + .name = "omap-aes", + .id = -1, +}; + +static void omap_init_aes(void) +{ + if (cpu_is_omap24xx()) { + aes_device.resource = omap2_aes_resources; + aes_device.num_resources = omap2_aes_resources_sz; + } else if (cpu_is_omap34xx()) { + aes_device.resource = omap3_aes_resources; + aes_device.num_resources = omap3_aes_resources_sz; + } else { + pr_err("%s: platform not supported\n", __func__); + return; + } + platform_device_register(&aes_device); +} + +#else +static inline void omap_init_aes(void) { } +#endif + /*-------------------------------------------------------------------------*/ #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) @@ -672,19 +728,19 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller, OMAP_PIN_INPUT_PULLUP); if (cpu_is_omap2420() && controller_nr == 0) { - 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); - if (mmc_controller->slots[0].wires == 4) { - 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); + omap_mux_init_signal("sdmmc_cmd", 0); + omap_mux_init_signal("sdmmc_clki", 0); + omap_mux_init_signal("sdmmc_clko", 0); + omap_mux_init_signal("sdmmc_dat0", 0); + omap_mux_init_signal("sdmmc_dat_dir0", 0); + omap_mux_init_signal("sdmmc_cmd_dir", 0); + if (mmc_controller->slots[0].caps & MMC_CAP_4_BIT_DATA) { + omap_mux_init_signal("sdmmc_dat1", 0); + omap_mux_init_signal("sdmmc_dat2", 0); + omap_mux_init_signal("sdmmc_dat3", 0); + omap_mux_init_signal("sdmmc_dat_dir1", 0); + omap_mux_init_signal("sdmmc_dat_dir2", 0); + omap_mux_init_signal("sdmmc_dat_dir3", 0); } /* @@ -706,8 +762,8 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller, OMAP_PIN_INPUT_PULLUP); omap_mux_init_signal("sdmmc1_dat0", OMAP_PIN_INPUT_PULLUP); - if (mmc_controller->slots[0].wires == 4 || - mmc_controller->slots[0].wires == 8) { + if (mmc_controller->slots[0].caps & + (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) { omap_mux_init_signal("sdmmc1_dat1", OMAP_PIN_INPUT_PULLUP); omap_mux_init_signal("sdmmc1_dat2", @@ -715,7 +771,8 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller, omap_mux_init_signal("sdmmc1_dat3", OMAP_PIN_INPUT_PULLUP); } - if (mmc_controller->slots[0].wires == 8) { + if (mmc_controller->slots[0].caps & + MMC_CAP_8_BIT_DATA) { omap_mux_init_signal("sdmmc1_dat4", OMAP_PIN_INPUT_PULLUP); omap_mux_init_signal("sdmmc1_dat5", @@ -739,8 +796,8 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller, * For 8 wire configurations, Lines DAT4, 5, 6 and 7 need to be muxed * in the board-*.c files */ - if (mmc_controller->slots[0].wires == 4 || - mmc_controller->slots[0].wires == 8) { + if (mmc_controller->slots[0].caps & + (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) { omap_mux_init_signal("sdmmc2_dat1", OMAP_PIN_INPUT_PULLUP); omap_mux_init_signal("sdmmc2_dat2", @@ -748,7 +805,8 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller, omap_mux_init_signal("sdmmc2_dat3", OMAP_PIN_INPUT_PULLUP); } - if (mmc_controller->slots[0].wires == 8) { + if (mmc_controller->slots[0].caps & + MMC_CAP_8_BIT_DATA) { omap_mux_init_signal("sdmmc2_dat4.sdmmc2_dat4", OMAP_PIN_INPUT_PULLUP); omap_mux_init_signal("sdmmc2_dat5.sdmmc2_dat5", @@ -799,13 +857,13 @@ void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, case 3: if (!cpu_is_omap44xx()) return; - base = OMAP4_MMC4_BASE + OMAP4_MMC_REG_OFFSET; + base = OMAP4_MMC4_BASE; irq = OMAP44XX_IRQ_MMC4; break; case 4: if (!cpu_is_omap44xx()) return; - base = OMAP4_MMC5_BASE + OMAP4_MMC_REG_OFFSET; + base = OMAP4_MMC5_BASE; irq = OMAP44XX_IRQ_MMC5; break; default: @@ -816,10 +874,8 @@ void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, size = OMAP2420_MMC_SIZE; name = "mmci-omap"; } else if (cpu_is_omap44xx()) { - if (i < 3) { - base += OMAP4_MMC_REG_OFFSET; + if (i < 3) irq += OMAP44XX_IRQ_GIC_START; - } size = OMAP4_HSMMC_SIZE; name = "mmci-omap-hs"; } else { @@ -895,12 +951,74 @@ static inline void omap_init_vout(void) {} /*-------------------------------------------------------------------------*/ +/* + * Inorder to avoid any assumptions from bootloader regarding WDT + * settings, WDT module is reset during init. This enables the watchdog + * timer. Hence it is required to disable the watchdog after the WDT reset + * during init. Otherwise the system would reboot as per the default + * watchdog timer registers settings. + */ +#define OMAP_WDT_WPS (0x34) +#define OMAP_WDT_SPR (0x48) + +static int omap2_disable_wdt(struct omap_hwmod *oh, void *unused) +{ + void __iomem *base; + int ret; + + if (!oh) { + pr_err("%s: Could not look up wdtimer_hwmod\n", __func__); + return -EINVAL; + } + + base = omap_hwmod_get_mpu_rt_va(oh); + if (!base) { + pr_err("%s: Could not get the base address for %s\n", + oh->name, __func__); + return -EINVAL; + } + + /* Enable the clocks before accessing the WDT registers */ + ret = omap_hwmod_enable(oh); + if (ret) { + pr_err("%s: Could not enable clocks for %s\n", + oh->name, __func__); + return ret; + } + + /* sequence required to disable watchdog */ + __raw_writel(0xAAAA, base + OMAP_WDT_SPR); + while (__raw_readl(base + OMAP_WDT_WPS) & 0x10) + cpu_relax(); + + __raw_writel(0x5555, base + OMAP_WDT_SPR); + while (__raw_readl(base + OMAP_WDT_WPS) & 0x10) + cpu_relax(); + + ret = omap_hwmod_idle(oh); + if (ret) + pr_err("%s: Could not disable clocks for %s\n", + oh->name, __func__); + + return ret; +} + +static void __init omap_disable_wdt(void) +{ + if (cpu_class_is_omap2()) + omap_hwmod_for_each_by_class("wd_timer", + omap2_disable_wdt, NULL); + return; +} + static int __init omap2_init_devices(void) { /* please keep these calls, and their implementations above, * in alphabetical order so they're easier to sort through. */ + omap_disable_wdt(); omap_hsmmc_reset(); + omap_init_audio(); omap_init_camera(); omap_init_mbox(); omap_init_mcspi(); @@ -908,8 +1026,45 @@ static int __init omap2_init_devices(void) omap_hdq_init(); omap_init_sti(); omap_init_sham(); + omap_init_aes(); omap_init_vout(); return 0; } arch_initcall(omap2_init_devices); + +#if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) +struct omap_device_pm_latency omap_wdt_latency[] = { + [0] = { + .deactivate_func = omap_device_idle_hwmods, + .activate_func = omap_device_enable_hwmods, + .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, + }, +}; + +static int __init omap_init_wdt(void) +{ + int id = -1; + struct omap_device *od; + struct omap_hwmod *oh; + char *oh_name = "wd_timer2"; + char *dev_name = "omap_wdt"; + + if (!cpu_class_is_omap2()) + return 0; + + oh = omap_hwmod_lookup(oh_name); + if (!oh) { + pr_err("Could not look up wd_timer%d hwmod\n", id); + return -EINVAL; + } + + od = omap_device_build(dev_name, id, oh, NULL, 0, + omap_wdt_latency, + ARRAY_SIZE(omap_wdt_latency), 0); + WARN(IS_ERR(od), "Cant build omap_device for %s:%s.\n", + dev_name, oh->name); + return 0; +} +subsys_initcall(omap_init_wdt); +#endif |