diff options
Diffstat (limited to 'arch/arm/mach-omap2/devices.c')
| -rw-r--r-- | arch/arm/mach-omap2/devices.c | 391 |
1 files changed, 49 insertions, 342 deletions
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 9ee876fd367..2cb720b5b12 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -184,95 +184,29 @@ int __init omap4_keyboard_init(struct omap4_keypad_platform_data } #if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE) - -#define MBOX_REG_SIZE 0x120 - -#ifdef CONFIG_ARCH_OMAP2 -static struct resource omap2_mbox_resources[] = { - { - .start = OMAP24XX_MAILBOX_BASE, - .end = OMAP24XX_MAILBOX_BASE + MBOX_REG_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - { - .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); -#else -#define omap2_mbox_resources NULL -#define omap2_mbox_resources_sz 0 -#endif - -#ifdef CONFIG_ARCH_OMAP3 -static struct resource omap3_mbox_resources[] = { - { - .start = OMAP34XX_MAILBOX_BASE, - .end = OMAP34XX_MAILBOX_BASE + MBOX_REG_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = INT_24XX_MAIL_U0_MPU, - .flags = IORESOURCE_IRQ, - .name = "dsp", - }, -}; -static int omap3_mbox_resources_sz = ARRAY_SIZE(omap3_mbox_resources); -#else -#define omap3_mbox_resources NULL -#define omap3_mbox_resources_sz 0 -#endif - -#ifdef CONFIG_ARCH_OMAP4 - -#define OMAP4_MBOX_REG_SIZE 0x130 -static struct resource omap4_mbox_resources[] = { - { - .start = OMAP44XX_MAILBOX_BASE, - .end = OMAP44XX_MAILBOX_BASE + - OMAP4_MBOX_REG_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = OMAP44XX_IRQ_MAIL_U0, - .flags = IORESOURCE_IRQ, - .name = "mbox", +static struct omap_device_pm_latency mbox_latencies[] = { + [0] = { + .activate_func = omap_device_enable_hwmods, + .deactivate_func = omap_device_idle_hwmods, + .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, }, }; -static int omap4_mbox_resources_sz = ARRAY_SIZE(omap4_mbox_resources); -#else -#define omap4_mbox_resources NULL -#define omap4_mbox_resources_sz 0 -#endif - -static struct platform_device mbox_device = { - .name = "omap-mailbox", - .id = -1, -}; static inline void omap_init_mbox(void) { - if (cpu_is_omap24xx()) { - mbox_device.resource = omap2_mbox_resources; - mbox_device.num_resources = omap2_mbox_resources_sz; - } else if (cpu_is_omap34xx()) { - mbox_device.resource = omap3_mbox_resources; - mbox_device.num_resources = omap3_mbox_resources_sz; - } else if (cpu_is_omap44xx()) { - mbox_device.resource = omap4_mbox_resources; - mbox_device.num_resources = omap4_mbox_resources_sz; - } else { - pr_err("%s: platform not supported\n", __func__); + struct omap_hwmod *oh; + struct omap_device *od; + + oh = omap_hwmod_lookup("mailbox"); + if (!oh) { + pr_err("%s: unable to find hwmod\n", __func__); return; } - platform_device_register(&mbox_device); + + od = omap_device_build("omap-mailbox", -1, oh, NULL, 0, + mbox_latencies, ARRAY_SIZE(mbox_latencies), 0); + WARN(IS_ERR(od), "%s: could not build device, err %ld\n", + __func__, PTR_ERR(od)); } #else static inline void omap_init_mbox(void) { } @@ -544,117 +478,10 @@ static inline void omap_init_aes(void) { } /*-------------------------------------------------------------------------*/ -#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) - -#define MMCHS_SYSCONFIG 0x0010 -#define MMCHS_SYSCONFIG_SWRESET (1 << 1) -#define MMCHS_SYSSTATUS 0x0014 -#define MMCHS_SYSSTATUS_RESETDONE (1 << 0) +#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) -static struct platform_device dummy_pdev = { - .dev = { - .bus = &platform_bus_type, - }, -}; - -/** - * omap_hsmmc_reset() - Full reset of each HS-MMC controller - * - * Ensure that each MMC controller is fully reset. Controllers - * left in an unknown state (by bootloader) may prevent retention - * or OFF-mode. This is especially important in cases where the - * MMC driver is not enabled, _or_ built as a module. - * - * In order for reset to work, interface, functional and debounce - * clocks must be enabled. The debounce clock comes from func_32k_clk - * and is not under SW control, so we only enable i- and f-clocks. - **/ -static void __init omap_hsmmc_reset(void) -{ - u32 i, nr_controllers; - struct clk *iclk, *fclk; - - if (cpu_is_omap242x()) - return; - - nr_controllers = cpu_is_omap44xx() ? OMAP44XX_NR_MMC : - (cpu_is_omap34xx() ? OMAP34XX_NR_MMC : OMAP24XX_NR_MMC); - - for (i = 0; i < nr_controllers; i++) { - u32 v, base = 0; - struct device *dev = &dummy_pdev.dev; - - switch (i) { - case 0: - base = OMAP2_MMC1_BASE; - break; - case 1: - base = OMAP2_MMC2_BASE; - break; - case 2: - base = OMAP3_MMC3_BASE; - break; - case 3: - if (!cpu_is_omap44xx()) - return; - base = OMAP4_MMC4_BASE; - break; - case 4: - if (!cpu_is_omap44xx()) - return; - base = OMAP4_MMC5_BASE; - break; - } - - if (cpu_is_omap44xx()) - base += OMAP4_MMC_REG_OFFSET; - - dummy_pdev.id = i; - dev_set_name(&dummy_pdev.dev, "mmci-omap-hs.%d", i); - iclk = clk_get(dev, "ick"); - if (IS_ERR(iclk)) - goto err1; - if (clk_enable(iclk)) - goto err2; - - fclk = clk_get(dev, "fck"); - if (IS_ERR(fclk)) - goto err3; - if (clk_enable(fclk)) - goto err4; - - omap_writel(MMCHS_SYSCONFIG_SWRESET, base + MMCHS_SYSCONFIG); - v = omap_readl(base + MMCHS_SYSSTATUS); - while (!(omap_readl(base + MMCHS_SYSSTATUS) & - MMCHS_SYSSTATUS_RESETDONE)) - cpu_relax(); - - clk_disable(fclk); - clk_put(fclk); - clk_disable(iclk); - clk_put(iclk); - } - return; - -err4: - clk_put(fclk); -err3: - clk_disable(iclk); -err2: - clk_put(iclk); -err1: - printk(KERN_WARNING "%s: Unable to enable clocks for MMC%d, " - "cannot reset.\n", __func__, i); -} -#else -static inline void omap_hsmmc_reset(void) {} -#endif - -#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \ - defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) - -static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller, - int controller_nr) +static inline void omap242x_mmc_mux(struct omap_mmc_platform_data + *mmc_controller) { if ((mmc_controller->slots[0].switch_pin > 0) && \ (mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES)) @@ -665,163 +492,44 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller, omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp, OMAP_PIN_INPUT_PULLUP); - if (cpu_is_omap2420() && controller_nr == 0) { - 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); - } - - /* - * Use internal loop-back in MMC/SDIO Module Input Clock - * selection - */ - if (mmc_controller->slots[0].internal_clock) { - u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); - v |= (1 << 24); - omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0); - } + 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); } - if (cpu_is_omap34xx()) { - if (controller_nr == 0) { - omap_mux_init_signal("sdmmc1_clk", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc1_cmd", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc1_dat0", - OMAP_PIN_INPUT_PULLUP); - 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", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc1_dat3", - OMAP_PIN_INPUT_PULLUP); - } - 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", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc1_dat6", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc1_dat7", - OMAP_PIN_INPUT_PULLUP); - } - } - if (controller_nr == 1) { - /* MMC2 */ - omap_mux_init_signal("sdmmc2_clk", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc2_cmd", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc2_dat0", - OMAP_PIN_INPUT_PULLUP); - - /* - * For 8 wire configurations, Lines DAT4, 5, 6 and 7 need to be muxed - * in the board-*.c files - */ - 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", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc2_dat3", - OMAP_PIN_INPUT_PULLUP); - } - 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", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc2_dat6.sdmmc2_dat6", - OMAP_PIN_INPUT_PULLUP); - omap_mux_init_signal("sdmmc2_dat7.sdmmc2_dat7", - OMAP_PIN_INPUT_PULLUP); - } - } - - /* - * For MMC3 the pins need to be muxed in the board-*.c files - */ + /* + * Use internal loop-back in MMC/SDIO Module Input Clock + * selection + */ + if (mmc_controller->slots[0].internal_clock) { + u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); + v |= (1 << 24); + omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0); } } -void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, - int nr_controllers) +void __init omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data) { - int i; - char *name; + char *name = "mmci-omap"; - for (i = 0; i < nr_controllers; i++) { - unsigned long base, size; - unsigned int irq = 0; - - if (!mmc_data[i]) - continue; - - omap2_mmc_mux(mmc_data[i], i); + if (!mmc_data[0]) { + pr_err("%s fails: Incomplete platform data\n", __func__); + return; + } - switch (i) { - case 0: - base = OMAP2_MMC1_BASE; - irq = INT_24XX_MMC_IRQ; - break; - case 1: - base = OMAP2_MMC2_BASE; - irq = INT_24XX_MMC2_IRQ; - break; - case 2: - if (!cpu_is_omap44xx() && !cpu_is_omap34xx()) - return; - base = OMAP3_MMC3_BASE; - irq = INT_34XX_MMC3_IRQ; - break; - case 3: - if (!cpu_is_omap44xx()) - return; - base = OMAP4_MMC4_BASE; - irq = OMAP44XX_IRQ_MMC4; - break; - case 4: - if (!cpu_is_omap44xx()) - return; - base = OMAP4_MMC5_BASE; - irq = OMAP44XX_IRQ_MMC5; - break; - default: - continue; - } - - if (cpu_is_omap2420()) { - size = OMAP2420_MMC_SIZE; - name = "mmci-omap"; - } else if (cpu_is_omap44xx()) { - if (i < 3) - irq += OMAP44XX_IRQ_GIC_START; - size = OMAP4_HSMMC_SIZE; - name = "mmci-omap-hs"; - } else { - size = OMAP3_HSMMC_SIZE; - name = "mmci-omap-hs"; - } - omap_mmc_add(name, i, base, size, irq, mmc_data[i]); - }; + omap242x_mmc_mux(mmc_data[0]); + omap_mmc_add(name, 0, OMAP2_MMC1_BASE, OMAP2420_MMC_SIZE, + INT_24XX_MMC_IRQ, mmc_data[0]); } #endif @@ -895,7 +603,6 @@ 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_hsmmc_reset(); omap_init_audio(); omap_init_camera(); omap_init_mbox(); |