Merge branches 'devel-iommu-mailbox', 'devel-mcbsp', 'devel-board' and 'devel-hsmmc...
[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-omap2 / devices.c
index 9ee876fd367ad3f54040f506b54c96d3fe7aed16..2cb720b5b12ede09dc16b7bf39e36ff127c87e68 100644 (file)
@@ -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();