ARM: dma-mapping: provide dma_to_page()
[safe/jmp/linux-2.6] / arch / arm / plat-omap / devices.c
index 2625ce3..a64b692 100644 (file)
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
+#include <linux/io.h>
 
 #include <mach/hardware.h>
-#include <asm/io.h>
 #include <asm/mach-types.h>
 #include <asm/mach/map.h>
 
 #include <mach/tc.h>
 #include <mach/control.h>
 #include <mach/board.h>
+#include <mach/mmc.h>
 #include <mach/mux.h>
 #include <mach/gpio.h>
 #include <mach/menelaus.h>
@@ -159,13 +160,6 @@ void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
 {
        int i;
 
-       if (size > OMAP_MAX_MCBSP_COUNT) {
-               printk(KERN_WARNING "Registered too many McBSPs platform_data."
-                       " Using maximum (%d) available.\n",
-                       OMAP_MAX_MCBSP_COUNT);
-               size = OMAP_MAX_MCBSP_COUNT;
-       }
-
        omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *),
                                     GFP_KERNEL);
        if (!omap_mcbsp_devices) {
@@ -198,157 +192,52 @@ void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
 
 /*-------------------------------------------------------------------------*/
 
-#if    defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
-
-#ifdef CONFIG_ARCH_OMAP24XX
-#define        OMAP_MMC1_BASE          0x4809c000
-#define OMAP_MMC1_INT          INT_24XX_MMC_IRQ
-#else
-#define        OMAP_MMC1_BASE          0xfffb7800
-#define OMAP_MMC1_INT          INT_MMC
-#endif
-#define        OMAP_MMC2_BASE          0xfffb7c00      /* omap16xx only */
-
-static struct omap_mmc_conf mmc1_conf;
-
-static u64 mmc1_dmamask = 0xffffffff;
-
-static struct resource mmc1_resources[] = {
-       {
-               .start          = OMAP_MMC1_BASE,
-               .end            = OMAP_MMC1_BASE + 0x7f,
-               .flags          = IORESOURCE_MEM,
-       },
-       {
-               .start          = OMAP_MMC1_INT,
-               .flags          = IORESOURCE_IRQ,
-       },
-};
-
-static struct platform_device mmc_omap_device1 = {
-       .name           = "mmci-omap",
-       .id             = 1,
-       .dev = {
-               .dma_mask       = &mmc1_dmamask,
-               .platform_data  = &mmc1_conf,
-       },
-       .num_resources  = ARRAY_SIZE(mmc1_resources),
-       .resource       = mmc1_resources,
-};
-
-#ifdef CONFIG_ARCH_OMAP16XX
-
-static struct omap_mmc_conf mmc2_conf;
+#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
+       defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
 
-static u64 mmc2_dmamask = 0xffffffff;
+#define OMAP_MMC_NR_RES                2
 
-static struct resource mmc2_resources[] = {
-       {
-               .start          = OMAP_MMC2_BASE,
-               .end            = OMAP_MMC2_BASE + 0x7f,
-               .flags          = IORESOURCE_MEM,
-       },
-       {
-               .start          = INT_1610_MMC2,
-               .flags          = IORESOURCE_IRQ,
-       },
-};
-
-static struct platform_device mmc_omap_device2 = {
-       .name           = "mmci-omap",
-       .id             = 2,
-       .dev = {
-               .dma_mask       = &mmc2_dmamask,
-               .platform_data  = &mmc2_conf,
-       },
-       .num_resources  = ARRAY_SIZE(mmc2_resources),
-       .resource       = mmc2_resources,
-};
-#endif
-
-static void __init omap_init_mmc(void)
+/*
+ * Register MMC devices. Called from mach-omap1 and mach-omap2 device init.
+ */
+int __init omap_mmc_add(const char *name, int id, unsigned long base,
+                               unsigned long size, unsigned int irq,
+                               struct omap_mmc_platform_data *data)
 {
-       const struct omap_mmc_config    *mmc_conf;
-       const struct omap_mmc_conf      *mmc;
-
-       /* NOTE:  assumes MMC was never (wrongly) enabled */
-       mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config);
-       if (!mmc_conf)
-               return;
-
-       /* block 1 is always available and has just one pinout option */
-       mmc = &mmc_conf->mmc[0];
-       if (mmc->enabled) {
-               if (cpu_is_omap24xx()) {
-                       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);
-               } 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->wire4) {
-                       if (cpu_is_omap24xx()) {
-                               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);
-                       } else {
-                               omap_cfg_reg(MMC_DAT1);
-                               /* NOTE:  DAT2 can be on W10 (here) or M15 */
-                               if (!mmc->nomux)
-                                       omap_cfg_reg(MMC_DAT2);
-                               omap_cfg_reg(MMC_DAT3);
-                       }
-               }
-               mmc1_conf = *mmc;
-               (void) platform_device_register(&mmc_omap_device1);
-       }
-
-#ifdef CONFIG_ARCH_OMAP16XX
-       /* block 2 is on newer chips, and has many pinout options */
-       mmc = &mmc_conf->mmc[1];
-       if (mmc->enabled) {
-               if (!mmc->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->wire4) {
-                               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);
-               }
+       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;
+
+       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;
 
-               /* 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);
-               mmc2_conf = *mmc;
-               (void) platform_device_register(&mmc_omap_device2);
-       }
-#endif
-       return;
+fail:
+       platform_device_put(pdev);
+       return ret;
 }
-#else
-static inline void omap_init_mmc(void) {}
+
 #endif
 
 /*-------------------------------------------------------------------------*/
@@ -399,25 +288,8 @@ static inline void omap_init_uwire(void) {}
 
 #if    defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
 
-#if defined(CONFIG_ARCH_OMAP34XX)
-#define        OMAP_WDT_BASE           0x48314000
-#elif defined(CONFIG_ARCH_OMAP24XX)
-
-#ifdef CONFIG_ARCH_OMAP2430
-/* WDT2 */
-#define        OMAP_WDT_BASE           0x49016000
-#else
-#define        OMAP_WDT_BASE           0x48022000
-#endif
-
-#else
-#define        OMAP_WDT_BASE           0xfffeb000
-#endif
-
 static struct resource wdt_resources[] = {
        {
-               .start          = OMAP_WDT_BASE,
-               .end            = OMAP_WDT_BASE + 0x4f,
                .flags          = IORESOURCE_MEM,
        },
 };
@@ -431,6 +303,21 @@ static struct platform_device omap_wdt_device = {
 
 static void omap_init_wdt(void)
 {
+       if (cpu_is_omap16xx())
+               wdt_resources[0].start = 0xfffeb000;
+       else if (cpu_is_omap2420())
+               wdt_resources[0].start = 0x48022000; /* WDT2 */
+       else if (cpu_is_omap2430())
+               wdt_resources[0].start = 0x49016000; /* WDT2 */
+       else if (cpu_is_omap343x())
+               wdt_resources[0].start = 0x48314000; /* WDT2 */
+       else if (cpu_is_omap44xx())
+               wdt_resources[0].start = 0x4a314000;
+       else
+               return;
+
+       wdt_resources[0].end = wdt_resources[0].start + 0x4f;
+
        (void) platform_device_register(&omap_wdt_device);
 }
 #else
@@ -497,7 +384,6 @@ static int __init omap_init_devices(void)
         */
        omap_init_dsp();
        omap_init_kp();
-       omap_init_mmc();
        omap_init_uwire();
        omap_init_wdt();
        omap_init_rng();