ARM: dma-mapping: provide dma_to_page()
[safe/jmp/linux-2.6] / arch / arm / plat-omap / devices.c
index c5dab1d..a64b692 100644 (file)
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
+#include <linux/io.h>
 
-#include <asm/hardware.h>
-#include <asm/io.h>
+#include <mach/hardware.h>
 #include <asm/mach-types.h>
 #include <asm/mach/map.h>
 
-#include <asm/arch/tc.h>
-#include <asm/arch/board.h>
-#include <asm/arch/mux.h>
-#include <asm/arch/gpio.h>
-#include <asm/arch/menelaus.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>
+#include <mach/mcbsp.h>
+#include <mach/dsp_common.h>
 
 #if    defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
 
-#include "../plat-omap/dsp/dsp_common.h"
-
 static struct dsp_platform_data dsp_pdata = {
        .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list),
 };
@@ -74,7 +76,7 @@ int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev)
 {
        static DEFINE_MUTEX(dsp_pdata_lock);
 
-       mutex_init(&kdev->lock);
+       spin_lock_init(&kdev->lock);
 
        mutex_lock(&dsp_pdata_lock);
        list_add_tail(&kdev->entry, &dsp_pdata.kdev_list);
@@ -89,72 +91,14 @@ static inline void omap_init_dsp(void) { }
 #endif /* CONFIG_OMAP_DSP */
 
 /*-------------------------------------------------------------------------*/
-#if    defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
-
-#define        OMAP1_I2C_BASE          0xfffb3800
-#define OMAP2_I2C_BASE1                0x48070000
-#define OMAP_I2C_SIZE          0x3f
-#define OMAP1_I2C_INT          INT_I2C
-#define OMAP2_I2C_INT1         56
-
-static struct resource i2c_resources1[] = {
-       {
-               .start          = 0,
-               .end            = 0,
-               .flags          = IORESOURCE_MEM,
-       },
-       {
-               .start          = 0,
-               .flags          = IORESOURCE_IRQ,
-       },
-};
-
-/* DMA not used; works around erratum writing to non-empty i2c fifo */
-
-static struct platform_device omap_i2c_device1 = {
-       .name           = "i2c_omap",
-       .id             = 1,
-       .num_resources  = ARRAY_SIZE(i2c_resources1),
-       .resource       = i2c_resources1,
-};
-
-/* See also arch/arm/mach-omap2/devices.c for second I2C on 24xx */
-static void omap_init_i2c(void)
-{
-       if (cpu_is_omap24xx()) {
-               i2c_resources1[0].start = OMAP2_I2C_BASE1;
-               i2c_resources1[0].end = OMAP2_I2C_BASE1 + OMAP_I2C_SIZE;
-               i2c_resources1[1].start = OMAP2_I2C_INT1;
-       } else {
-               i2c_resources1[0].start = OMAP1_I2C_BASE;
-               i2c_resources1[0].end = OMAP1_I2C_BASE + OMAP_I2C_SIZE;
-               i2c_resources1[1].start = OMAP1_I2C_INT;
-       }
-
-       /* FIXME define and use a boot tag, in case of boards that
-        * either don't wire up I2C, or chips that mux it differently...
-        * it can include clocking and address info, maybe more.
-        */
-       if (cpu_is_omap24xx()) {
-               omap_cfg_reg(M19_24XX_I2C1_SCL);
-               omap_cfg_reg(L15_24XX_I2C1_SDA);
-       } else {
-               omap_cfg_reg(I2C_SCL);
-               omap_cfg_reg(I2C_SDA);
-       }
-
-       (void) platform_device_register(&omap_i2c_device1);
-}
-
-#else
-static inline void omap_init_i2c(void) {}
-#endif
-
-/*-------------------------------------------------------------------------*/
 #if    defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
 
 static void omap_init_kp(void)
 {
+       /* 2430 and 34xx keypad is on TWL4030 */
+       if (cpu_is_omap2430() || cpu_is_omap34xx())
+               return;
+
        if (machine_is_omap_h2() || machine_is_omap_h3()) {
                omap_cfg_reg(F18_1610_KBC0);
                omap_cfg_reg(D20_1610_KBC1);
@@ -207,158 +151,93 @@ static inline void omap_init_kp(void) {}
 #endif
 
 /*-------------------------------------------------------------------------*/
+#if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE)
 
-#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,
-};
+static struct platform_device **omap_mcbsp_devices;
 
-#ifdef CONFIG_ARCH_OMAP16XX
-
-static struct omap_mmc_conf mmc2_conf;
+void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
+                                       int size)
+{
+       int i;
 
-static u64 mmc2_dmamask = 0xffffffff;
+       omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *),
+                                    GFP_KERNEL);
+       if (!omap_mcbsp_devices) {
+               printk(KERN_ERR "Could not register McBSP devices\n");
+               return;
+       }
 
-static struct resource mmc2_resources[] = {
-       {
-               .start          = OMAP_MMC2_BASE,
-               .end            = OMAP_MMC2_BASE + 0x7f,
-               .flags          = IORESOURCE_MEM,
-       },
-       {
-               .start          = INT_1610_MMC2,
-               .flags          = IORESOURCE_IRQ,
-       },
-};
+       for (i = 0; i < size; i++) {
+               struct platform_device *new_mcbsp;
+               int ret;
+
+               new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1);
+               if (!new_mcbsp)
+                       continue;
+               new_mcbsp->dev.platform_data = &config[i];
+               ret = platform_device_add(new_mcbsp);
+               if (ret) {
+                       platform_device_put(new_mcbsp);
+                       continue;
+               }
+               omap_mcbsp_devices[i] = new_mcbsp;
+       }
+}
 
-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,
-};
+#else
+void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
+                                       int size)
+{  }
 #endif
 
-static void __init omap_init_mmc(void)
-{
-       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;
+#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
+       defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
 
-       /* 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);
-       }
+#define OMAP_MMC_NR_RES                2
 
-#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);
-               }
+/*
+ * 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)
+{
+       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
 
 /*-------------------------------------------------------------------------*/
@@ -409,16 +288,8 @@ static inline void omap_init_uwire(void) {}
 
 #if    defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
 
-#ifdef CONFIG_ARCH_OMAP24XX
-#define        OMAP_WDT_BASE           0x48022000
-#else
-#define        OMAP_WDT_BASE           0xfffeb000
-#endif
-
 static struct resource wdt_resources[] = {
        {
-               .start          = OMAP_WDT_BASE,
-               .end            = OMAP_WDT_BASE + 0x4f,
                .flags          = IORESOURCE_MEM,
        },
 };
@@ -432,6 +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
@@ -493,21 +379,14 @@ static inline void omap_init_rng(void) {}
  */
 static int __init omap_init_devices(void)
 {
-/*
- * Need to enable relevant once for 2430 SDP
- */
-#ifndef CONFIG_MACH_OMAP_2430SDP
        /* please keep these calls, and their implementations above,
         * in alphabetical order so they're easier to sort through.
         */
        omap_init_dsp();
-       omap_init_i2c();
        omap_init_kp();
-       omap_init_mmc();
        omap_init_uwire();
        omap_init_wdt();
        omap_init_rng();
-#endif
        return 0;
 }
 arch_initcall(omap_init_devices);