]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - drivers/mmc/sdhci.c
net: fec_mxc: move CONFIG_FEC_MXC_PHYADDR from Kconfig to include/configs/*.h
[karo-tx-uboot.git] / drivers / mmc / sdhci.c
index 3125d13ba3ce8e8e2552248e41c059bd31e5fb3c..d89e3028417b0942cabffec34f58ea8c3e283917 100644 (file)
 #include <mmc.h>
 #include <sdhci.h>
 
+#if defined(CONFIG_FIXED_SDHCI_ALIGNED_BUFFER)
+void *aligned_buffer = (void *)CONFIG_FIXED_SDHCI_ALIGNED_BUFFER;
+#else
 void *aligned_buffer;
+#endif
 
 static void sdhci_reset(struct sdhci_host *host, u8 mask)
 {
@@ -124,7 +128,7 @@ static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data,
 #endif
 #define CONFIG_SDHCI_CMD_DEFAULT_TIMEOUT       100
 
-int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
+static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
                       struct mmc_data *data)
 {
        struct sdhci_host *host = mmc->priv;
@@ -133,8 +137,8 @@ int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
        int trans_bytes = 0, is_aligned = 1;
        u32 mask, flags, mode;
        unsigned int time = 0, start_addr = 0;
-       unsigned int retry = 10000;
        int mmc_dev = mmc->block_dev.dev;
+       unsigned start = get_timer(0);
 
        /* Timeout unit - ms */
        static unsigned int cmd_timeout = CONFIG_SDHCI_CMD_DEFAULT_TIMEOUT;
@@ -194,17 +198,28 @@ int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
 
 #ifdef CONFIG_MMC_SDMA
                if (data->flags == MMC_DATA_READ)
-                       start_addr = (unsigned int)data->dest;
+                       start_addr = (unsigned long)data->dest;
                else
-                       start_addr = (unsigned int)data->src;
+                       start_addr = (unsigned long)data->src;
                if ((host->quirks & SDHCI_QUIRK_32BIT_DMA_ADDR) &&
                                (start_addr & 0x7) != 0x0) {
                        is_aligned = 0;
-                       start_addr = (unsigned int)aligned_buffer;
+                       start_addr = (unsigned long)aligned_buffer;
                        if (data->flags != MMC_DATA_READ)
                                memcpy(aligned_buffer, data->src, trans_bytes);
                }
 
+#if defined(CONFIG_FIXED_SDHCI_ALIGNED_BUFFER)
+               /*
+                * Always use this bounce-buffer when
+                * CONFIG_FIXED_SDHCI_ALIGNED_BUFFER is defined
+                */
+               is_aligned = 0;
+               start_addr = (unsigned long)aligned_buffer;
+               if (data->flags != MMC_DATA_READ)
+                       memcpy(aligned_buffer, data->src, trans_bytes);
+#endif
+
                sdhci_writel(host, start_addr, SDHCI_DMA_ADDRESS);
                mode |= SDHCI_TRNS_DMA;
 #endif
@@ -213,6 +228,8 @@ int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
                                SDHCI_BLOCK_SIZE);
                sdhci_writew(host, data->blocks, SDHCI_BLOCK_COUNT);
                sdhci_writew(host, mode, SDHCI_TRANSFER_MODE);
+       } else if (cmd->resp_type & MMC_RSP_BUSY) {
+               sdhci_writeb(host, 0xe, SDHCI_TIMEOUT_CONTROL);
        }
 
        sdhci_writel(host, cmd->cmdarg, SDHCI_ARGUMENT);
@@ -220,15 +237,15 @@ int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
        flush_cache(start_addr, trans_bytes);
 #endif
        sdhci_writew(host, SDHCI_MAKE_CMD(cmd->cmdidx, flags), SDHCI_COMMAND);
+       start = get_timer(0);
        do {
                stat = sdhci_readl(host, SDHCI_INT_STATUS);
                if (stat & SDHCI_INT_ERROR)
                        break;
-               if (--retry == 0)
-                       break;
-       } while ((stat & mask) != mask);
+       } while (((stat & mask) != mask) &&
+                (get_timer(start) < CONFIG_SDHCI_CMD_DEFAULT_TIMEOUT));
 
-       if (retry == 0) {
+       if (get_timer(start) >= CONFIG_SDHCI_CMD_DEFAULT_TIMEOUT) {
                if (host->quirks & SDHCI_QUIRK_BROKEN_R1B)
                        return 0;
                else {
@@ -355,7 +372,7 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned short power)
        sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL);
 }
 
-void sdhci_set_ios(struct mmc *mmc)
+static void sdhci_set_ios(struct mmc *mmc)
 {
        u32 ctrl;
        struct sdhci_host *host = mmc->priv;
@@ -374,7 +391,8 @@ void sdhci_set_ios(struct mmc *mmc)
                                (host->quirks & SDHCI_QUIRK_USE_WIDE8))
                        ctrl |= SDHCI_CTRL_8BITBUS;
        } else {
-               if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300)
+               if ((SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) ||
+                               (host->quirks & SDHCI_QUIRK_USE_WIDE8))
                        ctrl &= ~SDHCI_CTRL_8BITBUS;
                if (mmc->bus_width == 4)
                        ctrl |= SDHCI_CTRL_4BITBUS;
@@ -393,7 +411,7 @@ void sdhci_set_ios(struct mmc *mmc)
        sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
 }
 
-int sdhci_init(struct mmc *mmc)
+static int sdhci_init(struct mmc *mmc)
 {
        struct sdhci_host *host = mmc->priv;
 
@@ -411,7 +429,7 @@ int sdhci_init(struct mmc *mmc)
        if (host->quirks & SDHCI_QUIRK_NO_CD) {
                unsigned int status;
 
-               sdhci_writel(host, SDHCI_CTRL_CD_TEST_INS | SDHCI_CTRL_CD_TEST,
+               sdhci_writeb(host, SDHCI_CTRL_CD_TEST_INS | SDHCI_CTRL_CD_TEST,
                        SDHCI_HOST_CONTROL);
 
                status = sdhci_readl(host, SDHCI_PRESENT_STATE);