Merge branch 'u-boot-samsung/master' into 'u-boot-arm/master'

[u-boot] / drivers / mmc / sdhci.c

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 932987427c3d60c79a3a3f63f914f412bd43cc6f..1eaea04ad108ac27fe5e4c954eed7fb1221384d2 100644 (file)
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -82,6 +82,13 @@ static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data,
                                unsigned int start_addr)
 {
        unsigned int stat, rdy, mask, timeout, block = 0;
+#ifdef CONFIG_MMC_SDMA
+       unsigned char ctrl;
+       ctrl = sdhci_readl(host, SDHCI_HOST_CONTROL);
+       ctrl &= ~SDHCI_CTRL_DMA_MASK;
+       ctrl |= SDHCI_CTRL_SDMA;
+       sdhci_writel(host, ctrl, SDHCI_HOST_CONTROL);
+#endif
 
        timeout = 1000000;
        rdy = SDHCI_INT_SPACE_AVAIL | SDHCI_INT_DATA_AVAIL;
@@ -233,6 +240,9 @@ int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
        if (!ret && data)
                ret = sdhci_transfer_data(host, data, start_addr);
 
+       if (host->quirks & SDHCI_QUIRK_WAIT_SEND_CMD)
+               udelay(1000);
+
        stat = sdhci_readl(host, SDHCI_INT_STATUS);
        sdhci_writel(host, SDHCI_INT_ALL_MASK, SDHCI_INT_STATUS);
        if (!ret) {
@@ -330,6 +340,9 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned short power)
                return;
        }
 
+       if (host->quirks & SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER)
+               sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL);
+
        pwr |= SDHCI_POWER_ON;
 
        sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL);
@@ -399,9 +412,11 @@ int sdhci_init(struct mmc *mmc)
                        status = sdhci_readl(host, SDHCI_PRESENT_STATE);
        }
 
-       /* Eable all state */
-       sdhci_writel(host, SDHCI_INT_ALL_MASK, SDHCI_INT_ENABLE);
-       sdhci_writel(host, SDHCI_INT_ALL_MASK, SDHCI_SIGNAL_ENABLE);
+       /* Enable only interrupts served by the SD controller */
+       sdhci_writel(host, SDHCI_INT_DATA_MASK | SDHCI_INT_CMD_MASK
+                    , SDHCI_INT_ENABLE);
+       /* Mask all sdhci interrupt sources */
+       sdhci_writel(host, 0x0, SDHCI_SIGNAL_ENABLE);
 
        return 0;
 }
@@ -425,6 +440,7 @@ int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk)
        mmc->set_ios = sdhci_set_ios;
        mmc->init = sdhci_init;
        mmc->getcd = NULL;
+       mmc->getwp = NULL;
 
        caps = sdhci_readl(host, SDHCI_CAPABILITIES);
 #ifdef CONFIG_MMC_SDMA