mmc: tmio: Configure HOST_MODE WMODE according to bus width

[pandora-u-boot.git] / drivers / mmc / tmio-common.c

diff --git a/drivers/mmc/tmio-common.c b/drivers/mmc/tmio-common.c
index 2014920..6e656e5 100644 (file)
--- a/drivers/mmc/tmio-common.c
+++ b/drivers/mmc/tmio-common.c
@@ -347,12 +347,10 @@ static int tmio_sd_dma_xfer(struct udevice *dev, struct mmc_data *data)
                /*
                 * The DMA READ completion flag position differs on Socionext
                 * and Renesas SoCs. It is bit 20 on Socionext SoCs and using
-                * bit 17 is a hardware bug and forbidden. It is bit 17 on
-                * Renesas SoCs and bit 20 does not work on them.
+                * bit 17 is a hardware bug and forbidden. It is either bit 17
+                * or bit 20 on Renesas SoCs, depending on SoC.
                 */
-               poll_flag = (priv->caps & TMIO_SD_CAP_RCAR) ?
-                           TMIO_SD_DMA_INFO1_END_RD :
-                           TMIO_SD_DMA_INFO1_END_RD2;
+               poll_flag = priv->read_poll_flag;
                tmp |= TMIO_SD_DMA_MODE_DIR_RD;
        } else {
                buf = (void *)data->src;
@@ -369,6 +367,9 @@ static int tmio_sd_dma_xfer(struct udevice *dev, struct mmc_data *data)
 
        ret = tmio_sd_dma_wait_for_irq(dev, poll_flag, data->blocks);
 
+       if (poll_flag == TMIO_SD_DMA_INFO1_END_RD)
+               udelay(1);
+
        __dma_unmap_single(dma_addr, len, dir);
 
        return ret;
@@ -704,10 +705,14 @@ static void tmio_sd_host_init(struct tmio_sd_priv *priv)
         * This register dropped backward compatibility at version 0x10.
         * Write an appropriate value depending on the IP version.
         */
-       if (priv->version >= 0x10)
-               tmio_sd_writel(priv, 0x101, TMIO_SD_HOST_MODE);
-       else
+       if (priv->version >= 0x10) {
+               if (priv->caps & TMIO_SD_CAP_64BIT)
+                       tmio_sd_writel(priv, 0x100, TMIO_SD_HOST_MODE);
+               else
+                       tmio_sd_writel(priv, 0x101, TMIO_SD_HOST_MODE);
+       } else {
                tmio_sd_writel(priv, 0x0, TMIO_SD_HOST_MODE);
+       }
 
        if (priv->caps & TMIO_SD_CAP_DMA_INTERNAL) {
                tmp = tmio_sd_readl(priv, TMIO_SD_DMA_MODE);