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authorTom Rini <trini@konsulko.com>2018-10-10 13:35:14 -0400
committerTom Rini <trini@konsulko.com>2018-10-10 13:35:14 -0400
commit98068b3be51a77d8b931a2f5097b5c22c57bcea5 (patch)
tree76a1531846033f4ceece9e79c7d0f9ad0a8cc063 /drivers
parent606f3a74e62db197bda104d1c472be9614957ee2 (diff)
parentae400fde75703f2c0744fd60a5314a0d7857a67f (diff)
Merge branch 'master' of git://git.denx.de/u-boot-sh
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/tmio-common.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/mmc/tmio-common.c b/drivers/mmc/tmio-common.c
index b311b80be8..138de59470 100644
--- a/drivers/mmc/tmio-common.c
+++ b/drivers/mmc/tmio-common.c
@@ -372,11 +372,19 @@ static int tmio_sd_dma_xfer(struct udevice *dev, struct mmc_data *data)
}
/* check if the address is DMA'able */
-static bool tmio_sd_addr_is_dmaable(unsigned long addr)
+static bool tmio_sd_addr_is_dmaable(const char *src)
{
+ uintptr_t addr = (uintptr_t)src;
+
if (!IS_ALIGNED(addr, TMIO_SD_DMA_MINALIGN))
return false;
+#if defined(CONFIG_RCAR_GEN3)
+ /* Gen3 DMA has 32bit limit */
+ if (addr >> 32)
+ return false;
+#endif
+
#if defined(CONFIG_ARCH_UNIPHIER) && !defined(CONFIG_ARM64) && \
defined(CONFIG_SPL_BUILD)
/*
@@ -486,7 +494,7 @@ int tmio_sd_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
if (data) {
/* use DMA if the HW supports it and the buffer is aligned */
if (priv->caps & TMIO_SD_CAP_DMA_INTERNAL &&
- tmio_sd_addr_is_dmaable((long)data->src))
+ tmio_sd_addr_is_dmaable(data->src))
ret = tmio_sd_dma_xfer(dev, data);
else
ret = tmio_sd_pio_xfer(dev, data);