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authorTom Rini <trini@konsulko.com>2019-02-10 08:11:53 -0500
committerTom Rini <trini@konsulko.com>2019-02-10 08:11:53 -0500
commitdbe70c7d4e3d5c705a98d82952e05a591efd0683 (patch)
treec0e3b72471772f0e7f922866ac680a0eed45da1e /drivers/mmc
parent151b8339ccd33428d249e75bd036bd7eb33c1ef6 (diff)
parente531c6731b697fc524b54697caebf235a4a69e8d (diff)
Merge branch 'master' of git://git.denx.de/u-boot-sh
- SD/MMC fixes and ext4 memory leak fix
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/mmc.c28
-rw-r--r--drivers/mmc/renesas-sdhi.c10
-rw-r--r--drivers/mmc/tmio-common.c11
-rw-r--r--drivers/mmc/tmio-common.h1
-rw-r--r--drivers/mmc/uniphier-sd.c1
5 files changed, 38 insertions, 13 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 84d157ff40..b04345a1e1 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -724,7 +724,8 @@ static int mmc_send_ext_csd(struct mmc *mmc, u8 *ext_csd)
return err;
}
-int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value)
+static int __mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value,
+ bool send_status)
{
struct mmc_cmd cmd;
int timeout = 1000;
@@ -740,19 +741,29 @@ int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value)
while (retries > 0) {
ret = mmc_send_cmd(mmc, &cmd, NULL);
- /* Waiting for the ready status */
- if (!ret) {
- ret = mmc_send_status(mmc, timeout);
- return ret;
+ if (ret) {
+ retries--;
+ continue;
+ }
+
+ if (!send_status) {
+ mdelay(50);
+ return 0;
}
- retries--;
+ /* Waiting for the ready status */
+ return mmc_send_status(mmc, timeout);
}
return ret;
}
+int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value)
+{
+ return __mmc_switch(mmc, set, index, value, true);
+}
+
#if !CONFIG_IS_ENABLED(MMC_TINY)
static int mmc_set_card_speed(struct mmc *mmc, enum bus_mode mode,
bool hsdowngrade)
@@ -784,8 +795,9 @@ static int mmc_set_card_speed(struct mmc *mmc, enum bus_mode mode,
default:
return -EINVAL;
}
- err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING,
- speed_bits);
+
+ err = __mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING,
+ speed_bits, !hsdowngrade);
if (err)
return err;
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index 733b6d62f5..a556acd5cb 100644
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -462,6 +462,16 @@ static void renesas_sdhi_filter_caps(struct udevice *dev)
priv->nrtaps = 4;
else
priv->nrtaps = 8;
+
+ /* H3 ES1.x and M3W ES1.0 uses bit 17 for DTRAEND */
+ if (((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7795) &&
+ (rmobile_get_cpu_rev_integer() <= 1)) ||
+ ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7796) &&
+ (rmobile_get_cpu_rev_integer() == 1) &&
+ (rmobile_get_cpu_rev_fraction() == 0)))
+ priv->read_poll_flag = TMIO_SD_DMA_INFO1_END_RD;
+ else
+ priv->read_poll_flag = TMIO_SD_DMA_INFO1_END_RD2;
}
static int renesas_sdhi_probe(struct udevice *dev)
diff --git a/drivers/mmc/tmio-common.c b/drivers/mmc/tmio-common.c
index 201492001f..2421915a07 100644
--- 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;
diff --git a/drivers/mmc/tmio-common.h b/drivers/mmc/tmio-common.h
index 192026ce3e..58ce3d65b0 100644
--- a/drivers/mmc/tmio-common.h
+++ b/drivers/mmc/tmio-common.h
@@ -119,6 +119,7 @@ struct tmio_sd_priv {
void __iomem *regbase;
unsigned int version;
u32 caps;
+ u32 read_poll_flag;
#define TMIO_SD_CAP_NONREMOVABLE BIT(0) /* Nonremovable e.g. eMMC */
#define TMIO_SD_CAP_DMA_INTERNAL BIT(1) /* have internal DMA engine */
#define TMIO_SD_CAP_DIV1024 BIT(2) /* divisor 1024 is available */
diff --git a/drivers/mmc/uniphier-sd.c b/drivers/mmc/uniphier-sd.c
index 6539880ab5..8f89bda233 100644
--- a/drivers/mmc/uniphier-sd.c
+++ b/drivers/mmc/uniphier-sd.c
@@ -47,6 +47,7 @@ static int uniphier_sd_probe(struct udevice *dev)
struct tmio_sd_priv *priv = dev_get_priv(dev);
priv->clk_get_rate = uniphier_sd_clk_get_rate;
+ priv->read_poll_flag = TMIO_SD_DMA_INFO1_END_RD2;
#ifndef CONFIG_SPL_BUILD
int ret;