Update execute tuning and set clock to support for
HS200 mode.
Signed-off-by: Siva Durga Prasad Paladugu <siva...@xilinx.com>
---
Changes from v1:
- Split the patch with only sdhci related changes
---
drivers/mmc/sdhci.c | 18 +++++++++++++-----
include/mmc.h | 1 +
2 files changed, 14 insertions(+), 5 deletions(-)
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index c5538ab..e8d76ba 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -157,7 +157,8 @@ static int sdhci_send_command(struct mmc *mmc, struct
mmc_cmd *cmd,
/* We shouldn't wait for data inihibit for stop commands, even
though they might use busy signaling */
if ((cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION) ||
- (cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK))
+ (cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK) ||
+ (cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200))
mask &= ~SDHCI_DATA_INHIBIT;
while (sdhci_readl(host, SDHCI_PRESENT_STATE) & mask) {
@@ -179,7 +180,8 @@ static int sdhci_send_command(struct mmc *mmc, struct
mmc_cmd *cmd,
mask = SDHCI_INT_RESPONSE;
/* only buffer read ready interrupt whil tuning */
- if (cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK)
+ if ((cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK) ||
+ (cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200))
mask = SDHCI_INT_DATA_AVAIL;
if (!(cmd->resp_type & MMC_RSP_PRESENT))
@@ -197,7 +199,8 @@ static int sdhci_send_command(struct mmc *mmc, struct
mmc_cmd *cmd,
flags |= SDHCI_CMD_CRC;
if (cmd->resp_type & MMC_RSP_OPCODE)
flags |= SDHCI_CMD_INDEX;
- if (data || (cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK))
+ if (data || (cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK) ||
+ (cmd->cmdidx == MMC_CMD_SEND_TUNING_BLOCK_HS200))
flags |= SDHCI_CMD_DATA;
/* Set Transfer mode regarding to data flag */
@@ -405,8 +408,13 @@ static int sdhci_set_clock(struct mmc *mmc, unsigned int
clock)
if (clock == 0)
return 0;
- if (mmc->is_uhs && host->ops->set_delay)
- host->ops->set_delay(host, mmc->uhsmode);
+ if (((mmc->card_caps & MMC_MODE_HS200) || mmc->is_uhs) &&
+ host->ops->set_delay) {
+ if (mmc->is_uhs)
+ host->ops->set_delay(host, mmc->uhsmode);
+ else
+ host->ops->set_delay(host, MMC_TIMING_HS200);
+ }
if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) {
/*
diff --git a/include/mmc.h b/include/mmc.h
index 90e1dcc..e0b5510 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -300,6 +300,7 @@
#define MMC_TIMING_UHS_SDR50 2
#define MMC_TIMING_UHS_SDR104 3
#define MMC_TIMING_UHS_DDR50 4
+#define MMC_TIMING_HS200 5
#define MMC_TIMING_HS 1
/* Driver model support */
--
2.7.4
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