Commit bb8175a8 authored by Seungwon Jeon's avatar Seungwon Jeon Committed by Chris Ball

mmc: sdhci: clarify DDR timing mode between SD-UHS and eMMC

Added MMC_DDR52 as eMMC's DDR mode is distinguished from SD-UHS.
Signed-off-by: default avatarSeungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: default avatarChris Ball <chris@printf.net>
parent cab3a802
...@@ -1510,6 +1510,7 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) ...@@ -1510,6 +1510,7 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios)
/* In case of UHS-I modes, set High Speed Enable */ /* In case of UHS-I modes, set High Speed Enable */
if ((ios->timing == MMC_TIMING_MMC_HS200) || if ((ios->timing == MMC_TIMING_MMC_HS200) ||
(ios->timing == MMC_TIMING_MMC_DDR52) ||
(ios->timing == MMC_TIMING_UHS_SDR50) || (ios->timing == MMC_TIMING_UHS_SDR50) ||
(ios->timing == MMC_TIMING_UHS_SDR104) || (ios->timing == MMC_TIMING_UHS_SDR104) ||
(ios->timing == MMC_TIMING_UHS_DDR50) || (ios->timing == MMC_TIMING_UHS_DDR50) ||
...@@ -1570,7 +1571,8 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) ...@@ -1570,7 +1571,8 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios)
ctrl_2 |= SDHCI_CTRL_UHS_SDR25; ctrl_2 |= SDHCI_CTRL_UHS_SDR25;
else if (ios->timing == MMC_TIMING_UHS_SDR50) else if (ios->timing == MMC_TIMING_UHS_SDR50)
ctrl_2 |= SDHCI_CTRL_UHS_SDR50; ctrl_2 |= SDHCI_CTRL_UHS_SDR50;
else if (ios->timing == MMC_TIMING_UHS_DDR50) else if ((ios->timing == MMC_TIMING_UHS_DDR50) ||
(ios->timing == MMC_TIMING_MMC_DDR52))
ctrl_2 |= SDHCI_CTRL_UHS_DDR50; ctrl_2 |= SDHCI_CTRL_UHS_DDR50;
sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2); sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment