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authorDong Aisheng <aisheng.dong@freescale.com>2015-05-27 13:13:31 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2015-06-01 10:07:18 +0300
commit4245afff8b241426792d60b5b9078583f52d4029 (patch)
treee58cc587371e6ad3f0a1a3c72dd4261cac873abb /drivers/mmc
parent913d4951a50fba6acd96491c5b2f089a69308a60 (diff)
downloadlinux-4245afff8b241426792d60b5b9078583f52d4029.tar.xz
mmc: sdhci-esdhc-imx: add quirk SDHCI_QUIRK2_BROKEN_HS200 for imx6qdl
The iMX6Q/DL can not support HS200 mode while iMX6SL and iMX6SX can, so introduce a new flag to distinguish them. Signed-off-by: Dong Aisheng <aisheng.dong@freescale.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index bcb56734e92f..faf0cb910c96 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -118,6 +118,8 @@
* when reading data from the card
*/
#define ESDHC_FLAG_ERR004536 BIT(7)
+/* The IP supports HS200 mode */
+#define ESDHC_FLAG_HS200 BIT(8)
struct esdhc_soc_data {
u32 flags;
@@ -145,12 +147,13 @@ static struct esdhc_soc_data usdhc_imx6q_data = {
static struct esdhc_soc_data usdhc_imx6sl_data = {
.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING
- | ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_ERR004536,
+ | ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_ERR004536
+ | ESDHC_FLAG_HS200,
};
static struct esdhc_soc_data usdhc_imx6sx_data = {
.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING
- | ESDHC_FLAG_HAVE_CAP1,
+ | ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200,
};
struct pltfm_imx_data {
@@ -1004,6 +1007,9 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
host->quirks2 |= SDHCI_QUIRK2_PRESET_VALUE_BROKEN;
host->mmc->caps |= MMC_CAP_1_8V_DDR;
+ if (!(imx_data->socdata->flags & ESDHC_FLAG_HS200))
+ host->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200;
+
/*
* errata ESDHC_FLAG_ERR004536 fix for MX6Q TO1.2 and MX6DL
* TO1.1, it's harmless for MX6SL