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>

diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index bcb56734e92f44a5c50e889f27a850f3326ce1db..faf0cb910c968abcce26c431422adff3e438f81d 100644 (file)
--- 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