[U-Boot] [PATCH v2 16/23] apalis_imx6: unify sd/mmc drive strength with linux kernel settings

[Marcel Ziswiler]

From: Max Krummenacher <max.krummenacher at toradex.com>

In the Linux device tree we use 40Ohm drive strength. So use the same
value in U-Boot.

Signed-off-by: Max Krummenacher <max.krummenacher at toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>

---

Changes in v2: None

 board/toradex/apalis_imx6/apalis_imx6.c | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/board/toradex/apalis_imx6/apalis_imx6.c b/board/toradex/apalis_imx6/apalis_imx6.c
index 254fa4ddfb..cfdadda939 100644
--- a/board/toradex/apalis_imx6/apalis_imx6.c
+++ b/board/toradex/apalis_imx6/apalis_imx6.c
@@ -45,6 +45,10 @@ DECLARE_GLOBAL_DATA_PTR;
 	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
 
 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |			\
+	PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm |			\
+	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+#define USDHC_EMMC_PAD_CTRL (PAD_CTL_PUS_47K_UP |		\
 	PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |			\
 	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
 
@@ -115,16 +119,16 @@ iomux_v3_cfg_t const usdhc2_pads[] = {
 
 /* eMMC */
 iomux_v3_cfg_t const usdhc3_pads[] = {
-	MX6_PAD_SD3_CLK__SD3_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_CMD__SD3_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_CLK__SD3_CLK    | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
+	MX6_PAD_SD3_CMD__SD3_CMD    | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
+	MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
+	MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
+	MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
+	MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
+	MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
+	MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
+	MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
+	MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
 	MX6_PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(WEAK_PULLUP) | MUX_MODE_SION,
 };
 #endif /* CONFIG_FSL_ESDHC & CONFIG_SPL_BUILD */
-- 
2.20.1