From 3ef55a74739a09b2f56495a3fe5852b15f09b9d9 Mon Sep 17 00:00:00 2001 From: Max Krummenacher Date: Fri, 8 Feb 2019 18:12:19 +0100 Subject: [PATCH] apalis_imx6: unify sd/mmc drive strength with linux kernel settings In the Linux device tree we use 40Ohm drive strength. So use the same value in U-Boot. Signed-off-by: Max Krummenacher Acked-by: Marcel Ziswiler --- 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 a716f09..407ed1e 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 */ -- 2.7.4