From: Pali Rohár Date: Wed, 11 May 2022 18:27:13 +0000 (+0200) Subject: mmc: fsl_esdhc: Add new config option for default fallback mode X-Git-Tag: v2022.10~89^2~20^2~8 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8f3f8ba945f7e6b4225b2a5f171a64f7679bc8ba;p=platform%2Fkernel%2Fu-boot.git mmc: fsl_esdhc: Add new config option for default fallback mode Currently default fallback SDHC mode is 1-bit. Add new config option CONFIG_SYS_FSL_ESDHC_DEFAULT_BUS_WIDTH to allow specifying default fallback mode. This is useful e.g. for SPL builds which loads other parts from SD card during boot process. Signed-off-by: Pali Rohár Reviewed-by: Jaehoon Chung --- diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index c8f9709..5a87db6 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -839,6 +839,11 @@ config FSL_ESDHC_VS33_NOT_SUPPORT For eSDHC, power supply is through peripheral circuit. 3.3V support is common. Select this if 3.3V power supply not supported. +config SYS_FSL_ESDHC_DEFAULT_BUS_WIDTH + int + depends on FSL_ESDHC + default 1 + config FSL_ESDHC_IMX bool "Freescale/NXP i.MX eSDHC controller support" help diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index 6c6d03d..4e7bfdf 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -971,6 +971,7 @@ int fsl_esdhc_mmc_init(struct bd_info *bis) cfg = calloc(sizeof(struct fsl_esdhc_cfg), 1); cfg->esdhc_base = CONFIG_SYS_FSL_ESDHC_ADDR; + cfg->max_bus_width = CONFIG_SYS_FSL_ESDHC_DEFAULT_BUS_WIDTH; /* Prefer peripheral clock which provides higher frequency. */ if (gd->arch.sdhc_per_clk) cfg->sdhc_clk = gd->arch.sdhc_per_clk;