This register is standardized by SDHCI (See SD Host Controller Simplified Specification v4.20 "1.2 Register Map" and "2.3.14 Pointer Registers to mFFh-100h Area"). It is necessary to access some vendor specific registers for some controllers. Signed-off-by: Yann Sionneau <ysionneau@xxxxxxxxxxxxx> --- drivers/mci/sdhci.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mci/sdhci.h b/drivers/mci/sdhci.h index 4291d8d04a..d0ef54bb45 100644 --- a/drivers/mci/sdhci.h +++ b/drivers/mci/sdhci.h @@ -168,6 +168,8 @@ #define SDHCI_PRESET_CLKGEN_SEL BIT(10) #define SDHCI_PRESET_SDCLK_FREQ_MASK GENMASK(9, 0) +#define SDHCI_P_VENDOR_SPEC_AREA 0xE8 +#define SDHCI_P_VENDOR_SPEC_AREA_MASK GENMASK(11, 0) #define SDHCI_HOST_VERSION 0xFE #define SDHCI_VENDOR_VER_MASK 0xFF00 #define SDHCI_VENDOR_VER_SHIFT 8 -- 2.43.0
