From a6b448884a5f8eed5fec888f918aef26be338912 Mon Sep 17 00:00:00 2001 From: yangbo lu Date: Mon, 26 Dec 2016 17:46:29 +0800 Subject: [PATCH] mmc: sdhci-esdhc: clean up register definitions The eSDHC register definitions in header file were messy and confusing. This patch is to clean up these definitions. Signed-off-by: Yangbo Lu Acked-by: Adrian Hunter Signed-off-by: Ulf Hansson --- drivers/mmc/host/sdhci-esdhc.h | 39 +++++++++++++++++----------------- 1 file changed, 20 insertions(+), 19 deletions(-) diff --git a/drivers/mmc/host/sdhci-esdhc.h b/drivers/mmc/host/sdhci-esdhc.h index de132e281753..8cd8449c7bc5 100644 --- a/drivers/mmc/host/sdhci-esdhc.h +++ b/drivers/mmc/host/sdhci-esdhc.h @@ -24,30 +24,31 @@ SDHCI_QUIRK_PIO_NEEDS_DELAY | \ SDHCI_QUIRK_NO_HISPD_BIT) -#define ESDHC_PROCTL 0x28 - -#define ESDHC_SYSTEM_CONTROL 0x2c -#define ESDHC_CLOCK_MASK 0x0000fff0 -#define ESDHC_PREDIV_SHIFT 8 -#define ESDHC_DIVIDER_SHIFT 4 -#define ESDHC_CLOCK_PEREN 0x00000004 -#define ESDHC_CLOCK_HCKEN 0x00000002 -#define ESDHC_CLOCK_IPGEN 0x00000001 - /* pltfm-specific */ #define ESDHC_HOST_CONTROL_LE 0x20 /* - * P2020 interpretation of the SDHCI_HOST_CONTROL register + * eSDHC register definition */ -#define ESDHC_CTRL_4BITBUS (0x1 << 1) -#define ESDHC_CTRL_8BITBUS (0x2 << 1) -#define ESDHC_CTRL_BUSWIDTH_MASK (0x3 << 1) - -/* OF-specific */ -#define ESDHC_DMA_SYSCTL 0x40c -#define ESDHC_DMA_SNOOP 0x00000040 -#define ESDHC_HOST_CONTROL_RES 0x01 +/* Protocol Control Register */ +#define ESDHC_PROCTL 0x28 +#define ESDHC_CTRL_4BITBUS (0x1 << 1) +#define ESDHC_CTRL_8BITBUS (0x2 << 1) +#define ESDHC_CTRL_BUSWIDTH_MASK (0x3 << 1) +#define ESDHC_HOST_CONTROL_RES 0x01 + +/* System Control Register */ +#define ESDHC_SYSTEM_CONTROL 0x2c +#define ESDHC_CLOCK_MASK 0x0000fff0 +#define ESDHC_PREDIV_SHIFT 8 +#define ESDHC_DIVIDER_SHIFT 4 +#define ESDHC_CLOCK_PEREN 0x00000004 +#define ESDHC_CLOCK_HCKEN 0x00000002 +#define ESDHC_CLOCK_IPGEN 0x00000001 + +/* Control Register for DMA transfer */ +#define ESDHC_DMA_SYSCTL 0x40c +#define ESDHC_DMA_SNOOP 0x00000040 #endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */ -- 2.20.1