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| author | Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> | 2014-12-03 17:57:01 +0900 |
|---|---|---|
| committer | Nobuhiro Iwamatsu <iwamatsu@nigauri.org> | 2014-12-05 11:15:52 +0900 |
| commit | 7a7eb983a4cd7531843de875572bf5a1c96297ca (patch) | |
| tree | b4a74e7b876fafdf8941de8683421ddea8f84f6d /drivers/mmc/sh_mmcif.h | |
| parent | 21ea350385149e0e96c51b2cac5e91cd4fd143bc (diff) | |
| download | blackbird-obmc-uboot-7a7eb983a4cd7531843de875572bf5a1c96297ca.tar.gz blackbird-obmc-uboot-7a7eb983a4cd7531843de875572bf5a1c96297ca.zip | |
mmc: sh_mmcif: Change maximum and minimum value of MMC clock
Maximum value and the minimum value of clock for sh_mmcif instead by
base of MMC clock. This removes fixed clock, make the changes to be calculated
according to environment.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'drivers/mmc/sh_mmcif.h')
| -rw-r--r-- | drivers/mmc/sh_mmcif.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mmc/sh_mmcif.h b/drivers/mmc/sh_mmcif.h index bd6fbf7c62..70034e2576 100644 --- a/drivers/mmc/sh_mmcif.h +++ b/drivers/mmc/sh_mmcif.h @@ -199,7 +199,8 @@ struct sh_mmcif_regs { #define SOFT_RST_OFF (0 << 31) #define CLKDEV_EMMC_DATA 52000000 /* 52MHz */ -#define CLKDEV_MMC_INIT 400000 /* 100 - 400 KHz */ +#define MMC_CLK_DIV_MIN(clk) (clk / (1 << 8)) +#define MMC_CLK_DIV_MAX CLKDEV_EMMC_DATA #define MMC_BUS_WIDTH_1 0 #define MMC_BUS_WIDTH_4 2 |
