Renesas R-Mobile/R-Car ARM SoC of MMC has the same IP that are supported by sh_mmcif. This adds support R-Mobile/R-Car ARM SoC with the setting of the clock support.
Signed-off-by: Nobuhiro Iwamatsu nobuhiro.iwamatsu.yj@renesas.com --- drivers/mmc/sh_mmcif.c | 2 +- drivers/mmc/sh_mmcif.h | 7 ++++++- 2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/sh_mmcif.c b/drivers/mmc/sh_mmcif.c index 3a2022c..76ba93b 100644 --- a/drivers/mmc/sh_mmcif.c +++ b/drivers/mmc/sh_mmcif.c @@ -596,7 +596,7 @@ int mmcif_mmc_init(void) host->clk = CONFIG_SH_MMCIF_CLK;
sh_mmcif_cfg.f_min = MMC_CLK_DIV_MIN(host->clk); - sh_mmcif_cfg.f_max = MMC_CLK_DIV_MAX; + sh_mmcif_cfg.f_max = MMC_CLK_DIV_MAX(host->clk);
mmc = mmc_create(&sh_mmcif_cfg, host); if (mmc == NULL) { diff --git a/drivers/mmc/sh_mmcif.h b/drivers/mmc/sh_mmcif.h index 70034e2..4b6752f 100644 --- a/drivers/mmc/sh_mmcif.h +++ b/drivers/mmc/sh_mmcif.h @@ -199,8 +199,13 @@ struct sh_mmcif_regs { #define SOFT_RST_OFF (0 << 31)
#define CLKDEV_EMMC_DATA 52000000 /* 52MHz */ +#ifdef CONFIG_RMOBILE +#define MMC_CLK_DIV_MIN(clk) (clk / (1 << 9)) +#define MMC_CLK_DIV_MAX(clk) (clk / (1 << 1)) +#else #define MMC_CLK_DIV_MIN(clk) (clk / (1 << 8)) -#define MMC_CLK_DIV_MAX CLKDEV_EMMC_DATA +#define MMC_CLK_DIV_MAX(clk) CLKDEV_EMMC_DATA +#endif
#define MMC_BUS_WIDTH_1 0 #define MMC_BUS_WIDTH_4 2