From b09ed6e4fe6065851751e7fc381ff40c23fb09f1 Mon Sep 17 00:00:00 2001 From: Jaehoon Chung Date: Thu, 30 Aug 2012 16:24:11 +0000 Subject: [PATCH] mmc: s5p_sdhci: add the set_mmc_clk for cmu control Samsung SoC use the cmu control to set clock. Signed-off-by: Jaehoon Chung Signed-off-by: Kyungmin Park Signed-off-by: Andy Fleming --- drivers/mmc/s5p_sdhci.c | 3 +++ drivers/mmc/sdhci.c | 3 +++ include/configs/trats.h | 1 + include/sdhci.h | 2 ++ 4 files changed, 9 insertions(+) diff --git a/drivers/mmc/s5p_sdhci.c b/drivers/mmc/s5p_sdhci.c index 9378e36b39..b9782367e2 100644 --- a/drivers/mmc/s5p_sdhci.c +++ b/drivers/mmc/s5p_sdhci.c @@ -21,6 +21,7 @@ #include #include #include +#include static char *S5P_NAME = "SAMSUNG SDHCI"; static void s5p_sdhci_set_control_reg(struct sdhci_host *host) @@ -87,6 +88,8 @@ int s5p_sdhci_init(u32 regbase, int index, int bus_width) host->version = sdhci_readw(host, SDHCI_HOST_VERSION); host->set_control_reg = &s5p_sdhci_set_control_reg; + host->set_clock = set_mmc_clk; + host->index = index; host->host_caps = MMC_MODE_HC; diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 3bb0ad0491..2e3c408bc5 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -279,6 +279,9 @@ static int sdhci_set_clock(struct mmc *mmc, unsigned int clock) } div >>= 1; + if (host->set_clock) + host->set_clock(host->index, div); + clk = (div & SDHCI_DIV_MASK) << SDHCI_DIVIDER_SHIFT; clk |= ((div & SDHCI_DIV_HI_MASK) >> SDHCI_DIV_MASK_LEN) << SDHCI_DIVIDER_HI_SHIFT; diff --git a/include/configs/trats.h b/include/configs/trats.h index f8da9c01c2..794b6fb793 100644 --- a/include/configs/trats.h +++ b/include/configs/trats.h @@ -78,6 +78,7 @@ #define CONFIG_MMC #define CONFIG_S5P_SDHCI #define CONFIG_SDHCI +#define CONFIG_MMC_SDMA /* PWM */ #define CONFIG_PWM diff --git a/include/sdhci.h b/include/sdhci.h index d41287f67b..c0345ed86e 100644 --- a/include/sdhci.h +++ b/include/sdhci.h @@ -253,8 +253,10 @@ struct sdhci_host { unsigned int clock; struct mmc *mmc; const struct sdhci_ops *ops; + int index; void (*set_control_reg)(struct sdhci_host *host); + void (*set_clock)(int dev_index, unsigned int div); uint voltages; }; -- 2.30.2