From 68a8cbfad93241387ee1385b9d19e3e2b7919c4e Mon Sep 17 00:00:00 2001 From: Jaehoon Chung Date: Tue, 17 May 2011 21:19:17 +0000 Subject: S5P: add set_mmc_clk for external clock control This patch added set_mmc_clk for external clock control. c210 didn't support host clock control. So We need external_clock_control function for c210. Signed-off-by: Jaehoon Chung Signed-off-by: Minkyu Kang Signed-off-by: Kyungmin Park --- drivers/mmc/s5p_mmc.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/mmc') diff --git a/drivers/mmc/s5p_mmc.c b/drivers/mmc/s5p_mmc.c index 86447e0..280738f 100644 --- a/drivers/mmc/s5p_mmc.c +++ b/drivers/mmc/s5p_mmc.c @@ -22,6 +22,7 @@ #include #include #include +#include /* support 4 mmc hosts */ struct mmc mmc_dev[4]; @@ -291,6 +292,8 @@ static void mmc_change_clock(struct mmc_host *host, uint clock) clk = (div << 8) | (1 << 0); writew(clk, &host->reg->clkcon); + set_mmc_clk(host->dev_index, div); + /* Wait max 10 ms */ timeout = 10; while (!(readw(&host->reg->clkcon) & (1 << 1))) { @@ -464,6 +467,7 @@ static int s5p_mmc_initialize(int dev_index, int bus_width) mmc->f_min = 400000; mmc->f_max = 52000000; + mmc_host[dev_index].dev_index = dev_index; mmc_host[dev_index].clock = 0; mmc_host[dev_index].reg = s5p_get_base_mmc(dev_index); mmc->b_max = 0; -- cgit v1.1