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 <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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 <mmc.h>
#include <asm/io.h>
#include <asm/arch/mmc.h>
+#include <asm/arch/clk.h>
/* support 4 mmc hosts */
struct mmc mmc_dev[4];
@@ -291,6 +292,8 @@
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 @@
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;