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authorJaehoon Chung <jh80.chung@samsung.com>2014-05-16 13:59:50 +0900
committerMinkyu Kang <mk7.kang@samsung.com>2014-05-16 14:54:26 +0900
commit39c49756221b53f2672452bef1f4b00a8dbad49c (patch)
tree06f90ba206bfb34660ad30a15eb440f5ccc77c30 /arch/arm/include
parent58209dfaced619a53581c4d66d9791ce8316e0d5 (diff)
ARM: exynos: clock: modify the set_mmc_clk for exynos4
Modified the mmc_set_clock for eynos4. The goal of this patch is that fsys-div register should be reset. And retore the div-value, not using the value of lowlevel_init. (For using SDMMC4, this patch is needs) Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Tested-by: Lukasz Majewski <l.majewski@samsung.com> Acked-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/asm/arch-exynos/clk.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-exynos/clk.h b/arch/arm/include/asm/arch-exynos/clk.h
index cdeef324cce..ffbc07e228c 100644
--- a/arch/arm/include/asm/arch-exynos/clk.h
+++ b/arch/arm/include/asm/arch-exynos/clk.h
@@ -16,6 +16,11 @@
#define BPLL 5
#define RPLL 6
+#define MASK_PRE_RATIO(x) (0xff << ((x << 4) + 8))
+#define MASK_RATIO(x) (0xf << (x << 4))
+#define SET_PRE_RATIO(x, y) ((y & 0xff) << ((x << 4) + 8))
+#define SET_RATIO(x, y) ((y & 0xf) << (x << 4))
+
enum pll_src_bit {
EXYNOS_SRC_MPLL = 6,
EXYNOS_SRC_EPLL,