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Diffstat (limited to 'arch/arm/mach-s3c64xx/include/mach/pll.h')
-rw-r--r--arch/arm/mach-s3c64xx/include/mach/pll.h35
1 files changed, 3 insertions, 32 deletions
diff --git a/arch/arm/mach-s3c64xx/include/mach/pll.h b/arch/arm/mach-s3c64xx/include/mach/pll.h
index 90bbd72fdc4e..5ef0bb698ee0 100644
--- a/arch/arm/mach-s3c64xx/include/mach/pll.h
+++ b/arch/arm/mach-s3c64xx/include/mach/pll.h
@@ -20,6 +20,7 @@
#define S3C6400_PLL_SDIV_SHIFT (0)
#include <asm/div64.h>
+#include <plat/pll6553x.h>
static inline unsigned long s3c6400_get_pll(unsigned long baseclk,
u32 pllcon)
@@ -37,38 +38,8 @@ static inline unsigned long s3c6400_get_pll(unsigned long baseclk,
return (unsigned long)fvco;
}
-#define S3C6400_EPLL_MDIV_MASK ((1 << (23-16)) - 1)
-#define S3C6400_EPLL_PDIV_MASK ((1 << (13-8)) - 1)
-#define S3C6400_EPLL_SDIV_MASK ((1 << (2-0)) - 1)
-#define S3C6400_EPLL_MDIV_SHIFT (16)
-#define S3C6400_EPLL_PDIV_SHIFT (8)
-#define S3C6400_EPLL_SDIV_SHIFT (0)
-#define S3C6400_EPLL_KDIV_MASK (0xffff)
-
static inline unsigned long s3c6400_get_epll(unsigned long baseclk)
{
- unsigned long result;
- u32 epll0 = __raw_readl(S3C_EPLL_CON0);
- u32 epll1 = __raw_readl(S3C_EPLL_CON1);
- u32 mdiv, pdiv, sdiv, kdiv;
- u64 tmp;
-
- mdiv = (epll0 >> S3C6400_EPLL_MDIV_SHIFT) & S3C6400_EPLL_MDIV_MASK;
- pdiv = (epll0 >> S3C6400_EPLL_PDIV_SHIFT) & S3C6400_EPLL_PDIV_MASK;
- sdiv = (epll0 >> S3C6400_EPLL_SDIV_SHIFT) & S3C6400_EPLL_SDIV_MASK;
- kdiv = epll1 & S3C6400_EPLL_KDIV_MASK;
-
- /* We need to multiple baseclk by mdiv (the integer part) and kdiv
- * which is in 2^16ths, so shift mdiv up (does not overflow) and
- * add kdiv before multiplying. The use of tmp is to avoid any
- * overflows before shifting bac down into result when multipling
- * by the mdiv and kdiv pair.
- */
-
- tmp = baseclk;
- tmp *= (mdiv << 16) + kdiv;
- do_div(tmp, (pdiv << sdiv));
- result = tmp >> 16;
-
- return result;
+ return s3c_get_pll6553x(baseclk, __raw_readl(S3C_EPLL_CON0),
+ __raw_readl(S3C_EPLL_CON1));
}
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