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Diffstat (limited to 'arch/arm/plat-s5p/include/plat/pll.h')
-rw-r--r--arch/arm/plat-s5p/include/plat/pll.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/plat-s5p/include/plat/pll.h b/arch/arm/plat-s5p/include/plat/pll.h
index d48325bb29e2..7db322726bc2 100644
--- a/arch/arm/plat-s5p/include/plat/pll.h
+++ b/arch/arm/plat-s5p/include/plat/pll.h
@@ -81,3 +81,25 @@ static inline unsigned long s5p_get_pll90xx(unsigned long baseclk,
return result;
}
+
+#define PLL65XX_MDIV_MASK (0x3FF)
+#define PLL65XX_PDIV_MASK (0x3F)
+#define PLL65XX_SDIV_MASK (0x7)
+#define PLL65XX_MDIV_SHIFT (16)
+#define PLL65XX_PDIV_SHIFT (8)
+#define PLL65XX_SDIV_SHIFT (0)
+
+static inline unsigned long s5p_get_pll65xx(unsigned long baseclk, u32 pll_con)
+{
+ u32 mdiv, pdiv, sdiv;
+ u64 fvco = baseclk;
+
+ mdiv = (pll_con >> PLL65XX_MDIV_SHIFT) & PLL65XX_MDIV_MASK;
+ pdiv = (pll_con >> PLL65XX_PDIV_SHIFT) & PLL65XX_PDIV_MASK;
+ sdiv = (pll_con >> PLL65XX_SDIV_SHIFT) & PLL65XX_SDIV_MASK;
+
+ fvco *= mdiv;
+ do_div(fvco, (pdiv << sdiv));
+
+ return (unsigned long)fvco;
+}
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