arm:exynos:fix: Fix clock calculation for Exynos4210 based targets.

Provide proper setting for the APLL fout frequency calculation for
Exynos4 based targets (especially Exynos4210 - Trats board).

Signed-off-by: Lukasz Majewski <[email protected]>
Cc: Minkyu Kang <[email protected]>
Acked-by: Minkyu Kang <[email protected]>
Acked-by: Simon Glass <[email protected]>
Tested-by: Simon Glass <[email protected]>

diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c
index 9f07181988626e416b73ca192a6390f50591fd38..5a5cfa1d36a30e850fc49b157978cef1b3ef727d 100644 (file)
--- a/arch/arm/cpu/armv7/exynos/clock.c
+++ b/arch/arm/cpu/armv7/exynos/clock.c
@@ -141,18 +141,17 @@ static int exynos_get_pll_clk(int pllreg, unsigned int r, unsigned int k)
                fout = (m + k / div) * (freq / (p * (1 << s)));
        } else {
                /*
-                * Exynos4210
+                * Exynos4412 / Exynos5250
                 * FOUT = MDIV * FIN / (PDIV * 2^SDIV)
                 *
-                * Exynos4412 / Exynos5250
+                * Exynos4210
                 * FOUT = MDIV * FIN / (PDIV * 2^(SDIV-1))
                 */
                if (proid_is_exynos4210())
-                       fout = m * (freq / (p * (1 << s)));
-               else
                        fout = m * (freq / (p * (1 << (s - 1))));
+               else
+                       fout = m * (freq / (p * (1 << s)));
        }
-
        return fout;
 }