diff options
| author | Łukasz Majewski <l.majewski@samsung.com> | 2013-07-12 17:08:25 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-07-16 13:20:16 (GMT) |
| commit | f4eaf88e6d48ab2d0f978a25b916b92acdfd1df4 (patch) | |
| tree | 5a8b408994431915a93757346ae134bb5816b8ee /arch | |
| parent | f4ea9f86d155aa7845f151c7a37699cdc3e4db2b (diff) | |
| download | u-boot-f4eaf88e6d48ab2d0f978a25b916b92acdfd1df4.tar.xz | |
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 <l.majewski@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Acked-by: Minkyu Kang <mk7.kang@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/clock.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c index 9f07181..5a5cfa1 100644 --- 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; } |