diff options
Diffstat (limited to 'arch/arm/cpu/arm1136/mx31/generic.c')
| -rw-r--r-- | arch/arm/cpu/arm1136/mx31/generic.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/arm/cpu/arm1136/mx31/generic.c b/arch/arm/cpu/arm1136/mx31/generic.c index 8873fb719d..93f429cc52 100644 --- a/arch/arm/cpu/arm1136/mx31/generic.c +++ b/arch/arm/cpu/arm1136/mx31/generic.c @@ -22,6 +22,7 @@ */ #include <common.h> +#include <div64.h> #include <asm/arch/imx-regs.h> #include <asm/arch/clock.h> #include <asm/io.h> @@ -30,16 +31,17 @@ static u32 mx31_decode_pll(u32 reg, u32 infreq) { u32 mfi = GET_PLL_MFI(reg); - u32 mfn = GET_PLL_MFN(reg); + s32 mfn = GET_PLL_MFN(reg); u32 mfd = GET_PLL_MFD(reg); u32 pd = GET_PLL_PD(reg); mfi = mfi <= 5 ? 5 : mfi; + mfn = mfn >= 512 ? mfn - 1024 : mfn; mfd += 1; pd += 1; - return ((2 * (infreq >> 10) * (mfi * mfd + mfn)) / - (mfd * pd)) << 10; + return lldiv(2 * (u64)infreq * (mfi * mfd + mfn), + mfd * pd); } static u32 mx31_get_mpl_dpdgck_clk(void) @@ -47,9 +49,9 @@ static u32 mx31_get_mpl_dpdgck_clk(void) u32 infreq; if ((readl(CCM_CCMR) & CCMR_PRCS_MASK) == CCMR_FPM) - infreq = CONFIG_MX31_CLK32 * 1024; + infreq = MXC_CLK32 * 1024; else - infreq = CONFIG_MX31_HCLK_FREQ; + infreq = MXC_HCLK; return mx31_decode_pll(readl(CCM_MPCTL), infreq); } |