diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs/davinci/cpu.c')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/cpu.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/davinci/cpu.c b/arch/arm/cpu/arm926ejs/davinci/cpu.c index 173555522..b3c9fb7b6 100644 --- a/arch/arm/cpu/arm926ejs/davinci/cpu.c +++ b/arch/arm/cpu/arm926ejs/davinci/cpu.c @@ -25,6 +25,8 @@ #include <asm/arch/hardware.h> #include <asm/io.h> +DECLARE_GLOBAL_DATA_PTR; + /* offsets from PLL controller base */ #define PLLC_PLLCTL 0x100 #define PLLC_PLLM 0x110 @@ -187,6 +189,36 @@ unsigned int davinci_clk_get(unsigned int div) #endif #endif /* !CONFIG_SOC_DA8XX */ +int set_cpu_clk_info(void) +{ +#ifdef CONFIG_SOC_DA8XX + gd->bd->bi_arm_freq = clk_get(DAVINCI_ARM_CLKID) / 1000000; + /* DDR PHY uses an x2 input clock */ + gd->bd->bi_ddr_freq = clk_get(0x10001) / 1000000; +#else + + unsigned int pllbase = DAVINCI_PLL_CNTRL0_BASE; +#if defined(CONFIG_SOC_DM365) + pllbase = DAVINCI_PLL_CNTRL1_BASE; +#endif + gd->bd->bi_arm_freq = pll_sysclk_mhz(pllbase, ARM_PLLDIV); + +#ifdef DSP_PLLDIV + gd->bd->bi_dsp_freq = + pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, DSP_PLLDIV); +#else + gd->bd->bi_dsp_freq = 0; +#endif + + pllbase = DAVINCI_PLL_CNTRL1_BASE; +#if defined(CONFIG_SOC_DM365) + pllbase = DAVINCI_PLL_CNTRL0_BASE; +#endif + gd->bd->bi_ddr_freq = pll_sysclk_mhz(pllbase, DDR_PLLDIV) / 2; +#endif + return 0; +} + /* * Initializes on-chip ethernet controllers. * to override, implement board_eth_init() |