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| author | Heiko Schocher <hs@denx.de> | 2011-11-01 20:00:33 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-11-03 22:56:25 +0100 |
| commit | 29b0bef54cf611baa6e6704c4f4b0d47f5fafb96 (patch) | |
| tree | d98e68a206ffc143f3fab3ceb9e8c12f1dd7fef4 /arch/arm/cpu/arm926ejs/davinci | |
| parent | 53d3b2ceedcf48c4264f5a7b2f98f31d1f1725bc (diff) | |
| download | u-boot-imx-29b0bef54cf611baa6e6704c4f4b0d47f5fafb96.zip u-boot-imx-29b0bef54cf611baa6e6704c4f4b0d47f5fafb96.tar.gz u-boot-imx-29b0bef54cf611baa6e6704c4f4b0d47f5fafb96.tar.bz2 | |
arm926ejs, davinci: add cpuinfo for dm365
Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Cc: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Diffstat (limited to 'arch/arm/cpu/arm926ejs/davinci')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/cpu.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/arch/arm/cpu/arm926ejs/davinci/cpu.c b/arch/arm/cpu/arm926ejs/davinci/cpu.c index 02819f6..9ea9785 100644 --- a/arch/arm/cpu/arm926ejs/davinci/cpu.c +++ b/arch/arm/cpu/arm926ejs/davinci/cpu.c @@ -146,13 +146,15 @@ static inline unsigned pll_prediv(volatile void *pllbase) return 8; else return pll_div(pllbase, PLLC_PREDIV); +#elif defined(CONFIG_SOC_DM365) + return pll_div(pllbase, PLLC_PREDIV); #endif return 1; } static inline unsigned pll_postdiv(volatile void *pllbase) { -#ifdef CONFIG_SOC_DM355 +#if defined(CONFIG_SOC_DM355) || defined(CONFIG_SOC_DM365) return pll_div(pllbase, PLLC_POSTDIV); #elif defined(CONFIG_SOC_DM6446) if (pllbase == (volatile void *)DAVINCI_PLL_CNTRL0_BASE) @@ -171,9 +173,13 @@ static unsigned pll_sysclk_mhz(unsigned pll_addr, unsigned div) #endif /* the PLL might be bypassed */ - if (REG(pllbase + PLLC_PLLCTL) & BIT(0)) { + if (readl(pllbase + PLLC_PLLCTL) & BIT(0)) { base /= pll_prediv(pllbase); +#if defined(CONFIG_SOC_DM365) + base *= 2 * (readl(pllbase + PLLC_PLLM) & 0x0ff); +#else base *= 1 + (REG(pllbase + PLLC_PLLM) & 0x0ff); +#endif base /= pll_postdiv(pllbase); } return DIV_ROUND_UP(base, 1000 * pll_div(pllbase, div)); @@ -184,8 +190,13 @@ int print_cpuinfo(void) /* REVISIT fetch and display CPU ID and revision information * too ... that will matter as more revisions appear. */ +#if defined(CONFIG_SOC_DM365) + printf("Cores: ARM %d MHz", + pll_sysclk_mhz(DAVINCI_PLL_CNTRL1_BASE, ARM_PLLDIV)); +#else printf("Cores: ARM %d MHz", pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, ARM_PLLDIV)); +#endif #ifdef DSP_PLLDIV printf(", DSP %d MHz", @@ -194,8 +205,13 @@ int print_cpuinfo(void) printf("\nDDR: %d MHz\n", /* DDR PHY uses an x2 input clock */ +#if defined(CONFIG_SOC_DM365) + pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, DDR_PLLDIV) + / 2); +#else pll_sysclk_mhz(DAVINCI_PLL_CNTRL1_BASE, DDR_PLLDIV) / 2); +#endif return 0; } @@ -205,6 +221,13 @@ unsigned int davinci_arm_clk_get() return pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, ARM_PLLDIV) * 1000000; } #endif + +#if defined(CONFIG_SOC_DM365) +unsigned int davinci_clk_get(unsigned int div) +{ + return pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, div) * 1000000; +} +#endif #endif /* CONFIG_DISPLAY_CPUINFO */ #endif /* !CONFIG_SOC_DA8XX */ |