Hi Heiko,
I already see a patch for printing cpu info for dm365(rather for all
davinci family) .
Link for the
patch<http://www.mail-archive.com/u-boot@lists.denx.de/msg65514.html>,
which is more cleaner.
Regards
--Prabhakar Lad
On Mon, Oct 31, 2011 at 10:23 AM, Heiko Schocher <h...@denx.de> wrote:
> Signed-off-by: Heiko Schocher <h...@denx.de>
> Cc: Albert ARIBAUD <albert.u.b...@aribaud.net>
> Cc: Sandeep Paulraj <s-paul...@ti.com>
>
> ---
> Changes for v2:
> - rebase to TOT
>
> arch/arm/cpu/arm926ejs/davinci/cpu.c | 27
> ++++++++++++++++++++++++-
> arch/arm/include/asm/arch-davinci/pll_defs.h | 4 +++
> 2 files changed, 29 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 */
>
> diff --git a/arch/arm/include/asm/arch-davinci/pll_defs.h
> b/arch/arm/include/asm/arch-davinci/pll_defs.h
> index 5d37616..606ed0b 100644
> --- a/arch/arm/include/asm/arch-davinci/pll_defs.h
> +++ b/arch/arm/include/asm/arch-davinci/pll_defs.h
> @@ -76,4 +76,8 @@ struct dv_pll_regs {
> #define dv_pll0_regs ((struct dv_pll_regs *)DAVINCI_PLL_CNTRL0_BASE)
> #define dv_pll1_regs ((struct dv_pll_regs *)DAVINCI_PLL_CNTRL1_BASE)
>
> +#define ARM_PLLDIV (offsetof(struct dv_pll_regs, plldiv2))
> +#define DDR_PLLDIV (offsetof(struct dv_pll_regs, plldiv7))
> +
> +unsigned int davinci_clk_get(unsigned int div);
> #endif /* _DV_PLL_DEFS_H_ */
> --
> 1.7.6.4
>
> _______________________________________________
> U-Boot mailing list
> U-Boot@lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
>
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
