[U-Boot] [PATCH V2 4/7] Tegra30: Add common CPU (shared) files

[Stephen Warren <swarren@wwwdotorg.org>]

On 12/03/2012 04:45 PM, Tom Warren wrote:
> These files are used by both SPL and main U-Boot.
> Also made minor changes to shared Tegra code to support
> T30 differences.

> diff --git a/arch/arm/cpu/tegra-common/ap.c b/arch/arm/cpu/tegra-common/ap.c

> +	case CHIPID_TEGRA30:
> +		switch (tegra_sku_id) {
> +		case SKU_ID_T30:
> +			/*
> +			 * T30 has two options. We will return TEGRA_SOC_T30
> +			 * until we have the fdt set up when it may change to
> +			 * TEGRA_SOC_T30_408MHZ depending on the PLLP freq.
> +			 */
> +			if (clock_get_rate(CLOCK_ID_PERIPH) == 408000000)
> +				return TEGRA_SOC_T30_408MHZ;
> +			else
> +				return TEGRA_SOC_T30;

Just for completeness, I'm going to mention again that I think this
should just return TEGRA_SOC_T30 all the time. Sorry if that's
belaboring the point!

I just noticed your recent email saying you got 408MHz working, so I
guess my comment is moot anyway:-)

> diff --git a/arch/arm/cpu/tegra-common/sys_info.c b/arch/arm/cpu/tegra-common/sys_info.c

>  /* Print CPU information */
>  int print_cpuinfo(void)
>  {
> +#if defined(CONFIG_TEGRA20)
>  	puts("TEGRA20\n");
> -
> +#else	/* Tegra30 */
> +	puts("TEGRA30\n");
> +#endif

This is fine, but the following wouldn't require editing again for
future chips:

puts(CONFIG_SYS_SOC);
puts("\n");

(although it ends up being all lower-case; perhaps there's some other
variable that is upper-case?)