[U-Boot] [PATCH v3 1/8] MX5: Add initial support for MX53 processor

Stefano Babic sbabic at denx.de
Thu Dec 30 13:09:05 CET 2010


On 12/29/2010 01:38 PM, Jason Liu wrote:
> Add initial support for Freescale MX53 processor,
> 
> - Add the iomux support and the pin definition,
> - Add the regs definition, clean up some unused def from mx51,
> - Add the low level init support, make use the freq input of setup_pll macro

Hi Jason,

> diff --git a/arch/arm/include/asm/arch-mx5/asm-offsets.h b/arch/arm/include/asm/arch-mx5/asm-offsets.h
> index afd2728..2258f2f 100644
> --- a/arch/arm/include/asm/arch-mx5/asm-offsets.h
> +++ b/arch/arm/include/asm/arch-mx5/asm-offsets.h
> @@ -37,7 +37,12 @@
>  #define CLKCTL_CCGR4            0x78
>  #define CLKCTL_CCGR5            0x7C
>  #define CLKCTL_CCGR6            0x80
> +#if defined(CONFIG_MX53)
> +#define CLKCTL_CCGR7            0x84
>  #define CLKCTL_CMEOR            0x84
> +#elif defined(CONFIG_MX51)
> +#define CLKCTL_CMEOR            0x84
> +#endif

It seems to me that CLKCTL_CMEOR should be dropped in the CONFIG_MX53
case, as its offset is reserved for CLKCTL_CCGR7.

> -/*!
>   * Number of GPIO port as defined in the IC Spec
>   */
>  #define GPIO_PORT_NUM		4

I see now that GPIO_PORT_NUM seems superfluous, and it is not used in
any part of code. Please drop it :-)

Best regards,
Stefano Babic

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