Re: [PATCH 1/3] ARM: at91/soc: add basic support for new sama5d2 SoC

[Alexandre Belloni]

Hi,

On 18/06/2015 at 15:18:28 +0200, Nicolas Ferre wrote :
> diff --git a/Documentation/arm/Atmel/README b/Documentation/arm/Atmel/README
> index c53a19b4aab2..6650a8ffaa64 100644
> --- a/Documentation/arm/Atmel/README
> +++ b/Documentation/arm/Atmel/README
> @@ -90,6 +90,12 @@ the Atmel website: http://www.atmel.com.
>          + Datasheet
>            http://www.atmel.com/Images/Atmel-11238-32-bit-Cortex-A5-Microcontroller-SAMA5D4_Datasheet.pdf
>  
> +    * ARM Cortex-A5 + NEON based SoCs
> +      - sama5d2 family
> +        - sama5d27
> +        + Datasheet
> +          Coming soon

Shouldn't that go directly before or after the sama5d4 family ?

> diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
> index f1b157971366..140228d033c2 100644
> --- a/arch/arm/Kconfig.debug
> +++ b/arch/arm/Kconfig.debug
> @@ -141,6 +141,12 @@ choice
>  		depends on ARCH_AT91
>  		depends on SOC_SAMA5
>  
> +	config AT91_DEBUG_LL_DBGU3
> +		bool "Kernel low-level debugging on sama5d2"
> +		select DEBUG_AT91_UART
> +		depends on ARCH_AT91
> +		depends on SOC_SAMA5
> +

I think that at some point we'll have to kill those AT91_DEBUG_LL_*
which are actually board specific and not soc specific. I already have a
patch for that that I need to rebase.

> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
> index 43ec794d1057..e53780a28605 100644
> --- a/arch/arm/mach-at91/Kconfig
> +++ b/arch/arm/mach-at91/Kconfig
> @@ -8,6 +8,18 @@ menuconfig ARCH_AT91
>  	select SOC_BUS
>  
>  if ARCH_AT91
> +config SOC_SAMA5D2
> +	bool "SAMA5D2 family" if ARCH_MULTI_V7
> +	select SOC_SAMA5
> +	select CACHE_L2X0
> +	select HAVE_FB_ATMEL
> +	select HAVE_AT91_UTMI
> +	select HAVE_AT91_USB_CLK
> +	select HAVE_AT91_H32MX
> +	select HAVE_AT91_GENERATED

Seeing that, I think HAVE_AT91_GENERATED should include CLK somewhere in
the name as this is only related to clocks.


-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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