Hi,
On 13/01/2015 at 19:12:24 +0100, Alexandre Belloni wrote :
> diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi
> b/arch/arm/boot/dts/at91sam9rl.dtsi
> index 72424371413e..c055da2f151f 100644
> --- a/arch/arm/boot/dts/at91sam9rl.dtsi
> +++ b/arch/arm/boot/dts/at91sam9rl.dtsi
> @@ -70,6 +70,11 @@
> };
> };
>
> + sram: sram@00300000 {
> + compatible = "mmio-sram";
> + reg = <0x00300000 0x4000>;
> + };
> +
Actually, I'm not sure about the sam9rl. The previous code was doing:
switch (at91_soc_initdata.cidr & AT91_CIDR_SRAMSIZ) {
case AT91_CIDR_SRAMSIZ_32K:
sram_size = 2 * SZ_16K;
break;
case AT91_CIDR_SRAMSIZ_16K:
default:
sram_size = SZ_16K;
}
So the SRAM size should be 16k or 32k but what I get from the only cidr
registered for sam9rl (0x019b03a0, also from the datasheet) is SRAMSIZ=
0xb which give 64k. Could you confirm?
Thanks,
--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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