Hi, Pawe?:
On 2016?10?01? 22:09, =?UTF-8?q?Pawe=C5=82=20Jarosz?= wrote:
> For some reason accessing memory region above 0xfe000000 freezes
> system on rk3066. There is similiar bug on later rockchip soc (rk3288)
RK3066 only support 2GB memory from 0x60000000 to 0xE0000000, can not access
above 0xfe000000. I think you mean 0x9F000000?
> solved same way.
>
> Signed-off-by: Pawe? Jarosz <paweljarosz3691 at gmail.com>
> ---
> arch/arm/boot/dts/rk3066a.dtsi | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm/boot/dts/rk3066a.dtsi b/arch/arm/boot/dts/rk3066a.dtsi
> index 0d0dae3..44c8956 100644
> --- a/arch/arm/boot/dts/rk3066a.dtsi
> +++ b/arch/arm/boot/dts/rk3066a.dtsi
> @@ -93,6 +93,19 @@
> };
> };
>
> + reserved-memory {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> + /*
> + * The rk3066 cannot use the memory area above 0x9F000000
> + * for some unknown reason.
> + */
I don't remember RK3066 has such limit. I will double check with our IC
design team.
Do you know which master can not access this memory area
[0x9F000000~0xA0000000)?
> + unusable at 9F000000 {
> + reg = <0x9F000000 0x1000000>;
> + };
> + };
> +
> i2s0: i2s at 10118000 {
> compatible = "rockchip,rk3066-i2s";
> reg = <0x10118000 0x2000>;
