[PATCH 2/4] arch: arm: dts: k3-j721s2-r5: Override ospi and fss for 32-bit mode

[Apurva Nandan]

On 01/04/24 11:16, Manorit Chawdhry wrote:
> R5 being a 32-bit processor can't understand the 64-bit mapping being
> done in ospi node. Override the ospi node for 32-bit register ranges and
> the fss node ( the parent node of ospi ) to map the ranges for the
> updated child node correctly.
>
> Signed-off-by: Manorit Chawdhry <m-chawdhry at ti.com>
> ---
>   arch/arm/dts/k3-j721s2-r5-common-proc-board.dts | 13 +++++++++++++
>   1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts b/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts
> index 03bd680f4421..5c4b34915ccf 100644
> --- a/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts
> +++ b/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts
> @@ -86,3 +86,16 @@
>   &mcu_udmap {
>   	ti,sci = <&dm_tifs>;
>   };
> +
> +&ospi0 {
> +		reg = <0x0 0x47040000 0x0 0x100>,
> +			  <0x0 0x50000000 0x0 0x8000000>;
> +};
> +
> +&fss {
> +	/* fss node has 64 bit address regions mapped to it and since the ospi
> +	 * nodes is being override, override the fss node ranges as well
> +	 */
> +	ranges = <0x0 0x47000000 0x0 0x47000000 0x0 0x00068400>,
> +			 <0x0 0x50000000 0x0 0x50000000 0x0 0x08000000>;
> +};
>

Reviewed-by: Apurva Nandan <a-nandan at ti.com>

-- 
Thanks and regards,
Apurva Nandan,
Texas Instruments India.