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-chawd...@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-nan...@ti.com> -- Thanks and regards, Apurva Nandan, Texas Instruments India.