For IO+DDR the wkup_r5fss0_core0 and the wkup_r5fss0_core0_lpm_metadata_region need to be accessed before RAM setup is done. These are used to read the lpm metadata region in which data is stored to resume. This needs to be done before RAM is in use to avoid overwriting data.
Signed-off-by: Markus Schneider-Pargmann (TI) <[email protected]> --- arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts index 6f2ee93c7be141ee5ae3f1e3324d3a060db069f6..5155f093437f35d815b2bf62429b57c9d8672290 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts @@ -75,6 +75,7 @@ wkup_r5fss0_core0_lpm_metadata_region: memory@9ca08000 { compatible = "shared-dma-pool"; reg = <0x00 0x9ca08000 0x00 0x1000>; no-map; + bootph-pre-ram; }; wkup_r5fss0_core0_lpm_rest_region: memory@9ca09000 { @@ -968,4 +969,5 @@ &wkup_r5fss0_core0 { memory-region-names = "dma", "ipc", "lpm-stub", "lpm-metadata", "lpm-context", "dm-firmware"; + bootph-pre-ram; }; -- 2.53.0
