Re: [PATCH v6 04/11] arm64: dts: ti: k3-am62p-verdin: Fix wkup R5F memory region size

[Markus Schneider-Pargmann]

Hi,

On Tue Jun 9, 2026 at 8:56 PM CEST, Markus Schneider-Pargmann (TI) wrote:
> The wkup_r5fss0_core0_memory_region was reserved with only
> 0x0f00000 but the MCU SDK linker for the wkup R5F firmware on

This and the var-som patch incorrectly mention the reserved size to be
0x0f00000 in the commit message while it should say 0x01e00000. I will
fix the commit message with the next version.

Best
Markus

> AM62P defines the DM code/data DDR footprint differently:
>
>     /* DDR for DM R5F code/data [ size 27 MiB + 396 KB ] */
>     DDR                         : ORIGIN = 0x9CAA5000 LENGTH = 0x1B63000
>
> which results in an end at 0x9e608000. For this memory region which
> starts at 0x9c900000 this means a length of:
>
>     0x9e608000 - 0x9c900000 = 0x1d08000
>
> Link: https://github.com/TexasInstruments/mcupsdk-core-k3/blob/k3_main/examples/drivers/ipc/ipc_rpmsg_echo_linux/am62px-sk/wkup-r5fss0-0_freertos/ti-arm-clang/linker.cmd
> Fixes: 87f95ea316ac ("arm64: dts: ti: Add Toradex Verdin AM62P")
> Signed-off-by: Markus Schneider-Pargmann (TI) <msp@xxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi
> index 7ee894d59113aa727d41b7ecd6b2bc7e12760823..8a5ff5c457579c7b1be7157d235fd4b4e5c6af11 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62p-verdin.dtsi
> @@ -170,7 +170,7 @@ wkup_r5fss0_core0_dma_memory_region: memory@9c800000 {
>  
>  		wkup_r5fss0_core0_memory_region: memory@9c900000 {
>  			compatible = "shared-dma-pool";
> -			reg = <0x00 0x9c900000 0x00 0x01e00000>;
> +			reg = <0x00 0x9c900000 0x00 0x01d08000>;
>  			no-map;
>  		};
>  	};

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