[PATCH v6 02/11] arm64: dts: ti: k3-am62d2-evm: Fix wkup R5F memory region size

Markus Schneider-Pargmann (TI) msp at baylibre.com
Tue Jun 9 11:56:14 PDT 2026


The wkup_r5fss0_core0_memory_region was reserved with only
0x0f00000 but the MCU SDK linker for the wkup R5F firmware on
AM62A defines the DM code/data DDR footprint differently:

    /* DDR for DM R5F code/data [ size 27 MiB + 364 KB ] */
    DDR                         : ORIGIN = 0x9CAA5000 LENGTH = 0x1B5B000

which results in an end at 0x9e600000. For this memory region which
starts at 0x9c900000 this means a length of:

    0x9e600000 - 0x9c900000 = 0x1d00000

Link: https://github.com/TexasInstruments/mcupsdk-core-k3/blob/k3_main/examples/drivers/ipc/ipc_rpmsg_echo_linux/am62ax-sk/r5fss0-0_freertos/ti-arm-clang/linker.cmd
Fixes: 1544bca2f188 ("arm64: dts: ti: Add support for AM62D2-EVM")
Signed-off-by: Markus Schneider-Pargmann (TI) <msp at baylibre.com>
---
 arch/arm64/boot/dts/ti/k3-am62d2-evm.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
index f5ceb6a1b5debabf1ead67eea634b48db1540186..463a3f6130b8f2927a032137e87c01df446cffda 100644
--- a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
@@ -67,7 +67,7 @@ wkup_r5fss0_core0_dma_memory_region: memory at 9c800000 {
 
 		wkup_r5fss0_core0_memory_region: memory at 9c900000 {
 			compatible = "shared-dma-pool";
-			reg = <0x00 0x9c900000 0x00 0xf00000>;
+			reg = <0x00 0x9c900000 0x00 0x01d00000>;
 			no-map;
 			bootph-pre-ram;
 		};

-- 
2.53.0




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