meta-digi/meta-digi-arm/recipes-bsp/u-boot/u-boot-dey/ccmp25-dvk/0001-ARM-dts-ccmp25-add-sig...

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From: Arturo Buzarra <arturo.buzarra@digi.com>
Date: Wed, 18 Mar 2026 15:26:07 +0100
Subject: [PATCH] ARM: dts: ccmp25: add signed firmware support for RPROC
Declare only the shared memory used for inter-processor communication
(including the resource table) to allow remoteproc to load/authenticate signed
Cortex-M33 firmware.
https://onedigi.atlassian.net/browse/DEL-9813
Signed-off-by: Arturo Buzarra <arturo.buzarra@digi.com>
---
arch/arm/dts/ccmp25.dtsi | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/arch/arm/dts/ccmp25.dtsi b/arch/arm/dts/ccmp25.dtsi
index cdbc26efabc..b0a91cb0180 100644
--- a/arch/arm/dts/ccmp25.dtsi
+++ b/arch/arm/dts/ccmp25.dtsi
@@ -246,11 +246,8 @@
&m33_rproc {
mboxes = <&ipcc1 0x100>, <&ipcc1 0x101>, <&ipcc1 2>;
mbox-names = "vq0", "vq1", "shutdown";
- memory-region = <&cm33_cube_fw>, <&cm33_cube_data>,
- <&ipc_shmem_1>, <&vdev0vring0>,
- <&vdev0vring1>, <&vdev0buffer>,
- <&cm33_sram2>;
- st,syscfg-nsvtor = <&a35ss_syscfg 0x20a8 0xffffff80>;
+ compatible = "st,stm32mp2-m33-tee";
+ memory-region = <&vdev0vring0>, <&vdev0vring1>, <&vdev0buffer>, <&ipc_shmem_1>;
status = "okay";
};