meta-digi/meta-digi-arm/recipes-kernel/linux/linux-dey/ccmp1/0001-ARM-dts-ccmp15-add-sig...

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1.4 KiB
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From: Arturo Buzarra <arturo.buzarra@digi.com>
Date: Tue, 4 Nov 2025 09:03:31 +0100
Subject: [PATCH] ARM: dts: ccmp15: 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-M4 firmware.
https://onedigi.atlassian.net/browse/DEL-9920
Signed-off-by: Arturo Buzarra <arturo.buzarra@digi.com>
---
arch/arm/boot/dts/digi/ccmp15.dtsi | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/arch/arm/boot/dts/digi/ccmp15.dtsi b/arch/arm/boot/dts/digi/ccmp15.dtsi
index 6f636dbf6ece..dd26d6d3d420 100644
--- a/arch/arm/boot/dts/digi/ccmp15.dtsi
+++ b/arch/arm/boot/dts/digi/ccmp15.dtsi
@@ -414,14 +414,13 @@ &ipcc {
};
&m4_rproc {
- memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
- <&vdev0vring1>, <&vdev0buffer>, <&mcu_rsc_table>;
+ compatible = "st,stm32mp1-m4-tee";
+ memory-region = <&vdev0vring0>, <&vdev0vring1>, <&vdev0buffer>, <&mcu_rsc_table>;
mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>, <&ipcc 3>;
mbox-names = "vq0", "vq1", "shutdown", "detach";
- resets = <&scmi_reset RST_SCMI_MCU>,
- <&scmi_reset RST_SCMI_MCU_HOLD_BOOT>;
- reset-names = "mcu_rst", "hold_boot";
/delete-property/ st,syscfg-holdboot;
+ /delete-property/ resets;
+ /delete-property/ reset-names;
interrupt-parent = <&exti>;
interrupts = <68 1>;
wakeup-source;