From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Analogously to the am654-base-board, configure the mailboxes for the two
R5F cores, add them and the already existing memory carve-outs to the
related MCU nodes. Allows to load applications under Linux onto the
cores, e.g. the RTI watchdog firmware.
Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
---
.../boot/dts/ti/k3-am65-iot2050-common.dtsi | 26 +++++++++++++++++--
1 file changed, 24 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
index 58c8e64d5885..b29537088289 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
@@ -658,11 +658,21 @@ &pcie1_ep {
};
&mailbox0_cluster0 {
- status = "disabled";
+ interrupts = <436>;
+
+ mbox_mcu_r5fss0_core0: mbox-mcu-r5fss0-core0 {
+ ti,mbox-tx = <1 0 0>;
+ ti,mbox-rx = <0 0 0>;
+ };
};
&mailbox0_cluster1 {
- status = "disabled";
+ interrupts = <432>;
+
+ mbox_mcu_r5fss0_core1: mbox-mcu-r5fss0-core1 {
+ ti,mbox-tx = <1 0 0>;
+ ti,mbox-rx = <0 0 0>;
+ };
};
&mailbox0_cluster2 {
@@ -705,6 +715,18 @@ &mailbox0_cluster11 {
status = "disabled";
};
+&mcu_r5fss0_core0 {
+ memory-region = <&mcu_r5fss0_core0_dma_memory_region>,
+ <&mcu_r5fss0_core0_memory_region>;
+ mboxes = <&mailbox0_cluster0 &mbox_mcu_r5fss0_core0>;
+};
+
+&mcu_r5fss0_core1 {
+ memory-region = <&mcu_r5fss0_core1_dma_memory_region>,
+ <&mcu_r5fss0_core1_memory_region>;
+ mboxes = <&mailbox0_cluster1 &mbox_mcu_r5fss0_core1>;
+};
+
&icssg0_mdio {
status = "disabled";
};
--
2.31.1
