github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-02 11:33:28 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

arm64: dts: ti: k3-am62-pocketbeagle2: Add missing cfg for TI IPC Firmware

Browse Source 
The wkup_r5fss0_core0_memory_region is used to store the text/data
sections of the Device Manager (DM) firmware itself and is necessary for
platform boot. Whereas the wkup_r5fss0_core0_dma_memory_region is used
for allocating the Virtio buffers needed for IPC with the DM core which
could be optional. The labels were incorrectly used in the
k3-am62-pocketbeagle2.dts file. Correct the firmware memory region label

Currently, only mailbox node is enabled with FIFO assignment for a
single M4F remote core. Add the missing carveouts for WKUP R5F remote
processor, and enable that by associating to the above carveout and
mailbox. This config aligns with other AM62 boards and can be
refactored out later.

Signed-off-by: Beleswar Padhi <b-padhi@ti.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Link: https://patch.msgid.link/20250908142826.1828676-18-b-padhi@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Beleswar Padhi 2025-09-08 19:58:09 +05:30 committed by Nishanth Menon
parent a49f991e74
commit 6104984a7d
1 changed files with 23 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
arch/arm64/boot/dts/ti/k3-am62-pocketbeagle2.dts
View File

@ -78,7 +78,13 @@ secure_ddr: optee@9e800000 {
no-map;
};
wkup_r5fss0_core0_dma_memory_region: memory@9db00000 {
wkup_r5fss0_core0_dma_memory_region: memory@9da00000 {
compatible = "shared-dma-pool";
reg = <0x00 0x9da00000 0x00 0x100000>;
no-map;
};
wkup_r5fss0_core0_memory_region: memory@9db00000 {
compatible = "shared-dma-pool";
reg = <0x00 0x9db00000 0x00 0xc00000>;
no-map;
@ -299,6 +305,11 @@ mbox_m4_0: mbox-m4-0 {
ti,mbox-rx = <0 0 0>;
ti,mbox-tx = <1 0 0>;
};
mbox_r5_0: mbox-r5-0 {
ti,mbox-rx = <2 0 0>;
ti,mbox-tx = <3 0 0>;
};
};
&main_uart0 {
@ -358,6 +369,17 @@ &mcu_m4fss {
status = "okay";
};
&wkup_r5fss0 {
status = "okay";
};
&wkup_r5fss0_core0 {
mboxes = <&mailbox0_cluster0 &mbox_r5_0>;
memory-region = <&wkup_r5fss0_core0_dma_memory_region>,
<&wkup_r5fss0_core0_memory_region>;
status = "okay";
};
&mcu_pmx0 {
wkup_uart0_pins_default: wkup-uart0-default-pins {
pinctrl-single,pins = <