leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

arm64: dts: ti: k3-j721e-som-p0: Add mailboxes to R5Fs

Browse Source 
Add the required 'mboxes' property to all the R5F processors for the
TI J721E common processor board. The mailboxes and some shared memory
are required for running the Remote Processor Messaging (RPMsg) stack
between the host processor and each of the R5Fs. The nodes are therefore
added in the common k3-j721e-som-p0.dtsi file so that all of these can
be co-located.

The chosen sub-mailboxes match the values used in the current firmware
images. This can be changed, if needed, as per the system integration
needs after making appropriate changes on the firmware side as well.

Note that any R5F Core1 resources are needed and used only when that
R5F cluster is configured for Split-mode.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Link: https://lore.kernel.org/r/20201029033802.15366-8-s-anna@ti.com
This commit is contained in:
Suman Anna 2020-10-28 22:38:01 -05:00 committed by Nishanth Menon
parent df445ff9de
commit 2879b593c3
1 changed files with 25 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2019 Texas Instruments Incorporated - https://www.ti.com/
* Copyright (C) 2019-2020 Texas Instruments Incorporated - https://www.ti.com/
*/
/dts-v1/;
@ -208,6 +208,30 @@
status = "disabled";
};
&mcu_r5fss0_core0 {
mboxes = <&mailbox0_cluster0 &mbox_mcu_r5fss0_core0>;
};
&mcu_r5fss0_core1 {
mboxes = <&mailbox0_cluster0 &mbox_mcu_r5fss0_core1>;
};
&main_r5fss0_core0 {
mboxes = <&mailbox0_cluster1 &mbox_main_r5fss0_core0>;
};
&main_r5fss0_core1 {
mboxes = <&mailbox0_cluster1 &mbox_main_r5fss0_core1>;
};
&main_r5fss1_core0 {
mboxes = <&mailbox0_cluster2 &mbox_main_r5fss1_core0>;
};
&main_r5fss1_core1 {
mboxes = <&mailbox0_cluster2 &mbox_main_r5fss1_core1>;
};
&c66_0 {
mboxes = <&mailbox0_cluster3 &mbox_c66_0>;
memory-region = <&c66_0_dma_memory_region>,