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

arm64: dts: ti: phycore-am64: Add R5F DMA Region and Mailboxes

Browse Source 
Communication between the R5F subsystem and Linux takes place using DMA
memory regions and mailboxes. Here we add DT nodes for the memory
regions and mailboxes to facilitate communication between the R5
clusters and Linux as remoteproc will fail to start if no memory
regions or mailboxes are provided.

Fixes: c48ac0efe6d7 ("arm64: dts: ti: Add support for phyBOARD-Electra-AM642")
Signed-off-by: Garrett Giordano <ggiordano@phytec.com>
Reviewed-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://lore.kernel.org/r/20231204212304.1736306-1-ggiordano@phytec.com
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Garrett Giordano 2023-12-04 13:23:04 -08:00 committed by Nishanth Menon
parent b0044823a6
commit 5709a6809a
1 changed files with 101 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

102
arch/arm64/boot/dts/ti/k3-am64-phycore-som.dtsi
View File

@ -29,7 +29,7 @@
reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
};
reserved-memory {
reserved_memory: reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;
@ -39,6 +39,54 @@
alignment = <0x1000>;
no-map;
};
main_r5fss0_core0_dma_memory_region: r5f-dma-memory@a0000000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa0000000 0x00 0x100000>;
no-map;
};
main_r5fss0_core0_memory_region: r5f-memory@a0100000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa0100000 0x00 0xf00000>;
no-map;
};
main_r5fss0_core1_dma_memory_region: r5f-dma-memory@a1000000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa1000000 0x00 0x100000>;
no-map;
};
main_r5fss0_core1_memory_region: r5f-memory@a1100000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa1100000 0x00 0xf00000>;
no-map;
};
main_r5fss1_core0_dma_memory_region: r5f-dma-memory@a2000000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa2000000 0x00 0x100000>;
no-map;
};
main_r5fss1_core0_memory_region: r5f-memory@a2100000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa2100000 0x00 0xf00000>;
no-map;
};
main_r5fss1_core1_dma_memory_region: r5f-dma-memory@a3000000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa3000000 0x00 0x100000>;
no-map;
};
main_r5fss1_core1_memory_region: r5f-memory@a3100000 {
compatible = "shared-dma-pool";
reg = <0x00 0xa3100000 0x00 0xf00000>;
no-map;
};
};
leds {
@ -166,6 +214,34 @@
status = "disabled";
};
&mailbox0_cluster2 {
status = "okay";
mbox_main_r5fss0_core0: mbox-main-r5fss0-core0 {
ti,mbox-rx = <0 0 2>;
ti,mbox-tx = <1 0 2>;
};
mbox_main_r5fss0_core1: mbox-main-r5fss0-core1 {
ti,mbox-rx = <2 0 2>;
ti,mbox-tx = <3 0 2>;
};
};
&mailbox0_cluster4 {
status = "okay";
mbox_main_r5fss1_core0: mbox-main-r5fss1-core0 {
ti,mbox-rx = <0 0 2>;
ti,mbox-tx = <1 0 2>;
};
mbox_main_r5fss1_core1: mbox-main-r5fss1-core1 {
ti,mbox-rx = <2 0 2>;
ti,mbox-tx = <3 0 2>;
};
};
&main_i2c0 {
status = "okay";
pinctrl-names = "default";
@ -191,6 +267,30 @@
};
};
&main_r5fss0_core0 {
mboxes = <&mailbox0_cluster2 &mbox_main_r5fss0_core0>;
memory-region = <&main_r5fss0_core0_dma_memory_region>,
<&main_r5fss0_core0_memory_region>;
};
&main_r5fss0_core1 {
mboxes = <&mailbox0_cluster2 &mbox_main_r5fss0_core1>;
memory-region = <&main_r5fss0_core1_dma_memory_region>,
<&main_r5fss0_core1_memory_region>;
};
&main_r5fss1_core0 {
mboxes = <&mailbox0_cluster4 &mbox_main_r5fss1_core0>;
memory-region = <&main_r5fss1_core0_dma_memory_region>,
<&main_r5fss1_core0_memory_region>;
};
&main_r5fss1_core1 {
mboxes = <&mailbox0_cluster4 &mbox_main_r5fss1_core1>;
memory-region = <&main_r5fss1_core1_dma_memory_region>,
<&main_r5fss1_core1_memory_region>;
};
&ospi0 {
status = "okay";
pinctrl-names = "default";