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authorApurva Nandan <[email protected]>2023-10-01 23:44:17 +0530
committerVignesh Raghavendra <[email protected]>2023-10-05 20:44:41 +0530
commitc2e7258dbd451fff84fac2375aaec2f56f57f0b3 (patch)
treee08faee99e0824cf11695561d39b1aa97614f6bd
parent567f75ab67d0d1b5ef4a2ca9d28f23e0876e1d61 (diff)
arm64: dts: ti: k3-am69-sk: Add DDR carveout memory nodes for C71x DSP
Two carveout reserved memory nodes each have been added for each of the C71x DSP for the TI K3 AM69 SK boards. These nodes are assigned to the respective rproc device nodes as well. The first region will be used as the DMA pool for the rproc device, and the second region will furnish the static carveout regions for the firmware memory. The current carveout addresses and sizes are defined statically for each device. The C71x DSP processor supports a MMU called CMMU, but is not currently supported and as such requires the exact memory used by the firmware to be set-aside. Signed-off-by: Sinthu Raja <[email protected]> Signed-off-by: Apurva Nandan <[email protected]> Reviewed-by: Udit Kumar <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Vignesh Raghavendra <[email protected]>
-rw-r--r--arch/arm64/boot/dts/ti/k3-am69-sk.dts104
1 files changed, 104 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
index 3cde9c644613..bc1d21ff6d03 100644
--- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
@@ -143,6 +143,54 @@
reg = <0x00 0xa7100000 0x00 0xf00000>;
no-map;
};
+
+ c71_0_dma_memory_region: c71-dma-memory@a8000000 {
+ compatible = "shared-dma-pool";
+ reg = <0x00 0xa8000000 0x00 0x100000>;
+ no-map;
+ };
+
+ c71_0_memory_region: c71-memory@a8100000 {
+ compatible = "shared-dma-pool";
+ reg = <0x00 0xa8100000 0x00 0xf00000>;
+ no-map;
+ };
+
+ c71_1_dma_memory_region: c71-dma-memory@a9000000 {
+ compatible = "shared-dma-pool";
+ reg = <0x00 0xa9000000 0x00 0x100000>;
+ no-map;
+ };
+
+ c71_1_memory_region: c71-memory@a9100000 {
+ compatible = "shared-dma-pool";
+ reg = <0x00 0xa9100000 0x00 0xf00000>;
+ no-map;
+ };
+
+ c71_2_dma_memory_region: c71-dma-memory@aa000000 {
+ compatible = "shared-dma-pool";
+ reg = <0x00 0xaa000000 0x00 0x100000>;
+ no-map;
+ };
+
+ c71_2_memory_region: c71-memory@aa100000 {
+ compatible = "shared-dma-pool";
+ reg = <0x00 0xaa100000 0x00 0xf00000>;
+ no-map;
+ };
+
+ c71_3_dma_memory_region: c71-dma-memory@ab000000 {
+ compatible = "shared-dma-pool";
+ reg = <0x00 0xab000000 0x00 0x100000>;
+ no-map;
+ };
+
+ c71_3_memory_region: c71-memory@ab100000 {
+ compatible = "shared-dma-pool";
+ reg = <0x00 0xab100000 0x00 0xf00000>;
+ no-map;
+ };
};
vusb_main: regulator-vusb-main5v0 {
@@ -400,6 +448,34 @@
};
};
+&mailbox0_cluster4 {
+ status = "okay";
+ interrupts = <420>;
+ mbox_c71_0: mbox-c71-0 {
+ ti,mbox-rx = <0 0 0>;
+ ti,mbox-tx = <1 0 0>;
+ };
+
+ mbox_c71_1: mbox-c71-1 {
+ ti,mbox-rx = <2 0 0>;
+ ti,mbox-tx = <3 0 0>;
+ };
+};
+
+&mailbox0_cluster5 {
+ status = "okay";
+ interrupts = <416>;
+ mbox_c71_2: mbox-c71-2 {
+ ti,mbox-rx = <0 0 0>;
+ ti,mbox-tx = <1 0 0>;
+ };
+
+ mbox_c71_3: mbox-c71-3 {
+ ti,mbox-rx = <2 0 0>;
+ ti,mbox-tx = <3 0 0>;
+ };
+};
+
&wkup_uart0 {
/* Firmware usage */
status = "reserved";
@@ -562,3 +638,31 @@
memory-region = <&main_r5fss2_core1_dma_memory_region>,
<&main_r5fss2_core1_memory_region>;
};
+
+&c71_0 {
+ status = "okay";
+ mboxes = <&mailbox0_cluster4>, <&mbox_c71_0>;
+ memory-region = <&c71_0_dma_memory_region>,
+ <&c71_0_memory_region>;
+};
+
+&c71_1 {
+ status = "okay";
+ mboxes = <&mailbox0_cluster4>, <&mbox_c71_1>;
+ memory-region = <&c71_1_dma_memory_region>,
+ <&c71_1_memory_region>;
+};
+
+&c71_2 {
+ status = "okay";
+ mboxes = <&mailbox0_cluster5>, <&mbox_c71_2>;
+ memory-region = <&c71_2_dma_memory_region>,
+ <&c71_2_memory_region>;
+};
+
+&c71_3 {
+ status = "okay";
+ mboxes = <&mailbox0_cluster5>, <&mbox_c71_3>;
+ memory-region = <&c71_3_dma_memory_region>,
+ <&c71_3_memory_region>;
+};