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authorSam Nelson <sam.nelson@ti.com>2017-07-31 06:50:05 +0300
committerSantosh Shilimkar <ssantosh@kernel.org>2017-07-31 06:50:05 +0300
commit620eb21060879c653e1d2d72e83c53efa52374fc (patch)
tree04ec4f133b7f2cf8d0cda7c6f4fadd70bfa78767 /arch/arm/boot/dts/keystone-k2hk-evm.dts
parent7d856409db4e95fdf98660872d50d5c4ffbffb55 (diff)
downloadlinux-620eb21060879c653e1d2d72e83c53efa52374fc.tar.xz
ARM: dts: keystone-k2hk-evm: Add and enable common DSP CMA memory pool
A common CMA memory pool reserved memory node is added, and is attached to all the DSP nodes through the 'memory-region' property on the 66AK2H EVM board. This area will be used for allocating virtio rings and buffers. The common node allows the DSP Memory Protection and Address Extension (MPAX) module to be configured uniformly across all the DSP processors. The reserved memory node and all the user DSP nodes are also marked okay to enable the DSPs on the 66AK2K EVM board. Signed-off-by: Sam Nelson <sam.nelson@ti.com> Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/keystone-k2hk-evm.dts')
-rw-r--r--arch/arm/boot/dts/keystone-k2hk-evm.dts53
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/keystone-k2hk-evm.dts b/arch/arm/boot/dts/keystone-k2hk-evm.dts
index 2156ff92d08f..6dd13b98aaba 100644
--- a/arch/arm/boot/dts/keystone-k2hk-evm.dts
+++ b/arch/arm/boot/dts/keystone-k2hk-evm.dts
@@ -16,6 +16,19 @@
compatible = "ti,k2hk-evm", "ti,k2hk", "ti,keystone";
model = "Texas Instruments Keystone 2 Kepler/Hawking EVM";
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ dsp_common_memory: dsp-common-memory@81f800000 {
+ compatible = "shared-dma-pool";
+ reg = <0x00000008 0x1f800000 0x00000000 0x800000>;
+ reusable;
+ status = "okay";
+ };
+ };
+
soc {
clocks {
refclksys: refclksys {
@@ -184,3 +197,43 @@
reg = <1>;
};
};
+
+&dsp0 {
+ memory-region = <&dsp_common_memory>;
+ status = "okay";
+};
+
+&dsp1 {
+ memory-region = <&dsp_common_memory>;
+ status = "okay";
+};
+
+&dsp2 {
+ memory-region = <&dsp_common_memory>;
+ status = "okay";
+};
+
+&dsp3 {
+ memory-region = <&dsp_common_memory>;
+ status = "okay";
+};
+
+&dsp4 {
+ memory-region = <&dsp_common_memory>;
+ status = "okay";
+};
+
+&dsp5 {
+ memory-region = <&dsp_common_memory>;
+ status = "okay";
+};
+
+&dsp6 {
+ memory-region = <&dsp_common_memory>;
+ status = "okay";
+};
+
+&dsp7 {
+ memory-region = <&dsp_common_memory>;
+ status = "okay";
+};