On 9/12/2023 2:30 PM, Marco Felsch wrote:
Hi Iuliana,
On 23-09-12, Iuliana Prodan (OSS) wrote:
From: Iuliana Prodan <iuliana.prodan@xxxxxxx>
Add the reserve-memory nodes used by DSP when the rpmsg
feature is enabled.
These can be later used in a dsp node, like:
dsp: dsp@3b6e8000 {
compatible = "fsl,imx8mp-dsp";
reg = <0x3b6e8000 0x88000>;
mbox-names = "tx0", "rx0", "rxdb0";
mboxes = <&mu2 2 0>, <&mu2 2 1>,
<&mu2 3 0>, <&mu2 3 1>;
memory-region = <&dsp_vdev0buffer>, <&dsp_vdev0vring0>,
<&dsp_vdev0vring1>, <&dsp_reserved>;
status = "okay";
};
Signed-off-by: Iuliana Prodan <iuliana.prodan@xxxxxxx>
---
arch/arm64/boot/dts/freescale/imx8mp.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index cc406bb338fe..eedc1921af62 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -210,6 +210,18 @@
dsp_reserved: dsp@92400000 {
reg = <0 0x92400000 0 0x2000000>;
no-map;
This seems broken.
You're right.
Already answered to this here:
https://www.mail-archive.com/linux-kernel@xxxxxxxxxxxxxxx/msg2558691.html
Thanks,
Iulia
Regards,
Marco
+ dsp_vdev0vring0: vdev0vring0@942f0000 {
+ reg = <0 0x942f0000 0 0x8000>;
+ no-map;
+ };
+ dsp_vdev0vring1: vdev0vring1@942f8000 {
+ reg = <0 0x942f8000 0 0x8000>;
+ no-map;
+ };
+ dsp_vdev0buffer: vdev0buffer@94300000 {
+ compatible = "shared-dma-pool";
+ reg = <0 0x94300000 0 0x100000>;
+ no-map;
};
};
--
2.17.1
