From: Peng Fan <[email protected]>
Add reserved memory node for rpmsg
Enable CM33 node with mailbox property included for doorbell.
Signed-off-by: Peng Fan <[email protected]>
---
.../boot/dts/freescale/imx93-11x11-evk.dts | 42 +++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
index 359ae86f4e7e..5050848a8837 100644
--- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
@@ -27,6 +27,38 @@ linux,cma {
size = <0 0x10000000>;
linux,cma-default;
};
+
+ vdev0vring0: vdev0vring0@a4000000 {
+ reg = <0 0xa4000000 0 0x8000>;
+ no-map;
+ };
+
+ vdev0vring1: vdev0vring1@a4008000 {
+ reg = <0 0xa4008000 0 0x8000>;
+ no-map;
+ };
+
+ vdev1vring0: vdev1vring0@a4000000 {
+ reg = <0 0xa4010000 0 0x8000>;
+ no-map;
+ };
+
+ vdev1vring1: vdev1vring1@a4018000 {
+ reg = <0 0xa4018000 0 0x8000>;
+ no-map;
+ };
+
+ rsc_table: rsc-table@2021f000 {
+ reg = <0 0x2021f000 0 0x1000>;
+ no-map;
+ };
+
+ vdevbuffer: vdevbuffer@a4020000 {
+ compatible = "shared-dma-pool";
+ reg = <0 0xa4020000 0 0x100000>;
+ no-map;
+ };
+
};
reg_vref_1v8: regulator-adc-vref {
@@ -107,6 +139,16 @@ &lpuart1 { /* console */
status = "okay";
};
+&{/remoteproc-cm33} {
+ mbox-names = "tx", "rx", "rxdb";
+ mboxes = <&mu1 0 1
+ &mu1 1 1
+ &mu1 3 1>;
+ memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>,
+ <&vdev1vring0>, <&vdev1vring1>, <&rsc_table>;
+ status = "okay";
+};
+
&usdhc1 {
pinctrl-names = "default", "state_100mhz", "state_200mhz";
pinctrl-0 = <&pinctrl_usdhc1>;
--
2.37.1
> Subject: Re: [PATCH 4/4] arm64: dts: imx93: enable CM33 for 11x11 EVK
>
> On 25/06/2023 12:55, Peng Fan (OSS) wrote:
> > From: Peng Fan <[email protected]>
> >
> > Add reserved memory node for rpmsg
> > Enable CM33 node with mailbox property included for doorbell.
> >
> > Signed-off-by: Peng Fan <[email protected]>
>
> ...
>
> > };
> >
> > reg_vref_1v8: regulator-adc-vref {
> > @@ -107,6 +139,16 @@ &lpuart1 { /* console */
> > status = "okay";
> > };
> >
> > +&{/remoteproc-cm33} {
>
> That's not proper reference by label.
Ok, will give it a true lable, such as "cm33"
>
> > + mbox-names = "tx", "rx", "rxdb";
> > + mboxes = <&mu1 0 1
> > + &mu1 1 1
> > + &mu1 3 1>;
>
> Three entries, not one. Anyway, why mboxes depend on the board? This is
> quite surprising.
The m33 firmware delivered by NXP use MU1 for doorbell, but others may
use other MUs, or even not use MUs. So I put it in board dts just for
NXP boards.
Thanks,
Peng.
>
> Best regards,
> Krzysztof
On 25/06/2023 12:55, Peng Fan (OSS) wrote:
> From: Peng Fan <[email protected]>
>
> Add reserved memory node for rpmsg
> Enable CM33 node with mailbox property included for doorbell.
>
> Signed-off-by: Peng Fan <[email protected]>
...
> };
>
> reg_vref_1v8: regulator-adc-vref {
> @@ -107,6 +139,16 @@ &lpuart1 { /* console */
> status = "okay";
> };
>
> +&{/remoteproc-cm33} {
That's not proper reference by label.
> + mbox-names = "tx", "rx", "rxdb";
> + mboxes = <&mu1 0 1
> + &mu1 1 1
> + &mu1 3 1>;
Three entries, not one. Anyway, why mboxes depend on the board? This is
quite surprising.
Best regards,
Krzysztof
On 25/06/2023 13:23, Peng Fan wrote:
>>
>> Three entries, not one. Anyway, why mboxes depend on the board? This is
>> quite surprising.
>
> The m33 firmware delivered by NXP use MU1 for doorbell, but others may
> use other MUs, or even not use MUs. So I put it in board dts just for
> NXP boards.
OK
Best regards,
Krzysztof