[PATCH] airoha: Add new target platform

[Daniel Danzberger]

On Wed, 2022-07-27 at 14:49 +0200, Hauke Mehrtens wrote:
> Hi Daniel,
> 
> Is it possible to buy devices with this SoC in the retail market or on ebay?
> 
> On 7/27/22 13:57, Daniel Danzberger wrote:
> > Airoha is a new ARM platform based on Cortex A7 which has recently been
> > merged into linux-next.
> 
> The device tree says it is a arm,cortex-a53, see 
> target/linux/airoha/dts/en7523.dtsi
> > 
> .....
> > diff --git a/target/linux/airoha/dts/en7523.dtsi b/target/linux/airoha/dts/en7523.dtsi
> > new file mode 100644
> > index 0000000000..72478b225c
> > --- /dev/null
> > +++ b/target/linux/airoha/dts/en7523.dtsi
> > @@ -0,0 +1,219 @@
> .....
> > +       cpus {
> > +               #address-cells = <1>;
> > +               #size-cells = <0>;
> > +
> > +               cpu-map {
> > +                       cluster0 {
> > +                               core0 {
> > +                                       cpu = <&cpu0>;
> > +                               };
> > +                               core1 {
> > +                                       cpu = <&cpu1>;
> > +                               };
> > +                       };
> > +               };
> > +
> > +               cpu0: cpu at 0 {
> > +                       device_type = "cpu";
> > +                       compatible = "arm,cortex-a53";
> > +                       reg = <0x0>;
> > +                       enable-method = "psci";
> > +                       clock-frequency = <80000000>;
> > +                       next-level-cache = <&L2_0>;
> > +               };
> 
> Here it says cortex a53

Yes, that's correct. It is a cortex a53. The description in the commit message is wong.
Even though it's an ARMv8-A with arm64, it needs to run in 32 bit mode due to the BootROM limitations.

The commit message will be corrected in the version of that patch.