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@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.
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