[PATCH V2 6/6] powerpc/476: Create a dts files for two 476 AMP instances under ISS
David Gibson
david at gibson.dropbear.id.au
Wed Feb 2 13:43:15 EST 2011
On Tue, Feb 01, 2011 at 12:48:46PM -0600, Dave Kleikamp wrote:
> These are completely independent OS instances, each running on 2
> cores.
[snip]
> +/memreserve/ 0x01f00000 0x00100000;
A comment describing what this reserved section is for would be good.
> +/ {
> + #address-cells = <2>;
> + #size-cells = <1>;
> + model = "ibm,iss-4xx";
> + compatible = "ibm,iss-4xx", "ibm,47x-AMP";
> + dcr-parent = <&{/cpus/cpu at 0}>;
> +
> + aliases {
> + serial0 = &UART0;
> + };
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + cpu at 0 {
> + device_type = "cpu";
> + model = "PowerPC,4xx"; // real CPU changed in sim
If the comment is true, then it's probably simpler to just omit the
model property. I'm pretty sure nothing will look at it.
> + reg = <0>;
> + clock-frequency = <100000000>; // 100Mhz :-)
> + timebase-frequency = <100000000>;> + i-cache-line-size = <32>;
> + d-cache-line-size = <32>;
> + i-cache-size = <32768>;
> + d-cache-size = <32768>;
> + dcr-controller;
> + dcr-access-method = "native";
> + status = "ok";
Should be "okay" rather than "ok".
[snip]
> + UART0: serial at 40000200 {
> + device_type = "serial";
> + compatible = "ns16550a";
> + reg = <0x40000200 0x00000008>;
> + virtual-reg = <0xe0000200>;
> + clock-frequency = <11059200>;
> + current-speed = <115200>;
> + interrupt-parent = <&MPIC>;
> + interrupts = <0x0 0x2>;
> + };
> + };
> + };
> +
> + nvrtc {
> + compatible = "ds1743-nvram", "ds1743", "rtc-ds1743";
> + reg = <0 0xEF703000 0x2000>;
> + };
> +
> + chosen {
> + linux,stdout-path = "/plb/opb/serial at 40000200";
You can use a string reference here:
linux,stdout-path = &UART0;
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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