* Minecraft_pi now works in Raspbian with arm64 kernel from staging-testing
[not found] <1489937108.13607.1.camel@crowfest.net>
@ 2017-03-21 3:38 ` Michael Zoran
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From: Michael Zoran @ 2017-03-21 3:38 UTC (permalink / raw)
To: linux-kernel, devicetree; +Cc: eric, stefan.wahren, gregkh, linux-rpi-kernel
Just thought people might find this useful.
I think at this point it might be working from linux-next as well.
Where do I e-mail updated DT bindings to?
On Sun, 2017-03-19 at 08:25 -0700, Michael Zoran wrote:
> So this morning after testing a new firmware release for the RPI, I
> was
> able to get minecraft_pi on ARM 64 to work on Raspbian when built
> from
> the upstream staging-testing tree.
>
> I'm including the DT I used for testing. The firmware creates the
> simplefb node that it's been doing for testing on the RPI 3 for a
> very
> long time now.
>
> The only issue is that it appears for now you will need to hard code
> your display settings in config.txt and you will need to set
> gpu_mem=128 or something reasonable just like most people would do in
> Raspbian.
>
> The lastest firmware for the RPI is available at:(Where updates are
> always available)
> https://github.com/raspberrypi/firmware
>
> This is the replacement for arch/arm64/boot/dts/broadcom/bcm2837-rpi-
> 3-
> b.dts
>
> /dts-v1/;
> #include "bcm2837.dtsi"
> #include "bcm2835-rpi.dtsi"
> #include "bcm283x-rpi-smsc9514.dtsi"
> #include "bcm283x-rpi-usb-host.dtsi"
>
> / {
> compatible = "raspberrypi,3-model-b", "brcm,bcm2837";
> model = "Raspberry Pi 3 Model B";
>
> memory {
> reg = <0 0x40000000>;
> };
>
> leds {
> act {
> gpios = <&gpio 47 0>;
> };
> };
>
>
> soc {
>
> hvs@7e400000 {
> status = "disabled";
> };
>
> v3d: v3d@7ec00000 {
> status = "disabled";
> };
>
> vc4: gpu {
> status = "disabled";
> };
>
> fb: fb {
> status = "disabled";
> };
>
> vchiq: vchiq {
> compatible = "brcm,bcm2835-vchiq";
> reg = <0x7e00b840 0xf>;
> interrupts = <0 2>;
> cache-line-size = <32>;
> firmware = <&firmware>;
> };
>
> audio: audio {
> compatible = "brcm,bcm2835-audio";
> brcm,pwm-channels = <8>;
> };
>
> };
>
> __overrides__ {
> cache_line_size = <&vchiq>, "cache-line-size:0";
> };
>
> };
>
> &uart1 {
> status = "okay";
> };
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