Stefan Wahren <stefan.wahren@xxxxxxxx> writes:
> Since the Raspberry Pi models differ in memory amount we
> better define it at board level. After that we are able
> to fix the memory node of the Raspberry Pi B+ .
>
> Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx>
> ---
> arch/arm/boot/dts/bcm2835-rpi-a-plus.dts | 4 ++++
> arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 4 ++++
> arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts | 4 ++++
> arch/arm/boot/dts/bcm2835-rpi-b.dts | 4 ++++
> arch/arm/boot/dts/bcm2835-rpi.dtsi | 4 ----
> 5 files changed, 16 insertions(+), 4 deletions(-)
>
> This patch is only compile-tested.
>
> diff --git a/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
> index b2bff43..c08dff2 100644
> --- a/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
> +++ b/arch/arm/boot/dts/bcm2835-rpi-a-plus.dts
> @@ -5,6 +5,10 @@
> compatible = "raspberrypi,model-a-plus", "brcm,bcm2835";
> model = "Raspberry Pi Model A+";
>
> + memory {
> + reg = <0 0x10000000>; /* 256 MB */
> + };
> +
> leds {
> act {
> gpios = <&gpio 47 0>;
> diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
> index 668442b..b4a1e56 100644
> --- a/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
> +++ b/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
> @@ -5,6 +5,10 @@
> compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
> model = "Raspberry Pi Model B+";
>
> + memory {
> + reg = <0 0x20000000>; /* 512 MB */
> + };
> +
> leds {
> act {
> gpios = <&gpio 47 0>;
> diff --git a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
> index eab8b591..e6ccfab 100644
> --- a/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
> +++ b/arch/arm/boot/dts/bcm2835-rpi-b-rev2.dts
> @@ -5,6 +5,10 @@
> compatible = "raspberrypi,model-b-rev2", "brcm,bcm2835";
> model = "Raspberry Pi Model B rev2";
>
> + memory {
> + reg = <0 0x10000000>; /* 256 MB */
> + };
> +
> leds {
> act {
> gpios = <&gpio 16 1>;
> diff --git a/arch/arm/boot/dts/bcm2835-rpi-b.dts b/arch/arm/boot/dts/bcm2835-rpi-b.dts
> index ff6b2d1..bfd917c 100644
> --- a/arch/arm/boot/dts/bcm2835-rpi-b.dts
> +++ b/arch/arm/boot/dts/bcm2835-rpi-b.dts
> @@ -5,6 +5,10 @@
> compatible = "raspberrypi,model-b", "brcm,bcm2835";
> model = "Raspberry Pi Model B";
>
> + memory {
> + reg = <0 0x10000000>; /* 256 MB */
> + };
> +
> leds {
> act {
> gpios = <&gpio 16 1>;
Seems like a good idea. The closed firmware passes us an edited
devicetree with good memory fields, but I don't think U-Boot is up to it
if you chainload it.
However, isn't the rpi-b-rev2 the 512MB variant of the rpi-b?
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