Re: [PATCH v2 0/3] ARM: dts: meson: add the APB/APB2 busses
From: Neil Armstrong
Date: Tue Dec 11 2018 - 04:16:39 EST
On 08/12/2018 17:50, Martin Blumenstingl wrote:
> This adds the APB bus on Meson8 and Meson8b as well as the APB2 bus on
> Meson6. This is preparation work for adding the Mali GPU which is
> located on theses busses.
>
> Meson6 seems to have it's APB at 0xc8000000 instead of 0xd0000000. The
> region at 0xd0000000 is called APB2 or A9_APB and it has a different
> size (256k) compared to Meson8 and Meson8b (2M).
>
> Addresses and sizes are taken from the Amlogic 3.10 kernel sources:
> - Meson6: [0]
> - Meson8: [1]
> - Meson8b: [2]
>
>
> Changes since v1 at [3]:
> - re-send the patches but this time don't include the old patches
> which still had a typo in the patch description (ABP vs APB)
>
>
> [0] https://github.com/endlessm/linux-meson/blob/cd4096c3ff4eb5b8a8a5581bb46508601c5470dc/arch/arm/mach-meson6/include/mach/io.h#L61
> [1] https://github.com/endlessm/linux-meson/blob/cd4096c3ff4eb5b8a8a5581bb46508601c5470dc/arch/arm/mach-meson8/include/mach/io.h#L53
> [2] https://github.com/endlessm/linux-meson/blob/cd4096c3ff4eb5b8a8a5581bb46508601c5470dc/arch/arm/mach-meson8b/include/mach/io.h#L53
> [3] http://lists.infradead.org/pipermail/linux-amlogic/2018-December/009424.html
>
>
> Martin Blumenstingl (3):
> ARM: dts: meson6: add the APB2 bus
> ARM: dts: meson8: add the APB bus
> ARM: dts: meson8b: add the APB bus
>
> arch/arm/boot/dts/meson6.dtsi | 8 ++++++++
> arch/arm/boot/dts/meson8.dtsi | 8 ++++++++
> arch/arm/boot/dts/meson8b.dtsi | 8 ++++++++
> 3 files changed, 24 insertions(+)
>
Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
But frankly I'll squash the meson8/meson8b patches with the mali node patches !
Neil