[PATCH v4 0/6] rpi5: initial support

[Matthias Brugger]

On 10/01/2024 13:29, Ivan T. Ivanov wrote:
> Hi,
> 
> These patches are slight update for patches posted earlier here[1].
> They are adding basic support for RPi5 and are based on v2 series
> from Dmitry Malkin[2].
> 
> What changed:
> 
> * Initial memory map now includes whole first 1GB of DRAM. At runtime,
>    the firmware will adjust this size depending on whether an HDMI cable
>    is plugged in or not. If there is HDMI monitor connected it will reserve
>    framebufer memory region and will add simple-framebuffer device into
>    devicetree.
> 
> * Dynamically calculate bits per pixel in video driver. This works
>    on all prevous RPi's models that I have.
> 
> * I am dropping PCIe patch for now. I made some progress on porting changes
>    from vendor Linux tree to U-Boot. Unfortunatly testing it is little bit
>    tricky. They are many devices behind PCIe, but more or less all of them
>    requires missing either "reset-controller" or "clock-controller" or
>    "pin-controller" drivers. I was able to probe "cdns,macb" device, but
>    access to ethernet PHY over MDIO bus is stucking. Then I ported
>    "raspberrypi,rp1-adc" driver from vendor Linux tree, but it requires
>    missing clock. And on top of that machine that I used for developing this
>    crashed and I lost my PCIe changes :-|. Anyway.
> 
> These patches allows me to boot current openSUSE Tumbleweed without
> modification. I can see serial console log and boot process on HDMI
> connected monitor.
> 
> I think these patches should be enough for start. Please consider for
> inclusion.
> 
> Thanks,
> Ivan
> 
> [1] https://lore.kernel.org/all/20231218210341.30073-1-iivanov@suse.de/
> [2] https://lore.kernel.org/all/CAKRNjQ0dsWozGo4n8g58m4cCEk3n=qx1R+L24WBgpo-iP1yo7A@mail.gmail.com/
> 
> Dmitry Malkin (2):
>    rpi5: add initial memory map for bcm2712
>    rpi5: Use devicetree as alternative way to read IO base addresses
> 
> Ivan T. Ivanov (4):
>    rpi5: Use devicetree to retrieve board revision
>    bcm2835: Dynamically calculate bytes per pixel parameter
>    mmc: bcmstb: Add support for bcm2712 SD controller
>    configs: rpi_arm64: enable SDHCI BCMSTB driver
> 

In the meantime I was able to test this series. So here my:
Tested-by: Matthias Brugger <mbrugger at suse.com>

>   arch/arm/mach-bcm283x/include/mach/base.h  |   5 +-
>   arch/arm/mach-bcm283x/include/mach/mbox.h  |   3 +-
>   arch/arm/mach-bcm283x/include/mach/sdhci.h |   3 +-
>   arch/arm/mach-bcm283x/include/mach/timer.h |   3 +-
>   arch/arm/mach-bcm283x/include/mach/wdog.h  |   3 +-
>   arch/arm/mach-bcm283x/init.c               |  74 ++++++++-
>   board/raspberrypi/rpi/rpi.c                |  22 ++-
>   configs/rpi_arm64_defconfig                |   1 +
>   drivers/mmc/bcmstb_sdhci.c                 | 173 ++++++++++++++++++++-
>   drivers/video/bcm2835.c                    |  18 ++-
>   10 files changed, 282 insertions(+), 23 deletions(-)
>