[PATCH 0/3] Ethernet support for Raspberry Pi 4

[Sascha Dewald]

Thank you :-)

I will test it these days.

Am Mi., 18. Dez. 2019 um 12:59 Uhr schrieb Andre Przywara
<andre.przywara at arm.com>:
>
> This series adds Ethernet support for the Raspberry Pi 4. The SoC
> includes a "Broadcom Genet v5 MAC" IP, connected as a proper platform
> device (no USB anymore!). Patch 1 provides a driver for that. There does
> not seem to be publicly available documentation, so this is based on the
> Linux driver, but stripped down to just provide what U-Boot needs.
> Patch 2 fixes up the RPi4 memory map to accommodate the MMIO area the
> MAC lives in, while patch 3 enables it in the respective defconfigs.
>
> Compared to the RFC post from Friday this is now fully functional,
> although there are some minor issues left (sometimes unstable
> initialisation, weird behaviour on repeated tftp gets (though it works),
> PHY startup not properly timing out, (unjustified?) cache complaints on
> 32-bit).
>
> Please have a look and test it, I hope this helps to simplify
> development, as you spare the SD card and its slot from heavy swapping.
>
> This tries to address the review comments on the RFC post (mostly my
> own ;-), I put a branch on [1] showing what was changed over the original
> post.
>
> Cheers,
> Andre.
>
> P.S.: Since Amit will be busy this week, I took the freedom of fixing this up
> and posting this (with his permission).
>
> [1] https://github.com/apritzel/u-boot/commits/rpi4-eth
>
> Amit Singh Tomar (3):
>   net: Add support for Broadcom GENETv5 Ethernet controller
>   rpi4: Update memory map to accommodate scb devices
>   rpi4: Enable GENET Ethernet controller
>
>  arch/arm/mach-bcm283x/init.c |   6 +-
>  configs/rpi_4_32b_defconfig  |   2 +
>  configs/rpi_4_defconfig      |   2 +
>  configs/rpi_arm64_defconfig  |   1 +
>  drivers/net/Kconfig          |   7 +
>  drivers/net/Makefile         |   1 +
>  drivers/net/bcmgenet.c       | 702 +++++++++++++++++++++++++++++++++++
>  7 files changed, 718 insertions(+), 3 deletions(-)
>  create mode 100644 drivers/net/bcmgenet.c
>
> --
> 2.17.1
>