On Wed, Aug 10, 2022 at 1:58 PM Antoine Mazeas <anto...@karthanis.net> wrote: > > Some Raspberry Pi 400 boards, specifically rev 1.1, have a different address > for the ethernet PHY device than what is provided by the kernel DTB. The > correct address is provided by the firmware, so we should carry it over into > the loaded device tree so that ethernet works on such boards.
Minor nit: this should be properly wrapped. > Signed-off-by: Antoine Mazeas <anto...@karthanis.net> Reviewed-by: Peter Robinson <pbrobin...@gmail.com> Tested-by: Peter Robinson <pbrobin...@gmail.com> Tested on the RPi400 and a couple of different RPi4s > --- > board/raspberrypi/rpi/rpi.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c > index 28b6f52506..793fd1aa30 100644 > --- a/board/raspberrypi/rpi/rpi.c > +++ b/board/raspberrypi/rpi/rpi.c > @@ -548,6 +548,9 @@ void update_fdt_from_fw(void *fdt, void *fw_fdt) > > /* kernel address randomisation seed as provided by the firmware */ > copy_property(fdt, fw_fdt, "/chosen", "kaslr-seed"); > + > + /* address of the PHY device as provided by the firmware */ > + copy_property(fdt, fw_fdt, "ethernet0/mdio@e14/ethernet-phy@1", > "reg"); > } > > int ft_board_setup(void *blob, struct bd_info *bd) > -- > 2.37.1 >
