https://patchwork.ozlabs.org/project/linuxppc-dev/patch/DC3E0C93CCAB2F4DACB66FFECC909F5822F7F1EB13@ukgw-exmb-p06.kda.kongsberg.com/
ppc4xx emac support of phy-less devices patch + dts example - Patchwork
emacsupportphy
https://qemu-android.googlesource.com/qemu-android/+/a3a2ad363b6015760eb37bb2238ccb0a495f8d6b/hw/ppc/ppc4xx_devs.c
hw/ppc/ppc4xx_devs.c - qemu-android - Git at Google
hwppcdevsqemuandroid