Hi Bernhard, On Thu, Sep 15, 2022 at 11:25 PM Bernhard Beschow <shen...@gmail.com> wrote: > > This series adds support for -pflash and direct SD card access to the > PPC e500 boards. The idea is to increase compatibility with "real" firmware > images where only the bare minimum of drivers is compiled in. > > The series is structured as follows: > > Patches 1-3 perform some general cleanup which paves the way for the rest of > the series. > > Patches 4-7 add -pflash handling where memory-mapped flash can be added on > user's behalf. That is, the flash memory region is only added if the -pflash > argument is supplied. Note that the cfi01 device model becomes stricter in > checking the size of the emulated flash space. > > Patches 8-11 add a new device model - the Freescale eSDHC - to the e500 > boards which was missing so far. > > User documentation is also added as the new features become available. > > Tesing done: > * `qemu-system-ppc -M ppce500 -cpu e500mc -m 256 -kernel uImage -append > "console=ttyS0 rootwait root=/dev/mtdblock0 nokaslr" -drive > if=pflash,file=rootfs.ext2,format=raw` > * `qemu-system-ppc -M ppce500 -cpu e500mc -m 256 -kernel uImage -append > "console=ttyS0 rootwait root=/dev/mmcblk0" -device sd-card,drive=mydrive > -drive > id=mydrive,if=none,file=rootfs.ext2,format=raw`
Thanks for the patches! Did you get a chance to test the U-Boot image to work with pflash and eSDHC? > > The load was created using latest Buildroot with `make > qemu_ppc_e500mc_defconfig` where the rootfs was configured to be of ext2 type. > In both cases it was possible to log in and explore the root file system. > Regards, Bin
