On Fri, Sep 16, 2022 at 5:27 PM Bin Meng <bmeng...@gmail.com> wrote: > Hi Bernhard, >
Hi Bin, > 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! > My obligation! > Did you get a chance to test the U-Boot image to work with pflash and > eSDHC? > No, unfortunately not. Testing U-Boot would involve familiarizing myself with it first which will probably come at some point. Right now, however, my focus is on running a proprietary firmware flash image. Best regards, Bernhard > > > > 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 >
