This series aims to improve the use of QEMU for developing boot code. It does a few things:
- sifive_u machine: - Adds a chunk of memory in the Flash area. This allows boot loaders to use this memory. I can't find details on the QSPI flash used on the real board, so this is the best bet at the moment. - Adds a chunk of memory in the L2-LIM area. This is actualy the L2 cache and should shrink as the L2 cache is enalbed. Unfortunatley I don't see a nice way to shrink this memory. - Adds a property that allows users to specify if QEMU should jump to flash or DRAM after the ROM code. - virt machine: - Add the pflash_cfi01 flash device. This is based on the ARM virt board implementation - Adjusts QEMU to jump to the flash if a user has speciefied any pflash. Both machines have been tested with oreboot, but this should also help the coreboot developers. Alistair Francis (6): riscv/sifive_u: Add L2-LIM cache memory riscv/sifive_u: Add QSPI memory region riscv/sifive_u: Manually define the machine riscv/sifive_u: Add the start-in-flash property riscv/virt: Add the PFlash CFI01 device riscv/virt: Jump to pflash if specified hw/riscv/Kconfig | 1 + hw/riscv/sifive_u.c | 77 +++++++++++++++++++++++++++++-- hw/riscv/virt.c | 91 ++++++++++++++++++++++++++++++++++++- include/hw/riscv/sifive_u.h | 11 ++++- include/hw/riscv/virt.h | 3 ++ 5 files changed, 177 insertions(+), 6 deletions(-) -- 2.23.0
