On Thu, Mar 5, 2020 at 7:11 AM Alistair Francis <alistair.fran...@wdc.com> wrote: > > At present the board serial number is hard-coded to 1, and passed > to OTP model during initialization. Firmware (FSBL, U-Boot) uses > the serial number to generate a unique MAC address for the on-chip > ethernet controller. When multiple QEMU 'sifive_u' instances are > created and connected to the same subnet, they all have the same > MAC address hence it creates a unusable network. > > A new "serial" property is introduced to the sifive_u SoC to specify > the board serial number. When not given, the default serial number > 1 is used. > > Suggested-by: Bin Meng <bmeng...@gmail.com> > Signed-off-by: Alistair Francis <alistair.fran...@wdc.com> > --- > hw/riscv/sifive_u.c | 8 +++++++- > include/hw/riscv/sifive_u.h | 2 ++ > 2 files changed, 9 insertions(+), 1 deletion(-) >
Reviewed-by: Bin Meng <bmeng...@gmail.com> Tested-by: Bin Meng <bmeng...@gmail.com>