[U-Boot] [PATCH 0/3] Ethernet support for QEMU sifive_u machine

[Anup Patel]

On Tue, Dec 18, 2018 at 3:21 PM Bin Meng <bmeng.cn at gmail.com> wrote:
>
> Hi Anup,
>
> On Mon, Dec 17, 2018 at 7:51 PM Anup Patel <anup at brainfault.org> wrote:
> >
> > This patchset enables Cadance MACB ethernet driver for
> > QEMU sifive_u machine. The Cadance MACB ethernet driver
> > works fine for QEMU sifive_u machince in both M-mode and
> > S-mode with some minor fixes.
> >
> > The patches are based upon latest RISC-V U-Boot tree
> > (git://git.denx.de/u-boot-riscv.git) at commit id
> > 9deb8d2fcd13d4a40a4e63c396fe4376af46efac
> >
> > To try on QEMU, please ensure following patches are
> > applied to QEMU sources:
> > https://patchwork.kernel.org/patch/10729579/
> > https://patchwork.kernel.org/patch/10729581/
> >
>
> What "-device " parameter should I tell QEMU to instantiate the MACB?
> "-device ?" does not give me anything that looks like MACB. Without a
> proper "-device " parameter, I can boot U-Boot on QEMU sifive_u and
> see U-Boot driver is probed, but a simple 'ping' test does not work.

Try the following:
# setenv ipaddr 10.0.2.1
# ping 10.0.2.2

The above works for me on QEMU.

Regards,
Anup