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

[Bin Meng]

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.

> Anup Patel (3):
>   riscv: Add asm/dma-mapping.h for DMA mappings
>   net: macb: Fix clk API usage for RISC-V systems
>   riscv: qemu: Imply MACB ethernet for emulation
>
>  arch/riscv/include/asm/dma-mapping.h | 37 ++++++++++++++++++++++++++++
>  board/emulation/qemu-riscv/Kconfig   |  4 +++
>  drivers/net/macb.c                   |  4 ++-
>  3 files changed, 44 insertions(+), 1 deletion(-)
>  create mode 100644 arch/riscv/include/asm/dma-mapping.h
>
> --

Regards,
Bin