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/openbmc/qemu/include/hw/riscv/
H A Dmicrochip_pfsoc.h47374b07 Mon Aug 31 20:39:08 CDT 2020 Bin Meng <bin.meng@windriver.com> hw/riscv: microchip_pfsoc: Connect 2 Cadence GEMs

Microchip PolarFire SoC integrates 2 Candence GEMs to provide
IEEE 802.3 standard-compliant 10/100/1000 Mbps ethernet interface.

On the Icicle Kit board, GEM0 connects to a PHY at address 8 while
GEM1 connects to a PHY at address 9.

The 2nd stage bootloader (U-Boot) is using GEM1 by default, so we
must specify 2 '-nic' options from the command line in order to get
a working ethernet.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1598924352-89526-14-git-send-email-bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
/openbmc/qemu/hw/riscv/
H A Dmicrochip_pfsoc.c47374b07 Mon Aug 31 20:39:08 CDT 2020 Bin Meng <bin.meng@windriver.com> hw/riscv: microchip_pfsoc: Connect 2 Cadence GEMs

Microchip PolarFire SoC integrates 2 Candence GEMs to provide
IEEE 802.3 standard-compliant 10/100/1000 Mbps ethernet interface.

On the Icicle Kit board, GEM0 connects to a PHY at address 8 while
GEM1 connects to a PHY at address 9.

The 2nd stage bootloader (U-Boot) is using GEM1 by default, so we
must specify 2 '-nic' options from the command line in order to get
a working ethernet.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <1598924352-89526-14-git-send-email-bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>