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Re: [Qemu-devel] [Qemu-trivial] [PATCH] pc-bios: petalogix-s3adsp1800.dt
From: |
Michael Tokarev |
Subject: |
Re: [Qemu-devel] [Qemu-trivial] [PATCH] pc-bios: petalogix-s3adsp1800.dtb: Use 'xlnx, xps-ethernetlite-2.00.a' instead of 'xlnx, xps-ethernetlite-2.00.b' |
Date: |
Tue, 11 Nov 2014 09:12:23 +0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.2.0 |
03.11.2014 12:26, Chen Gang wrote:
> For Linux upstream kernel (e.g. 3.17-rc7), the related compatible string
> 'xlnx,xps-ethernetlite-2.00.a' is supported, but 'b' is not supported,
> so change qemu dtb file to match kernel driver.
>
> The related operation for qemu (after this patch):
>
> yum install libvirt
> yum install tunctl
> tunctl -b
> ip link set tap0 up
> brctl addif virbr0 tap0
>
> ./configure
> make
> ./microblaze-softmmu/qemu-system-microblaze -M petalogix-s3adsp1800 \
> -kernel ../linux-stable.microblaze/arch/microblaze/boot/linux.bin \
> -no-reboot -append "console=ttyUL0,115200 doreboot" -nographic \
> -net nic,vlan=0,model=xlnx.xps-ethernetlite,macaddr=00:16:35:AF:94:00 \
> -net tap,vlan=0,ifname=tap0,script=no,downscript=no
>
> in microblaze qemu bash (guest machine):
>
> ifconfig eth0 add 192.168.122.2 netmask 255.255.255.0
> ifconfig eth0 up
>
> Then can telnet 192.168.122.2 directly without password from the host
> machine.
>
> The related operation for generating new dtb:
>
> building Linux kernel firstly, then get dts tool "./scripts/dts/dts".
> "./scripts/dtc/dtc -I dtb -O dts -o ../work.dts
> ../qemu/petalogix-s3adsp1800.dtb"
> edit work.dts (replace 'xlnx,xps-ethernetlite-2.00.b')
> "./scripts/dtc/dtc -I dts -O dtb -o ..qemu/petalogix-s3adsp1800.dtb
> ../work.dts"
Oh well. I don't like this patch to be lost, but I must admit I don't
understand what's happening here. Applied to -trivial.
Thanks,
/mjt