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Date: Tue, 11 Nov 2014 09:12:23 +0300
From: Michael Tokarev <mjt@tls.msk.ru>
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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'
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To: Chen Gang <gang.chen.5i5j@gmail.com>, Guenter Roeck <linux@roeck-us.net>, Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Trivial <qemu-trivial@nongnu.org>, qemu-devel <qemu-devel@nongnu.org>

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