linux-kernel - Re: [Qemu-devel] Linux kernel configurations for various Microblaze systems

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Message-ID: <ae120580-01f2-672d-edc0-440c2dd3f248@roeck-us.net>
Date:   Wed, 27 Jun 2018 17:34:15 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     "Edgar E. Iglesias" <edgar.iglesias@...il.com>
Cc:     Philippe Mathieu-Daudé <f4bug@...at.org>,
        Sai Pavan Boddu <sai.pavan.boddu@...inx.com>,
        "Edgar E. Iglesias" <edgar.iglesias@...inx.com>,
        Michal Simek <monstr@...str.eu>, linux-kernel@...r.kernel.org,
        qemu-devel@...gnu.org, Alistair Francis <alistair@...stair23.me>,
        KONRAD Frederic <frederic.konrad@...core.com>
Subject: Re: [Qemu-devel] Linux kernel configurations for various Microblaze
 systems

Hi Edgar,

On 06/27/2018 03:47 PM, Edgar E. Iglesias wrote:

> 
> Hi Guenter,
> 
> Re: ml605
> The thing to watch out for with kernel configs for microblaze systems is the
> physmem address setting. Unfortunately the kernel does not auto-detect this.
> 
> I'm attaching a kernelconfig for the ml605 that works for me and a qemu commandline.
> 
> qemu-system-microblazeel -M petalogix-ml605 -m 256 -serial mon:stdio -dtb petalogix-ml605.dtb -kernel arch/microblaze/boot/linux.bin -append rdinit=/bin/sh
> 

Can you also send me the dtb file or even better its source ? I don't think
the one in qemu is correct. It lists the serial port at 0x83e00000, but qemu
instantiates it at 0x83e01000.

> Re: pmu
> The PMU board does not run Linux, it runs baremetal power-management related firmware.
> 

Ah, good to know.

Thanks!
Guenter