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Re: [PATCH] hw/riscv: microchip_pfsoc: fix kernel panics due to missing

From: Philippe Mathieu-Daudé
Subject: Re: [PATCH] hw/riscv: microchip_pfsoc: fix kernel panics due to missing peripherals
Date: Tue, 16 Aug 2022 02:40:44 +0200
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.12.0

Hi Conor,

On 15/8/22 00:48, Conor.Dooley@microchip.com wrote:
On 14/08/2022 23:08, Alistair Francis wrote:
EXTERNAL EMAIL: Do not click links or open attachments unless you know the 
content is safe

On Sat, Aug 13, 2022 at 11:51 PM Conor Dooley <mail@conchuod.ie> wrote:
QEMU support for PolarFire SoC seems to be fairly out of date at this
point. Running with a recent HSS, U-Boot etc doesn't work, partly due
to the unimplemented cache controller that the HSS tries to read from
(it needs to know the ways configuration now) and the rest seems to be
down to 64 bit address DMA to the sd card (not 100% on that yet).
There's some patches floating around internally that supposedly fixed
things for QEMU v6.something but I could not replicate & they're fairly
conflicty at this point. Plan is to clean them up, but no point sitting
on this patch until then as I have no ETA for that at this point.

Awesome! It is great to see Microchip supporting open source projects

Better late than never ehh..
As I said, no ETA yet as I don't know just how far off the sd card stuff
is, but it's in the todo pile. In the meantime, I'll keep an eye out here
which I am ~certain we haven't been doing so far. I've added QEMU stuff
to my build/test scripts now that I've got the direct kernel boot working
for me so hopefully once things get fixed, they'll stay that way.

Please Cc me and Cédric in your future posts regarding SD card, or open
a GitLab issue describing the problem.



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