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From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: Sascha Hauer <sha@pengutronix.de>, Ahmad Fatoum <ahmad@a3f.at>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] pci: add ECAM generic controller support
Date: Wed, 17 Nov 2021 14:03:31 +0100	[thread overview]
Message-ID: <a361d8fd-a4b9-6800-fa9c-37d85758c755@pengutronix.de> (raw)
In-Reply-To: <20211117064019.GF6556@pengutronix.de>

Hi,

On 17.11.21 07:40, Sascha Hauer wrote:
> On Mon, Nov 15, 2021 at 10:04:32AM +0100, Ahmad Fatoum wrote:
>> This has been tested with QEMU AArch64 Virt. The default (-M
>> virt,highmem=on) will have two ranges specified in the device trees for
>> memory bars. One 32-bit and the other 64-bit. As barebox can't yet
>> handle 64-bit BARs, the driver will prefer the 32-bit memory region if
>> available. If none is available, consider using -M virt,highmem=off or
>> fixing 64-bit support.
> 
> Looks straight forward. What can I do with it?

I wanted video output with qemu-system-aarch64 for my EFI loader
work. The Bochs PCI driver is the only driver I tested so far:

  test/emulate.pl qemu_virt64_defconfig -- -device VGA

You'll need some config changes. See the series, I just sent out.

Cheers,
Ahmad

> 
> Sascha
> 


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      reply	other threads:[~2021-11-17 13:04 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-15  9:04 Ahmad Fatoum
2021-11-17  6:40 ` Sascha Hauer
2021-11-17 13:03   ` Ahmad Fatoum [this message]

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