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List:       xen-devel
Subject:    Re: [Xen-devel] [PATCH v2 0/2] Raspberry Pi 4 support
From:       Julien Grall <julien.grall () arm ! com>
Date:       2019-07-31 19:22:56
Message-ID: 9316e710-607d-6bff-0d09-b8b5a4c78355 () arm ! com
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Hi,

On 7/31/19 1:05 PM, Julien Grall wrote:
> On 29/07/2019 14:19, Stewart Hildebrand wrote:
>> This is a series to enable UART console for Raspberry Pi 4. Note that 
>> I'm relying on the firmware to initialize the UART (i.e. enable_uart=1 
>> in config.txt), since full UART initialization on this platform 
>> requires accessing some registers outside the range specified in the 
>> brcm,bcm2835-aux-uart node.
>>
>> I have been able to get Xen+dom0+domUs booting. Tested with Xen 4.12 
>> and 4.13-unstable (b4c8a27d5b) and Linux 4.19.y (Raspberry Pi linux 
>> tree + a couple of patches). Please see [1] for build instructions and 
>> limitations.
>>
>> New in v2:
>> * Drop early printk alias
>> * Set reg-shift and reg-io-width in the Xen driver
>> * Blacklist other aux peripherals in platform settings (spi1, spi2, 
>> and a couple of base aux registers)
>>
>> Thanks,
>> Stewart Hildebrand
>> DornerWorks, Ltd
>>
>> [1] https://github.com/dornerworks/xen-rpi4-builder
>>
>> Stewart Hildebrand (2):
>>    ns16550: Add compatible string for Raspberry Pi 4
> 
> I have committed this patch...
> 
>>    xen/arm: platform: Add Raspberry Pi platform
> ... this one need an answer regarding the impact on blacklist spi1 and 
> spi2.

This patch is now merged as well. Thank you for adding support for the RPI4!

Cheers,

-- 
Julien Grall

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