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Date: Fri, 13 May 2022 14:39:12 -0700
From: Zev Weiss <zev@bewilderbeest.net>
To: Peter Delevoryas <pdel@fb.com>
Subject: Re: [PATCH 0/2] hw: aspeed: Init all UART's with serial devices
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On Thu, May 12, 2022 at 09:02:18PM PDT, Peter Delevoryas wrote:
> CC'ing Zev and OpenBMC since this was motivated by a problem Zev had there:
> 
> https://lore.kernel.org/openbmc/YnzGnWjkYdMUUNyM@hatter.bewilderbeest.net/
> 
> This series adds all the missing UART's in the Aspeed chips, and initializes
> them all with serial devices (even if there is no peer character device provided
> by the QEMU user).
> 
> This allows users to quickly test UART output without any code changes. In fact,
> you could even connect all the UART's to separate sockets and check which one is
> emitting data.
> 

Thanks Peter -- I tried this out with an ahe-50dc u-boot build (ast2400 
with stdio on uart3), and with

  -serial null -serial null -serial null -serial mon:stdio

added to the command-line I get the u-boot stdio and the qemu monitor in 
my terminal as expected.

Tested-by: Zev Weiss <zev@bewilderbeest.net>


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Date: Fri, 13 May 2022 14:39:12 -0700
From: Zev Weiss <zev@bewilderbeest.net>
To: Peter Delevoryas <pdel@fb.com>
Cc: irischenlj@fb.com, patrick@stwcx.xyz, qemu-arm@nongnu.org,
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 andrew@aj.id.au, peter.maydell@linaro.org, joel@jms.id.au
Subject: Re: [PATCH 0/2] hw: aspeed: Init all UART's with serial devices
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On Thu, May 12, 2022 at 09:02:18PM PDT, Peter Delevoryas wrote:
> CC'ing Zev and OpenBMC since this was motivated by a problem Zev had there:
> 
> https://lore.kernel.org/openbmc/YnzGnWjkYdMUUNyM@hatter.bewilderbeest.net/
> 
> This series adds all the missing UART's in the Aspeed chips, and initializes
> them all with serial devices (even if there is no peer character device provided
> by the QEMU user).
> 
> This allows users to quickly test UART output without any code changes. In fact,
> you could even connect all the UART's to separate sockets and check which one is
> emitting data.
> 

Thanks Peter -- I tried this out with an ahe-50dc u-boot build (ast2400 
with stdio on uart3), and with

  -serial null -serial null -serial null -serial mon:stdio

added to the command-line I get the u-boot stdio and the qemu monitor in 
my terminal as expected.

Tested-by: Zev Weiss <zev@bewilderbeest.net>