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Re: [Qemu-devel] [PATCH v2 00/11] Aspeed SMC controller fixes and improv

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH v2 00/11] Aspeed SMC controller fixes and improvements
Date: Mon, 16 Jan 2017 17:00:42 +0000

On 9 January 2017 at 16:24, Cédric Le Goater <address@hidden> wrote:
> Hello,
> I have reduced the patchset size to focus on some improvements of the
> SMC (Flash) controller model only and will address the watchdog and
> network models in other patchset.
> The main benefit of this series is to enable booting directly from a
> flash image containing U-Boot. It adds :
>  - some minor fixes and code rearrangements
>  - Command mode support. Flash contents is accessed directly on the
>    AHB bus
>  - auto strapping of configuration for boot flash
>  - use CE0 as a boot ROM. Today, qemu can not boot from a MMIO region.
>    As this is complex to do (TCG layer modification), we use a ROM
>    region in which we copy the flash contents. Hopefully, I got it
>    right this time.
>  - dummy bytes support for Command mode only
> Still in the pipe for the SMC controller are :
>  - DMA support
>  - dummy bytes support in user mode (hacky)
> which I will send later.

Applied 1-10 to target-arm.next, but not 11 since there
seemed to be some discussion on whether it was correct.

-- PMM

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