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Re: [Qemu-devel] [PATCH v2 00/11] Aspeed SMC controller fixes and improv
From: |
Cédric Le Goater |
Subject: |
Re: [Qemu-devel] [PATCH v2 00/11] Aspeed SMC controller fixes and improvements |
Date: |
Mon, 16 Jan 2017 18:08:12 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 |
On 01/16/2017 06:00 PM, Peter Maydell wrote:
> 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.
yes. 11 needs a change in the condition which is used
to send dummies. After that, I think we should be fine
for dummy support in Command mode, which we need to boot.
For User mode, this is another story.
Thanks,
C.
- Re: [Qemu-devel] [PATCH v2 09/11] aspeed/smc: extend tests for Command mode, (continued)
- [Qemu-devel] [PATCH v2 10/11] aspeed: use first FMC flash as a boot ROM, Cédric Le Goater, 2017/01/09
- [Qemu-devel] [PATCH v2 11/11] aspeed/smc: handle dummy bytes when doing fast reads in command mode, Cédric Le Goater, 2017/01/09
- Re: [Qemu-devel] [PATCH v2 11/11] aspeed/smc: handle dummy bytes when doing fast reads in command mode, mar.krzeminski, 2017/01/11
- Re: [Qemu-devel] [PATCH v2 11/11] aspeed/smc: handle dummy bytes when doing fast reads in command mode, Cédric Le Goater, 2017/01/11
- Re: [Qemu-devel] [PATCH v2 11/11] aspeed/smc: handle dummy bytes when doing fast reads in command mode, mar.krzeminski, 2017/01/14
- Re: [Qemu-devel] [PATCH v2 11/11] aspeed/smc: handle dummy bytes when doing fast reads in command mode, Cédric Le Goater, 2017/01/16
- Re: [Qemu-devel] [PATCH v2 11/11] aspeed/smc: handle dummy bytes when doing fast reads in command mode, mar.krzeminski, 2017/01/16
- Re: [Qemu-devel] [PATCH v2 11/11] aspeed/smc: handle dummy bytes when doing fast reads in command mode, Cédric Le Goater, 2017/01/17
Re: [Qemu-devel] [PATCH v2 00/11] Aspeed SMC controller fixes and improvements, Peter Maydell, 2017/01/16
- Re: [Qemu-devel] [PATCH v2 00/11] Aspeed SMC controller fixes and improvements,
Cédric Le Goater <=