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Re: eMMC support

From: Cédric Le Goater
Subject: Re: eMMC support
Date: Mon, 1 Feb 2021 23:06:30 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0

On 2/1/21 11:01 PM, Cédric Le Goater wrote:
> Hello, 
>>> FYI, aspeed machines successfully boot on top of 16G emmc disk images.
>>> I merged some of xilinx patches on top of the aspeed-6.0 branch to
>>> improve the model completeness but only the one fixing powerup was
>>> really necessary.
>>> The initial diffstat is rather small.
>>>  hw/sd/sd.c             |  168 
>>> ++++++++++++++++++++++++++++++++++++++++++-------
>>> We can surely find a way to merge support in mainline without
>>> covering the whole specs. The Extended CSD register would be the
>>> big part.
>> */[Sai Pavan Boddu] I’m revisiting eMMC now, made some patches on top of 
>> previous series sent by “Vincent Palatin”./*
>> */Would you like to share your changes, which made aspeed machines to work 
>> ?/*
>> */Regards,
>> Sai Pavan/*
> The patchset is in the aspeed-6.0 branch : 
>     df91d012672c Cédric Le Goater - hw/arm/aspeed: Load eMMC first boot area 
> as a boot rom
>     27b75a7ad322 Cédric Le Goater - hw/arm/aspeed: Add eMMC property
>     2836cf5a15a1 Joel Stanley - hw/arm/aspeed: Set boot device to emmc
>     42c9d57f5cd0 Joel Stanley - sd: mmc: Subtract bootarea size from blk
>     218301406607 Joel Stanley - sd: mmc: Support boot area in emmc image
>     df0452923b56 Cédric Le Goater - sd: mmc: Add Extended CSD register 
> definitions
>     416c02bbfd32 Sai Pavan Boddu - sd: mmc: Add mmc switch function support
>     a228aef1a209 Sai Pavan Boddu - sd: mmc: add CMD21 tuning sequence
>     9b177d7baf8e Sai Pavan Boddu - sd: mmc: Update CMD1 definition for MMC
>     6677e4eb6812 Vincent Palatin - sd: add eMMC support

here : 



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