[U-Boot] [PATCH 3/7] rockchip: rk3328: add sdram driver in U-Boot

Simon Glass sjg at chromium.org
Thu Jul 6 04:49:30 UTC 2017


Hi Kever,

On 23 June 2017 at 02:22, Kever Yang <kever.yang at rock-chips.com> wrote:
> Hi Simon,
>
>
> On 06/17/2017 11:41 AM, Simon Glass wrote:
>>
>> On 13 June 2017 at 03:29, Kever Yang <kever.yang at rock-chips.com> wrote:
>>>
>>> Add sdram driver in U-Boot for get the correct sdram size from
>>> sys_reg, so that U-Boot can co-work with Rockchip loader or SPL
>>> to get different dram capability and then tell the kernel.
>>
>> Do you think we might be able to retire the Rockchip loader one day?
>
>
> If the feature and performance is almost the same, then Rockchip loader
> is no need any more, and that's what I'm try to do.
> - rockcusb & fastboot gadget performance, as I have comment in Eddie's patch
> long
>     time ago, the dfu in U-Boot is using single buffer, which is very slow
> compare
>     to mass storage gadget.
> - Android boot, it's still not have full support for Android image like
> recovery in U-Boot now.
> - Secure boot, I have not verify this part on upstream U-Boot, but rockchip
> needs it.
> - some other feature used by our product

OK, good to know the plan, thank you. Hopefully there are no obstacles
to getting all the above features into mainline.

Regards,
Simon


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