[U-Boot] [PATCH v5 2/2] qi_lb60: add software usbboot support

[Xiangfu Liu]

On 10/13/2012 08:52 PM, Marek Vasut wrote:
> Dear xiangfu liu,
> 
>> > Hi Marek
>> > 
>> > On Sat, Oct 13, 2012 at 8:23 PM, Marek Vasut <marex at denx.de> wrote:
>>> > > Dear xiangfu liu,
>>> > > 
>>>> > > > Hi Marek
>>>> > > > 
>>>> > > > This file was wrote by Ingenic people. I don't have time to convert it
>>>> > > > to C(I am not very good in mips assembler). the .S file implement
>>>> > > > basic USB stack.
>>> > > 
>>> > > We already do have an USB stack.
>> > 
>> > This usbboot.S implement a very base usb-client protocol and it implement a
>> > jz4740 hardware feature.
> We have that too -- see drivers/usb/gadget/

Hi Marek

I will look into this issue later, try to integrate this jz4740 feature with 
u-boot usb structure. but I am not sure that if I can finish this fast. wait my
patches on jz4740 software usb boot. :)

> 
>> > (jz4740 have a hard-code rom inside cpu. that have
>> > the same feature, they named it 'boot from usb'). so this usbboot.S is for
>> > implement the same feature in a software way.
> Won't DFU work then?
> 

I know this DFU. but it will different with the hardware-feature.

Thanks again for feedback.
Xiangfu