From mboxrd@z Thu Jan  1 00:00:00 1970
From: Xiangfu Liu <xiangfu@openmobilefree.net>
Date: Sat, 13 Oct 2012 21:11:14 +0800
Subject: [U-Boot] [PATCH v5 2/2] qi_lb60: add software usbboot support
In-Reply-To: <201210131452.17568.marex@denx.de>
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	<201210131423.02139.marex@denx.de>
	<CAFJCZHQrYsc05gwE+5nXJyJcTgXb6y_qBGPczfbXbpUycuu3Fg@mail.gmail.com>
	<201210131452.17568.marex@denx.de>
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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@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