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

[Marek Vasut]

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 C code (
> http://projects.qi-hardware.com/index.php/p/xburst-tools/source/tree/master
> /xbboot) implement the host app. the host app source code even clear then
> the original Ingenic document. so feel free to send patch.

Sorry, but it is my duty as a USB custodian to NAK patches which try to 
circumvent the constant effort to keep the code clean. Obviously, implementing 
yet another USB stack is violation of this.

> Xiangfu
> 
> On Sat, Oct 13, 2012 at 11:01 AM, Marek Vasut <marex at denx.de> wrote:
> > Dear xiangfu at openmobilefree.net,
> > 
> > > From: Xiangfu <xiangfu at openmobilefree.net>
> > > 
> > >   JZ4740 CPU have a internal ROM have such kind of code, that make
> > >   JZ4740 can boot from USB
> > >   
> > >   usbboot.S can downloads user program from the USB port to internal
> > >   SRAM and branches to the internal SRAM to execute the program
> > > 
> > > Signed-off-by: Xiangfu <xiangfu at openmobilefree.net>
> > > ---
> > > 
> > >  board/qi/qi_lb60/qi_lb60-spl.c |   20 +
> > >  board/qi/qi_lb60/usbboot.S     |  838
> > > 
> > > ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 858
> > > insertions(+)
> > > 
> > >  create mode 100644 board/qi/qi_lb60/usbboot.S
> > 
> > [...]
> > 
> > UGH. Simply ... UGH.
> > 
> > Can that assembler blob not be rewritten into C ?
> > 
> > Best regards,
> > Marek Vasut

Best regards,
Marek Vasut