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@denx.de wrote:
Dear xiangfu@openmobilefree.net,
From: Xiangfu xiangfu@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@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