[U-Boot] U-Boot for MIPS AR7161

[Drassal, Allan]

> -----Original Message-----
> From: Daniel Schwierzeck [mailto:daniel.schwierzeck at gmail.com]
> Sent: Wednesday, November 28, 2012 9:16 AM
> To: Drassal, Allan
> Cc: u-boot at lists.denx.de
> Subject: Re: [U-Boot] U-Boot for MIPS AR7161
> 
> Hi Allan,
> 
> 2012/11/27 Drassal, Allan <drasal at wsu.edu>:
> > I am attempting to create a U-Boot image for a router, Buffalo
> WZR-HP-AG300H, details can be found here,
> http://wiki.openwrt.org/toh/buffalo/wzr-hp-ag300h.
> >
> > I am having trouble compiling and/or finding a pre-compiled version of
> U-Boot for it.
> >
> > I am attempting to recover a router that has its bootloader erased, I
> have an identical router that is functioning and have debug access through
> JTAG to both devices.
> 
> have you tried to dump the MTD partition of U-Boot on the working device?

I have dumped all the partitions from the working device from the linux console onto a USB memory stick.

> 
> > I located one image on the internet 8Muboot_RAM_version.bin, and loaded
> it into ram and executed it, but I don't receive any serial output, but
> it does turn on one LED indicator on the board, indicating that the program
> did execute somewhat.  This was built for the AR724x processor though, and
> might be why it is not functioning fully.
> 
> Do you know the original text base address of that binary? If you load
> the binary to the wrong address, function calls or relocation will not
> work.
> 

The original base address is mapped to flash memory, I believe it is 0xbfc03860.
This is the first address the processor looks to upon startup I believe.