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Re: initial bootstrap and jtag

To: "Clem Taylor" <>
Subject: Re: initial bootstrap and jtag
From: "Ed Okerson" <>
Date: Mon, 31 Jan 2005 13:15:09 -0800 (PST)
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I use the BDI-2000 for an AU1500 based board.  For the boot loader I found
u-boot to be very functional.  It did require a bit of patching to handle
the Au1500 in little endian mode, but since that is now done everything
works great.

Ed Okerson

> We are finishing up the design of our new Au1550 based board. I was
> wondering if someone could recommend an ejtag wiggler. I need
> something that has full linux host support, is good enough to flash a
> bootloader and do some minimal debug while getting the board support
> working. Looking over the list some people seem to be using the
> Abatron BDI 2000 and others are using the Macraigor mpDemon. What do
> you guys recommend?
> This is my first time doing embedded linux, but I've done quite a bit
> with DSPs (written bootloaders, flash programmers, etc). I was
> wondering how people go about bootstrapping new Au1xxx systems. Who is
> responsible for configuring the PLL or SDRAM enough to allow code to
> be loaded into SDRAM? Are bootloaders like YAMON position independent
> to run out of SDRAM?
>                                      Thanks,
>                                      Clem

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