From: Wolfgang Denk <wd@denx.de>
To: "Jason Park" <jason@amadeus.kist.re.kr>
Cc: "LINUX MAILING LIST" <linuxppc-embedded@lists.linuxppc.org>
Subject: Re: Still having problems trying to get it to boot: PPCBOOT, MPC8260
Date: Tue, 04 Feb 2003 09:29:05 +0100 [thread overview]
Message-ID: <20030204082910.650EFC608E@atlas.denx.de> (raw)
In-Reply-To: Your message of "Tue, 04 Feb 2003 17:12:08 +0900." <000c01c2cc25$2ee65b20$5e207aa1@fish>
In message <000c01c2cc25$2ee65b20$5e207aa1@fish> you wrote:
>
> 2)unpacked the source for PPCBOOT, my board is specifically the ep8260.
> since it has a HRW set to boot from location 0xfff0000 in flash, i change
> the appropriate starting location in the config.mk file for PPCBOOT then I
Please explain what you changed; the config.mk for the ep8260 board
reads "TEXT_BASE = 0xFFF00000" which looks OK to me.
> 4)at prompt, i type in "reset", then "go" and it throws me into debug mode.
> (or "go 0xfff00000")
Type "reset" and "info" and check where the PC is pointing to. You
may have a problem with your BDI's config file so the CPU does not
get stopped immediately after a reset, but only after some delay.
This might explain that "reset" and "go" does not work. Also, please
note that thge reset entry point is at offset 0x100, so "go
0xfff00000" is definitely wrong - try "go 0xfff00100" instead.
Another test: disconnect the BDI, and power-cycle the board.
Best regards,
Wolfgang Denk
--
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd@denx.de
Vor allem kein Gedanke! Nichts ist kompromittierender als ein Gedan-
ke! - Friedrich Wilhelm Nietzsche _Der Fall Wagner_ (1888)
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2003-02-04 8:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-04 8:12 Still having problems trying to get it to boot: PPCBOOT, MPC8260 Jason Park
2003-02-04 8:29 ` Wolfgang Denk [this message]
2003-02-05 2:14 ` Jason Park
2003-02-05 9:14 ` Wolfgang Denk
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