From: Vladimir Gurevich <vag@paulidav.org>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] RE: More On Memory Bank x (nothingness)?
Date: Mon, 10 Feb 2003 13:21:58 -0800 [thread overview]
Message-ID: <3E4817F6.40005@paulidav.org> (raw)
In-Reply-To: <EGEGIJHKDKJGAJMGIDPNIENOCGAA.jwalden@digitalatlantic.com>
Jerry,
I guess the point is EXACTLY to have a CS, which doesn't have anything
connected to it. The idea is to use a certain address space, which is
cached. Thus, you don't have to have real memory there, it is all
in the cache anyway. They chose CS4 to make sure that even if something
goes to the bus, there are no unpleasant side effects, since CS4 is not used.
As I said in the previous email, I also had some problems using this
piece of code and quickly moved on to use OCM, just because I knew that
another bootloader used it anyway.
Happy hacking,
Vladimir
next prev parent reply other threads:[~2003-02-10 21:21 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <EGEGIJHKDKJGAJMGIDPNOEKACDAA.jwalden@digitalatlantic.com>
2002-12-31 20:46 ` [U-Boot-Users] How To Use gdb w/ u-boot source tree Wolfgang Denk
2002-12-31 23:50 ` Jerry Walden
2003-01-02 12:01 ` Wolfgang Denk
2003-01-05 23:48 ` [U-Boot-Users] PPC405GP - uboot - can't get past stackloop Jerry Walden
2003-01-05 23:02 ` Wolfgang Denk
2003-01-06 2:37 ` Jerry Walden
2003-01-05 23:46 ` Wolfgang Denk
2003-01-06 17:05 ` Jerry Walden
2003-01-06 15:18 ` Wolfgang Denk
2003-01-20 20:12 ` [U-Boot-Users] relocate code Jerry Walden
2003-01-20 21:23 ` Wolfgang Denk
2003-01-21 15:20 ` [U-Boot-Users] " Jerry Walden
2003-01-21 15:48 ` Chris Hallinan
2003-02-10 19:26 ` [U-Boot-Users] Memory Bank x (nothingness)? Jerry Walden
2003-02-10 20:54 ` [U-Boot-Users] RE: More On " Jerry Walden
2003-02-10 21:21 ` Vladimir Gurevich [this message]
2003-02-10 21:43 ` Chris Hallinan
2003-02-11 0:24 ` Wolfgang Denk
2003-02-11 14:51 ` Chris Hallinan
2003-02-10 21:15 ` [U-Boot-Users] " Vladimir Gurevich
2003-02-11 0:21 ` Wolfgang Denk
2003-03-10 21:32 ` [U-Boot-Users] Loading the Linux Kernel Jerry Walden
2003-03-10 23:10 ` Wolfgang Denk
2003-03-11 21:49 ` [U-Boot-Users] Expanding " Jerry Walden
2003-03-11 22:34 ` Wolfgang Denk
2003-03-12 15:38 ` Jerry Walden
2003-03-12 19:37 ` Wolfgang Denk
2003-04-28 22:31 ` [U-Boot-Users] 405gp vs. 405gpr Jerry Walden
2003-04-28 22:52 ` Wolfgang Denk
2003-04-29 12:40 ` Stefan Roese
2003-04-29 16:09 ` Jerry Walden
2003-04-29 16:23 ` Stefan Roese
2003-01-31 17:42 ` [U-Boot-Users] Original PPC Boot Rom for IBM405GPr Eval Board Jerry Walden
2003-02-27 16:49 ` [U-Boot-Users] 405Gpr Jerry Walden
2003-02-27 17:05 ` Wolfgang Denk
2003-02-27 22:07 ` Jerry Walden
2003-02-27 22:22 ` Wolfgang Denk
2003-02-28 20:32 ` Jerry Walden
2003-03-03 22:34 ` [U-Boot-Users] Placing boot image an CompactFlash Jerry Walden
2003-03-03 23:24 ` Wolfgang Denk
2003-03-04 0:04 ` Jerry Walden
2003-03-04 0:13 ` Wolfgang Denk
2003-01-02 19:53 ` [U-Boot-Users] ppcboot version number Jerry Walden
2003-01-02 17:23 ` Stefan Roese
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