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From: Scott Wood <scottwood@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/4] Use LINK_OFF to access global data
Date: Tue, 5 Jan 2010 14:20:32 -0600	[thread overview]
Message-ID: <20100105202032.GB26296@loki.buserror.net> (raw)
In-Reply-To: <4B40F8DB.1090509@free.fr>

On Sun, Jan 03, 2010 at 09:06:51PM +0100, Albert ARIBAUD wrote:
> Hmm... PIC is interesting only if you want the same binary to run from 
> two places, like NOR then RAM, which is the case when U-boot is the code 
> which gets run in NOR at power-up and ends up running in RAM later.
> 
> For NAND-based boards, the NAND bootloader will load U-boot to RAM, and 
> U-boot will never run from anywhere else but its intended RAM location.

Note that the first-stage NAND loader still needs to be able to relocate
itself to RAM in order to free up the NAND buffer for loading more data.

-Scott

  parent reply	other threads:[~2010-01-05 20:20 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-30 15:08 [U-Boot] [PATCH 0/4] Make u-boot true PIC for ppc Joakim Tjernlund
2009-12-30 15:08 ` [U-Boot] [PATCH 1/4] ppc: Add const void *link_off(const void *addr) Joakim Tjernlund
2009-12-30 15:08   ` [U-Boot] [PATCH 2/4] Use LINK_OFF to access global data Joakim Tjernlund
2009-12-30 15:08     ` [U-Boot] [PATCH 3/4] Use LINK_OFF in enviroment too Joakim Tjernlund
2009-12-30 15:08       ` [U-Boot] [PATCH 4/4] ppc: Make mpc83xx start.S relative Joakim Tjernlund
2009-12-31 18:44     ` [U-Boot] [PATCH 2/4] Use LINK_OFF to access global data Mike Frysinger
2010-01-01  1:39       ` Joakim Tjernlund
2010-01-01  6:18         ` Mike Frysinger
2010-01-01 16:29           ` Joakim Tjernlund
2010-01-02  3:14             ` Mike Frysinger
2010-01-02 18:17         ` Wolfgang Denk
2010-01-03 10:48           ` Joakim Tjernlund
2010-01-02 18:13     ` Wolfgang Denk
2010-01-03 10:33       ` Joakim Tjernlund
2010-01-03 19:51         ` Wolfgang Denk
2010-01-03 20:06           ` Albert ARIBAUD
2010-01-03 20:17             ` Wolfgang Denk
2010-01-03 20:41               ` Albert ARIBAUD
2010-01-03 21:07                 ` Wolfgang Denk
2010-01-04  6:54                   ` Albert ARIBAUD
2010-01-03 22:29                 ` Graeme Russ
2010-01-05 20:20             ` Scott Wood [this message]
2010-01-05 22:11               ` Joakim Tjernlund
2010-01-06 21:02                 ` Scott Wood
2010-01-04  1:08           ` Joakim Tjernlund
2010-01-05  0:40           ` Mike Frysinger
  -- strict thread matches above, loose matches on Subject: below --
2009-11-02 18:01 [U-Boot] [PATCH 0/4] Make u-boot true PIC for ppc Joakim Tjernlund
2009-11-02 18:01 ` [U-Boot] [PATCH 1/4] ppc: Add const void *link_off(const void *addr) Joakim Tjernlund
2009-11-02 18:01   ` [U-Boot] [PATCH 2/4] Use LINK_OFF to access global data Joakim Tjernlund

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