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Redboot platform_setup.h for Freescale mx31

From: alfred steele <alfred dot jaquez at gmail dot com>
To: ecos-discuss at ecos dot sourceware dot org
Date: Sat, 9 May 2009 13:00:56 -0500
Subject: [ECOS] Redboot platform_setup.h for Freescale mx31

Hi,

I am looking at the redboot
packages/hal/arm/mx31/3stack/current/include/hal_platform_setup.h in
the latest PDK 1.4 released by Freescale for the MX31. I am trying to
understand what do the following lines do using the GPIO3 pin. Are
they in anyway related to the enabling  the SD host controller driver.
I am trying to relate it to the init sequence  for SDHC on the PDK
board.
Appreciate your help!
Thanks,
Alfred.

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