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artecgroup/dbe62: Set up 4MB mode for LPC dongle

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This way we can fit a kernel and initramfs on the dongle's free ~3.75MB space
and have a debug system bootable right from inside the dongle. The start
address of the dongle is mem@0xffc00000 for FILO with 4MB minus ROM area
available.

This should be a no-op when not booting from the dongle.

Signed-off-by: Mart Raudsepp <mart.raudsepp@artecdesign.ee>
Acked-by: Ward Vandewege <ward@gnu.org>



git-svn-id: svn://coreboot.org/repository/coreboot-v3@660 f3766cd6-281f-0410-b1cd-43a5c92072e9
This commit is contained in:
Ward Vandewege 2008-04-16 21:34:56 +00:00
parent 5a19770667
commit df28d2058a
1 changed files with 3 additions and 0 deletions
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3
mainboard/artecgroup/dbe62/stage1.c
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@ -59,6 +59,9 @@ void hardware_stage1(void)
* early MSR setup for the CS5536.
*/
cs5536_setup_onchipuart(2);
/* Set up 4MB mode for Artec LPC Dongle (this should be a no-op when not booting from the dongle) */
outb(0xf4,0x88);
}
void mainboard_pre_payload(void)