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ASUS M4A785T-M mainboard: fix screen flickering issues 

Without that fix the screen flickered with resolutions superior
  to 832x624 because the cpu_ht_freq was 0 (so it ran at 200Mhz).

Change-Id: I1056d76b1d77f6177594ed9d03ecc5ae7b3c2c13
Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>
Reviewed-on: http://review.coreboot.org/900
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
This commit is contained in:
Denis 'GNUtoo' Carikli 2012-04-14 14:30:49 +02:00 committed by Patrick Georgi
parent 1e9c1b3e1d
commit 8919729307
1 changed files with 9 additions and 0 deletions
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9
src/mainboard/asus/m4a785-m/romstage.c
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@ -246,6 +246,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
*/ */
BOOL AMD_CB_ManualBUIDSwapList (u8 node, u8 link, const u8 **List) BOOL AMD_CB_ManualBUIDSwapList (u8 node, u8 link, const u8 **List)
{ {
#ifndef CONFIG_BOARD_ASUS_M4A785TM
static const u8 swaplist[] = { 0xFF, CONFIG_HT_CHAIN_UNITID_BASE, CONFIG_HT_CHAIN_END_UNITID_BASE, 0xFF }; static const u8 swaplist[] = { 0xFF, CONFIG_HT_CHAIN_UNITID_BASE, CONFIG_HT_CHAIN_END_UNITID_BASE, 0xFF };
/* If the BUID was adjusted in early_ht we need to do the manual override */ /* If the BUID was adjusted in early_ht we need to do the manual override */
if ((CONFIG_HT_CHAIN_UNITID_BASE != 0) && (CONFIG_HT_CHAIN_END_UNITID_BASE != 0)) { if ((CONFIG_HT_CHAIN_UNITID_BASE != 0) && (CONFIG_HT_CHAIN_END_UNITID_BASE != 0)) {
@ -255,6 +256,14 @@ BOOL AMD_CB_ManualBUIDSwapList (u8 node, u8 link, const u8 **List)
return 1; return 1;
} }
} }
#else
static const u8 swaplist[] = {0, 1, 0xFF, 0, 0xFF};
/* If the BUID was adjusted in early_ht we need to do the manual override */
if ((node == 0) && (link == 0)) { /* BSP SB link */
*List = swaplist;
return 1;
}
#endif
return 0; return 0;
} }