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authorDenis 'GNUtoo' Carikli <GNUtoo@no-log.org>2012-04-14 14:30:49 +0200
committerPatrick Georgi <patrick@georgi-clan.de>2012-04-25 12:07:07 +0200
commit8919729307028746cf7bc527ca511183fe3b401b (patch)
tree399b2fb81976a983a0a9775ecd27bd3b4f8466c3
parent1e9c1b3e1d054350ddbbdf0d4ff2c307b488dab2 (diff)
downloadcoreboot-8919729307028746cf7bc527ca511183fe3b401b.tar.xz
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>
-rw-r--r--src/mainboard/asus/m4a785-m/romstage.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/mainboard/asus/m4a785-m/romstage.c b/src/mainboard/asus/m4a785-m/romstage.c
index a96592d20c..870af70f65 100644
--- a/src/mainboard/asus/m4a785-m/romstage.c
+++ b/src/mainboard/asus/m4a785-m/romstage.c
@@ -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)
{
+#ifndef CONFIG_BOARD_ASUS_M4A785TM
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 ((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;
}
}
+#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;
}