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>
diff --git a/src/mainboard/asus/m4a785-m/romstage.c b/src/mainboard/asus/m4a785-m/romstage.c
index a96592d..870af70 100644
--- a/src/mainboard/asus/m4a785-m/romstage.c
+++ b/src/mainboard/asus/m4a785-m/romstage.c
@@ -246,6 +246,7 @@
*/
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 @@
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;
}