From 8919729307028746cf7bc527ca511183fe3b401b Mon Sep 17 00:00:00 2001 From: Denis 'GNUtoo' Carikli Date: Sat, 14 Apr 2012 14:30:49 +0200 Subject: [PATCH] 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 Reviewed-on: http://review.coreboot.org/900 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- src/mainboard/asus/m4a785-m/romstage.c | 9 +++++++++ 1 file changed, 9 insertions(+) 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; }