diff options
Diffstat (limited to 'resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0075-northbridge-amd-amdmct-mct_ddr3-Work-around-strange-.patch')
| -rw-r--r-- | resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0075-northbridge-amd-amdmct-mct_ddr3-Work-around-strange-.patch | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0075-northbridge-amd-amdmct-mct_ddr3-Work-around-strange-.patch b/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0075-northbridge-amd-amdmct-mct_ddr3-Work-around-strange-.patch deleted file mode 100644 index ed90d9f..0000000 --- a/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0075-northbridge-amd-amdmct-mct_ddr3-Work-around-strange-.patch +++ /dev/null @@ -1,42 +0,0 @@ -From 557954beb8c452750f9ffdd176896b2afb764f27 Mon Sep 17 00:00:00 2001 -From: Timothy Pearson <tpearson@raptorengineeringinc.com> -Date: Thu, 25 Jun 2015 18:37:45 -0500 -Subject: [PATCH 075/143] northbridge/amd/amdmct/mct_ddr3: Work around strange - phy training issue - -Change-Id: Ic7a19d24954f47c922126e3da7be1f7e85f7396f -Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> ---- - src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c | 16 ++++++++++++++++ - 1 file changed, 16 insertions(+) - -diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c -index 403c87c..85b8378 100644 ---- a/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c -+++ b/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c -@@ -207,6 +207,22 @@ uint8_t AgesaHwWlPhase2(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCT - - pDCTData->WLCriticalGrossDelayPrevPass = cgd; - -+ if (pDCTstat->Speed != pDCTstat->TargetFreq) { -+ /* FIXME -+ * Using the Pass 1 training values causes major phy training problems on -+ * all Family 15h processors I tested (Pass 1 values are randomly too high, -+ * and Pass 2 cannot lock). -+ * Figure out why this is and fix it, then remove the bypass code below... -+ */ -+ if (pass == FirstPass) { -+ for (ByteLane = 0; ByteLane < MAX_BYTE_LANES; ByteLane++) { -+ pDCTData->WLGrossDelay[index+ByteLane] = pDCTData->WLSeedGrossDelay[index+ByteLane]; -+ pDCTData->WLFineDelay[index+ByteLane] = pDCTData->WLSeedFineDelay[index+ByteLane]; -+ } -+ return 0; -+ } -+ } -+ - /* Compensate for occasional noise/instability causing sporadic training failure */ - for (ByteLane = 0; ByteLane < MAX_BYTE_LANES; ByteLane++) { - uint8_t faulty_value_detected = 0; --- -1.7.9.5 - |