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authorFrancis Rowe <info@gluglug.org.uk>2015-11-06 07:45:49 +0000
committerFrancis Rowe <info@gluglug.org.uk>2015-11-06 08:01:51 +0000
commit60453ff2cbd1befe24959fba1d24f734406444e3 (patch)
tree74a6080455b2b00184fbc4a00503188032773986 /resources/libreboot/patch/kgpe-d16/0139-northbridge-amd-amdht-Fix-XCS-buffer-count-setup-on-.patch
parent51f5487e7d2c8809bdc7690fe26948064257b34d (diff)
downloadlibrebootfr-60453ff2cbd1befe24959fba1d24f734406444e3.tar.gz
librebootfr-60453ff2cbd1befe24959fba1d24f734406444e3.zip
Update coreboot to new version (use latest stable kgpe-d16 tree)
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0139-northbridge-amd-amdht-Fix-XCS-buffer-count-setup-on-.patch')
-rw-r--r--resources/libreboot/patch/kgpe-d16/0139-northbridge-amd-amdht-Fix-XCS-buffer-count-setup-on-.patch144
1 files changed, 144 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0139-northbridge-amd-amdht-Fix-XCS-buffer-count-setup-on-.patch b/resources/libreboot/patch/kgpe-d16/0139-northbridge-amd-amdht-Fix-XCS-buffer-count-setup-on-.patch
new file mode 100644
index 00000000..aa57af94
--- /dev/null
+++ b/resources/libreboot/patch/kgpe-d16/0139-northbridge-amd-amdht-Fix-XCS-buffer-count-setup-on-.patch
@@ -0,0 +1,144 @@
+From 01739baefdad1263adacb59442577941e037422f Mon Sep 17 00:00:00 2001
+From: Timothy Pearson <tpearson@raptorengineeringinc.com>
+Date: Mon, 7 Sep 2015 18:07:43 -0500
+Subject: [PATCH 139/143] northbridge/amd/amdht: Fix XCS buffer count setup on
+ AMD Family 15h CPUs
+
+Change-Id: Ie4bc8b3ea6b110bc507beda025de53d828118f55
+Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
+---
+ src/northbridge/amd/amdht/h3ncmn.c | 94 +++++++++++++++++++++++++++++++++++-
+ 1 file changed, 92 insertions(+), 2 deletions(-)
+
+diff --git a/src/northbridge/amd/amdht/h3ncmn.c b/src/northbridge/amd/amdht/h3ncmn.c
+index 369ce3e..6c111c6 100644
+--- a/src/northbridge/amd/amdht/h3ncmn.c
++++ b/src/northbridge/amd/amdht/h3ncmn.c
+@@ -2,6 +2,7 @@
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007 Advanced Micro Devices, Inc.
++ * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+@@ -1393,6 +1394,75 @@ static uint32_t fam10NorthBridgeFreqMask(u8 node, cNorthBridge *nb)
+
+ /***************************************************************************//**
+ *
++ * static u16
++ * fam15NorthBridgeFreqMask(u8 NodeID, cNorthBridge *nb)
++ *
++ * Description:
++ * Return a mask that eliminates HT frequencies that cannot be used due to a slow
++ * northbridge frequency.
++ *
++ * Parameters:
++ * @param[in] node = Result could (later) be for a specific node
++ * @param[in] *nb = this northbridge
++ * @return = Frequency mask
++ *
++ ******************************************************************************/
++static uint32_t fam15NorthBridgeFreqMask(u8 node, cNorthBridge *nb)
++{
++ u8 nbCOF;
++ uint32_t supported;
++
++ nbCOF = getMinNbCOF();
++ /*
++ * nbCOF is minimum northbridge speed in hundreds of MHz.
++ * HT can not go faster than the minimum speed of the northbridge.
++ */
++ if ((nbCOF >= 6) && (nbCOF < 10))
++ {
++ /* Generation 1 HT link frequency */
++ /* Convert frequency to bit and all less significant bits,
++ * by setting next power of 2 and subtracting 1.
++ */
++ supported = ((uint32_t)1 << ((nbCOF >> 1) + 2)) - 1;
++ }
++ else if ((nbCOF >= 10) && (nbCOF <= 32))
++ {
++ /* Generation 3 HT link frequency
++ * Assume error retry is enabled on all Gen 3 links
++ */
++ nbCOF *= 2;
++ if (nbCOF > 32)
++ nbCOF = 32;
++
++ /* Convert frequency to bit and all less significant bits,
++ * by setting next power of 2 and subtracting 1.
++ */
++ supported = ((uint32_t)1 << ((nbCOF >> 1) + 2)) - 1;
++ }
++ else if (nbCOF > 32)
++ {
++ supported = HT_FREQUENCY_LIMIT_3200M;
++ }
++ /* unlikely cases, but include as a defensive measure, also avoid trick above */
++ else if (nbCOF == 4)
++ {
++ supported = HT_FREQUENCY_LIMIT_400M;
++ }
++ else if (nbCOF == 2)
++ {
++ supported = HT_FREQUENCY_LIMIT_200M;
++ }
++ else
++ {
++ STOP_HERE;
++ supported = HT_FREQUENCY_LIMIT_200M;
++ }
++
++ return (fixEarlySampleFreqCapability(supported));
++}
++
++/***************************************************************************//**
++ *
+ * static void
+ * gatherLinkData(sMainData *pDat, cNorthBridge *nb)
+ *
+@@ -2270,6 +2340,26 @@ static void fam10BufferOptimizations(u8 node, sMainData *pDat, cNorthBridge *nb)
+ }
+ }
+
++/***************************************************************************//**
++ *
++ * static void
++ * fam15BufferOptimizations(u8 node, sMainData *pDat, cNorthBridge *nb)
++ *
++ * Description:
++ * Buffer tunings are inherently northbridge specific. Check for specific configs
++ * which require adjustments and apply any standard workarounds to this node.
++ *
++ * Parameters:
++ * @param[in] node = the node to tune
++ * @param[in] *pDat = global state
++ * @param[in] nb = this northbridge
++ *
++ ******************************************************************************/
++static void fam15BufferOptimizations(u8 node, sMainData *pDat, cNorthBridge *nb)
++{
++ /* Buffer count setup on Family 15h is currently handled in cpuSetAMDPCI */
++}
++
+ /*
+ * North Bridge 'constructor'.
+ *
+@@ -2328,11 +2418,11 @@ void newNorthBridge(u8 node, cNorthBridge *nb)
+ ht3SetCFGAddrMap,
+ convertBitsToWidth,
+ convertWidthToBits,
+- fam10NorthBridgeFreqMask,
++ fam15NorthBridgeFreqMask,
+ gatherLinkData,
+ setLinkData,
+ ht3WriteTrafficDistribution,
+- fam10BufferOptimizations,
++ fam15BufferOptimizations,
+ 0x00000001,
+ 0x00000200,
+ 18,
+--
+1.7.9.5
+