diff options
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-.patch | 144 |
1 files changed, 0 insertions, 144 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 deleted file mode 100644 index aa57af94..00000000 --- a/resources/libreboot/patch/kgpe-d16/0139-northbridge-amd-amdht-Fix-XCS-buffer-count-setup-on-.patch +++ /dev/null @@ -1,144 +0,0 @@ -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 - |