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-rwxr-xr-xsrc/vendorcode/amd/agesa/f12/Proc/Fch/Pcib/PcibLate.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f12/Proc/Fch/Pcib/PcibLate.c b/src/vendorcode/amd/agesa/f12/Proc/Fch/Pcib/PcibLate.c
new file mode 100755
index 0000000000..964e6043be
--- /dev/null
+++ b/src/vendorcode/amd/agesa/f12/Proc/Fch/Pcib/PcibLate.c
@@ -0,0 +1,94 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * Config Fch Pcib controller
+ *
+ * Init Pcib Controller features.
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project: AGESA
+ * @e sub-project: FCH
+ * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 17:16:51 +0800 (Wed, 22 Dec 2010) $
+ *
+ */
+/*
+*****************************************************************************
+*
+* Copyright (c) 2011, Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Advanced Micro Devices, Inc. nor the names of
+ * its contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+****************************************************************************
+*/
+#include "FchPlatform.h"
+#define FILECODE PROC_FCH_PCIB_PCIBLATE_FILECODE
+
+/**
+ * FchInitLatePcib - Prepare Pcib controller to boot to OS.
+ *
+ * @param[in] FchDataPtr Fch configuration structure pointer.
+ *
+ */
+VOID
+FchInitLatePcib (
+ IN VOID *FchDataPtr
+ )
+{
+ UINT8 Value;
+ UINT8 NStBit;
+ UINT8 NSBit;
+ UINT32 VarDd;
+ FCH_DATA_BLOCK *LocalCfgPtr;
+ AMD_CONFIG_PARAMS *StdHeader;
+
+ LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
+ StdHeader = LocalCfgPtr->StdHeader;
+
+ //
+ // We need to do the following setting in late post also because some bios core pci enumeration changes these values
+ // programmed during early post.
+ // Master Latency Timer
+ //
+ Value = 0x40;
+ WritePci ((PCIB_BUS_DEV_FUN << 16) + FCH_PCIB_REG0D, AccessWidth8, &Value, StdHeader);
+ WritePci ((PCIB_BUS_DEV_FUN << 16) + FCH_PCIB_REG1B, AccessWidth8, &Value, StdHeader);
+
+ //
+ // CLKRUN#
+ // FCH P2P AutoClock control settings.
+ // VarDd = (FchDataPtr->PcibAutoClkCtrlLow) | (FchDataPtr->PcibAutoClkCtrlLow);
+ //
+ if ( LocalCfgPtr->Pcib.PcibClockRun ) {
+ ReadMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REG54, AccessWidth8, &Value);
+ NStBit = Value & 0x03;
+ NSBit = (Value & 0x3F ) >> 2;
+ VarDd = (4 + (NStBit * 2) + (( 17 + NSBit) * 3) + 4) | 0x01;
+
+ VarDd = 9; // for A12
+ WritePci ((PCIB_BUS_DEV_FUN << 16) + FCH_PCIB_REG4C, AccessWidth32, &VarDd, StdHeader);
+ }
+
+ VarDd = (LocalCfgPtr->Pcib.PcibClkStopOverride);
+ RwPci ((PCIB_BUS_DEV_FUN << 16) + FCH_PCIB_REG50, AccessWidth16, 0x3F, (UINT16) (VarDd << 6), StdHeader);
+}