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authorSiyuan Wang <wangsiyuanbuaa@gmail.com>2013-07-25 15:14:15 +0800
committerBruce Griffith <Bruce.Griffith@se-eng.com>2013-08-04 05:40:37 +0200
commitaffe85fbc8a13d35960aa92ae87cbb6330ad253f (patch)
tree9c1ace69f12b06b6544faf041994aa4288fb2e45 /src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbCpb.c
parentae8d06969bdde9b1250bc3c4ad93f5db408dae98 (diff)
AMD Kabini: Add AGESA/PI code for new processor family
Change-Id: Icb6f64e2e3cfd678fb4fb4f13f0e4b678d5acc4a Signed-off-by: Siyuan Wang <SiYuan.Wang@amd.com> Signed-off-by: Siyuan Wang <wangsiyuanbuaa@gmail.com> Reviewed-by: Nick Dill <nick.dill@se-eng.com> Tested-by: Bruce Griffith <bruce.griffith@se-eng.com> Reviewed-on: http://review.coreboot.org/3836 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martin.roth@se-eng.com>
Diffstat (limited to 'src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbCpb.c')
-rw-r--r--src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbCpb.c195
1 files changed, 195 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbCpb.c b/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbCpb.c
new file mode 100644
index 0000000000..db00c58e95
--- /dev/null
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbCpb.c
@@ -0,0 +1,195 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * AMD Family_16 CPB Initialization
+ *
+ * Enables core performance boost.
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project: AGESA
+ * @e sub-project: CPU/0x16/KB
+ * @e \$Revision: 84150 $ @e \$Date: 2012-12-12 15:46:25 -0600 (Wed, 12 Dec 2012) $
+ *
+ */
+/*
+ ******************************************************************************
+ *
+ * Copyright (c) 2008 - 2013, 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.
+ ******************************************************************************
+ */
+
+/*----------------------------------------------------------------------------------------
+ * M O D U L E S U S E D
+ *----------------------------------------------------------------------------------------
+ */
+#include "AGESA.h"
+#include "amdlib.h"
+#include "GeneralServices.h"
+#include "cpuFamilyTranslation.h"
+#include "cpuF16PowerMgmt.h"
+#include "F16KbPowerMgmt.h"
+#include "cpuFeatures.h"
+#include "cpuCpb.h"
+#include "Filecode.h"
+CODE_GROUP (G3_DXE)
+RDATA_GROUP (G3_DXE)
+
+#define FILECODE PROC_CPU_FAMILY_0X16_KB_F16KBCPB_FILECODE
+
+/*----------------------------------------------------------------------------------------
+ * D E F I N I T I O N S A N D M A C R O S
+ *----------------------------------------------------------------------------------------
+ */
+
+/*----------------------------------------------------------------------------------------
+ * T Y P E D E F S A N D S T R U C T U R E S
+ *----------------------------------------------------------------------------------------
+ */
+
+/*----------------------------------------------------------------------------------------
+ * P R O T O T Y P E S O F L O C A L F U N C T I O N S
+ *----------------------------------------------------------------------------------------
+ */
+
+/*----------------------------------------------------------------------------------------
+ * E X P O R T E D F U N C T I O N S
+ *----------------------------------------------------------------------------------------
+ */
+BOOLEAN
+STATIC
+F16KbIsCpbSupported (
+ IN CPB_FAMILY_SERVICES *CpbServices,
+ IN PLATFORM_CONFIGURATION *PlatformConfig,
+ IN UINT32 Socket,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ );
+
+AGESA_STATUS
+STATIC
+F16KbInitializeCpb (
+ IN CPB_FAMILY_SERVICES *CpbServices,
+ IN PLATFORM_CONFIGURATION *PlatformConfig,
+ IN UINT64 EntryPoint,
+ IN UINT32 Socket,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ );
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * BSC entry point for checking whether or not CPB is supported.
+ *
+ * @param[in] CpbServices The current CPU's family services.
+ * @param[in] PlatformConfig Contains the runtime modifiable feature input data.
+ * @param[in] Socket Zero based socket number to check.
+ * @param[in] StdHeader Config handle for library and services.
+ *
+ * @retval TRUE CPB is supported.
+ * @retval FALSE CPB is not supported.
+ *
+ */
+BOOLEAN
+STATIC
+F16KbIsCpbSupported (
+ IN CPB_FAMILY_SERVICES *CpbServices,
+ IN PLATFORM_CONFIGURATION *PlatformConfig,
+ IN UINT32 Socket,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ UINT64 MsrData;
+ BOOLEAN CpbSupported;
+ CPB_CTRL_REGISTER CpbControl;
+ PCI_ADDR PciAddress;
+
+ CpbSupported = FALSE;
+
+ PciAddress.AddressValue = CPB_CTRL_PCI_ADDR;
+ LibAmdPciRead (AccessWidth32, PciAddress, &CpbControl, StdHeader);
+ if (CpbControl.NumBoostStates != 0) {
+ LibAmdMsrRead (MSR_PSTATE_0, &MsrData, StdHeader);
+ if (((PSTATE_MSR *) &MsrData)->PsEnable == 1) {
+ CpbSupported = TRUE;
+ }
+ }
+ return CpbSupported;
+}
+
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * BSC entry point for for enabling Core Performance Boost.
+ *
+ * Set up D18F4x15C[BoostSrc] and start the PDMs according to the BKDG.
+ *
+ * @param[in] CpbServices The current CPU's family services.
+ * @param[in] PlatformConfig Contains the runtime modifiable feature input data.
+ * @param[in] EntryPoint Current CPU feature dispatch point.
+ * @param[in] Socket Zero based socket number to check.
+ * @param[in] StdHeader Config handle for library and services.
+ *
+ * @retval AGESA_SUCCESS Always succeeds.
+ *
+ */
+AGESA_STATUS
+STATIC
+F16KbInitializeCpb (
+ IN CPB_FAMILY_SERVICES *CpbServices,
+ IN PLATFORM_CONFIGURATION *PlatformConfig,
+ IN UINT64 EntryPoint,
+ IN UINT32 Socket,
+ IN AMD_CONFIG_PARAMS *StdHeader
+ )
+{
+ CPB_CTRL_REGISTER CpbControl;
+ PCI_ADDR PciAddress;
+ F16_PSTATE_MSR PstateMsrData;
+ UINT32 Pbx;
+
+ if ((EntryPoint & (CPU_FEAT_AFTER_POST_MTRR_SYNC | CPU_FEAT_AFTER_RESUME_MTRR_SYNC)) != 0) {
+ PciAddress.AddressValue = CPB_CTRL_PCI_ADDR;
+ LibAmdPciRead (AccessWidth32, PciAddress, &CpbControl, StdHeader);
+ if ((CpbControl.BoostSrc == 0) && (CpbControl.NumBoostStates != 0)) {
+ // If any boosted P-state is still enabled, set BoostSrc = 1.
+ for (Pbx = 0; Pbx < CpbControl.NumBoostStates; Pbx++) {
+ LibAmdMsrRead (PS_REG_BASE + Pbx, (UINT64 *)&PstateMsrData, StdHeader);
+ if (PstateMsrData.PsEnable == 1) {
+ CpbControl.BoostSrc = 1;
+ LibAmdPciWrite (AccessWidth32, PciAddress, &CpbControl, StdHeader);
+ break;
+ }
+ }
+ }
+ }
+ return AGESA_SUCCESS;
+}
+
+CONST CPB_FAMILY_SERVICES ROMDATA F16KbCpbSupport =
+{
+ 0,
+ F16KbIsCpbSupported,
+ F16KbInitializeCpb
+};