soc/amd/stoneyridge: Add northbridge support

Copy northbridge files from northbridge/amd/pi/00670F00
to soc/amd/stoneyridge and soc/amd/common.

Changes:
- update chip_ops and device_ops
- remove multi-node support
- clean up Kconfig and Makefile

Change-Id: Ie86b4d744900f23502068517ece5bcea6c128993
Signed-off-by: Marc Jones <marcj303@gmail.com>
Reviewed-on: https://review.coreboot.org/19724
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>

22 files changed, 1803 insertions, 18 deletions

diff --git a/src/northbridge/amd/pi/Kconfig b/src/northbridge/amd/pi/Kconfig
index 49e915f7d7..4e200efeb6 100644
--- a/src/northbridge/amd/pi/Kconfig
+++ b/src/northbridge/amd/pi/Kconfig
@@ -16,7 +16,6 @@
 config NORTHBRIDGE_AMD_PI
 	bool
 	default y if CPU_AMD_PI
-	default y if SOC_AMD_PI
 	default n
 	select LATE_CBMEM_INIT
 
diff --git a/src/soc/amd/common/BiosCallOuts.h b/src/soc/amd/common/BiosCallOuts.h
new file mode 100644
index 0000000000..ac953cac56
--- /dev/null
+++ b/src/soc/amd/common/BiosCallOuts.h
@@ -0,0 +1,65 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011,2012 Advanced Micro Devices, Inc.
+ * Copyright (C) 2013 Sage Electronic Engineering, LLC
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef CALLOUTS_AMD_AGESA_H
+#define CALLOUTS_AMD_AGESA_H
+
+#include <Porting.h>
+#include <AGESA.h>
+
+#define BIOS_HEAP_START_ADDRESS 	0x010000000
+#define BIOS_HEAP_SIZE			0x30000
+#define BSP_STACK_BASE_ADDR		0x30000
+
+typedef struct _BIOS_HEAP_MANAGER {
+	UINT32 StartOfAllocatedNodes;
+	UINT32 StartOfFreedNodes;
+} BIOS_HEAP_MANAGER;
+
+typedef struct _BIOS_BUFFER_NODE {
+	UINT32 BufferHandle;
+	UINT32 BufferSize;
+	UINT32 NextNodeOffset;
+} BIOS_BUFFER_NODE;
+
+UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader);
+void EmptyHeap(void);
+
+AGESA_STATUS agesa_AllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+AGESA_STATUS agesa_DeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+AGESA_STATUS agesa_LocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+
+AGESA_STATUS agesa_NoopUnsupported (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+AGESA_STATUS agesa_NoopSuccess (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+AGESA_STATUS agesa_EmptyIdsInitData (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+AGESA_STATUS agesa_Reset (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+AGESA_STATUS agesa_RunFuncOnAp (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+AGESA_STATUS agesa_GfxGetVbiosImage(UINT32 Func, UINT32 FchData, VOID *ConfigPrt);
+
+AGESA_STATUS agesa_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+AGESA_STATUS agesa_ReadSpd_from_cbfs(UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+
+AGESA_STATUS GetBiosCallout (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+
+typedef struct {
+	UINT32 CalloutName;
+	CALLOUT_ENTRY CalloutPtr;
+} BIOS_CALLOUT_STRUCT;
+
+extern const BIOS_CALLOUT_STRUCT BiosCallouts[];
+extern const int BiosCalloutsLen;
+
+#endif /* CALLOUTS_AMD_AGESA_H */
diff --git a/src/soc/amd/common/Makefile.inc b/src/soc/amd/common/Makefile.inc
index 1a4927efaa..9d4588d079 100644
--- a/src/soc/amd/common/Makefile.inc
+++ b/src/soc/amd/common/Makefile.inc
@@ -2,10 +2,14 @@ ifeq ($(CONFIG_SOC_AMD_COMMON),y)
 
 cpu_incs-y += $(src)/soc/amd/common/cache_as_ram.inc
 
+romstage-y += agesawrapper.c
+romstage-y += def_callouts.c
 romstage-y += heapmanager.c
 
+ramstage-y += agesawrapper.c
 ramstage-y += amd_late_init.c
 ramstage-y += amd_pci_util.c
+ramstage-y += def_callouts.c
 ramstage-y += heapmanager.c
 ramstage-$(CONFIG_SPI_FLASH) += spi.c
 
diff --git a/src/soc/amd/common/agesawrapper.c b/src/soc/amd/common/agesawrapper.c
new file mode 100644
index 0000000000..b7c19cb72a
--- /dev/null
+++ b/src/soc/amd/common/agesawrapper.c
@@ -0,0 +1,416 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 - 2014 Advanced Micro Devices, Inc.
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <AGESA.h>
+#include <cbfs.h>
+#include <cbmem.h>
+#include <delay.h>
+#include <cpu/x86/mtrr.h>
+#include <cpuRegisters.h>
+#include <FchPlatform.h>
+#include <heapManager.h>
+#include <agesawrapper.h>
+#include <BiosCallOuts.h>
+
+void __attribute__((weak)) OemPostParams(AMD_POST_PARAMS *PostParams) {}
+
+#define FILECODE UNASSIGNED_FILE_FILECODE
+
+#ifndef __PRE_RAM__
+/* ACPI table pointers returned by AmdInitLate */
+static void *DmiTable    = NULL;
+static void *AcpiPstate  = NULL;
+static void *AcpiSrat    = NULL;
+static void *AcpiSlit    = NULL;
+
+static void *AcpiWheaMce = NULL;
+static void *AcpiWheaCmc = NULL;
+static void *AcpiAlib    = NULL;
+static void *AcpiIvrs    = NULL;
+static void *AcpiCrat    = NULL;
+#endif /* #ifndef __PRE_RAM__ */
+
+AGESA_STATUS agesawrapper_amdinitreset(void)
+{
+	AGESA_STATUS status;
+	AMD_INTERFACE_PARAMS AmdParamStruct;
+	AMD_RESET_PARAMS AmdResetParams;
+
+	LibAmdMemFill (&AmdParamStruct,
+		       0,
+		       sizeof(AMD_INTERFACE_PARAMS),
+		       &(AmdParamStruct.StdHeader));
+
+	LibAmdMemFill (&AmdResetParams,
+		       0,
+		       sizeof(AMD_RESET_PARAMS),
+		       &(AmdResetParams.StdHeader));
+
+	AmdParamStruct.AgesaFunctionName = AMD_INIT_RESET;
+	AmdParamStruct.AllocationMethod = ByHost;
+	AmdParamStruct.NewStructSize = sizeof(AMD_RESET_PARAMS);
+	AmdParamStruct.NewStructPtr = &AmdResetParams;
+	AmdParamStruct.StdHeader.AltImageBasePtr = 0;
+	AmdParamStruct.StdHeader.CalloutPtr = &GetBiosCallout;
+	AmdParamStruct.StdHeader.Func = 0;
+	AmdParamStruct.StdHeader.ImageBasePtr = 0;
+	AmdCreateStruct (&AmdParamStruct);
+
+	AmdResetParams.FchInterface.Xhci0Enable = IS_ENABLED(CONFIG_STONEYRIDGE_XHCI_ENABLE);
+
+	AmdResetParams.FchInterface.SataEnable = !((CONFIG_STONEYRIDGE_SATA_MODE == 0) || (CONFIG_STONEYRIDGE_SATA_MODE == 3));
+	AmdResetParams.FchInterface.IdeEnable = (CONFIG_STONEYRIDGE_SATA_MODE == 0) || (CONFIG_STONEYRIDGE_SATA_MODE == 3);
+
+	status = AmdInitReset(&AmdResetParams);
+	if (status != AGESA_SUCCESS) agesawrapper_amdreadeventlog(AmdParamStruct.StdHeader.HeapStatus);
+	AmdReleaseStruct (&AmdParamStruct);
+	return status;
+}
+
+AGESA_STATUS agesawrapper_amdinitearly(void)
+{
+	AGESA_STATUS status;
+	AMD_INTERFACE_PARAMS AmdParamStruct;
+	AMD_EARLY_PARAMS     *AmdEarlyParamsPtr;
+
+	LibAmdMemFill (&AmdParamStruct,
+		       0,
+		       sizeof(AMD_INTERFACE_PARAMS),
+		       &(AmdParamStruct.StdHeader));
+
+	AmdParamStruct.AgesaFunctionName = AMD_INIT_EARLY;
+	AmdParamStruct.AllocationMethod = PreMemHeap;
+	AmdParamStruct.StdHeader.AltImageBasePtr = 0;
+	AmdParamStruct.StdHeader.CalloutPtr = &GetBiosCallout;
+	AmdParamStruct.StdHeader.Func = 0;
+	AmdParamStruct.StdHeader.ImageBasePtr = 0;
+	AmdCreateStruct (&AmdParamStruct);
+
+	AmdEarlyParamsPtr = (AMD_EARLY_PARAMS *)AmdParamStruct.NewStructPtr;
+	OemCustomizeInitEarly (AmdEarlyParamsPtr);
+
+	AmdEarlyParamsPtr->GnbConfig.PsppPolicy = PsppDisabled;
+	status = AmdInitEarly ((AMD_EARLY_PARAMS *)AmdParamStruct.NewStructPtr);
+
+	if (status != AGESA_SUCCESS) agesawrapper_amdreadeventlog(AmdParamStruct.StdHeader.HeapStatus);
+	AmdReleaseStruct (&AmdParamStruct);
+
+	return status;
+}
+
+AGESA_STATUS agesawrapper_amdinitpost(void)
+{
+	AGESA_STATUS status;
+	AMD_INTERFACE_PARAMS  AmdParamStruct;
+	AMD_POST_PARAMS       *PostParams;
+
+	LibAmdMemFill (&AmdParamStruct,
+		       0,
+		       sizeof(AMD_INTERFACE_PARAMS),
+		       &(AmdParamStruct.StdHeader));
+
+	AmdParamStruct.AgesaFunctionName = AMD_INIT_POST;
+	AmdParamStruct.AllocationMethod = PreMemHeap;
+	AmdParamStruct.StdHeader.AltImageBasePtr = NULL;
+	AmdParamStruct.StdHeader.CalloutPtr = &GetBiosCallout;
+	AmdParamStruct.StdHeader.Func = 0;
+	AmdParamStruct.StdHeader.ImageBasePtr = 0;
+
+	AmdCreateStruct (&AmdParamStruct);
+	PostParams = (AMD_POST_PARAMS *)AmdParamStruct.NewStructPtr;
+
+	// Do not use IS_ENABLED here.  CONFIG_GFXUMA should always have a value.  Allow
+	// the compiler to flag the error if CONFIG_GFXUMA is not set.
+	PostParams->MemConfig.UmaMode = CONFIG_GFXUMA ? UMA_AUTO : UMA_NONE;
+	PostParams->MemConfig.UmaSize = 0;
+	PostParams->MemConfig.BottomIo = (UINT16)
+					 (CONFIG_BOTTOMIO_POSITION >> 24);
+
+	OemPostParams(PostParams);
+
+	status = AmdInitPost (PostParams);
+
+	/* If UMA is enabled we currently have it below TOP_MEM as well.
+	 * UMA may or may not be cacheable, so Sub4GCacheTop could be
+	 * higher than UmaBase. With UMA_NONE we see UmaBase==0. */
+	if (PostParams->MemConfig.UmaBase)
+		backup_top_of_low_cacheable(PostParams->MemConfig.UmaBase << 16);
+	else
+		backup_top_of_low_cacheable(PostParams->MemConfig.Sub4GCacheTop);
+
+
+	printk(
+			BIOS_SPEW,
+			"setup_uma_memory: umamode %s\n",
+			(PostParams->MemConfig.UmaMode == UMA_AUTO) ? "UMA_AUTO" :
+			(PostParams->MemConfig.UmaMode == UMA_SPECIFIED) ? "UMA_SPECIFIED" :
+			(PostParams->MemConfig.UmaMode == UMA_NONE) ? "UMA_NONE" :
+			"unknown"
+	);
+	printk(
+			BIOS_SPEW,
+			"setup_uma_memory: syslimit 0x%08llX, bottomio 0x%08lx\n",
+			(unsigned long long)(PostParams->MemConfig.SysLimit) << 16,
+			(unsigned long)(PostParams->MemConfig.BottomIo) << 16
+	);
+	printk(
+			BIOS_SPEW,
+			"setup_uma_memory: uma size %luMB, uma start 0x%08lx\n",
+			(unsigned long)(PostParams->MemConfig.UmaSize) >> (20 - 16),
+			(unsigned long)(PostParams->MemConfig.UmaBase) << 16
+	);
+
+	if (status != AGESA_SUCCESS) agesawrapper_amdreadeventlog(PostParams->StdHeader.HeapStatus);
+	AmdReleaseStruct (&AmdParamStruct);
+	/* Initialize heap space */
+	EmptyHeap();
+
+	return status;
+}
+
+AGESA_STATUS agesawrapper_amdinitenv(void)
+{
+	AGESA_STATUS status;
+	AMD_INTERFACE_PARAMS AmdParamStruct;
+	AMD_ENV_PARAMS       *EnvParam;
+
+	LibAmdMemFill (&AmdParamStruct,
+		       0,
+		       sizeof(AMD_INTERFACE_PARAMS),
+		       &(AmdParamStruct.StdHeader));
+
+	AmdParamStruct.AgesaFunctionName = AMD_INIT_ENV;
+	AmdParamStruct.AllocationMethod = PostMemDram;
+	AmdParamStruct.StdHeader.AltImageBasePtr = 0;
+	AmdParamStruct.StdHeader.CalloutPtr = &GetBiosCallout;
+	AmdParamStruct.StdHeader.Func = 0;
+	AmdParamStruct.StdHeader.ImageBasePtr = 0;
+	status = AmdCreateStruct (&AmdParamStruct);
+	EnvParam = (AMD_ENV_PARAMS *)AmdParamStruct.NewStructPtr;
+
+	EnvParam->FchInterface.AzaliaController = AzEnable;
+	EnvParam->FchInterface.SataClass = CONFIG_STONEYRIDGE_SATA_MODE;
+	EnvParam->FchInterface.SataEnable = !((CONFIG_STONEYRIDGE_SATA_MODE == 0) || (CONFIG_STONEYRIDGE_SATA_MODE == 3));
+	EnvParam->FchInterface.IdeEnable = (CONFIG_STONEYRIDGE_SATA_MODE == 0) || (CONFIG_STONEYRIDGE_SATA_MODE == 3);
+	EnvParam->FchInterface.SataIdeMode = (CONFIG_STONEYRIDGE_SATA_MODE == 3);
+	EnvParam->GnbEnvConfiguration.IommuSupport = FALSE;
+
+	status = AmdInitEnv (EnvParam);
+	if (status != AGESA_SUCCESS) agesawrapper_amdreadeventlog(EnvParam->StdHeader.HeapStatus);
+	/* Initialize Subordinate Bus Number and Secondary Bus Number
+	 * In platform BIOS this address is allocated by PCI enumeration code
+	 Modify D1F0x18
+	*/
+
+	return status;
+}
+
+#ifndef __PRE_RAM__
+VOID* agesawrapper_getlateinitptr (int pick)
+{
+	switch (pick) {
+	case PICK_DMI:
+		return DmiTable;
+	case PICK_PSTATE:
+		return AcpiPstate;
+	case PICK_SRAT:
+		return AcpiSrat;
+	case PICK_SLIT:
+		return AcpiSlit;
+	case PICK_WHEA_MCE:
+		return AcpiWheaMce;
+	case PICK_WHEA_CMC:
+		return AcpiWheaCmc;
+	case PICK_ALIB:
+		return AcpiAlib;
+	case PICK_IVRS:
+		return AcpiIvrs;
+	case PICK_CRAT:
+		return AcpiCrat;
+	default:
+		return NULL;
+	}
+}
+#endif /* #ifndef __PRE_RAM__ */
+
+AGESA_STATUS agesawrapper_amdinitmid(void)
+{
+	AGESA_STATUS status;
+	AMD_INTERFACE_PARAMS AmdParamStruct;
+	AMD_MID_PARAMS *MidParam;
+
+	/* Enable MMIO on AMD CPU Address Map Controller */
+	amd_initcpuio ();
+
+	LibAmdMemFill (&AmdParamStruct,
+		       0,
+		       sizeof(AMD_INTERFACE_PARAMS),
+		       &(AmdParamStruct.StdHeader));
+
+	AmdParamStruct.AgesaFunctionName = AMD_INIT_MID;
+	AmdParamStruct.AllocationMethod = PostMemDram;
+	AmdParamStruct.StdHeader.AltImageBasePtr = 0;
+	AmdParamStruct.StdHeader.CalloutPtr = &GetBiosCallout;
+	AmdParamStruct.StdHeader.Func = 0;
+	AmdParamStruct.StdHeader.ImageBasePtr = 0;
+
+	AmdCreateStruct (&AmdParamStruct);
+	MidParam = (AMD_MID_PARAMS *)AmdParamStruct.NewStructPtr;
+
+	MidParam->GnbMidConfiguration.iGpuVgaMode = 0;/* 0 iGpuVgaAdapter, 1 iGpuVgaNonAdapter; */
+	MidParam->GnbMidConfiguration.GnbIoapicAddress = 0xFEC20000;
+
+	MidParam->FchInterface.AzaliaController = AzEnable;
+	MidParam->FchInterface.SataClass = CONFIG_STONEYRIDGE_SATA_MODE;
+	MidParam->FchInterface.SataEnable = !((CONFIG_STONEYRIDGE_SATA_MODE == 0) || (CONFIG_STONEYRIDGE_SATA_MODE == 3));
+	MidParam->FchInterface.IdeEnable = (CONFIG_STONEYRIDGE_SATA_MODE == 0) || (CONFIG_STONEYRIDGE_SATA_MODE == 3);
+	MidParam->FchInterface.SataIdeMode = (CONFIG_STONEYRIDGE_SATA_MODE == 3);
+
+	status = AmdInitMid ((AMD_MID_PARAMS *)AmdParamStruct.NewStructPtr);
+	if (status != AGESA_SUCCESS) agesawrapper_amdreadeventlog(AmdParamStruct.StdHeader.HeapStatus);
+	AmdReleaseStruct (&AmdParamStruct);
+
+	return status;
+}
+
+#ifndef __PRE_RAM__
+AGESA_STATUS agesawrapper_amdinitlate(void)
+{
+	AGESA_STATUS Status;
+	AMD_INTERFACE_PARAMS AmdParamStruct;
+	AMD_LATE_PARAMS *AmdLateParams;
+
+	LibAmdMemFill (&AmdParamStruct,
+		       0,
+		       sizeof(AMD_INTERFACE_PARAMS),
+		       &(AmdParamStruct.StdHeader));
+
+	AmdParamStruct.AgesaFunctionName = AMD_INIT_LATE;
+	AmdParamStruct.AllocationMethod = PostMemDram;
+	AmdParamStruct.StdHeader.AltImageBasePtr = 0;
+	AmdParamStruct.StdHeader.CalloutPtr = &GetBiosCallout;
+	AmdParamStruct.StdHeader.HeapStatus = HEAP_SYSTEM_MEM;
+	AmdParamStruct.StdHeader.Func = 0;
+	AmdParamStruct.StdHeader.ImageBasePtr = 0;
+
+	/* NOTE: if not call amdcreatestruct, the initializer(AmdInitLateInitializer) would not be called */
+	AmdCreateStruct(&AmdParamStruct);
+	AmdLateParams = (AMD_LATE_PARAMS *)AmdParamStruct.NewStructPtr;
+	Status = AmdInitLate(AmdLateParams);
+	if (Status != AGESA_SUCCESS) {
+		agesawrapper_amdreadeventlog(AmdLateParams->StdHeader.HeapStatus);
+		ASSERT(Status == AGESA_SUCCESS);
+	}
+
+	DmiTable    = AmdLateParams->DmiTable;
+	AcpiPstate  = AmdLateParams->AcpiPState;
+
+	AcpiWheaMce = AmdLateParams->AcpiWheaMce;
+	AcpiWheaCmc = AmdLateParams->AcpiWheaCmc;
+	AcpiAlib    = AmdLateParams->AcpiAlib;
+	AcpiIvrs    = AmdLateParams->AcpiIvrs;
+	AcpiCrat    = AmdLateParams->AcpiCrat;
+
+	printk(BIOS_DEBUG, "DmiTable:%x, AcpiPstatein: %x, AcpiSrat:%x,"
+	       "AcpiSlit:%x, Mce:%x, Cmc:%x,"
+	       "Alib:%x, AcpiIvrs:%x in %s\n",
+	       (unsigned int)DmiTable, (unsigned int)AcpiPstate, (unsigned int)AcpiSrat,
+	       (unsigned int)AcpiSlit, (unsigned int)AcpiWheaMce, (unsigned int)AcpiWheaCmc,
+	       (unsigned int)AcpiAlib, (unsigned int)AcpiIvrs, __func__);
+
+	/* AmdReleaseStruct (&AmdParamStruct); */
+	return Status;
+}
+#endif /* #ifndef __PRE_RAM__ */
+
+AGESA_STATUS agesawrapper_amdlaterunaptask (
+	UINT32 Func,
+	UINT32 Data,
+	VOID *ConfigPtr
+	)
+{
+	AGESA_STATUS Status;
+	AP_EXE_PARAMS ApExeParams;
+
+	LibAmdMemFill (&ApExeParams,
+		       0,
+		       sizeof(AP_EXE_PARAMS),
+		       &(ApExeParams.StdHeader));
+
+	ApExeParams.StdHeader.AltImageBasePtr = 0;
+	ApExeParams.StdHeader.CalloutPtr = &GetBiosCallout;
+	ApExeParams.StdHeader.Func = 0;
+	ApExeParams.StdHeader.ImageBasePtr = 0;
+	ApExeParams.FunctionNumber = Func;
+	ApExeParams.RelatedDataBlock = ConfigPtr;
+
+	Status = AmdLateRunApTask (&ApExeParams);
+	if (Status != AGESA_SUCCESS) {
+		/* agesawrapper_amdreadeventlog(); */
+		ASSERT(Status == AGESA_SUCCESS);
+	}
+
+	return Status;
+}
+
+AGESA_STATUS agesawrapper_amdreadeventlog (UINT8 HeapStatus)
+{
+	AGESA_STATUS Status;
+	EVENT_PARAMS AmdEventParams;
+
+	LibAmdMemFill (&AmdEventParams,
+		       0,
+		       sizeof(EVENT_PARAMS),
+		       &(AmdEventParams.StdHeader));
+
+	AmdEventParams.StdHeader.AltImageBasePtr = 0;
+	AmdEventParams.StdHeader.CalloutPtr = &GetBiosCallout;
+	AmdEventParams.StdHeader.Func = 0;
+	AmdEventParams.StdHeader.ImageBasePtr = 0;
+	AmdEventParams.StdHeader.HeapStatus = HeapStatus;
+	Status = AmdReadEventLog (&AmdEventParams);
+	while (AmdEventParams.EventClass != 0) {
+		printk(BIOS_DEBUG,"\nEventLog:  EventClass = %x, EventInfo = %x.\n", (unsigned int)AmdEventParams.EventClass,(unsigned int)AmdEventParams.EventInfo);
+		printk(BIOS_DEBUG,"  Param1 = %x, Param2 = %x.\n",(unsigned int)AmdEventParams.DataParam1, (unsigned int)AmdEventParams.DataParam2);
+		printk(BIOS_DEBUG,"  Param3 = %x, Param4 = %x.\n",(unsigned int)AmdEventParams.DataParam3, (unsigned int)AmdEventParams.DataParam4);
+		Status = AmdReadEventLog (&AmdEventParams);
+	}
+
+	return Status;
+}
+
+const void *agesawrapper_locate_module (const CHAR8 name[8])
+{
+	const void* agesa;
+	const AMD_IMAGE_HEADER* image;
+	const AMD_MODULE_HEADER* module;
+	size_t file_size;
+
+	if (IS_ENABLED(CONFIG_VBOOT)) {
+		/* Use phys. location in flash and prevent vboot from searching cbmem */
+		agesa = (void *)CONFIG_AGESA_BINARY_PI_LOCATION;
+		file_size = 0x100000;
+	} else {
+		agesa = cbfs_boot_map_with_leak((const char *)CONFIG_CBFS_AGESA_NAME,
+					CBFS_TYPE_RAW, &file_size);
+	}
+
+	if (!agesa)
+		return NULL;
+	image =  LibAmdLocateImage(agesa, agesa + file_size - 1, 4096, name);
+	module = (AMD_MODULE_HEADER*)image->ModuleInfoOffset;
+
+	return module;
+}
diff --git a/src/soc/amd/common/agesawrapper.h b/src/soc/amd/common/agesawrapper.h
new file mode 100644
index 0000000000..b7f60ad3f0
--- /dev/null
+++ b/src/soc/amd/common/agesawrapper.h
@@ -0,0 +1,63 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 Advanced Micro Devices, Inc.
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _AGESAWRAPPER_H_
+#define _AGESAWRAPPER_H_
+
+#include <stdint.h>
+#include <Porting.h>
+#include <AGESA.h>
+
+/* TODO: Add a kconfig option to name the AGESA ROM file in CBFS */
+#ifndef CONFIG_CBFS_AGESA_NAME
+#define CONFIG_CBFS_AGESA_NAME	"AGESA"
+#endif
+
+enum {
+	PICK_DMI,       /* DMI Interface */
+	PICK_PSTATE,    /* Acpi Pstate SSDT Table */
+	PICK_SRAT,      /* SRAT Table */
+	PICK_SLIT,      /* SLIT Table */
+	PICK_WHEA_MCE,  /* WHEA MCE table */
+	PICK_WHEA_CMC,  /* WHEA CMV table */
+	PICK_ALIB,      /* SACPI SSDT table with ALIB implementation */
+	PICK_IVRS,      /* IOMMU ACPI IVRS(I/O Virtualization Reporting Structure) table */
+	PICK_CRAT,
+};
+
+AGESA_STATUS agesawrapper_amdinitreset(void);
+AGESA_STATUS agesawrapper_amdinitearly(void);
+AGESA_STATUS agesawrapper_amdinitenv(void);
+AGESA_STATUS agesawrapper_amdinitlate(void);
+AGESA_STATUS agesawrapper_amdinitpost(void);
+AGESA_STATUS agesawrapper_amdinitmid(void);
+AGESA_STATUS agesawrapper_amdreadeventlog(UINT8 HeapStatus);
+void *agesawrapper_getlateinitptr(int pick);
+AGESA_STATUS agesawrapper_amdlaterunaptask(UINT32 Func, UINT32 Data, void *ConfigPtr);
+AGESA_STATUS agesawrapper_amdS3Save(void);
+AGESA_STATUS agesawrapper_amdinitresume(void);
+AGESA_STATUS agesawrapper_amds3laterestore(void);
+
+AGESA_STATUS agesawrapper_fchs3earlyrestore(void);
+AGESA_STATUS agesawrapper_fchs3laterestore(void);
+
+VOID OemCustomizeInitEarly (IN	OUT AMD_EARLY_PARAMS *InitEarly);
+VOID amd_initcpuio(void);
+VOID amd_initmmio(void);
+const void *agesawrapper_locate_module (const CHAR8 name[8]);
+
+void OemPostParams(AMD_POST_PARAMS *PostParams);
+
+#endif /* _AGESAWRAPPER_H_ */
diff --git a/src/soc/amd/common/agesawrapper_call.h b/src/soc/amd/common/agesawrapper_call.h
new file mode 100644
index 0000000000..925a4240c0
--- /dev/null
+++ b/src/soc/amd/common/agesawrapper_call.h
@@ -0,0 +1,58 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _AGESAWRAPPER_CALL_H_
+#define _AGESAWRAPPER_CALL_H_
+
+#include <stdint.h>
+#include <console/console.h>
+#include <AGESA.h>
+
+/*
+ * Possible AGESA_STATUS values:
+ *
+ * 0x0 = AGESA_SUCCESS
+ * 0x1 = AGESA_UNSUPPORTED
+ * 0x2 = AGESA_BOUNDS_CHK
+ * 0x3 = AGESA_ALERT
+ * 0x4 = AGESA_WARNING
+ * 0x5 = AGESA_ERROR
+ * 0x6 = AGESA_CRITICAL
+ * 0x7 = AGESA_FATAL
+ */
+static const char * decodeAGESA_STATUS(AGESA_STATUS sret)
+{
+	const char* statusStrings[] = { "AGESA_SUCCESS", "AGESA_UNSUPPORTED",
+					"AGESA_BOUNDS_CHK", "AGESA_ALERT",
+					"AGESA_WARNING", "AGESA_ERROR",
+					"AGESA_CRITICAL", "AGESA_FATAL"
+					};
+	if (sret > 7) return "unknown"; /* Non-AGESA error code */
+	return statusStrings[sret];
+}
+
+static inline u32 do_agesawrapper(AGESA_STATUS (*func)(void), const char *name)
+{
+	AGESA_STATUS ret;
+	printk(BIOS_DEBUG, "agesawrapper_%s() entry\n", name);
+	ret = func();
+	printk(BIOS_DEBUG, "agesawrapper_%s() returned %s\n",
+			name, decodeAGESA_STATUS(ret));
+	return (u32)ret;
+}
+
+#define AGESAWRAPPER(func) do_agesawrapper(agesawrapper_ ## func, #func)
+
+#define AGESAWRAPPER_PRE_CONSOLE(func) agesawrapper_ ## func()
+
+#endif
diff --git a/src/soc/amd/common/amd_late_init.c b/src/soc/amd/common/amd_late_init.c
index d9a5b43743..3aee23ca7e 100644
--- a/src/soc/amd/common/amd_late_init.c
+++ b/src/soc/amd/common/amd_late_init.c
@@ -20,8 +20,8 @@
 #include <device/pci_def.h>
 #include <device/pci_ops.h>
 
-#include <northbridge/amd/pi/agesawrapper.h>
-#include <northbridge/amd/pi/agesawrapper_call.h>
+#include <agesawrapper.h>
+#include <agesawrapper_call.h>
 
 static void agesawrapper_post_device(void *unused)
 {
diff --git a/src/soc/amd/common/def_callouts.c b/src/soc/amd/common/def_callouts.c
new file mode 100644
index 0000000000..52b502c023
--- /dev/null
+++ b/src/soc/amd/common/def_callouts.c
@@ -0,0 +1,141 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Advanced Micro Devices, Inc.
+ * Copyright (C) 2013 Sage Electronic Engineering, LLC
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <cbfs.h>
+#include <spd_bin.h>
+
+#include <AGESA.h>
+#include <amdlib.h>
+#include <Ids.h>
+#include <agesawrapper.h>
+#include <BiosCallOuts.h>
+#include <dimmSpd.h>
+
+AGESA_STATUS GetBiosCallout (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+	UINTN i;
+
+	for (i = 0; i < BiosCalloutsLen; i++) {
+		if (BiosCallouts[i].CalloutName == Func)
+			break;
+	}
+	if (i >= BiosCalloutsLen)
+		return AGESA_UNSUPPORTED;
+
+	return BiosCallouts[i].CalloutPtr (Func, Data, ConfigPtr);
+}
+
+AGESA_STATUS agesa_NoopUnsupported (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+	return AGESA_UNSUPPORTED;
+}
+
+AGESA_STATUS agesa_NoopSuccess (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+	return AGESA_SUCCESS;
+}
+
+AGESA_STATUS agesa_EmptyIdsInitData (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+	IDS_NV_ITEM *IdsPtr = ((IDS_CALLOUT_STRUCT *) ConfigPtr)->IdsNvPtr;
+	if (Data == IDS_CALLOUT_INIT)
+		IdsPtr[0].IdsNvValue = IdsPtr[0].IdsNvId = 0xffff;
+	return AGESA_SUCCESS;
+}
+
+AGESA_STATUS agesa_Reset (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+	AGESA_STATUS        Status;
+	UINT8                 Value;
+	UINTN               ResetType;
+	AMD_CONFIG_PARAMS   *StdHeader;
+
+	ResetType = Data;
+	StdHeader = ConfigPtr;
+
+	//
+	// Perform the RESET based upon the ResetType. In case of
+	// WARM_RESET_WHENVER and COLD_RESET_WHENEVER, the request will go to
+	// AmdResetManager. During the critical condition, where reset is required
+	// immediately, the reset will be invoked directly by writing 0x04 to port
+	// 0xCF9 (Reset Port).
+	//
+	switch (ResetType) {
+	case WARM_RESET_WHENEVER:
+	case COLD_RESET_WHENEVER:
+		break;
+
+	case WARM_RESET_IMMEDIATELY:
+	case COLD_RESET_IMMEDIATELY:
+		Value = 0x06;
+		LibAmdIoWrite (AccessWidth8, 0xCf9, &Value, StdHeader);
+		break;
+
+	default:
+		break;
+	}
+
+	Status = 0;
+	return Status;
+}
+
+AGESA_STATUS agesa_RunFuncOnAp (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+	AGESA_STATUS        Status;
+
+	Status = agesawrapper_amdlaterunaptask (Func, Data, ConfigPtr);
+	return Status;
+}
+
+AGESA_STATUS agesa_GfxGetVbiosImage(UINT32 Func, UINT32 FchData, VOID *ConfigPrt)
+{
+	GFX_VBIOS_IMAGE_INFO  *pVbiosImageInfo = (GFX_VBIOS_IMAGE_INFO *)ConfigPrt;
+	pVbiosImageInfo->ImagePtr = cbfs_boot_map_with_leak(
+			"pci"CONFIG_VGA_BIOS_ID".rom",
+			CBFS_TYPE_OPTIONROM, NULL);
+	printk(BIOS_DEBUG, "agesa_GfxGetVbiosImage: IMGptr=%p\n", pVbiosImageInfo->ImagePtr);
+	return (pVbiosImageInfo->ImagePtr ? AGESA_SUCCESS : AGESA_WARNING);
+}
+
+AGESA_STATUS agesa_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+	AGESA_STATUS Status = AGESA_UNSUPPORTED;
+#ifdef __PRE_RAM__
+	Status = AmdMemoryReadSPD (Func, Data, ConfigPtr);
+#endif
+	return Status;
+}
+
+AGESA_STATUS agesa_ReadSpd_from_cbfs(UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+	AGESA_STATUS Status = AGESA_UNSUPPORTED;
+#ifdef __PRE_RAM__
+	AGESA_READ_SPD_PARAMS *info = ConfigPtr;
+	if (info->MemChannelId > 0)
+		return AGESA_UNSUPPORTED;
+	if (info->SocketId != 0)
+		return AGESA_UNSUPPORTED;
+	if (info->DimmId != 0)
+		return AGESA_UNSUPPORTED;
+
+	/* Read index 0, first SPD_SIZE bytes of spd.bin file. */
+	if (read_ddr3_spd_from_cbfs((u8*)info->Buffer, 0) < 0)
+		die("No SPD data\n");
+
+	Status = AGESA_SUCCESS;
+#endif
+	return Status;
+}
diff --git a/src/soc/amd/common/dimmSpd.h b/src/soc/amd/common/dimmSpd.h
new file mode 100644
index 0000000000..1ad45469e2
--- /dev/null
+++ b/src/soc/amd/common/dimmSpd.h
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 Advanced Micro Devices, Inc.
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _DIMMSPD_H_
+#define _DIMMSPD_H_
+
+AGESA_STATUS
+AmdMemoryReadSPD (IN UINT32 Func, IN UINT32 Data, IN OUT AGESA_READ_SPD_PARAMS *SpdData);
+
+int hudson_readSpd(int spdAddress, char *buf, size_t len);
+int smbus_readSpd(int spdAddress, char *buf, size_t len);
+
+#endif
diff --git a/src/soc/amd/stoneyridge/Kconfig b/src/soc/amd/stoneyridge/Kconfig
index 591037f4ab..d07833d0af 100644
--- a/src/soc/amd/stoneyridge/Kconfig
+++ b/src/soc/amd/stoneyridge/Kconfig
@@ -35,10 +35,11 @@ config CPU_SPECIFIC_OPTIONS
 	select HAVE_USBDEBUG_OPTIONS
 	select HAVE_HARD_RESET
 	select LAPIC_MONOTONIC_TIMER
-	select SOC_AMD_COMMON
-	select SOC_AMD_PI
+	select LATE_CBMEM_INIT
 	select SPI_FLASH if HAVE_ACPI_RESUME
 	select TSC_SYNC_LFENCE
+	select SOC_AMD_COMMON
+	select SOC_AMD_PI
 	select UDELAY_LAPIC
 
 config UDELAY_LAPIC_FIXED_FSB
@@ -69,6 +70,57 @@ config CDB
 	hex
 	default 0x18
 
+config BOTTOMIO_POSITION
+	hex "Bottom of 32-bit IO space"
+	default 0xD0000000
+	help
+	  If PCI peripherals with big BARs are connected to the system
+	  the bottom of the IO must be decreased to allocate such
+	  devices.
+
+	  Declare the beginning of the 128MB-aligned MMIO region.  This
+	  option is useful when PCI peripherals requesting large address
+	  ranges are present.
+
+config HW_MEM_HOLE_SIZEK
+	hex
+	default 0x200000
+
+config HW_MEM_HOLE_SIZE_AUTO_INC
+	bool
+	default n
+
+config MMCONF_BASE_ADDRESS
+	hex
+	default 0xF8000000
+
+config MMCONF_BUS_NUMBER
+	int
+	default 64
+
+config VGA_BIOS_ID
+	string
+	default "1002,98e4"
+	help
+	  The default VGA BIOS PCI vendor/device ID should be set to the
+	  result of the map_oprom_vendev() function in northbridge.c.
+
+config VGA_BIOS_FILE
+	string
+	default "3rdparty/blobs/northbridge/amd/00670F00/VBIOS.bin"
+
+config RAMTOP
+	hex
+	default 0x1000000
+
+config HEAP_SIZE
+	hex
+	default 0xc0000
+
+config RAMBASE
+	hex
+	default 0x200000
+
 config BOOTBLOCK_SOUTHBRIDGE_INIT
 	string
 	default "soc/amd/stoneyridge/bootblock/bootblock.c"
diff --git a/src/soc/amd/stoneyridge/Makefile.inc b/src/soc/amd/stoneyridge/Makefile.inc
index 9214488fc7..7ced68887b 100644
--- a/src/soc/amd/stoneyridge/Makefile.inc
+++ b/src/soc/amd/stoneyridge/Makefile.inc
@@ -38,11 +38,13 @@ subdirs-y += ../../../cpu/x86/pae
 subdirs-y += ../../../cpu/x86/smm
 
 romstage-y += early_setup.c
+romstage-y += dimmSpd.c
 romstage-$(CONFIG_USBDEBUG_IN_ROMSTAGE) += enable_usbdebug.c
 romstage-y += fixme.c
 romstage-$(CONFIG_STONEYRIDGE_IMC_FWM) += imc.c
 romstage-y += smbus.c
 romstage-y += smbus_spd.c
+romstage-y += ramtop.c
 romstage-$(CONFIG_STONEYRIDGE_UART) += uart.c
 
 ramstage-y += chip.c
@@ -56,6 +58,7 @@ ramstage-y += ide.c
 ramstage-$(CONFIG_STONEYRIDGE_IMC_FWM) += imc.c
 ramstage-y += lpc.c
 ramstage-y += model_15_init.c
+ramstage-y += northbridge.c
 ramstage-y += pci.c
 ramstage-y += pcie.c
 ramstage-y += reset.c
@@ -63,6 +66,7 @@ ramstage-y += sata.c
 ramstage-y += sd.c
 ramstage-y += sm.c
 ramstage-y += smbus.c
+ramstage-y += ramtop.c
 ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smi.c
 ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smi_util.c
 ramstage-$(CONFIG_STONEYRIDGE_UART) += uart.c
diff --git a/src/soc/amd/stoneyridge/acpi/northbridge.asl b/src/soc/amd/stoneyridge/acpi/northbridge.asl
new file mode 100644
index 0000000000..c5876ff4d4
--- /dev/null
+++ b/src/soc/amd/stoneyridge/acpi/northbridge.asl
@@ -0,0 +1,134 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Sage Electronic Engineering, LLC
+ * Copyright (C) 2016 Advanced Micro Devices, Inc.
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/* Note: Only need HID on Primary Bus */
+External (TOM1)
+External (TOM2)
+Name(_HID, EISAID("PNP0A08"))	/* PCI Express Root Bridge */
+Name(_CID, EISAID("PNP0A03"))	/* PCI Root Bridge */
+Name(_ADR, 0x00180000)	/* Dev# = BSP Dev#, Func# = 0 */
+
+/* Describe the Northbridge devices */
+
+Method(_BBN, 0, NotSerialized)	/* Bus number = 0 */
+{
+	Return(Zero)
+}
+
+Method(_STA, 0, NotSerialized)
+{
+	Return(0x0B)	/* Status is visible */
+}
+
+Method(_PRT,0, NotSerialized)
+{
+	If(PMOD)
+	{
+		Return(APR0)	/* APIC mode */
+	}
+	Return (PR0)		/* PIC Mode */
+}
+
+Device(AMRT) {
+	Name(_ADR, 0x00000000)
+} /* end AMRT */
+
+/* Gpp 0 */
+Device(PBR4) {
+	Name(_ADR, 0x00020001)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS4) }	/* APIC mode */
+		Return (PS4)			/* PIC Mode */
+	} /* end _PRT */
+} /* end PBR4 */
+
+/* Gpp 1 */
+Device(PBR5) {
+	Name(_ADR, 0x00020002)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS5) }	/* APIC mode */
+		Return (PS5)			/* PIC Mode */
+	} /* end _PRT */
+} /* end PBR5 */
+
+/* Gpp 2 */
+Device(PBR6) {
+	Name(_ADR, 0x00020003)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS6) }	/* APIC mode */
+		Return (PS6)			/* PIC Mode */
+	} /* end _PRT */
+} /* end PBR6 */
+
+/* Gpp 3 */
+Device(PBR7) {
+	Name(_ADR, 0x00020004)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS7) }	/* APIC mode */
+		Return (PS7)			/* PIC Mode */
+	} /* end _PRT */
+} /* end PBR7 */
+
+/* Gpp 4 */
+Device(PBR8) {
+	Name(_ADR, 0x00020005)
+	Name(_PRW, Package() {0x18, 4})
+	Method(_PRT,0) {
+		If(PMOD){ Return(APS8) }	/* APIC mode */
+		Return (PS8)			/* PIC Mode */
+	} /* end _PRT */
+} /* end PBR8 */
+
+Device(AZHD) {	/* 0:9.2 - HD Audio */
+	Name(_ADR, 0x00090002)
+	OperationRegion(AZPD, PCI_Config, 0x00, 0x100)
+		Field(AZPD, AnyAcc, NoLock, Preserve) {
+		offset (0x42),
+		NSDI, 1,
+		NSDO, 1,
+		NSEN, 1,
+		offset (0x44),
+		IPCR, 4,
+		offset (0x54),
+		PWST, 2,
+		, 6,
+		PMEB, 1,
+		, 6,
+		PMST, 1,
+		offset (0x62),
+		MMCR, 1,
+		offset (0x64),
+		MMLA, 32,
+		offset (0x68),
+		MMHA, 32,
+		offset (0x6C),
+		MMDT, 16,
+	}
+
+	Method (_INI, 0, NotSerialized)
+	{
+		If (LEqual (OSVR, 0x03))
+		{
+			Store (Zero, NSEN)
+			Store (One, NSDO)
+			Store (One, NSDI)
+		}
+	}
+} /* end AZHD */
diff --git a/src/soc/amd/stoneyridge/chip.c b/src/soc/amd/stoneyridge/chip.c
index 3faf536ef9..78a29f872d 100644
--- a/src/soc/amd/stoneyridge/chip.c
+++ b/src/soc/amd/stoneyridge/chip.c
@@ -12,25 +12,46 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  */
+
 #include <chip.h>
+#include <cpu/amd/mtrr.h>
+#include <cpu/cpu.h>
 #include <device/device.h>
 #include <device/pci.h>
 #include <soc/hudson.h>
+#include <soc/northbridge.h>
 
-static void pci_domain_set_resources(device_t dev)
+static void cpu_bus_init(device_t dev)
 {
-	assign_resources(dev->link_list);
+	initialize_cpus(dev->link_list);
 }
 
-static struct device_operations pci_domain_ops = {
-	.set_resources    = &pci_domain_set_resources,
+struct device_operations cpu_bus_ops = {
+	.read_resources	  = DEVICE_NOOP,
+	.set_resources	  = DEVICE_NOOP,
+	.enable_resources = DEVICE_NOOP,
+	.init		  = &cpu_bus_init,
+	.scan_bus	  = cpu_bus_scan,
 };
 
-static struct device_operations cpu_bus_ops = {
+struct device_operations pci_domain_ops = {
+	.read_resources	  = domain_read_resources,
+	.set_resources	  = domain_set_resources,
+	.enable_resources = domain_enable_resources,
+	.init		  = NULL,
+	.scan_bus	  = pci_domain_scan_bus,
+	.ops_pci_bus	  = pci_bus_default_ops,
 };
 
 static void enable_dev(device_t dev)
 {
+	static int done = 0;
+
+	if (!done) {
+		setup_bsp_ramtop();
+		done = 1;
+	}
+
 	/* Set the operations if it is a special bus type */
 	if (dev->path.type == DEVICE_PATH_DOMAIN) {
 		dev->ops = &pci_domain_ops;
@@ -49,6 +70,7 @@ static void soc_init(void *chip_info)
 static void soc_final(void *chip_info)
 {
 	hudson_final(chip_info);
+	fam15_finalize(chip_info);
 }
 
 struct chip_operations soc_amd_stoneyridge_ops = {
@@ -57,4 +79,3 @@ struct chip_operations soc_amd_stoneyridge_ops = {
 	.init = &soc_init,
 	.final = &soc_final
 };
-
diff --git a/src/soc/amd/stoneyridge/chip.h b/src/soc/amd/stoneyridge/chip.h
index 9dd4997931..f913b055a2 100644
--- a/src/soc/amd/stoneyridge/chip.h
+++ b/src/soc/amd/stoneyridge/chip.h
@@ -1,7 +1,7 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ * Copyright (C) 2010-2017 Advanced Micro Devices, Inc.
  *
  * 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
@@ -20,6 +20,7 @@
 
 struct soc_amd_stoneyridge_config
 {
+	u8 spdAddrLookup[1][1][2];
 	u32 ide0_enable : 1;
 	u32 sata0_enable : 1;
 	u32 boot_switch_sata_ide : 1;
@@ -30,4 +31,6 @@ struct soc_amd_stoneyridge_config
 
 typedef struct soc_amd_stoneyridge_config config_t;
 
+extern struct device_operations pci_domain_ops;
+
 #endif /* STONEYRIDGE_CHIP_H */
diff --git a/src/soc/amd/stoneyridge/dimmSpd.c b/src/soc/amd/stoneyridge/dimmSpd.c
new file mode 100644
index 0000000000..80fe12db0c
--- /dev/null
+++ b/src/soc/amd/stoneyridge/dimmSpd.c
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 - 2016 Advanced Micro Devices, Inc.
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <device/pci_def.h>
+#include <device/device.h>
+#include <stdlib.h>
+
+/* warning: Porting.h includes an open #pragma pack(1) */
+#include <Porting.h>
+#include <AGESA.h>
+#include <amdlib.h>
+#include "chip.h"
+#include <dimmSpd.h>
+
+AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PARAMS *info)
+{
+	int spdAddress;
+	DEVTREE_CONST struct device *dev = dev_find_slot(0, PCI_DEVFN(0x18, 2));
+	DEVTREE_CONST struct soc_amd_stoneyridge_config *config = dev->chip_info;
+
+	if ((dev == 0) || (config == 0))
+		return AGESA_ERROR;
+	if (info->SocketId >= ARRAY_SIZE(config->spdAddrLookup))
+		return AGESA_ERROR;
+	if (info->MemChannelId >= ARRAY_SIZE(config->spdAddrLookup[0]))
+		return AGESA_ERROR;
+	if (info->DimmId >= ARRAY_SIZE(config->spdAddrLookup[0][0]))
+		return AGESA_ERROR;
+	spdAddress = config->spdAddrLookup
+		[info->SocketId] [info->MemChannelId] [info->DimmId];
+	if (spdAddress == 0)
+		return AGESA_ERROR;
+	int err = hudson_readSpd(spdAddress, (void *) info->Buffer, 128);
+	if (err)
+		return AGESA_ERROR;
+	return AGESA_SUCCESS;
+}
diff --git a/src/soc/amd/stoneyridge/fixme.c b/src/soc/amd/stoneyridge/fixme.c
index 781d0097b0..a0935e727a 100644
--- a/src/soc/amd/stoneyridge/fixme.c
+++ b/src/soc/amd/stoneyridge/fixme.c
@@ -14,7 +14,7 @@
  */
 
 #include <cpu/x86/mtrr.h>
-#include <northbridge/amd/pi/agesawrapper.h>
+#include <agesawrapper.h>
 #include <amdlib.h>
 
 void amd_initcpuio(void)
diff --git a/src/soc/amd/stoneyridge/include/soc/gpio.h b/src/soc/amd/stoneyridge/include/soc/gpio.h
index 22c0fba123..07d4009efa 100644
--- a/src/soc/amd/stoneyridge/include/soc/gpio.h
+++ b/src/soc/amd/stoneyridge/include/soc/gpio.h
@@ -16,7 +16,7 @@
 #ifndef _STONEYRIDGE_GPIO_H_
 #define _STONEYRIDGE_GPIO_H_
 
-#include <soc/amd/common/amd_defs.h>
+#include <amd_defs.h>
 #include <types.h>
 
 #define CROS_GPIO_DEVICE_NAME	"AmdKern"
diff --git a/src/soc/amd/stoneyridge/include/soc/northbridge.h b/src/soc/amd/stoneyridge/include/soc/northbridge.h
new file mode 100644
index 0000000000..9ecbb13a9a
--- /dev/null
+++ b/src/soc/amd/stoneyridge/include/soc/northbridge.h
@@ -0,0 +1,26 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Advanced Micro Devices, Inc.
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef NORTHBRIDGE_AMD_AGESA_FAM15H_H
+#define NORTHBRIDGE_AMD_AGESA_FAM15H_H
+
+void cpu_bus_scan(device_t dev);
+void domain_enable_resources(device_t dev);
+void domain_read_resources(device_t dev);
+void domain_set_resources(device_t dev);
+void fam15_finalize(void *chip_info);
+void setup_uma_memory(void);
+
+#endif /* NORTHBRIDGE_AMD_AGESA_FAM15H_H */
diff --git a/src/soc/amd/stoneyridge/northbridge.c b/src/soc/amd/stoneyridge/northbridge.c
new file mode 100644
index 0000000000..71f4897b39
--- /dev/null
+++ b/src/soc/amd/stoneyridge/northbridge.c
@@ -0,0 +1,693 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015-2016 Advanced Micro Devices, Inc.
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+
+#include <arch/io.h>
+#include <arch/acpi.h>
+#include <arch/acpigen.h>
+#include <cbmem.h>
+#include <chip.h>
+#include <console/console.h>
+#include <cpu/amd/amdfam15.h>
+#include <cpu/amd/mtrr.h>
+#include <cpu/cpu.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/hypertransport.h>
+#include <lib.h>
+#include <agesawrapper.h>
+#include <agesawrapper_call.h>
+#include <soc/northbridge.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+/*
+ * AMD vendorcode files. Place at the end so coreboot defaults and maintained
+ * and not set by vendorcode
+ */
+#include <AGESA.h>
+#include <cpuRegisters.h>
+#include <FieldAccessors.h>
+#include <Options.h>
+#include <Porting.h>
+#include <Topology.h>
+
+#define MAX_NODE_NUMS (MAX_NODES * MAX_DIES)
+
+#if (defined CONFIG_EXT_CONF_SUPPORT) && CONFIG_EXT_CONF_SUPPORT == 1
+#error CONFIG_EXT_CONF_SUPPORT == 1 not support anymore!
+#endif
+
+typedef struct dram_base_mask {
+	u32 base; //[47:27] at [28:8]
+	u32 mask; //[47:27] at [28:8] and enable at bit 0
+} dram_base_mask_t;
+
+static unsigned node_nums;
+static unsigned sblink;
+static device_t __f0_dev;
+static device_t __f1_dev;
+static device_t __f2_dev;
+static device_t __f4_dev;
+static unsigned fx_dev = 0;
+
+static dram_base_mask_t get_dram_base_mask(u32 nodeid)
+{
+	device_t dev = __f1_dev;
+	dram_base_mask_t d;
+	u32 temp;
+	temp = pci_read_config32(dev, 0x44 + (nodeid << 3)); //[39:24] at [31:16]
+	d.mask = ((temp & 0xfff80000) >> (8 + 3)); // mask out  DramMask [26:24] too
+	temp = pci_read_config32(dev, 0x144 + (nodeid << 3)) & 0xff; //[47:40] at [7:0]
+	d.mask |= temp << 21;
+	temp = pci_read_config32(dev, 0x40 + (nodeid << 3)); //[39:24] at [31:16]
+	d.mask |= (temp & 1); // enable bit
+	d.base = ((temp & 0xfff80000) >> (8 + 3)); // mask out DramBase [26:24) too
+	temp = pci_read_config32(dev, 0x140 + (nodeid << 3)) & 0xff; //[47:40] at [7:0]
+	d.base |= temp << 21;
+	return d;
+}
+
+static void set_io_addr_reg(device_t dev, u32 nodeid, u32 linkn, u32 reg,
+			u32 io_min, u32 io_max)
+{
+	u32 tempreg;
+	/* io range allocation */
+	tempreg = (nodeid & 0xf) | ((nodeid & 0x30) << (8 - 4)) | (linkn << 4) | ((io_max & 0xf0) << (12 - 4)); //limit
+	pci_write_config32(__f1_dev, reg + 4, tempreg);
+	tempreg = 3 | ((io_min & 0xf0) << (12 - 4)); //base :ISA and VGA ?
+	pci_write_config32(__f1_dev, reg, tempreg);
+}
+
+static void set_mmio_addr_reg(u32 nodeid, u32 linkn, u32 reg, u32 index, u32 mmio_min, u32 mmio_max)
+{
+	u32 tempreg;
+	/* io range allocation */
+	tempreg = (nodeid & 0xf) | (linkn << 4) | (mmio_max & 0xffffff00); //limit
+		pci_write_config32(__f1_dev, reg + 4, tempreg);
+	tempreg = 3 | (nodeid & 0x30) | (mmio_min & 0xffffff00);
+		pci_write_config32(__f1_dev, reg, tempreg);
+}
+
+static device_t get_node_pci(u32 fn)
+{
+	return dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB, fn));
+}
+
+static void get_fx_dev(void)
+{
+	__f0_dev = get_node_pci(0);
+	__f1_dev = get_node_pci(1);
+	__f2_dev = get_node_pci(2);
+	__f4_dev = get_node_pci(4);
+	fx_dev = 1;
+
+	if (__f1_dev == NULL || __f0_dev == NULL || fx_dev == 0)
+		die("Cannot find 0:0x18.[0|1]\n");
+}
+
+static u32 f1_read_config32(unsigned reg)
+{
+	if (fx_dev == 0)
+		get_fx_dev();
+	return pci_read_config32(__f1_dev, reg);
+}
+
+static void f1_write_config32(unsigned reg, u32 value)
+{
+	if (fx_dev == 0)
+		get_fx_dev();
+	pci_write_config32(__f1_dev, reg, value);
+}
+
+static void set_vga_enable_reg(u32 nodeid, u32 linkn)
+{
+	u32 val;
+
+	val =  1 | (nodeid << 4) | (linkn << 12);
+	/* Routes:
+	 * mmio 0xa0000:0xbffff
+	 * io   0x3b0:0x3bb, 0x3c0:0x3df
+	 */
+	f1_write_config32(0xf4, val);
+}
+
+static void read_resources(device_t dev)
+{
+
+	/*
+	 * This MMCONF resource must be reserved in the PCI domain.
+	 * It is not honored by the coreboot resource allocator if it is in
+	 * the CPU_CLUSTER.
+	 */
+	mmconf_resource(dev, 0xc0010058);
+}
+
+static void set_resource(device_t dev, struct resource *resource, u32 nodeid)
+{
+	resource_t rbase, rend;
+	unsigned reg, link_num;
+	char buf[50];
+
+	/* Make certain the resource has actually been set */
+	if (!(resource->flags & IORESOURCE_ASSIGNED))
+		return;
+
+	/* If I have already stored this resource don't worry about it */
+	if (resource->flags & IORESOURCE_STORED)
+		return;
+
+	/* Only handle PCI memory and IO resources */
+	if (!(resource->flags & (IORESOURCE_MEM | IORESOURCE_IO)))
+		return;
+
+	/* Ensure I am actually looking at a resource of function 1 */
+	if ((resource->index & 0xffff) < 0x1000)
+		return;
+
+	/* Get the base address */
+	rbase = resource->base;
+
+	/* Get the limit (rounded up) */
+	rend  = resource_end(resource);
+
+	/* Get the register and link */
+	reg  = resource->index & 0xfff; // 4k
+	link_num = IOINDEX_LINK(resource->index);
+
+	if (resource->flags & IORESOURCE_IO) {
+		set_io_addr_reg(dev, nodeid, link_num, reg, rbase>>8, rend>>8);
+	}
+	else if (resource->flags & IORESOURCE_MEM) {
+		set_mmio_addr_reg(nodeid, link_num, reg, (resource->index >> 24), rbase >> 8, rend >> 8); // [39:8]
+	}
+	resource->flags |= IORESOURCE_STORED;
+	snprintf(buf, sizeof(buf), " <node %x link %x>",
+			nodeid, link_num);
+	report_resource_stored(dev, resource, buf);
+}
+
+/**
+ * I tried to reuse the resource allocation code in set_resource()
+ * but it is too difficult to deal with the resource allocation magic.
+ */
+
+static void create_vga_resource(device_t dev)
+{
+	struct bus *link;
+
+	/* find out which link the VGA card is connected,
+	 * we only deal with the 'first' vga card */
+	for (link = dev->link_list; link; link = link->next) {
+		if (link->bridge_ctrl & PCI_BRIDGE_CTL_VGA)
+			break;
+	}
+
+	/* no VGA card installed */
+	if (link == NULL)
+		return;
+
+	printk(BIOS_DEBUG, "VGA: %s link %d has VGA device\n", dev_path(dev), sblink);
+	set_vga_enable_reg(0, sblink);
+}
+
+static void set_resources(device_t dev)
+{
+	struct bus *bus;
+	struct resource *res;
+
+
+	/* do we need this? */
+	create_vga_resource(dev);
+
+	/* Set each resource we have found */
+	for (res = dev->resource_list; res; res = res->next) {
+		set_resource(dev, res, 0);
+	}
+
+	for (bus = dev->link_list; bus; bus = bus->next) {
+		if (bus->children) {
+			assign_resources(bus);
+		}
+	}
+}
+
+static void northbridge_init(struct device *dev)
+{
+}
+
+static unsigned long acpi_fill_hest(acpi_hest_t *hest)
+{
+	void *addr, *current;
+
+	/* Skip the HEST header. */
+	current = (void *)(hest + 1);
+
+	addr = agesawrapper_getlateinitptr(PICK_WHEA_MCE);
+	if (addr != NULL)
+		current += acpi_create_hest_error_source(hest, current, 0, (void *)((u32)addr + 2), *(UINT16 *)addr - 2);
+
+	addr = agesawrapper_getlateinitptr(PICK_WHEA_CMC);
+	if (addr != NULL)
+		current += acpi_create_hest_error_source(hest, current, 1, (void *)((u32)addr + 2), *(UINT16 *)addr - 2);
+
+	return (unsigned long)current;
+}
+
+static void northbridge_fill_ssdt_generator(device_t device)
+{
+	msr_t msr;
+	char pscope[] = "\\_SB.PCI0";
+
+	acpigen_write_scope(pscope);
+	msr = rdmsr(TOP_MEM);
+	acpigen_write_name_dword("TOM1", msr.lo);
+	msr = rdmsr(TOP_MEM2);
+	/*
+	 * Since XP only implements parts of ACPI 2.0, we can't use a qword
+	 * here.
+	 * See http://www.acpi.info/presentations/S01USMOBS169_OS%2520new.ppt
+	 * slide 22ff.
+	 * Shift value right by 20 bit to make it fit into 32bit,
+	 * giving us 1MB granularity and a limit of almost 4Exabyte of memory.
+	 */
+	acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20);
+	acpigen_pop_len();
+}
+
+static unsigned long agesa_write_acpi_tables(device_t device,
+					     unsigned long current,
+					     acpi_rsdp_t *rsdp)
+{
+	acpi_srat_t *srat;
+	acpi_slit_t *slit;
+	acpi_header_t *ssdt;
+	acpi_header_t *alib;
+	acpi_header_t *ivrs;
+	acpi_hest_t *hest;
+
+	/* HEST */
+	current = ALIGN(current, 8);
+	hest = (acpi_hest_t *)current;
+	acpi_write_hest((void *)current, acpi_fill_hest);
+	acpi_add_table(rsdp, (void *)current);
+	current += ((acpi_header_t *)current)->length;
+
+	current = ALIGN(current, 8);
+	printk(BIOS_DEBUG, "ACPI:    * IVRS at %lx\n", current);
+	ivrs = agesawrapper_getlateinitptr(PICK_IVRS);
+	if (ivrs != NULL) {
+		memcpy((void *)current, ivrs, ivrs->length);
+		ivrs = (acpi_header_t *) current;
+		current += ivrs->length;
+		acpi_add_table(rsdp, ivrs);
+	} else {
+		printk(BIOS_DEBUG, "  AGESA IVRS table NULL. Skipping.\n");
+	}
+
+	/* SRAT */
+	current = ALIGN(current, 8);
+	printk(BIOS_DEBUG, "ACPI:    * SRAT at %lx\n", current);
+	srat = (acpi_srat_t *) agesawrapper_getlateinitptr (PICK_SRAT);
+	if (srat != NULL) {
+		memcpy((void *)current, srat, srat->header.length);
+		srat = (acpi_srat_t *) current;
+		current += srat->header.length;
+		acpi_add_table(rsdp, srat);
+	} else {
+		printk(BIOS_DEBUG, "  AGESA SRAT table NULL. Skipping.\n");
+	}
+
+	/* SLIT */
+	current = ALIGN(current, 8);
+	printk(BIOS_DEBUG, "ACPI:   * SLIT at %lx\n", current);
+	slit = (acpi_slit_t *) agesawrapper_getlateinitptr (PICK_SLIT);
+	if (slit != NULL) {
+		memcpy((void *)current, slit, slit->header.length);
+		slit = (acpi_slit_t *) current;
+		current += slit->header.length;
+		acpi_add_table(rsdp, slit);
+	} else {
+		printk(BIOS_DEBUG, "  AGESA SLIT table NULL. Skipping.\n");
+	}
+
+	/* ALIB */
+	current = ALIGN(current, 16);
+	printk(BIOS_DEBUG, "ACPI:  * AGESA ALIB SSDT at %lx\n", current);
+	alib = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_ALIB);
+	if (alib != NULL) {
+		memcpy((void *)current, alib, alib->length);
+		alib = (acpi_header_t *) current;
+		current += alib->length;
+		acpi_add_table(rsdp, (void *)alib);
+	}
+	else {
+		printk(BIOS_DEBUG, "	AGESA ALIB SSDT table NULL. Skipping.\n");
+	}
+
+	/* this pstate ssdt may cause Blue Screen: Fixed: Keep this comment for a while. */
+	/* SSDT */
+	current   = ALIGN(current, 16);
+	printk(BIOS_DEBUG, "ACPI:    * SSDT at %lx\n", current);
+	ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE);
+	if (ssdt != NULL) {
+		memcpy((void *)current, ssdt, ssdt->length);
+		ssdt = (acpi_header_t *) current;
+		current += ssdt->length;
+	}
+	else {
+		printk(BIOS_DEBUG, "  AGESA PState table NULL. Skipping.\n");
+	}
+	acpi_add_table(rsdp,ssdt);
+
+	printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
+	return current;
+}
+
+static struct device_operations northbridge_operations = {
+	.read_resources	  = read_resources,
+	.set_resources	  = set_resources,
+	.enable_resources = pci_dev_enable_resources,
+	.init		  = northbridge_init,
+	.acpi_fill_ssdt_generator = northbridge_fill_ssdt_generator,
+	.write_acpi_tables = agesa_write_acpi_tables,
+	.enable		  = 0,
+	.ops_pci	  = 0,
+};
+
+static const struct pci_driver family15_northbridge __pci_driver = {
+	.ops	= &northbridge_operations,
+	.vendor = PCI_VENDOR_ID_AMD,
+	.device = PCI_DEVICE_ID_AMD_15H_MODEL_707F_NB_HT,
+};
+
+void fam15_finalize(void *chip_info)
+{
+	device_t dev;
+	u32 value;
+	dev = dev_find_slot(0, PCI_DEVFN(0, 0)); /* clear IoapicSbFeatureEn */
+	pci_write_config32(dev, 0xF8, 0);
+	pci_write_config32(dev, 0xFC, 5); /* TODO: move it to dsdt.asl */
+
+	/* disable No Snoop */
+	dev = dev_find_slot(0, PCI_DEVFN(1, 1));
+	value = pci_read_config32(dev, 0x60);
+	value &= ~(1 << 11);
+	pci_write_config32(dev, 0x60, value);
+}
+
+void domain_read_resources(device_t dev)
+{
+	unsigned reg;
+
+	/* Find the already assigned resource pairs */
+	get_fx_dev();
+	for (reg = 0x80; reg <= 0xd8; reg += 0x08) {
+		u32 base, limit;
+		base = f1_read_config32(reg);
+		limit = f1_read_config32(reg + 0x04);
+		/* Is this register allocated? */
+		if ((base & 3) != 0) {
+			unsigned nodeid, reg_link;
+			device_t reg_dev;
+			if (reg < 0xc0) { // mmio
+				nodeid = (limit & 0xf) + (base & 0x30);
+			} else { // io
+				nodeid =  (limit & 0xf) + ((base >> 4) & 0x30);
+			}
+			reg_link = (limit >> 4) & 7;
+			reg_dev = __f0_dev;
+			if (reg_dev) {
+				/* Reserve the resource  */
+				struct resource *res;
+				res = new_resource(reg_dev, IOINDEX(0x1000 + reg, reg_link));
+				if (res) {
+					res->flags = 1;
+				}
+			}
+		}
+	}
+	/* FIXME: do we need to check extend conf space?
+	   I don't believe that much preset value */
+
+	pci_domain_read_resources(dev);
+}
+
+void domain_enable_resources(device_t dev)
+{
+	if (acpi_is_wakeup_s3())
+		AGESAWRAPPER(fchs3laterestore);
+
+	/* Must be called after PCI enumeration and resource allocation */
+	if (!acpi_is_wakeup_s3())
+		AGESAWRAPPER(amdinitmid);
+
+	printk(BIOS_DEBUG, "  ader - leaving domain_enable_resources.\n");
+}
+
+#if CONFIG_HW_MEM_HOLE_SIZEK != 0
+struct hw_mem_hole_info {
+	unsigned hole_startk;
+	int node_id;
+};
+
+static struct hw_mem_hole_info get_hw_mem_hole_info(void)
+{
+	struct hw_mem_hole_info mem_hole;
+	mem_hole.hole_startk = CONFIG_HW_MEM_HOLE_SIZEK;
+	mem_hole.node_id = -1;
+	dram_base_mask_t d;
+	u32 hole;
+	d = get_dram_base_mask(0);
+	hole = pci_read_config32(__f1_dev, 0xf0);
+	if (hole & 2) {
+		/* We found the hole */
+		mem_hole.hole_startk = (hole & (0xff << 24)) >> 10;
+		mem_hole.node_id = 0; // record the node # with hole
+	}
+
+	return mem_hole;
+}
+#endif
+
+void domain_set_resources(device_t dev)
+{
+	unsigned long mmio_basek;
+	u32 pci_tolm;
+	int i, idx;
+	struct bus *link;
+#if CONFIG_HW_MEM_HOLE_SIZEK != 0
+	struct hw_mem_hole_info mem_hole;
+	u32 reset_memhole = 1;
+#endif
+
+	pci_tolm = 0xffffffffUL;
+	for (link = dev->link_list; link; link = link->next) {
+		pci_tolm = find_pci_tolm(link);
+	}
+
+	mmio_basek = pci_tolm >> 10;
+	/* Round mmio_basek to something the processor can support */
+	mmio_basek &= ~((1 << 6) -1);
+
+	/* FIXME improve mtrr.c so we don't use up all of the mtrrs with a 64M
+	 * MMIO hole. If you fix this here, please fix amdk8, too.
+	*/
+	/* Round the mmio hole to 64M */
+	mmio_basek &= ~((64 * 1024) - 1);
+
+#if CONFIG_HW_MEM_HOLE_SIZEK != 0
+	/* if the hw mem hole is already set in raminit stage, here we will compare
+	 * mmio_basek and hole_basek. if mmio_basek is bigger that hole_basek and will
+	 * use hole_basek as mmio_basek and we don't need to reset hole.
+	 * otherwise We reset the hole to the mmio_basek
+	 */
+
+	mem_hole = get_hw_mem_hole_info();
+
+	/* Use hole_basek as mmio_basek, and we don't need to reset hole anymore */
+	if ((mem_hole.node_id !=  -1) && (mmio_basek > mem_hole.hole_startk)) {
+		mmio_basek = mem_hole.hole_startk;
+		reset_memhole = 0;
+	}
+#endif
+
+	idx = 0x10;
+	for (i = 0; i < node_nums; i++) {
+		dram_base_mask_t d;
+		resource_t basek, limitk, sizek; // 4 1T
+
+		d = get_dram_base_mask(i);
+
+		if (!(d.mask & 1))
+			continue;
+		basek = ((resource_t)(d.base & 0x1fffff00)) << 9; // could overflow, we may lost 6 bit here
+		limitk = ((resource_t)(((d.mask & ~1) + 0x000FF) & 0x1fffff00)) << 9 ;
+
+		sizek = limitk - basek;
+
+		/* see if we need a hole from 0xa0000 to 0xbffff */
+		if ((basek < ((8 * 64) + (8 * 16))) && (sizek > ((8 * 64) + (16 * 16)))) {
+			ram_resource(dev, (idx | i), basek, ((8 * 64) + (8 * 16)) - basek);
+			idx += 0x10;
+			basek = (8 * 64) + (16 * 16);
+			sizek = limitk - ((8 * 64) + (16 * 16));
+
+		}
+
+		/* split the region to accommodate pci memory space */
+		if ((basek < 4 * 1024 * 1024 ) && (limitk > mmio_basek)) {
+			if (basek <= mmio_basek) {
+				unsigned pre_sizek;
+				pre_sizek = mmio_basek - basek;
+				if (pre_sizek>0) {
+					ram_resource(dev, (idx | i), basek, pre_sizek);
+					idx += 0x10;
+					sizek -= pre_sizek;
+				}
+				basek = mmio_basek;
+			}
+			if ((basek + sizek) <= 4 * 1024 * 1024) {
+				sizek = 0;
+			}
+			else {
+				uint64_t topmem2 = bsp_topmem2();
+				basek = 4 * 1024 * 1024;
+				sizek = topmem2 / 1024 - basek;
+			}
+		}
+
+		ram_resource(dev, (idx | i), basek, sizek);
+		idx += 0x10;
+		printk(BIOS_DEBUG, "node %d: mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n",
+				i, mmio_basek, basek, limitk);
+	}
+
+	add_uma_resource_below_tolm(dev, 7);
+
+	for (link = dev->link_list; link; link = link->next) {
+		if (link->children) {
+			assign_resources(link);
+		}
+	}
+	/*
+	 * Reserve everything between A segment and 1MB:
+	 *
+	 * 0xa0000 - 0xbffff: legacy VGA
+	 * 0xc0000 - 0xfffff: RAM
+	 */
+	mmio_resource(dev, 0xa0000, 0xa0000 / KiB, 0x20000 / KiB);
+	reserved_ram_resource(dev, 0xc0000, 0xc0000 / KiB, 0x40000 / KiB);
+}
+
+static void sysconf_init(device_t dev) // first node
+{
+	sblink = (pci_read_config32(dev, 0x64) >> 8) & 7; // don't forget sublink1
+	node_nums = ((pci_read_config32(dev, 0x60) >> 4) & 7) + 1; // NodeCnt[2:0]
+}
+
+
+void cpu_bus_scan(device_t dev)
+{
+	struct bus *cpu_bus;
+	device_t cpu;
+	device_t cdb_dev;
+	device_t dev_mc;
+	int j;
+	int core_max;
+	int core_nums;
+	int siblings;
+	int family;
+	int enable_node;
+	u32 lapicid_start;
+	u32 apic_id;
+	u32 pccount;
+
+
+	dev_mc = dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB, 0));
+	if (!dev_mc) {
+		printk(BIOS_ERR, "%02x:%02x.0 not found", CONFIG_CBB, CONFIG_CDB);
+		die("");
+	}
+	sysconf_init(dev_mc); /* sets global node_nums */
+
+	if (node_nums != 1)
+		die("node_nums != 1. This is an SOC. Something is terribly wrong.");
+
+	/* Get max and actual number of cores */
+	pccount = cpuid_ecx(AMD_CPUID_ASIZE_PCCOUNT);
+	core_max = 1 << ((pccount >> 12) & 0xF);
+	core_nums = (pccount & 0xF);
+
+	family = (cpuid_eax(1) >> 20) & 0xFF;
+
+	cdb_dev = dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB, 5));
+	siblings = pci_read_config32(cdb_dev, 0x84) & 0xFF;
+
+	printk(BIOS_SPEW, "%s family%xh, core_max=%d, core_nums=%d, siblings=%d\n",
+		dev_path(cdb_dev), 0x0f + family, core_max, core_nums, siblings);
+
+	/*
+	 * APIC ID calucation is tightly coupled with AGESA v5 code.
+	 * This calculation MUST match the assignment calculation done
+	 * in LocalApicInitializationAtEarly() function.
+	 * And reference GetLocalApicIdForCore()
+	 *
+	 * Apply apic enumeration rules
+	 * For systems with >= 16 APICs, put the IO-APICs at 0..n and
+	 * put the local-APICs at m..z
+	 *
+	 * This is needed because many IO-APIC devices only have 4 bits
+	 * for their APIC id and therefore must reside at 0..15
+	 */
+
+	 /*
+	  * While the above statement is true, we know some things about
+	  * this silicon. It is an SOC and can't have  >= 16 APICs, but
+	  * we will start numbering at 0x10. We also know there is only
+	  * on physical node (module in AMD speak).
+	  */
+
+	lapicid_start = 0x10; /* Get this from devicetree? see comment above. */
+	enable_node = cdb_dev && cdb_dev->enabled;
+	cpu_bus = dev->link_list;
+
+	for (j = 0; j <= siblings; j++ ) {
+		apic_id = lapicid_start + j;
+		printk(BIOS_SPEW, "lapicid_start 0x%x, node 0x%x,  core 0x%x,  apicid=0x%x\n",
+			lapicid_start, node_nums, j, apic_id);
+
+		cpu = add_cpu_device(cpu_bus, apic_id, enable_node);
+		if (cpu)
+			amd_cpu_topology(cpu, node_nums, j);
+	}
+}
+
+/*********************************************************************
+ * Change the vendor / device IDs to match the generic VBIOS header. *
+ *********************************************************************/
+u32 map_oprom_vendev(u32 vendev)
+{
+	u32 new_vendev;
+	new_vendev =
+		((0x100298E0 <= vendev) && (vendev <= 0x100298EF)) ? 0x100298E0 : vendev;
+
+	if (vendev != new_vendev)
+		printk(BIOS_NOTICE, "Mapping PCI device %8x to %8x\n", vendev, new_vendev);
+
+	return new_vendev;
+}
diff --git a/src/soc/amd/stoneyridge/ramtop.c b/src/soc/amd/stoneyridge/ramtop.c
new file mode 100644
index 0000000000..8fa81c715a
--- /dev/null
+++ b/src/soc/amd/stoneyridge/ramtop.c
@@ -0,0 +1,33 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#define __SIMPLE_DEVICE__
+
+#include <stdint.h>
+#include <arch/io.h>
+#include <cbmem.h>
+
+#define CBMEM_TOP_SCRATCHPAD 0x78
+
+void backup_top_of_low_cacheable(uintptr_t ramtop)
+{
+	uint16_t top_cache = ramtop >> 16;
+	pci_write_config16(PCI_DEV(0,0,0), CBMEM_TOP_SCRATCHPAD, top_cache);
+}
+
+uintptr_t restore_top_of_low_cacheable(void)
+{
+	uint16_t top_cache;
+	top_cache = pci_read_config16(PCI_DEV(0,0,0), CBMEM_TOP_SCRATCHPAD);
+	return (top_cache << 16);
+}
diff --git a/src/soc/amd/stoneyridge/smbus_spd.c b/src/soc/amd/stoneyridge/smbus_spd.c
index 8d67b1e678..863631a586 100644
--- a/src/soc/amd/stoneyridge/smbus_spd.c
+++ b/src/soc/amd/stoneyridge/smbus_spd.c
@@ -20,8 +20,7 @@
 #include <Porting.h>
 #include <AGESA.h>
 #include <amdlib.h>
-
-#include <northbridge/amd/pi/dimmSpd.h>
+#include <dimmSpd.h>
 
 /*-----------------------------------------------------------------------------
  *
diff --git a/src/vendorcode/amd/pi/Makefile.inc b/src/vendorcode/amd/pi/Makefile.inc
index e686700ee3..5c0f08d75d 100644
--- a/src/vendorcode/amd/pi/Makefile.inc
+++ b/src/vendorcode/amd/pi/Makefile.inc
@@ -61,11 +61,11 @@ ifeq ($(CONFIG_CPU_AMD_PI_00630F01),y)
 AGESA_INC += -I$(AGESA_ROOT)/Proc/IDS
 endif
 
-AGESA_INC += -I$(src)/northbridge/amd/pi
-
 ifeq ($(CONFIG_SOC_AMD_STONEYRIDGE_FP4)$(CONFIG_SOC_AMD_STONEYRIDGE_FT4),y)
 AGESA_INC += -I$(src)/soc/amd/stoneyridge/include
+AGESA_INC += -I$(src)/soc/amd/common
 else
+AGESA_INC += -I$(src)/northbridge/amd/pi
 AGESA_INC += -I$(src)/southbridge/amd/pi/hudson
 endif