Add Intel FSP northbridge support Sandybridge and Ivybridge

Add support for Sandybridge and Ivybridge using the Intel FSP.
The FSP is different enough to warrant its own source files.
This source handle the majority of FSP interaction.

"Intel® Firmware Support Package (Intel® FSP) provides key
programming information for initializing Intel® silicon and can be
easily integrated into a boot loader of the developer’s choice.
It is easy to adopt, scalable to design, reduces time-to-market, and
is economical to build."
http://www.intel.com/content/www/us/en/intelligent-systems/intel-firmware-support-package/intel-fsp-overview.html

Change-Id: Ib879c6b0fbf2eb1cbf929a87f592df29ac48bcc5
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-on: http://review.coreboot.org/4015
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 207 insertions, 0 deletions

diff --git a/src/vendorcode/intel/fsp/ivybridge_bd82x6x/srx/fsphob.c b/src/vendorcode/intel/fsp/ivybridge_bd82x6x/srx/fsphob.c
new file mode 100644
index 0000000000..4214b3ae22
--- /dev/null
+++ b/src/vendorcode/intel/fsp/ivybridge_bd82x6x/srx/fsphob.c
@@ -0,0 +1,207 @@
+/**
+
+Copyright (C) 2013, Intel Corporation
+
+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 Intel Corporation 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 THE COPYRIGHT OWNER OR CONTRIBUTORS 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.
+
+**/
+
+/***********************************************************************
+ *
+ * fsphob.c
+ *
+ * HOB infrastructure code.
+ *
+ **********************************************************************/
+#include <string.h>
+
+#include "fsptypes.h"
+#include "fsphob.h"
+
+//
+// Pointer to the HOB should be initialized with the output of FSP INIT PARAMS
+//
+extern volatile void *FspHobListPtr;
+
+//
+// Function prototype
+//
+UINT64
+EFIAPI
+ReadUnaligned64 (
+  CONST UINT64              *Buffer
+  );
+
+/**
+  Reads a 64-bit value from memory that may be unaligned.
+
+  This function returns the 64-bit value pointed to by Buffer. The function
+  guarantees that the read operation does not produce an alignment fault.
+
+  If the Buffer is NULL, then ASSERT().
+
+  @param  Buffer  Pointer to a 64-bit value that may be unaligned.
+
+  @return The 64-bit value read from Buffer.
+
+**/
+UINT64
+EFIAPI
+ReadUnaligned64 (
+  CONST UINT64              *Buffer
+  )
+{
+  ASSERT (Buffer != NULL);
+
+  return *Buffer;
+}
+
+/**
+  Compares two GUIDs.
+
+  This function compares Guid1 to Guid2.  If the GUIDs are identical then TRUE is returned.
+  If there are any bit differences in the two GUIDs, then FALSE is returned.
+
+  If Guid1 is NULL, then ASSERT().
+  If Guid2 is NULL, then ASSERT().
+
+  @param  Guid1       A pointer to a 128 bit GUID.
+  @param  Guid2       A pointer to a 128 bit GUID.
+
+  @retval TRUE        Guid1 and Guid2 are identical.
+  @retval FALSE       Guid1 and Guid2 are not identical.
+
+**/
+BOOLEAN
+EFIAPI
+CompareGuid (
+  CONST EFI_GUID  *Guid1,
+  CONST EFI_GUID  *Guid2
+  )
+{
+  UINT64  LowPartOfGuid1;
+  UINT64  LowPartOfGuid2;
+  UINT64  HighPartOfGuid1;
+  UINT64  HighPartOfGuid2;
+
+  LowPartOfGuid1  = ReadUnaligned64 ((CONST UINT64*) Guid1);
+  LowPartOfGuid2  = ReadUnaligned64 ((CONST UINT64*) Guid2);
+  HighPartOfGuid1 = ReadUnaligned64 ((CONST UINT64*) Guid1 + 1);
+  HighPartOfGuid2 = ReadUnaligned64 ((CONST UINT64*) Guid2 + 1);
+
+  return (BOOLEAN) (LowPartOfGuid1 == LowPartOfGuid2 && HighPartOfGuid1 == HighPartOfGuid2);
+}
+
+/**
+  Returns the pointer to the HOB list.
+**/
+VOID *
+EFIAPI
+GetHobList (
+  VOID
+  )
+{
+  ASSERT (FspHobListPtr != NULL);
+  return ((VOID *)FspHobListPtr);
+}
+
+/**
+  Returns the next instance of a HOB type from the starting HOB.
+**/
+VOID *
+EFIAPI
+GetNextHob (
+  UINT16                 Type,
+  CONST VOID             *HobStart
+  )
+{
+  EFI_PEI_HOB_POINTERS  Hob;
+
+  ASSERT (HobStart != NULL);
+
+  Hob.Raw = (UINT8 *) HobStart;
+  //
+  // Parse the HOB list until end of list or matching type is found.
+  //
+  while (!END_OF_HOB_LIST (Hob)) {
+    if (Hob.Header->HobType == Type) {
+      return Hob.Raw;
+    }
+    Hob.Raw = GET_NEXT_HOB (Hob);
+  }
+  return NULL;
+}
+
+/**
+  Returns the first instance of a HOB type among the whole HOB list.
+**/
+VOID *
+EFIAPI
+GetFirstHob (
+  UINT16                 Type
+  )
+{
+  VOID      *HobList;
+
+  HobList = GetHobList ();
+  return GetNextHob (Type, HobList);
+}
+
+/**
+  Returns the next instance of the matched GUID HOB from the starting HOB.
+**/
+VOID *
+EFIAPI
+GetNextGuidHob (
+  CONST EFI_GUID         *Guid,
+  CONST VOID             *HobStart
+  )
+{
+  EFI_PEI_HOB_POINTERS  GuidHob;
+
+  GuidHob.Raw = (UINT8 *) HobStart;
+  while ((GuidHob.Raw = GetNextHob (EFI_HOB_TYPE_GUID_EXTENSION, GuidHob.Raw)) != NULL) {
+    if (CompareGuid (Guid, &GuidHob.Guid->Name)) {
+      break;
+    }
+    GuidHob.Raw = GET_NEXT_HOB (GuidHob);
+  }
+  return GuidHob.Raw;
+}
+
+/**
+  Returns the first instance of the matched GUID HOB among the whole HOB list.
+**/
+VOID *
+EFIAPI
+GetFirstGuidHob (
+  CONST EFI_GUID         *Guid
+  )
+{
+  VOID      *HobList;
+
+  HobList = GetHobList ();
+  return GetNextGuidHob (Guid, HobList);
+}