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authorDave Frodin <dave.frodin@se-eng.com>2015-05-20 10:33:51 -0600
committerMarc Jones <marc.jones@se-eng.com>2015-07-20 19:29:27 +0200
commit406effd59075cab212c5bf9c1a12759c8fad50a4 (patch)
treebb418f05dedd45db7193dc6647c957031e0d433e
parent4d1c5aa9f7f61fcc7969391f53a66026cb657a3f (diff)
downloadcoreboot-406effd59075cab212c5bf9c1a12759c8fad50a4.tar.xz
northbridge/amd/pi: Add support for memory settings
This adds support for binarypi based boards that have to make adjustments to the memory configuration settings. A PlatformMemoryConfiguration[] table that describes the memory configuration must be defined in the mainboard folder. Change-Id: I5e4b476a4adf3dd1f3b7843274a81ecb243d10ab Signed-off-by: Dave Frodin <dave.frodin@se-eng.com> Reviewed-on: http://review.coreboot.org/10672 Tested-by: build bot (Jenkins) Reviewed-by: WANG Siyuan <wangsiyuanbuaa@gmail.com> Reviewed-by: Marc Jones <marc.jones@se-eng.com>
-rw-r--r--src/northbridge/amd/pi/agesawrapper.c15
-rw-r--r--src/northbridge/amd/pi/def_callouts.c3
2 files changed, 18 insertions, 0 deletions
diff --git a/src/northbridge/amd/pi/agesawrapper.c b/src/northbridge/amd/pi/agesawrapper.c
index 255b31d4c8..e716f9bc88 100644
--- a/src/northbridge/amd/pi/agesawrapper.c
+++ b/src/northbridge/amd/pi/agesawrapper.c
@@ -26,6 +26,9 @@
#include <heapManager.h>
#include <northbridge/amd/pi/agesawrapper.h>
#include <northbridge/amd/pi/BiosCallOuts.h>
+#include <PlatformMemoryConfiguration.h>
+
+extern const PSO_ENTRY PlatformMemoryConfiguration[];
VOID FchInitS3LateRestore (IN FCH_DATA_BLOCK *FchDataPtr);
VOID FchInitS3EarlyRestore (IN FCH_DATA_BLOCK *FchDataPtr);
@@ -136,6 +139,18 @@ AGESA_STATUS agesawrapper_amdinitpost(void)
AmdCreateStruct (&AmdParamStruct);
PostParams = (AMD_POST_PARAMS *)AmdParamStruct.NewStructPtr;
+ /*
+ * A PlatformMemoryConfiguration[] table must be added in the
+ * mainboard folder to any boards that need the memory configuation
+ * settings altered from the standard settings. Examples of boards
+ * requiring this change might be boards with soldered down memory,
+ * or boards that use a non-standard memory clock routing scheme
+ * There are PlatformMemoryConfiguration[] tables in many existing
+ * mainboards that can be used as an example.
+ */
+ if (PlatformMemoryConfiguration[0] != PSO_END)
+ PostParams->MemConfig.PlatformMemoryConfiguration = (PSO_ENTRY *)PlatformMemoryConfiguration;
+
// 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;
diff --git a/src/northbridge/amd/pi/def_callouts.c b/src/northbridge/amd/pi/def_callouts.c
index 8a4472ccc4..389742cb09 100644
--- a/src/northbridge/amd/pi/def_callouts.c
+++ b/src/northbridge/amd/pi/def_callouts.c
@@ -27,6 +27,9 @@
#include "agesawrapper.h"
#include "BiosCallOuts.h"
#include "dimmSpd.h"
+#include <PlatformMemoryConfiguration.h>
+
+const PSO_ENTRY __attribute__((weak)) PlatformMemoryConfiguration[] = { PSO_END };
AGESA_STATUS GetBiosCallout (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{