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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>
This commit is contained in:
Dave Frodin 2015-05-20 10:33:51 -06:00 committed by Marc Jones
parent 4d1c5aa9f7
commit 406effd590
2 changed files with 18 additions and 0 deletions
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15
src/northbridge/amd/pi/agesawrapper.c
View File

@ -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;

3
src/northbridge/amd/pi/def_callouts.c
View File

@ -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)
{