Dave Frodin (dave.frodin@se-eng.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/10672
-gerrit
commit 9fd76040e904ef39a3130f83f5ac349f84fe56e8 Author: Dave Frodin dave.frodin@se-eng.com Date: Wed May 20 10:33:51 2015 -0600
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 --- src/northbridge/amd/pi/agesawrapper.c | 15 +++++++++++++++ src/northbridge/amd/pi/def_callouts.c | 3 +++ 2 files changed, 18 insertions(+)
diff --git a/src/northbridge/amd/pi/agesawrapper.c b/src/northbridge/amd/pi/agesawrapper.c index 255b31d..e716f9b 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 8a4472c..389742c 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) {
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Dave Frodin