diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/amd/agesa/family15tn/fam15tn_callouts.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.c b/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.c index 59c892fc14..38bf975f51 100644 --- a/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.c +++ b/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.c @@ -26,6 +26,29 @@ #include "cbfs.h" #include "dimmSpd.h" #include "fam15tn_callouts.h" +#include <cbmem.h> + +#define AGESA_RUNTIME_SIZE 4096 + +static AGESA_STATUS alloc_cbmem(AGESA_BUFFER_PARAMS *AllocParams) { + static unsigned int used = 0; + void *p = cbmem_find(CBMEM_ID_AGESA_RUNTIME); + + if ((AGESA_RUNTIME_SIZE - used) < AllocParams->BufferLength) { + return AGESA_BOUNDS_CHK; + } + + /* first time allocation */ + if (!p) { + p = cbmem_add(CBMEM_ID_AGESA_RUNTIME, AGESA_RUNTIME_SIZE); + if (!p) + return AGESA_BOUNDS_CHK; + } + + AllocParams->BufferPointer = p + used; + used += AllocParams->BufferLength; + return AGESA_SUCCESS; +} AGESA_STATUS fam15tn_AllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr) { @@ -48,6 +71,10 @@ AGESA_STATUS fam15tn_AllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr) AllocParams = ((AGESA_BUFFER_PARAMS *) ConfigPtr); AllocParams->BufferPointer = NULL; + /* if the allocation is for runtime use simple CBMEM data */ + if (Data == HEAP_CALLOUT_RUNTIME) + return alloc_cbmem(AllocParams); + AvailableHeapSize = BIOS_HEAP_SIZE - sizeof (BIOS_HEAP_MANAGER); BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader)); BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr; |