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AGESA: Refactor S3 support functions 

Producer and consumer of these buffers now appear in same file.
Also add test for uninitialized NonVolatileStorage in SPI.

Change-Id: Ibbf6581a0bf1d4bffda870fc055721627b538b92
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/19037
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Kyösti Mälkki 2017-03-29 15:53:54 +03:00
parent 85782b2152
commit 424c63950b
3 changed files with 18 additions and 20 deletions
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10
src/cpu/amd/agesa/heapmanager.c
View File

@ -62,16 +62,6 @@ void EmptyHeap(void)
(unsigned int)(uintptr_t) base, (unsigned int)(uintptr_t) base + BIOS_HEAP_SIZE - 1);
}
void ResumeHeap(void **heap, size_t *len)
{
void *base = GetHeapBase();
*heap = base;
*len = BIOS_HEAP_SIZE;
printk(BIOS_DEBUG, "Using resume HEAP at [%08x - %08x]\n",
(unsigned int)(uintptr_t) base, (unsigned int)(uintptr_t) base + BIOS_HEAP_SIZE - 1);
}
#if (IS_ENABLED(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15_TN) || \
IS_ENABLED(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY15_RL)) && !defined(__PRE_RAM__)

1
src/northbridge/amd/agesa/agesa_helper.h
View File

@ -37,7 +37,6 @@ void amd_initenv(void);
void *GetHeapBase(void);
void EmptyHeap(void);
void ResumeHeap(void **heap, size_t *len);
#define BSP_STACK_BASE_ADDR 0x30000

27
src/northbridge/amd/agesa/oem_s3.c
View File

@ -61,24 +61,33 @@ static void get_s3nv_data(S3_DATA_TYPE S3DataType, uintptr_t *pos, uintptr_t *le
AGESA_STATUS OemInitResume(AMD_S3_PARAMS *dataBlock)
{
uintptr_t pos, size;
get_s3nv_data(S3DataTypeNonVolatile, &pos, &size);
/* TODO: Our NvStorage is really const. */
dataBlock->NvStorageSize = *(UINT32 *) pos;
dataBlock->NvStorage = (void *) (pos + sizeof(UINT32));
u32 len = *(u32*)pos;
/* Test for uninitialized s3nv data in SPI. */
if (len == 0 || len == (u32)-1ULL)
return AGESA_FATAL;
dataBlock->NvStorageSize = len;
dataBlock->NvStorage = (void *) (pos + sizeof(u32));
return AGESA_SUCCESS;
}
AGESA_STATUS OemS3LateRestore(AMD_S3_PARAMS *dataBlock)
{
void *dst;
size_t len;
char *heap = cbmem_find(CBMEM_ID_RESUME_SCRATCH);
if (heap == NULL)
return AGESA_FATAL;
ResumeHeap(&dst, &len);
dataBlock->VolatileStorageSize = len;
dataBlock->VolatileStorage = dst;
printk(BIOS_DEBUG, "Using resume HEAP at %08x\n",
(unsigned int)(uintptr_t) heap);
/* Return allocated CBMEM size, we do not keep track of
* how much was actually used.
*/
dataBlock->VolatileStorageSize = HIGH_MEMORY_SCRATCH;
dataBlock->VolatileStorage = heap;
return AGESA_SUCCESS;
}