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authorKyösti Mälkki <kyosti.malkki@gmail.com>2016-06-27 15:25:14 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2016-07-15 12:20:21 +0200
commitf32d5b8b66cb3679942501c39ee76587b8c0b0f1 (patch)
tree35d46f0bcaec1c883b2f6a74812dea964a2f8bab /src/cpu
parentbd274e1363b633c48650821e97953482ebd8d48a (diff)
AMD binaryPI: Split romstage ram stack
Change-Id: Ibbff1fdb1af247550815532ef12f078229f12321 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/15467 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/cpu')
-rw-r--r--src/cpu/amd/pi/heapmanager.c10
-rw-r--r--src/cpu/amd/pi/s3_resume.c9
-rw-r--r--src/cpu/amd/pi/s3_resume.h3
3 files changed, 11 insertions, 11 deletions
diff --git a/src/cpu/amd/pi/heapmanager.c b/src/cpu/amd/pi/heapmanager.c
index c5e4202090..d4a79b8b3c 100644
--- a/src/cpu/amd/pi/heapmanager.c
+++ b/src/cpu/amd/pi/heapmanager.c
@@ -25,13 +25,9 @@ UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader)
{
UINT32 heap = BIOS_HEAP_START_ADDRESS;
-#if CONFIG_HAVE_ACPI_RESUME
- /* Both romstage and ramstage has this S3 detect. */
- if (acpi_get_sleep_type() == 3)
- heap = (UINT32) cbmem_find(CBMEM_ID_RESUME_SCRATCH) +
- (CONFIG_HIGH_SCRATCH_MEMORY_SIZE - BIOS_HEAP_SIZE);
- /* himem_heap_base + high_stack_size */
-#endif
+ if (acpi_is_wakeup_s3())
+ heap = (UINT32) cbmem_find(CBMEM_ID_RESUME_SCRATCH);
+
return heap;
}
diff --git a/src/cpu/amd/pi/s3_resume.c b/src/cpu/amd/pi/s3_resume.c
index 576a208926..830d1742d3 100644
--- a/src/cpu/amd/pi/s3_resume.c
+++ b/src/cpu/amd/pi/s3_resume.c
@@ -137,11 +137,12 @@ void restore_mtrr(void)
#ifdef __PRE_RAM__
static void move_stack_high_mem(void)
{
- void *high_stack;
+ void *high_stack = cbmem_find(CBMEM_ID_ROMSTAGE_RAM_STACK);
+ if (high_stack == NULL)
+ halt();
- high_stack = cbmem_find(CBMEM_ID_RESUME_SCRATCH);
- memcpy(high_stack, (void *)BSP_STACK_BASE_ADDR,
- (CONFIG_HIGH_SCRATCH_MEMORY_SIZE - BIOS_HEAP_SIZE));
+ /* TODO: Make the switch with empty stack instead. */
+ memcpy(high_stack, (void *)BSP_STACK_BASE_ADDR, HIGH_ROMSTAGE_STACK_SIZE);
#ifdef __x86_64__
__asm__
diff --git a/src/cpu/amd/pi/s3_resume.h b/src/cpu/amd/pi/s3_resume.h
index f952055f88..c23c6621e4 100644
--- a/src/cpu/amd/pi/s3_resume.h
+++ b/src/cpu/amd/pi/s3_resume.h
@@ -31,4 +31,7 @@ void OemAgesaSaveMtrr (void);
void spi_SaveS3info(u32 pos, u32 size, u8 *buf, u32 len);
+/* This covers node 0 only. */
+#define HIGH_ROMSTAGE_STACK_SIZE (0x48000 - BSP_STACK_BASE_ADDR)
+
#endif