Change in coreboot[master]: amd/stoneyridge: Set BERT region size when no TSEG used

[Marshall Dawson (Code Review)]

Marshall Dawson has uploaded this change for review. ( https://review.coreboot.org/28554

Change subject: amd/stoneyridge: Set BERT region size when no TSEG used
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amd/stoneyridge: Set BERT region size when no TSEG used

Expand the BERT reserved region size setting to account for the
possibility of no TSEG configuration.  This change is only for
completeness, as stoneyridge must always use TSEG.

Change-Id: I90753fa408cfac4de38aff08979c45349bb62a66
Signed-off-by: Marshall Dawson 
---
M src/soc/amd/stoneyridge/ramtop.c
1 file changed, 7 insertions(+), 3 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/54/28554/1

diff --git a/src/soc/amd/stoneyridge/ramtop.c b/src/soc/amd/stoneyridge/ramtop.c
index e9a0e53..72db8ec 100644
--- a/src/soc/amd/stoneyridge/ramtop.c
+++ b/src/soc/amd/stoneyridge/ramtop.c
@@ -38,10 +38,14 @@
 }

#if IS_ENABLED(CONFIG_ACPI_BERT)
-/* SMM_TSEG_SIZE must stay on a boundary appropriate for its granularity */
-#define BERT_REGION_MAX_SIZE CONFIG_SMM_TSEG_SIZE
+ #if CONFIG_SMM_TSEG_SIZE == 0x0
+  #define BERT_REGION_MAX_SIZE 0x100000
+ #else
+  /* SMM_TSEG_SIZE must stay on a boundary appropriate for its granularity */
+  #define BERT_REGION_MAX_SIZE CONFIG_SMM_TSEG_SIZE
+ #endif
 #else
-#define BERT_REGION_MAX_SIZE 0
+ #define BERT_REGION_MAX_SIZE 0
 #endif

void bert_reserved_region(void **start, size_t *size)