[coreboot-gerrit] New patch to review for coreboot: soc/intel/quark: Return NULL for top_of_memory
Lee Leahy (leroy.p.leahy@intel.com)
gerrit at coreboot.org
Tue Mar 14 02:35:18 CET 2017
Lee Leahy (leroy.p.leahy at intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18802
-gerrit
commit 47fcf038e4b61dc7386bf015b8f5b5da67764af9
Author: Lee Leahy <leroy.p.leahy at intel.com>
Date: Thu Jan 5 10:23:36 2017 -0800
soc/intel/quark: Return NULL for top_of_memory
Return NULL for top_of_memory when the register has not been set.
TEST=Build and run on Galileo Gen2
Change-Id: If79cac68c2a64aa9bf3be72d3cfc4c73fceef12b
Signed-off-by: Lee Leahy <leroy.p.leahy at intel.com>
---
src/soc/intel/quark/memmap.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/soc/intel/quark/memmap.c b/src/soc/intel/quark/memmap.c
index 53a1b24..d67856c 100644
--- a/src/soc/intel/quark/memmap.c
+++ b/src/soc/intel/quark/memmap.c
@@ -26,7 +26,8 @@ void *cbmem_top(void)
top_of_memory <<= 16;
/* Reserve 64 KiB for RMU firmware */
- top_of_memory -= 0x10000;
+ if (top_of_memory)
+ top_of_memory -= 0x10000;
/* Return the top of memory */
return (void *)top_of_memory;
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