[S] Change in coreboot[master]: soc/amd/stoneyridge/memmap: use get_top_of_mem_below_4gb

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/74614 )

Change subject: soc/amd/stoneyridge/memmap: use get_top_of_mem_below_4gb
......................................................................

soc/amd/stoneyridge/memmap: use get_top_of_mem_below_4gb

Use get_top_of_mem_below_4gb instead of open-coding the functionality.

Signed-off-by: Felix Held 
Change-Id: Ic673deb725a541c7535ae769f589cd82ea42a561
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74614
Tested-by: build bot (Jenkins) 
Reviewed-by: Martin Roth 
---
M src/soc/amd/stoneyridge/memmap.c
1 file changed, 16 insertions(+), 3 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Martin Roth: Looks good to me, approved

diff --git a/src/soc/amd/stoneyridge/memmap.c b/src/soc/amd/stoneyridge/memmap.c
index 8f73a8c..32d6d96 100644
--- a/src/soc/amd/stoneyridge/memmap.c
+++ b/src/soc/amd/stoneyridge/memmap.c
@@ -13,9 +13,7 @@

uintptr_t cbmem_top_chipset(void)
 {
-	msr_t tom = rdmsr(TOP_MEM);
-
-	if (!tom.lo)
+	if (!get_top_of_mem_below_4gb())
    	return 0;

/* 8MB alignment to keep MTRR usage low */