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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 <felix-coreboot@felixheld.de>
Change-Id: Ic673deb725a541c7535ae769f589cd82ea42a561
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74614
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
This commit is contained in:
Felix Held 2023-04-20 13:24:26 +02:00
parent 392cf2f8f8
commit 5927873b92
1 changed files with 1 additions and 3 deletions
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4
src/soc/amd/stoneyridge/memmap.c
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@ -13,9 +13,7 @@
uintptr_t cbmem_top_chipset(void) uintptr_t cbmem_top_chipset(void)
{ {
msr_t tom = rdmsr(TOP_MEM); if (!get_top_of_mem_below_4gb())
if (!tom.lo)
return 0; return 0;
/* 8MB alignment to keep MTRR usage low */ /* 8MB alignment to keep MTRR usage low */