[XS] Change in coreboot[main]: vc/amd/opensil/genoa_poc/memmap: use GiB define

[Felix Held (Code Review)]

Felix Held has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/81093?usp=email )

Change subject: vc/amd/opensil/genoa_poc/memmap: use GiB define
......................................................................

vc/amd/opensil/genoa_poc/memmap: use GiB define

Use the GiB define to make the 4 GiB boundary used in some places in the
code a bit easier to read.

Signed-off-by: Felix Held 
Change-Id: I81877a5d293c883d2e31bdb18ae3b22b8a44e62f
---
M src/vendorcode/amd/opensil/genoa_poc/memmap.c
1 file changed, 4 insertions(+), 4 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/93/81093/1

diff --git a/src/vendorcode/amd/opensil/genoa_poc/memmap.c b/src/vendorcode/amd/opensil/genoa_poc/memmap.c
index 31e6f04..b1d4b93 100644
--- a/src/vendorcode/amd/opensil/genoa_poc/memmap.c
+++ b/src/vendorcode/amd/opensil/genoa_poc/memmap.c
@@ -115,7 +115,7 @@
    	reserved_ram_from_to(dev, (*idx)++, mem_usable, top_mem);

// Check if we're done
-	if (top_of_mem <= 0x100000000)
+	if (top_of_mem <= 4ULL * GiB)
    	return;

// Holes in upper DRAM
@@ -124,11 +124,11 @@
    if (hole_info == NULL)
    	return;
    uint64_t lowest_upper_hole_base = top_of_mem;
-	uint64_t highest_upper_hole_end = 0x100000000;
+	uint64_t highest_upper_hole_end = 4ULL * GiB;
    for (int hole = 0; hole < n_holes; hole++) {
    	if (hole_info[hole].Type == MMIO)
    		continue;
-		if (hole_info[hole].Base < 0x100000000)
+		if (hole_info[hole].Base < 4ULL * GiB)
    		continue;
    	lowest_upper_hole_base = MIN(lowest_upper_hole_base, hole_info[hole].Base);
    	highest_upper_hole_end = MAX(highest_upper_hole_end, hole_info[hole].Base + hole_info[hole].Size);
@@ -138,7 +138,7 @@
    		reserved_ram_range(dev, (*idx)++, hole_info[hole].Base, hole_info[hole].Size);
    }

-	ram_from_to(dev, (*idx)++, 0x100000000, lowest_upper_hole_base);
+	ram_from_to(dev, (*idx)++, 4ULL * GiB, lowest_upper_hole_base);

// Do we need this?
    if (top_of_mem > highest_upper_hole_end)