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-rw-r--r--src/northbridge/amd/gx2/northbridge.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/northbridge/amd/gx2/northbridge.c b/src/northbridge/amd/gx2/northbridge.c
index 981d5375e1..809a440e77 100644
--- a/src/northbridge/amd/gx2/northbridge.c
+++ b/src/northbridge/amd/gx2/northbridge.c
@@ -14,6 +14,11 @@
#include <cpu/x86/cache.h>
#define NORTHBRIDGE_FILE "northbridge.c"
+
+/* number of MB to take off the top of ram for VSM and display memory.
+ * FIXME -- make this configurable
+ */
+#define RAMADJUSTMB 9
/*
*/
@@ -139,7 +144,7 @@ setup_gx2_cache(void)
val |= ((unsigned long long) DEVICE_PROPERTIES) << 28;
/* sigh. Take our TOM, RIGHT shift 12, since it page-aligned, then LEFT-shift 8 for reg. */
/* yank off 8M for frame buffer and 1M for VSA */
- sizembytes -= 9;
+ sizembytes -= RAMADJUSTMB;
sizereg = sizembytes;
sizereg *= 0x100000;
sizereg >>= 12;
@@ -434,7 +439,7 @@ static void enable_dev(struct device *dev)
do_vsmbios();
dev->ops = &pci_domain_ops;
pci_set_method(dev);
- ram_resource(dev, 0, 0, sizeram()*1024);
+ ram_resource(dev, 0, 0, (sizeram() - RAMADJUSTMB)*1024);
} else if (dev->path.type == DEVICE_PATH_APIC_CLUSTER) {
printk_debug("DEVICE_PATH_APIC_CLUSTER\n");