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-rw-r--r--src/northbridge/amd/agesa/family15tn/northbridge.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/src/northbridge/amd/agesa/family15tn/northbridge.c b/src/northbridge/amd/agesa/family15tn/northbridge.c
index c7a87dbe5a..bc3877fb02 100644
--- a/src/northbridge/amd/agesa/family15tn/northbridge.c
+++ b/src/northbridge/amd/agesa/family15tn/northbridge.c
@@ -636,7 +636,7 @@ static struct hw_mem_hole_info get_hw_mem_hole_info(void)
}
#endif
-#define ONE_MB 0x100000
+#define ONE_MB_SHIFT 20
void setup_uma_memory(void)
{
@@ -663,13 +663,13 @@ void setup_uma_memory(void)
* >=1G 256M
* <1G 64M
*/
- sys_mem = msr.lo + 16 * ONE_MB; // Ignore 16MB allocated for C6 when finding UMA size
- if ((msr2.hi & 0x0000000F) || (sys_mem >= 2048 * ONE_MB)) {
- uma_memory_size = 512 * ONE_MB;
- } else if (sys_mem >= 1024 * ONE_MB) {
- uma_memory_size = 256 * ONE_MB;
+ sys_mem = msr.lo + (16 << ONE_MB_SHIFT); // Ignore 16MB allocated for C6 when finding UMA size
+ if ((msr2.hi & 0x0000000F) || (sys_mem >= 2048 << ONE_MB_SHIFT)) {
+ uma_memory_size = 512 << ONE_MB_SHIFT;
+ } else if (sys_mem >= 1024 << ONE_MB_SHIFT) {
+ uma_memory_size = 256 << ONE_MB_SHIFT;
} else {
- uma_memory_size = 64 * ONE_MB;
+ uma_memory_size = 64 << ONE_MB_SHIFT;
}
uma_memory_base = msr.lo - uma_memory_size; /* TOP_MEM1 */
@@ -678,8 +678,8 @@ void setup_uma_memory(void)
/* TODO: TOP_MEM2 */
#else
- uma_memory_size = 256 * ONE_MB; /* 256M recommended UMA */
- uma_memory_base = 768 * ONE_MB; /* 1GB system memory supported */
+ uma_memory_size = 256 << ONE_MB_SHIFT; /* 256M recommended UMA */
+ uma_memory_base = 768 << ONE_MB_SHIFT; /* 1GB system memory supported */
#endif
}