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AMD f15: Change multiply ONE_MB to bit shifting (Propagation)

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Apply the change
http://review.coreboot.org/1263
to family15 northbridge.

Change-Id: If1109f20ffd833a716e092c5e4f6f16ee6b968c7
Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Signed-off-by: zbao <fishbaozi@gmail.com>
[km: rebased]
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/1405
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)
This commit is contained in:
zbao
2012-08-03 16:06:08 +08:00
committed by Alexandru Gagniuc
parent 366f0fc30a
commit ffb6bddea2
1 changed files with 7 additions and 7 deletions
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14
src/northbridge/amd/agesa/family15/northbridge.c
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@@ -627,7 +627,7 @@ static struct hw_mem_hole_info get_hw_mem_hole_info(void)
} }
#endif #endif
#define ONE_MB 0x100000 #define ONE_MB_SHIFT 20
static void setup_uma_memory(void) static void setup_uma_memory(void)
{ {
@@ -654,13 +654,13 @@ static void setup_uma_memory(void)
* >=1G 256M * >=1G 256M
* <1G 64M * <1G 64M
*/ */
sys_mem = msr.lo + 16 * ONE_MB; // Ignore 16MB allocated for C6 when finding UMA size 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)) { if ((msr2.hi & 0x0000000F) || (sys_mem >= 2048 << ONE_MB_SHIFT)) {
uma_memory_size = 512 * ONE_MB; uma_memory_size = 512 << ONE_MB_SHIFT;
} else if (sys_mem >= 1024 * ONE_MB) { } else if (sys_mem >= 1024 << ONE_MB_SHIFT) {
uma_memory_size = 256 * ONE_MB; uma_memory_size = 256 << ONE_MB_SHIFT;
} else { } else {
uma_memory_size = 64 * ONE_MB; uma_memory_size = 64 << ONE_MB_SHIFT;
} }
uma_memory_base = msr.lo - uma_memory_size; /* TOP_MEM1 */ uma_memory_base = msr.lo - uma_memory_size; /* TOP_MEM1 */