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| author | zbao <fishbaozi@gmail.com> | 2012-08-03 16:06:08 +0800 |
|---|---|---|
| committer | Alexandru Gagniuc <mr.nuke.me@gmail.com> | 2012-08-05 16:18:47 +0200 |
| commit | ffb6bddea274e2476327efe59661a62cf904de40 (patch) | |
| tree | 1dd22047ff8c3911d022213e3e0a01c2b236b86b /src/northbridge | |
| parent | 366f0fc30a6b0439cfa2867b3d435975512bd9b8 (diff) | |
| download | coreboot-ffb6bddea274e2476327efe59661a62cf904de40.tar.xz | |
AMD f15: Change multiply ONE_MB to bit shifting (Propagation)
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)
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/amd/agesa/family15/northbridge.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/northbridge/amd/agesa/family15/northbridge.c b/src/northbridge/amd/agesa/family15/northbridge.c index d7e952122f..d9a153b53b 100644 --- a/src/northbridge/amd/agesa/family15/northbridge.c +++ b/src/northbridge/amd/agesa/family15/northbridge.c @@ -627,7 +627,7 @@ static struct hw_mem_hole_info get_hw_mem_hole_info(void) } #endif -#define ONE_MB 0x100000 +#define ONE_MB_SHIFT 20 static void setup_uma_memory(void) { @@ -654,13 +654,13 @@ static 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 */ |