Zheng Bao (zheng.bao@amd.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/1405
-gerrit
commit a1b1a4df8b07141ee7e8cfc13095ba36c9f883ed Author: zbao fishbaozi@gmail.com Date: Fri Aug 3 16:06:08 2012 +0800
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 --- 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 d7e9521..d9a153b 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 */