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| author | Zheng Bao <zheng.bao@amd.com> | 2009-07-10 03:42:13 +0000 |
|---|---|---|
| committer | Zheng Bao <Zheng.Bao@amd.com> | 2009-07-10 03:42:13 +0000 |
| commit | 7d4fd2c1081a7674c0631cbe96aa23ca51879586 (patch) | |
| tree | 0181977d175d4a3e2fc2913a62ff3387aafa028d /src | |
| parent | 9f26b8f7108f96dba4872fd344d7f102a19734d3 (diff) | |
| download | coreboot-7d4fd2c1081a7674c0631cbe96aa23ca51879586.tar.xz | |
This seems to be a more official, common, simple way to check if the CPU is dual core or
single core.
Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4415 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
| -rw-r--r-- | src/southbridge/amd/sb600/sb600_early_setup.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/src/southbridge/amd/sb600/sb600_early_setup.c b/src/southbridge/amd/sb600/sb600_early_setup.c index b605b5e3bf..df3c558922 100644 --- a/src/southbridge/amd/sb600/sb600_early_setup.c +++ b/src/southbridge/amd/sb600/sb600_early_setup.c @@ -125,11 +125,7 @@ static u32 get_sbdn(u32 bus) static u8 dual_core() { - if(((cpuid_eax(0x80000000) & ~0xff) >= 8)) { - if(cpuid_ecx(0x80000008) & 1) - return 1; - } - return 0; + return (pci_read_config32(PCI_DEV(0, 0x18, 3), 0xE8) & (0x3<<12)) != 0; } /* |