diff options
Diffstat (limited to 'src/cpu/amd/quadcore')
| -rw-r--r-- | src/cpu/amd/quadcore/quadcore.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/cpu/amd/quadcore/quadcore.c b/src/cpu/amd/quadcore/quadcore.c index ac62981723..7d621c5375 100644 --- a/src/cpu/amd/quadcore/quadcore.c +++ b/src/cpu/amd/quadcore/quadcore.c @@ -29,7 +29,11 @@ static u32 get_core_num_in_bsp(u32 nodeid) u32 dword; dword = pci_read_config32(NODE_PCI(nodeid, 3), 0xe8); dword >>= 12; - dword &= 3; + /* Bit 15 is CmpCap[2] since Revision D. */ + if ((cpuid_ecx(0x80000008) & 0xff) > 3) + dword = ((dword & 8) >> 1) | (dword & 3); + else + dword &= 3; return dword; } @@ -53,7 +57,7 @@ static void set_apicid_cpuid_lo(void) { } static void real_start_other_core(u32 nodeid, u32 cores) { - u32 dword; + u32 dword, i; printk_debug("Start other core - nodeid: %02x cores: %02x\n", nodeid, cores); @@ -69,9 +73,8 @@ static void real_start_other_core(u32 nodeid, u32 cores) if(cores > 1) { dword = pci_read_config32(NODE_PCI(nodeid, 0), 0x168); - dword |= (1 << 0); // core2 - if(cores > 2) { // core3 - dword |= (1 << 1); + for (i = 0; i < cores - 1; i++) { + dword |= 1 << i; } pci_write_config32(NODE_PCI(nodeid, 0), 0x168, dword); } |