diff options
Diffstat (limited to 'src/cpu/amd/dualcore/dualcore_id.c')
-rw-r--r-- | src/cpu/amd/dualcore/dualcore_id.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/src/cpu/amd/dualcore/dualcore_id.c b/src/cpu/amd/dualcore/dualcore_id.c deleted file mode 100644 index e7af552dcb..0000000000 --- a/src/cpu/amd/dualcore/dualcore_id.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2004 Yinghai Lu - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <arch/cpu.h> -#include <cpu/amd/multicore.h> -#ifdef __PRE_RAM__ -#include <cpu/amd/msr.h> -#endif - -//called by bus_cpu_scan too -unsigned int read_nb_cfg_54(void) -{ - msr_t msr; - msr = rdmsr(NB_CFG_MSR); - return ( ( msr.hi >> (54-32)) & 1); -} - -u32 get_initial_apicid(void) -{ - return ((cpuid_ebx(1) >> 24) & 0xf); -} - -//called by amd_siblings too -#define CORE_ID_BIT 1 -#define NODE_ID_BIT 3 -struct node_core_id get_node_core_id(unsigned nb_cfg_54) -{ - struct node_core_id id; - // get the apicid via cpuid(1) ebx[27:24] - if ( nb_cfg_54) { - // when NB_CFG[54] is set, nodeid = ebx[27:25], coreid = ebx[24] - id.coreid = (cpuid_ebx(1) >> 24) & 0xf; - id.nodeid = (id.coreid>>CORE_ID_BIT); - id.coreid &= ((1 << CORE_ID_BIT)-1); - } - else - { - // when NB_CFG[54] is clear, nodeid = ebx[26:24], coreid = ebx[27] - id.nodeid = (cpuid_ebx(1) >> 24) & 0xf; - id.coreid = (id.nodeid>>NODE_ID_BIT); - id.nodeid &= ((1 << NODE_ID_BIT)-1); - } - return id; -} - -static inline unsigned get_core_num(void) -{ - return (cpuid_ecx(0x80000008) & 0xff); -} - -struct node_core_id get_node_core_id_x(void) -{ - - return get_node_core_id(read_nb_cfg_54()); // for pre_e0() nb_cfg_54 always be 0 -} |