diff options
Diffstat (limited to 'src/cpu/amd/quadcore/quadcore_id.c')
| -rw-r--r-- | src/cpu/amd/quadcore/quadcore_id.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/src/cpu/amd/quadcore/quadcore_id.c b/src/cpu/amd/quadcore/quadcore_id.c deleted file mode 100644 index 7ec1bdb4f6..0000000000 --- a/src/cpu/amd/quadcore/quadcore_id.c +++ /dev/null @@ -1,152 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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/msr.h> -#include <cpu/amd/multicore.h> -#include <device/pci_ops.h> - -//called by bus_cpu_scan too -u32 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) & 0xff; -} - -/* Called by amd_siblings (ramstage) as well */ -struct node_core_id get_node_core_id(u32 nb_cfg_54) -{ - struct node_core_id id; - uint8_t apicid; - uint8_t fam15h = 0; - uint8_t rev_gte_d = 0; - uint8_t dual_node = 0; - uint32_t f3xe8; - uint32_t family; - uint32_t model; - -#if ENV_PCI_SIMPLE_DEVICE - f3xe8 = pci_read_config32(NODE_PCI(0, 3), 0xe8); -#else - f3xe8 = pci_read_config32(get_node_pci(0, 3), 0xe8); -#endif - - family = model = cpuid_eax(0x80000001); - model = ((model & 0xf0000) >> 12) | ((model & 0xf0) >> 4); - family = ((family & 0xf00000) >> 16) | ((family & 0xf00) >> 8); - - if (family >= 0x6f) { - /* Family 15h or later */ - fam15h = 1; - nb_cfg_54 = 1; - } - - if ((model >= 0x8) || fam15h) - /* Revision D or later */ - rev_gte_d = 1; - - if (rev_gte_d) - /* Check for dual node capability */ - if (f3xe8 & 0x20000000) - dual_node = 1; - - /* Get the apicid via cpuid(1) ebx[31:24] - * The apicid format varies based on processor revision - */ - apicid = (cpuid_ebx(1) >> 24) & 0xff; - if (nb_cfg_54) { - if (fam15h && dual_node) { - id.coreid = apicid & 0x1f; - id.nodeid = (apicid & 0x60) >> 5; - } else if (fam15h && !dual_node) { - id.coreid = apicid & 0xf; - id.nodeid = (apicid & 0x70) >> 4; - } else if (rev_gte_d && dual_node) { - id.coreid = apicid & 0xf; - id.nodeid = (apicid & 0x30) >> 4; - } else if (rev_gte_d && !dual_node) { - id.coreid = apicid & 0x7; - id.nodeid = (apicid & 0x38) >> 3; - } else { - id.coreid = apicid & 0x3; - id.nodeid = (apicid & 0x1c) >> 2; - } - } else { - if (rev_gte_d && dual_node) { - id.coreid = (apicid & 0xf0) >> 4; - id.nodeid = apicid & 0x3; - } else if (rev_gte_d && !dual_node) { - id.coreid = (apicid & 0xe0) >> 5; - id.nodeid = apicid & 0x7; - } else { - id.coreid = (apicid & 0x60) >> 5; - id.nodeid = apicid & 0x7; - } - } - if (fam15h && dual_node) { - /* coreboot expects each separate processor die to be on a - * different nodeid. - * Since the code above returns nodeid 0 even on - * internal node 1 some fixup is needed... - */ - uint32_t f5x84; - uint8_t core_count; - -#if ENV_PCI_SIMPLE_DEVICE - f5x84 = pci_read_config32(NODE_PCI(0, 5), 0x84); -#else - f5x84 = pci_read_config32(get_node_pci(0, 5), 0x84); -#endif - core_count = (f5x84 & 0xff) + 1; - id.nodeid = id.nodeid * 2; - if (id.coreid >= core_count) { - id.nodeid += 1; - id.coreid = id.coreid - core_count; - } - } else if (rev_gte_d && dual_node) { - /* coreboot expects each separate processor die to be on a - * different nodeid. - * Since the code above returns nodeid 0 even on - * internal node 1 some fixup is needed... - */ - uint8_t core_count = (((f3xe8 & 0x00008000) >> 13) | - ((f3xe8 & 0x00003000) >> 12)) + 1; - - id.nodeid = id.nodeid * 2; - if (id.coreid >= core_count) { - id.nodeid += 1; - id.coreid = id.coreid - core_count; - } - } - - return id; -} - -#ifdef UNUSED_CODE -static u32 get_core_num(void) -{ - return (cpuid_ecx(0x80000008) & 0xff); -} -#endif - -struct node_core_id get_node_core_id_x(void) -{ - return get_node_core_id(read_nb_cfg_54()); -} |