diff options
Diffstat (limited to 'src/cpu/amd/family_10h-family_15h/model_10xxx_init.c')
| -rw-r--r-- | src/cpu/amd/family_10h-family_15h/model_10xxx_init.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/cpu/amd/family_10h-family_15h/model_10xxx_init.c b/src/cpu/amd/family_10h-family_15h/model_10xxx_init.c new file mode 100644 index 0000000000..8d6610ceef --- /dev/null +++ b/src/cpu/amd/family_10h-family_15h/model_10xxx_init.c @@ -0,0 +1,161 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007 Advanced Micro Devices, Inc. + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering + * + * 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 <console/console.h> +#include <cpu/x86/msr.h> +#include <cpu/amd/mtrr.h> +#include <device/device.h> +#include <device/pci.h> +#include <string.h> +#include <cpu/x86/msr.h> +#include <cpu/x86/smm.h> +#include <cpu/x86/pae.h> +#include <pc80/mc146818rtc.h> +#include <cpu/x86/lapic.h> +#include "northbridge/amd/amdfam10/amdfam10.h" +#include <cpu/amd/model_10xxx_rev.h> +#include <cpu/cpu.h> +#include <cpu/x86/cache.h> +#include <cpu/x86/mtrr.h> +#include <cpu/amd/multicore.h> +#include <cpu/amd/model_10xxx_msr.h> + +#define MCI_STATUS 0x401 + +static void model_10xxx_init(device_t dev) +{ + u8 i; + msr_t msr; + struct node_core_id id; +#if CONFIG_LOGICAL_CPUS + u32 siblings; +#endif + + id = get_node_core_id(read_nb_cfg_54()); /* nb_cfg_54 can not be set */ + printk(BIOS_DEBUG, "nodeid = %02d, coreid = %02d\n", id.nodeid, id.coreid); + + /* Turn on caching if we haven't already */ + x86_enable_cache(); + amd_setup_mtrrs(); + x86_mtrr_check(); + + disable_cache(); + + /* zero the machine check error status registers */ + msr.lo = 0; + msr.hi = 0; + for (i = 0; i < 5; i++) { + wrmsr(MCI_STATUS + (i * 4), msr); + } + + enable_cache(); + + /* Enable the local cpu apics */ + setup_lapic(); + + /* Set the processor name string */ + init_processor_name(); + +#if CONFIG_LOGICAL_CPUS + siblings = cpuid_ecx(0x80000008) & 0xff; + + if (siblings > 0) { + msr = rdmsr_amd(CPU_ID_FEATURES_MSR); + msr.lo |= 1 << 28; + wrmsr_amd(CPU_ID_FEATURES_MSR, msr); + + msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR); + msr.hi |= 1 << (33 - 32); + wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr); + } + printk(BIOS_DEBUG, "siblings = %02d, ", siblings); +#endif + + /* DisableCf8ExtCfg */ + msr = rdmsr(NB_CFG_MSR); + msr.hi &= ~(1 << (46 - 32)); + wrmsr(NB_CFG_MSR, msr); + + msr = rdmsr(BU_CFG2_MSR); + /* Clear ClLinesToNbDis */ + msr.lo &= ~(1 << 15); + /* Clear bit 35 as per Erratum 343 */ + msr.hi &= ~(1 << (35-32)); + wrmsr(BU_CFG2_MSR, msr); + + if (IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)) { + printk(BIOS_DEBUG, "Initializing SMM ASeg memory\n"); + + /* Set SMM base address for this CPU */ + msr = rdmsr(SMM_BASE_MSR); + msr.lo = SMM_BASE - (lapicid() * 0x400); + wrmsr(SMM_BASE_MSR, msr); + + /* Enable the SMM memory window */ + msr = rdmsr(SMM_MASK_MSR); + msr.lo |= (1 << 0); /* Enable ASEG SMRAM Range */ + wrmsr(SMM_MASK_MSR, msr); + } else { + printk(BIOS_DEBUG, "Disabling SMM ASeg memory\n"); + + /* Set SMM base address for this CPU */ + msr = rdmsr(SMM_BASE_MSR); + msr.lo = SMM_BASE - (lapicid() * 0x400); + wrmsr(SMM_BASE_MSR, msr); + + /* Disable the SMM memory window */ + msr.hi = 0x0; + msr.lo = 0x0; + wrmsr(SMM_MASK_MSR, msr); + } + + /* Set SMMLOCK to avoid exploits messing with SMM */ + msr = rdmsr(HWCR_MSR); + msr.lo |= (1 << 0); + wrmsr(HWCR_MSR, msr); + +} + +static struct device_operations cpu_dev_ops = { + .init = model_10xxx_init, +}; + +static struct cpu_device_id cpu_table[] = { +//AMD_GH_SUPPORT + { X86_VENDOR_AMD, 0x100f00 }, /* SH-F0 L1 */ + { X86_VENDOR_AMD, 0x100f10 }, /* M2 */ + { X86_VENDOR_AMD, 0x100f20 }, /* S1g1 */ + { X86_VENDOR_AMD, 0x100f21 }, + { X86_VENDOR_AMD, 0x100f2A }, + { X86_VENDOR_AMD, 0x100f22 }, + { X86_VENDOR_AMD, 0x100f23 }, + { X86_VENDOR_AMD, 0x100f40 }, /* RB-C0 */ + { X86_VENDOR_AMD, 0x100F42 }, /* RB-C2 */ + { X86_VENDOR_AMD, 0x100F43 }, /* RB-C3 */ + { X86_VENDOR_AMD, 0x100F52 }, /* BL-C2 */ + { X86_VENDOR_AMD, 0x100F62 }, /* DA-C2 */ + { X86_VENDOR_AMD, 0x100F63 }, /* DA-C3 */ + { X86_VENDOR_AMD, 0x100F80 }, /* HY-D0 */ + { X86_VENDOR_AMD, 0x100F81 }, /* HY-D1 */ + { X86_VENDOR_AMD, 0x100F91 }, /* HY-D1 */ + { X86_VENDOR_AMD, 0x100FA0 }, /* PH-E0 */ + { 0, 0 }, +}; + +static const struct cpu_driver model_10xxx __cpu_driver = { + .ops = &cpu_dev_ops, + .id_table = cpu_table, +}; |