diff options
Diffstat (limited to 'src/northbridge/intel/haswell/report_platform.c')
| -rw-r--r-- | src/northbridge/intel/haswell/report_platform.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/northbridge/intel/haswell/report_platform.c b/src/northbridge/intel/haswell/report_platform.c new file mode 100644 index 000000000000..c65bbe5faa4c --- /dev/null +++ b/src/northbridge/intel/haswell/report_platform.c @@ -0,0 +1,112 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Google Inc. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <arch/cpu.h> +#include <string.h> +#include "southbridge/intel/lynxpoint/pch.h" +#include <arch/io.h> +#include <arch/io.h> +#include <cpu/x86/msr.h> +#include <arch/romcc_io.h> +#include "haswell.h" + +static void report_cpu_info(void) +{ + struct cpuid_result cpuidr; + u32 i, index; + char cpu_string[50], *cpu_name = cpu_string; /* 48 bytes are reported */ + int vt, txt, aes; + msr_t microcode_ver; + const char *mode[] = {"NOT ", ""}; + + index = 0x80000000; + cpuidr = cpuid(index); + if (cpuidr.eax < 0x80000004) { + strcpy(cpu_string, "Platform info not available"); + } else { + u32 *p = (u32*) cpu_string; + for (i = 2; i <= 4 ; i++) { + cpuidr = cpuid(index + i); + *p++ = cpuidr.eax; + *p++ = cpuidr.ebx; + *p++ = cpuidr.ecx; + *p++ = cpuidr.edx; + } + } + /* Skip leading spaces in CPU name string */ + while (cpu_name[0] == ' ') + cpu_name++; + + microcode_ver.lo = 0; + microcode_ver.hi = 0; + wrmsr(0x8B, microcode_ver); + cpuidr = cpuid(1); + microcode_ver = rdmsr(0x8b); + printk(BIOS_DEBUG, "CPU id(%x) ucode:%08x %s\n", cpuidr.eax, microcode_ver.hi, cpu_name); + aes = (cpuidr.ecx & (1 << 25)) ? 1 : 0; + txt = (cpuidr.ecx & (1 << 6)) ? 1 : 0; + vt = (cpuidr.ecx & (1 << 5)) ? 1 : 0; + printk(BIOS_DEBUG, "AES %ssupported, TXT %ssupported, VT %ssupported\n", + mode[aes], mode[txt], mode[vt]); +} + +/* The PCI id name match comes from Intel document 472178 */ +static struct { + u16 dev_id; + const char *dev_name; +} pch_table [] = { + {0x8c41, "Mobile Engineering Sample"}, + {0x8c42, "Desktop Engineering Sample"}, + {0x8c46, "Z87"}, + {0x8c49, "Z85"}, + {0x8c4a, "HM86"}, + {0x8c4b, "H87"}, + {0x8c4c, "Q85"}, + {0x8c4e, "Q87"}, + {0x8c4f, "QM87"}, + {0x8c50, "B85"}, + {0x8c52, "C222"}, + {0x8c54, "C224"}, + {0x8c56, "C226"}, + {0x8c5c, "H81"}, +}; + +static void report_pch_info(void) +{ + int i; + u16 dev_id = pci_read_config16(PCH_LPC_DEV, 2); + + + const char *pch_type = "Unknown"; + for (i = 0; i < ARRAY_SIZE(pch_table); i++) { + if (pch_table[i].dev_id == dev_id) { + pch_type = pch_table[i].dev_name; + break; + } + } + printk (BIOS_DEBUG, "PCH type: %s, device id: %x, rev id %x\n", + pch_type, dev_id, pci_read_config8(PCH_LPC_DEV, 8)); +} + +void report_platform_info(void) +{ + report_cpu_info(); + report_pch_info(); +} |