| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2018 Intel Corp. |
| * |
| * 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 <arch/io.h> |
| #include <console/console.h> |
| #include <cpu/x86/msr.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <intelblocks/mp_init.h> |
| #include <soc/bootblock.h> |
| #include <soc/pch.h> |
| #include <soc/pci_devs.h> |
| #include <string.h> |
| |
| #define BIOS_SIGN_ID 0x8B |
| |
| static struct { |
| u32 cpuid; |
| const char *name; |
| } cpu_table[] = { |
| { CPUID_ICELAKE_A0, "Icelake A0" }, |
| { CPUID_ICELAKE_B0, "Icelake B0" }, |
| }; |
| |
| static struct { |
| u16 mchid; |
| const char *name; |
| } mch_table[] = { |
| { PCI_DEVICE_ID_INTEL_ICL_ID_U, "Icelake-U" }, |
| { PCI_DEVICE_ID_INTEL_ICL_ID_U_2_2, "Icelake-U-2-2" }, |
| { PCI_DEVICE_ID_INTEL_ICL_ID_Y, "Icelake-Y" }, |
| { PCI_DEVICE_ID_INTEL_ICL_ID_Y_2, "Icelake-Y-2" }, |
| }; |
| |
| static struct { |
| u16 lpcid; |
| const char *name; |
| } pch_table[] = { |
| { PCI_DEVICE_ID_INTEL_ICL_BASE_U_LPC, "Icelake-U Base" }, |
| { PCI_DEVICE_ID_INTEL_ICL_BASE_Y_LPC, "Icelake-Y Base" }, |
| { PCI_DEVICE_ID_INTEL_ICL_U_PREMIUM_LPC, "Icelake-U Premium" }, |
| { PCI_DEVICE_ID_INTEL_ICL_U_SUPER_U_LPC, "Icelake-U Super" }, |
| { PCI_DEVICE_ID_INTEL_ICL_U_SUPER_U_LPC_REV0, "Icelake-U Super REV0" }, |
| { PCI_DEVICE_ID_INTEL_ICL_SUPER_Y_LPC, "Icelake-Y Super" }, |
| { PCI_DEVICE_ID_INTEL_ICL_Y_PREMIUM_LPC, "Icelake-Y Premium" }, |
| }; |
| |
| static struct { |
| u16 igdid; |
| const char *name; |
| } igd_table[] = { |
| { PCI_DEVICE_ID_INTEL_ICL_GT0_ULT, "Icelake ULT GT0" }, |
| { PCI_DEVICE_ID_INTEL_ICL_GT0_5_ULT, "Icelake ULT GT0.5" }, |
| { PCI_DEVICE_ID_INTEL_ICL_GT1_ULT, "Icelake U GT1" }, |
| { PCI_DEVICE_ID_INTEL_ICL_GT2_ULX_0, "Icelake Y GT2" }, |
| { PCI_DEVICE_ID_INTEL_ICL_GT2_ULX_1, "Icelake Y GT2_1" }, |
| { PCI_DEVICE_ID_INTEL_ICL_GT2_ULT_1, "Icelake U GT2_1" }, |
| { PCI_DEVICE_ID_INTEL_ICL_GT2_ULX_2, "Icelake Y GT2_2" }, |
| { PCI_DEVICE_ID_INTEL_ICL_GT2_ULT_2, "Icelake U GT2_2" }, |
| { PCI_DEVICE_ID_INTEL_ICL_GT2_ULX_3, "Icelake Y GT2_3" }, |
| { PCI_DEVICE_ID_INTEL_ICL_GT2_ULT_3, "Icelake U GT2_3" }, |
| { PCI_DEVICE_ID_INTEL_ICL_GT2_ULX_4, "Icelake Y GT2_4" }, |
| { PCI_DEVICE_ID_INTEL_ICL_GT2_ULT_4, "Icelake U GT2_4" }, |
| { PCI_DEVICE_ID_INTEL_ICL_GT2_ULX_5, "Icelake Y GT2_5" }, |
| { PCI_DEVICE_ID_INTEL_ICL_GT2_ULT_5, "Icelake U GT2_5" }, |
| { PCI_DEVICE_ID_INTEL_ICL_GT3_ULT, "Icelake U GT3" }, |
| }; |
| |
| static uint8_t get_dev_revision(pci_devfn_t dev) |
| { |
| return pci_read_config8(dev, PCI_REVISION_ID); |
| } |
| |
| static uint16_t get_dev_id(pci_devfn_t dev) |
| { |
| return pci_read_config16(dev, PCI_DEVICE_ID); |
| } |
| |
| 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; |
| static const char *const mode[] = {"NOT ", ""}; |
| const char *cpu_type = "Unknown"; |
| u32 p[13]; |
| |
| index = 0x80000000; |
| cpuidr = cpuid(index); |
| if (cpuidr.eax < 0x80000004) { |
| strcpy(cpu_string, "Platform info not available"); |
| } else { |
| int j = 0; |
| |
| for (i = 2; i <= 4; i++) { |
| cpuidr = cpuid(index + i); |
| p[j++] = cpuidr.eax; |
| p[j++] = cpuidr.ebx; |
| p[j++] = cpuidr.ecx; |
| p[j++] = cpuidr.edx; |
| } |
| p[12] = 0; |
| cpu_name = (char *)p; |
| } |
| /* Skip leading spaces in CPU name string */ |
| while (cpu_name[0] == ' ') |
| cpu_name++; |
| |
| microcode_ver.lo = 0; |
| microcode_ver.hi = 0; |
| wrmsr(BIOS_SIGN_ID, microcode_ver); |
| cpuidr = cpuid(1); |
| microcode_ver = rdmsr(BIOS_SIGN_ID); |
| |
| /* Look for string to match the name */ |
| for (i = 0; i < ARRAY_SIZE(cpu_table); i++) { |
| if (cpu_table[i].cpuid == cpuidr.eax) { |
| cpu_type = cpu_table[i].name; |
| break; |
| } |
| } |
| |
| printk(BIOS_DEBUG, "CPU: %s\n", cpu_name); |
| printk(BIOS_DEBUG, "CPU: ID %x, %s, ucode: %08x\n", |
| cpuidr.eax, cpu_type, microcode_ver.hi); |
| |
| aes = (cpuidr.ecx & (1 << 25)) ? 1 : 0; |
| txt = (cpuidr.ecx & (1 << 6)) ? 1 : 0; |
| vt = (cpuidr.ecx & (1 << 5)) ? 1 : 0; |
| printk(BIOS_DEBUG, |
| "CPU: AES %ssupported, TXT %ssupported, VT %ssupported\n", |
| mode[aes], mode[txt], mode[vt]); |
| } |
| |
| static void report_mch_info(void) |
| { |
| int i; |
| pci_devfn_t dev = SA_DEV_ROOT; |
| uint16_t mchid = get_dev_id(dev); |
| uint8_t mch_revision = get_dev_revision(dev); |
| const char *mch_type = "Unknown"; |
| |
| for (i = 0; i < ARRAY_SIZE(mch_table); i++) { |
| if (mch_table[i].mchid == mchid) { |
| mch_type = mch_table[i].name; |
| break; |
| } |
| } |
| |
| printk(BIOS_DEBUG, "MCH: device id %04x (rev %02x) is %s\n", |
| mchid, mch_revision, mch_type); |
| } |
| |
| static void report_pch_info(void) |
| { |
| int i; |
| pci_devfn_t dev = PCH_DEV_LPC; |
| uint16_t lpcid = get_dev_id(dev); |
| const char *pch_type = "Unknown"; |
| |
| for (i = 0; i < ARRAY_SIZE(pch_table); i++) { |
| if (pch_table[i].lpcid == lpcid) { |
| pch_type = pch_table[i].name; |
| break; |
| } |
| } |
| printk(BIOS_DEBUG, "PCH: device id %04x (rev %02x) is %s\n", |
| lpcid, get_dev_revision(dev), pch_type); |
| } |
| |
| static void report_igd_info(void) |
| { |
| int i; |
| pci_devfn_t dev = SA_DEV_IGD; |
| uint16_t igdid = get_dev_id(dev); |
| const char *igd_type = "Unknown"; |
| |
| for (i = 0; i < ARRAY_SIZE(igd_table); i++) { |
| if (igd_table[i].igdid == igdid) { |
| igd_type = igd_table[i].name; |
| break; |
| } |
| } |
| printk(BIOS_DEBUG, "IGD: device id %04x (rev %02x) is %s\n", |
| igdid, get_dev_revision(dev), igd_type); |
| } |
| |
| void report_platform_info(void) |
| { |
| report_cpu_info(); |
| report_mch_info(); |
| report_pch_info(); |
| report_igd_info(); |
| } |