Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2014 Google Inc. |
Subrata Banik | b3585b9 | 2018-01-08 13:57:43 +0530 | [diff] [blame] | 5 | * Copyright (C) 2015-2018 Intel Corporation. |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; version 2 of the License. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | */ |
| 16 | |
| 17 | #include <arch/cpu.h> |
| 18 | #include <arch/io.h> |
| 19 | #include <console/console.h> |
| 20 | #include <cpu/x86/msr.h> |
| 21 | #include <device/pci.h> |
| 22 | #include <device/pci_ids.h> |
Subrata Banik | b3585b9 | 2018-01-08 13:57:43 +0530 | [diff] [blame] | 23 | #include <intelblocks/mp_init.h> |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 24 | #include <soc/bootblock.h> |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 25 | #include <soc/pch.h> |
| 26 | #include <soc/pci_devs.h> |
| 27 | #include <string.h> |
| 28 | |
| 29 | #define BIOS_SIGN_ID 0x8B |
| 30 | |
| 31 | static struct { |
| 32 | u32 cpuid; |
| 33 | const char *name; |
| 34 | } cpu_table[] = { |
| 35 | { CPUID_CANNONLAKE_A0, "Cannonlake A0" }, |
| 36 | { CPUID_CANNONLAKE_B0, "Cannonlake B0" }, |
| 37 | { CPUID_CANNONLAKE_C0, "Cannonlake C0" }, |
Lijian Zhao | e987228 | 2018-01-21 21:05:54 -0800 | [diff] [blame] | 38 | { CPUID_CANNONLAKE_D0, "Cannonlake D0" }, |
Maulik | fc19ab5 | 2018-01-05 22:40:35 +0530 | [diff] [blame] | 39 | { CPUID_COFFEELAKE_D0, "Coffeelake D0" }, |
| 40 | { CPUID_WHISKEYLAKE_W0, "Whiskeylake W0"}, |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 41 | }; |
| 42 | |
| 43 | static struct { |
| 44 | u16 mchid; |
| 45 | const char *name; |
| 46 | } mch_table[] = { |
| 47 | { PCI_DEVICE_ID_INTEL_CNL_ID_U, "Cannonlake-U" }, |
| 48 | { PCI_DEVICE_ID_INTEL_CNL_ID_Y, "Cannonlake-Y" }, |
Maulik | fc19ab5 | 2018-01-05 22:40:35 +0530 | [diff] [blame] | 49 | { PCI_DEVICE_ID_INTEL_CFL_ID_U, "Coffeelake U (4+3e)"}, |
Krzysztof Sywula | bb0cf01 | 2018-08-15 09:26:35 -0700 | [diff] [blame^] | 50 | { PCI_DEVICE_ID_INTEL_WHL_ID_Wx4, "Whiskeylake W (4+2)"}, |
| 51 | { PCI_DEVICE_ID_INTEL_WHL_ID_Wx2, "Whiskeylake W (2+2)"}, |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 52 | }; |
| 53 | |
| 54 | static struct { |
Subrata Banik | ec10fbb | 2017-12-07 11:48:48 +0530 | [diff] [blame] | 55 | u16 lpcid; |
| 56 | const char *name; |
| 57 | } pch_table[] = { |
| 58 | { PCI_DEVICE_ID_INTEL_CNL_BASE_U_LPC, "Cannonlake-U Base" }, |
| 59 | { PCI_DEVICE_ID_INTEL_CNL_U_PREMIUM_LPC, "Cannonlake-U Premium" }, |
| 60 | { PCI_DEVICE_ID_INTEL_CNL_Y_PREMIUM_LPC, "Cannonlake-Y Premium" }, |
| 61 | }; |
| 62 | |
| 63 | static struct { |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 64 | u16 igdid; |
| 65 | const char *name; |
| 66 | } igd_table[] = { |
| 67 | { PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_1, "Cannonlake ULX GT2" }, |
| 68 | { PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_2, "Cannonlake ULX GT1.5" }, |
| 69 | { PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_3, "Cannonlake ULX GT1" }, |
| 70 | { PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_4, "Cannonlake ULX GT0.5" }, |
| 71 | { PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_1, "Cannonlake ULT GT2" }, |
| 72 | { PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_2, "Cannonlake ULT GT1.5" }, |
| 73 | { PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_3, "Cannonlake ULT GT1" }, |
| 74 | { PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_4, "Cannonlake ULT GT0.5" }, |
Maulik | fc19ab5 | 2018-01-05 22:40:35 +0530 | [diff] [blame] | 75 | { PCI_DEVICE_ID_INTEL_CFL_GT2_ULT, "Coffeelake ULT GT2"}, |
| 76 | { PCI_DEVICE_ID_INTEL_WHL_GT2_ULT_1, "Whiskeylake ULT GT1"}, |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 77 | }; |
| 78 | |
Elyes HAOUAS | c8a649c | 2018-06-10 23:36:44 +0200 | [diff] [blame] | 79 | static uint8_t get_dev_revision(pci_devfn_t dev) |
Subrata Banik | ec10fbb | 2017-12-07 11:48:48 +0530 | [diff] [blame] | 80 | { |
| 81 | return pci_read_config8(dev, PCI_REVISION_ID); |
| 82 | } |
| 83 | |
Elyes HAOUAS | c8a649c | 2018-06-10 23:36:44 +0200 | [diff] [blame] | 84 | static uint16_t get_dev_id(pci_devfn_t dev) |
Subrata Banik | ec10fbb | 2017-12-07 11:48:48 +0530 | [diff] [blame] | 85 | { |
| 86 | return pci_read_config16(dev, PCI_DEVICE_ID); |
| 87 | } |
| 88 | |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 89 | static void report_cpu_info(void) |
| 90 | { |
| 91 | struct cpuid_result cpuidr; |
| 92 | u32 i, index; |
| 93 | char cpu_string[50], *cpu_name = cpu_string; /* 48 bytes are reported */ |
| 94 | int vt, txt, aes; |
| 95 | msr_t microcode_ver; |
Elyes HAOUAS | 39303d5 | 2018-07-08 12:40:45 +0200 | [diff] [blame] | 96 | static const char *const mode[] = {"NOT ", ""}; |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 97 | const char *cpu_type = "Unknown"; |
Martin Roth | 3f6421e | 2017-07-21 09:17:58 -0600 | [diff] [blame] | 98 | u32 p[13]; |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 99 | |
| 100 | index = 0x80000000; |
| 101 | cpuidr = cpuid(index); |
| 102 | if (cpuidr.eax < 0x80000004) { |
| 103 | strcpy(cpu_string, "Platform info not available"); |
| 104 | } else { |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 105 | int j=0; |
| 106 | |
| 107 | for (i = 2; i <= 4; i++) { |
| 108 | cpuidr = cpuid(index + i); |
| 109 | p[j++] = cpuidr.eax; |
| 110 | p[j++] = cpuidr.ebx; |
| 111 | p[j++] = cpuidr.ecx; |
| 112 | p[j++] = cpuidr.edx; |
| 113 | } |
| 114 | p[12]=0; |
| 115 | cpu_name = (char *)p; |
| 116 | } |
| 117 | /* Skip leading spaces in CPU name string */ |
| 118 | while (cpu_name[0] == ' ') |
| 119 | cpu_name++; |
| 120 | |
| 121 | microcode_ver.lo = 0; |
| 122 | microcode_ver.hi = 0; |
| 123 | wrmsr(BIOS_SIGN_ID, microcode_ver); |
| 124 | cpuidr = cpuid(1); |
| 125 | microcode_ver = rdmsr(BIOS_SIGN_ID); |
| 126 | |
| 127 | /* Look for string to match the name */ |
| 128 | for (i = 0; i < ARRAY_SIZE(cpu_table); i++) { |
| 129 | if (cpu_table[i].cpuid == cpuidr.eax) { |
| 130 | cpu_type = cpu_table[i].name; |
| 131 | break; |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | printk(BIOS_DEBUG, "CPU: %s\n", cpu_name); |
| 136 | printk(BIOS_DEBUG, "CPU: ID %x, %s, ucode: %08x\n", |
| 137 | cpuidr.eax, cpu_type, microcode_ver.hi); |
| 138 | |
| 139 | aes = (cpuidr.ecx & (1 << 25)) ? 1 : 0; |
| 140 | txt = (cpuidr.ecx & (1 << 6)) ? 1 : 0; |
| 141 | vt = (cpuidr.ecx & (1 << 5)) ? 1 : 0; |
| 142 | printk(BIOS_DEBUG, |
| 143 | "CPU: AES %ssupported, TXT %ssupported, VT %ssupported\n", |
| 144 | mode[aes], mode[txt], mode[vt]); |
| 145 | } |
| 146 | |
| 147 | static void report_mch_info(void) |
| 148 | { |
| 149 | int i; |
Elyes HAOUAS | c8a649c | 2018-06-10 23:36:44 +0200 | [diff] [blame] | 150 | pci_devfn_t dev = SA_DEV_ROOT; |
Subrata Banik | ec10fbb | 2017-12-07 11:48:48 +0530 | [diff] [blame] | 151 | uint16_t mchid = get_dev_id(dev); |
| 152 | uint8_t mch_revision = get_dev_revision(dev); |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 153 | const char *mch_type = "Unknown"; |
| 154 | |
| 155 | for (i = 0; i < ARRAY_SIZE(mch_table); i++) { |
| 156 | if (mch_table[i].mchid == mchid) { |
| 157 | mch_type = mch_table[i].name; |
| 158 | break; |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | printk(BIOS_DEBUG, "MCH: device id %04x (rev %02x) is %s\n", |
Subrata Banik | ec10fbb | 2017-12-07 11:48:48 +0530 | [diff] [blame] | 163 | mchid, mch_revision, mch_type); |
| 164 | } |
| 165 | |
| 166 | static void report_pch_info(void) |
| 167 | { |
| 168 | int i; |
Elyes HAOUAS | c8a649c | 2018-06-10 23:36:44 +0200 | [diff] [blame] | 169 | pci_devfn_t dev = PCH_DEV_LPC; |
Subrata Banik | ec10fbb | 2017-12-07 11:48:48 +0530 | [diff] [blame] | 170 | uint16_t lpcid = get_dev_id(dev); |
| 171 | const char *pch_type = "Unknown"; |
| 172 | |
| 173 | for (i = 0; i < ARRAY_SIZE(pch_table); i++) { |
| 174 | if (pch_table[i].lpcid == lpcid) { |
| 175 | pch_type = pch_table[i].name; |
| 176 | break; |
| 177 | } |
| 178 | } |
| 179 | printk(BIOS_DEBUG, "PCH: device id %04x (rev %02x) is %s\n", |
| 180 | lpcid, get_dev_revision(dev), pch_type); |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 181 | } |
| 182 | |
| 183 | static void report_igd_info(void) |
| 184 | { |
| 185 | int i; |
Elyes HAOUAS | c8a649c | 2018-06-10 23:36:44 +0200 | [diff] [blame] | 186 | pci_devfn_t dev = SA_DEV_IGD; |
Subrata Banik | ec10fbb | 2017-12-07 11:48:48 +0530 | [diff] [blame] | 187 | uint16_t igdid = get_dev_id(dev); |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 188 | const char *igd_type = "Unknown"; |
| 189 | |
| 190 | for (i = 0; i < ARRAY_SIZE(igd_table); i++) { |
| 191 | if (igd_table[i].igdid == igdid) { |
| 192 | igd_type = igd_table[i].name; |
| 193 | break; |
| 194 | } |
| 195 | } |
| 196 | printk(BIOS_DEBUG, "IGD: device id %04x (rev %02x) is %s\n", |
Subrata Banik | ec10fbb | 2017-12-07 11:48:48 +0530 | [diff] [blame] | 197 | igdid, get_dev_revision(dev), igd_type); |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 198 | } |
| 199 | |
| 200 | void report_platform_info(void) |
| 201 | { |
| 202 | report_cpu_info(); |
| 203 | report_mch_info(); |
Subrata Banik | ec10fbb | 2017-12-07 11:48:48 +0530 | [diff] [blame] | 204 | report_pch_info(); |
Andrey Petrov | a00e104 | 2017-06-05 13:22:59 -0700 | [diff] [blame] | 205 | report_igd_info(); |
| 206 | } |