1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * From Coreboot src/northbridge/intel/sandybridge/report_platform.c 4 * 5 * Copyright (C) 2012 Google Inc. 6 */ 7 8 #include <common.h> 9 #include <asm/cpu.h> 10 #include <asm/pci.h> 11 #include <asm/report_platform.h> 12 #include <asm/arch/pch.h> 13 14 static void report_cpu_info(void) 15 { 16 char cpu_string[CPU_MAX_NAME_LEN], *cpu_name; 17 const char *mode[] = {"NOT ", ""}; 18 struct cpuid_result cpuidr; 19 int vt, txt, aes; 20 u32 index; 21 22 index = 0x80000000; 23 cpuidr = cpuid(index); 24 if (cpuidr.eax < 0x80000004) { 25 strcpy(cpu_string, "Platform info not available"); 26 cpu_name = cpu_string; 27 } else { 28 cpu_name = cpu_get_name(cpu_string); 29 } 30 31 cpuidr = cpuid(1); 32 debug("CPU id(%x): %s\n", cpuidr.eax, cpu_name); 33 aes = (cpuidr.ecx & (1 << 25)) ? 1 : 0; 34 txt = (cpuidr.ecx & (1 << 6)) ? 1 : 0; 35 vt = (cpuidr.ecx & (1 << 5)) ? 1 : 0; 36 debug("AES %ssupported, TXT %ssupported, VT %ssupported\n", 37 mode[aes], mode[txt], mode[vt]); 38 } 39 40 /* The PCI id name match comes from Intel document 472178 */ 41 static struct { 42 u16 dev_id; 43 const char *dev_name; 44 } pch_table[] = { 45 {0x1E41, "Desktop Sample"}, 46 {0x1E42, "Mobile Sample"}, 47 {0x1E43, "SFF Sample"}, 48 {0x1E44, "Z77"}, 49 {0x1E45, "H71"}, 50 {0x1E46, "Z75"}, 51 {0x1E47, "Q77"}, 52 {0x1E48, "Q75"}, 53 {0x1E49, "B75"}, 54 {0x1E4A, "H77"}, 55 {0x1E53, "C216"}, 56 {0x1E55, "QM77"}, 57 {0x1E56, "QS77"}, 58 {0x1E58, "UM77"}, 59 {0x1E57, "HM77"}, 60 {0x1E59, "HM76"}, 61 {0x1E5D, "HM75"}, 62 {0x1E5E, "HM70"}, 63 {0x1E5F, "NM70"}, 64 }; 65 66 static void report_pch_info(struct udevice *dev) 67 { 68 const char *pch_type = "Unknown"; 69 int i; 70 u16 dev_id; 71 uint8_t rev_id; 72 73 dm_pci_read_config16(dev, 2, &dev_id); 74 for (i = 0; i < ARRAY_SIZE(pch_table); i++) { 75 if (pch_table[i].dev_id == dev_id) { 76 pch_type = pch_table[i].dev_name; 77 break; 78 } 79 } 80 dm_pci_read_config8(dev, 8, &rev_id); 81 debug("PCH type: %s, device id: %x, rev id %x\n", pch_type, dev_id, 82 rev_id); 83 } 84 85 void report_platform_info(struct udevice *dev) 86 { 87 report_cpu_info(); 88 report_pch_info(dev); 89 } 90