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
report_cpu_info(void)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
report_pch_info(struct udevice * dev)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
report_platform_info(struct udevice * dev)85 void report_platform_info(struct udevice *dev)
86 {
87 report_cpu_info();
88 report_pch_info(dev);
89 }
90