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 <log.h>
10 #include <asm/cpu.h>
11 #include <asm/pci.h>
12 #include <asm/report_platform.h>
13 #include <asm/arch/pch.h>
14
report_cpu_info(void)15 static void report_cpu_info(void)
16 {
17 char cpu_string[CPU_MAX_NAME_LEN], *cpu_name;
18 const char *mode[] = {"NOT ", ""};
19 struct cpuid_result cpuidr;
20 int vt, txt, aes;
21 u32 index;
22
23 index = 0x80000000;
24 cpuidr = cpuid(index);
25 if (cpuidr.eax < 0x80000004) {
26 strcpy(cpu_string, "Platform info not available");
27 cpu_name = cpu_string;
28 } else {
29 cpu_name = cpu_get_name(cpu_string);
30 }
31
32 cpuidr = cpuid(1);
33 debug("CPU id(%x): %s\n", cpuidr.eax, cpu_name);
34 aes = (cpuidr.ecx & (1 << 25)) ? 1 : 0;
35 txt = (cpuidr.ecx & (1 << 6)) ? 1 : 0;
36 vt = (cpuidr.ecx & (1 << 5)) ? 1 : 0;
37 debug("AES %ssupported, TXT %ssupported, VT %ssupported\n",
38 mode[aes], mode[txt], mode[vt]);
39 }
40
41 /* The PCI id name match comes from Intel document 472178 */
42 static struct {
43 u16 dev_id;
44 const char *dev_name;
45 } pch_table[] = {
46 {0x1E41, "Desktop Sample"},
47 {0x1E42, "Mobile Sample"},
48 {0x1E43, "SFF Sample"},
49 {0x1E44, "Z77"},
50 {0x1E45, "H71"},
51 {0x1E46, "Z75"},
52 {0x1E47, "Q77"},
53 {0x1E48, "Q75"},
54 {0x1E49, "B75"},
55 {0x1E4A, "H77"},
56 {0x1E53, "C216"},
57 {0x1E55, "QM77"},
58 {0x1E56, "QS77"},
59 {0x1E58, "UM77"},
60 {0x1E57, "HM77"},
61 {0x1E59, "HM76"},
62 {0x1E5D, "HM75"},
63 {0x1E5E, "HM70"},
64 {0x1E5F, "NM70"},
65 };
66
report_pch_info(struct udevice * dev)67 static void report_pch_info(struct udevice *dev)
68 {
69 const char *pch_type = "Unknown";
70 int i;
71 u16 dev_id;
72 uint8_t rev_id;
73
74 dm_pci_read_config16(dev, 2, &dev_id);
75 for (i = 0; i < ARRAY_SIZE(pch_table); i++) {
76 if (pch_table[i].dev_id == dev_id) {
77 pch_type = pch_table[i].dev_name;
78 break;
79 }
80 }
81 dm_pci_read_config8(dev, 8, &rev_id);
82 debug("PCH type: %s, device id: %x, rev id %x\n", pch_type, dev_id,
83 rev_id);
84 }
85
report_platform_info(struct udevice * dev)86 void report_platform_info(struct udevice *dev)
87 {
88 report_cpu_info();
89 report_pch_info(dev);
90 }
91