Merge tag 'u-boot-atmel-fixes-2020.07-a' of https://gitlab.denx.de/u-boot/custodians...
[oweals/u-boot.git] / arch / x86 / cpu / intel_common / report_platform.c
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
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
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
86 void report_platform_info(struct udevice *dev)
87 {
88         report_cpu_info();
89         report_pch_info(dev);
90 }