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[karo-tx-uboot.git] / arch / x86 / cpu / ivybridge / report_platform.c
1 /*
2  * From Coreboot src/northbridge/intel/sandybridge/report_platform.c
3  *
4  * Copyright (C) 2012 Google Inc.
5  *
6  * SPDX-License-Identifier:     GPL-2.0
7  */
8
9 #include <common.h>
10 #include <asm/cpu.h>
11 #include <asm/pci.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(void)
67 {
68         const char *pch_type = "Unknown";
69         int i;
70         u16 dev_id;
71         uint8_t rev_id;
72
73         dev_id = pci_read_config16(PCH_LPC_DEV, 2);
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         rev_id = pci_read_config8(PCH_LPC_DEV, 8);
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(void)
86 {
87         report_cpu_info();
88         report_pch_info();
89 }