xref: /aosp_15_r20/external/coreboot/src/cpu/intel/model_6xx/model_6xx_init.c (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #include <device/device.h>
4 #include <cpu/cpu.h>
5 #include <cpu/x86/mtrr.h>
6 #include <cpu/intel/microcode.h>
7 #include <cpu/x86/cache.h>
8 
model_6xx_init(struct device * dev)9 static void model_6xx_init(struct device *dev)
10 {
11 	/* Turn on caching if we haven't already */
12 	enable_cache();
13 	x86_setup_mtrrs();
14 	x86_mtrr_check();
15 
16 	/* Update the microcode */
17 	intel_update_microcode_from_cbfs();
18 };
19 
20 static struct device_operations cpu_dev_ops = {
21 	.init     = model_6xx_init,
22 };
23 
24 /*
25  * Intel Pentium Pro Processor Specification Update
26  * http://download.intel.com/design/archives/processors/pro/docs/24268935.pdf
27  *
28  * Intel Pentium II Processor Specification Update
29  * http://download.intel.com/design/PentiumII/specupdt/24333749.pdf
30  *
31  * Mobile Intel Pentium II Processor Specification Update
32  * http://download.intel.com/design/intarch/specupdt/24388757.pdf
33  *
34  * Intel Celeron Processor Identification Information
35  * http://www.intel.com/design/celeron/qit/update.pdf
36  *
37  * Intel Pentium II Xeon Processor Specification Update
38  * http://download.intel.com/support/processors/pentiumii/xeon/24377632.pdf
39  *
40  * Intel Pentium III Processor Identification and Package Information
41  * http://www.intel.com/design/pentiumiii/qit/update.pdf
42  *
43  * Intel Pentium III Processor Specification Update
44  * http://download.intel.com/design/intarch/specupdt/24445358.pdf
45  *
46  * Mobile Intel Pentium III/III-M Processor Specification Update
47  * http://download.intel.com/design/intarch/specupdt/24530663.pdf
48  */
49 static const struct cpu_device_id cpu_table[] = {
50 	{ X86_VENDOR_INTEL, 0x0611, CPUID_EXACT_MATCH_MASK }, /* Pentium Pro, B0 */
51 	{ X86_VENDOR_INTEL, 0x0612, CPUID_EXACT_MATCH_MASK }, /* Pentium Pro, C0 */
52 	{ X86_VENDOR_INTEL, 0x0616, CPUID_EXACT_MATCH_MASK }, /* Pentium Pro, sA0 */
53 	{ X86_VENDOR_INTEL, 0x0617, CPUID_EXACT_MATCH_MASK }, /* Pentium Pro, sA1 */
54 	{ X86_VENDOR_INTEL, 0x0619, CPUID_EXACT_MATCH_MASK }, /* Pentium Pro, sB1 */
55 
56 	{ X86_VENDOR_INTEL, 0x0633, CPUID_EXACT_MATCH_MASK }, /* PII, C0 */
57 	{ X86_VENDOR_INTEL, 0x0634, CPUID_EXACT_MATCH_MASK }, /* PII, C1 */
58 
59 	{ X86_VENDOR_INTEL, 0x0660, CPUID_EXACT_MATCH_MASK }, /* Celeron, A0 */
60 	{ X86_VENDOR_INTEL, 0x0665, CPUID_EXACT_MATCH_MASK }, /* Celeron, B0 */
61 	{ X86_VENDOR_INTEL, 0x066a, CPUID_EXACT_MATCH_MASK }, /* PII, mdxA0/dmmA0 + others */
62 
63 	{ X86_VENDOR_INTEL, 0x0680, CPUID_EXACT_MATCH_MASK },
64 	/* PIII, cA2/cA2c/A2/BA2/PA2/MA2 */
65 	{ X86_VENDOR_INTEL, 0x0681, CPUID_EXACT_MATCH_MASK },
66 	/* PIII/Celeron, cB0/cB0c/B0/BB0/PB0/MB0*/
67 	{ X86_VENDOR_INTEL, 0x0683, CPUID_EXACT_MATCH_MASK },
68 	/* PIII/Celeron, cC0/C0/BC0/PC0/MC0 */
69 	{ X86_VENDOR_INTEL, 0x0686, CPUID_EXACT_MATCH_MASK },
70 	/* PIII/Celeron, cD0/D0/BD0/PD0 */
71 	{ X86_VENDOR_INTEL, 0x068a, CPUID_EXACT_MATCH_MASK },
72 
73 	{ X86_VENDOR_INTEL, 0x06a0, CPUID_EXACT_MATCH_MASK }, /* PIII, A0 */
74 	{ X86_VENDOR_INTEL, 0x06a1, CPUID_EXACT_MATCH_MASK }, /* PIII, A1 */
75 	{ X86_VENDOR_INTEL, 0x06a4, CPUID_EXACT_MATCH_MASK }, /* PIII, B0 */
76 	CPU_TABLE_END
77 };
78 
79 static const struct cpu_driver driver __cpu_driver = {
80 	.ops      = &cpu_dev_ops,
81 	.id_table = cpu_table,
82 };
83