1 /* SPDX-License-Identifier: GPL-2.0-only */
2
3 #include <console/console.h>
4 #include <device/device.h>
5 #include <cpu/cpu.h>
6 #include <cpu/x86/mtrr.h>
7 #include <cpu/intel/microcode.h>
8 #include <cpu/x86/cache.h>
9 #include <cpu/x86/name.h>
10
model_6bx_init(struct device * cpu)11 static void model_6bx_init(struct device *cpu)
12 {
13 char processor_name[49];
14
15 /* Turn on caching if we haven't already */
16 enable_cache();
17
18 /* Update the microcode */
19 intel_update_microcode_from_cbfs();
20
21 /* Print processor name */
22 fill_processor_name(processor_name);
23 printk(BIOS_INFO, "CPU: %s.\n", processor_name);
24
25 /* Setup MTRRs */
26 x86_setup_mtrrs();
27 x86_mtrr_check();
28 }
29
30 static struct device_operations cpu_dev_ops = {
31 .init = model_6bx_init,
32 };
33
34 /*
35 * Pentium III Processor Identification and Package Information.
36 * http://www.intel.com/design/pentiumiii/qit/update.pdf
37 *
38 * Intel Pentium III Processor Specification Update
39 * http://download.intel.com/design/intarch/specupdt/24445358.pdf
40 */
41 static const struct cpu_device_id cpu_table[] = {
42 /* Pentium III/Celeron, tA1/A1/FPA1 */
43 { X86_VENDOR_INTEL, 0x06b1, CPUID_EXACT_MATCH_MASK },
44 { X86_VENDOR_INTEL, 0x06b4, CPUID_EXACT_MATCH_MASK }, /* Pentium III, tB1/FPB1 */
45 CPU_TABLE_END
46 };
47
48 static const struct cpu_driver driver __cpu_driver = {
49 .ops = &cpu_dev_ops,
50 .id_table = cpu_table,
51 };
52