src/cpu/intel/model_68x/model_68x_init.c

   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
  11 static void model_68x_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_68x_init,
  32 };
  33
  34 /*
  35  * Intel Celeron Processor Identification Information
  36  * http://www.intel.com/design/celeron/qit/update.pdf
  37  *
  38  * Intel Pentium III Processor Identification and Package Information
  39  * http://www.intel.com/design/pentiumiii/qit/update.pdf
  40  *
  41  * Intel Pentium III Processor Specification Update
  42  * http://download.intel.com/design/intarch/specupdt/24445358.pdf
  43  *
  44  * Mobile Intel Pentium III/III-M Processor Specification Update
  45  * http://download.intel.com/design/intarch/specupdt/24530663.pdf
  46  */
  47 static const struct cpu_device_id cpu_table[] = {
  48         { X86_VENDOR_INTEL, 0x0680, CPUID_EXACT_MATCH_MASK },
  49         /* PIII, cA2/cA2c/A2/BA2/PA2/MA2 */
  50         { X86_VENDOR_INTEL, 0x0681, CPUID_EXACT_MATCH_MASK },
  51         /* PIII/Celeron, cB0/cB0c/B0/BB0/PB0/MB0*/
  52         { X86_VENDOR_INTEL, 0x0683, CPUID_EXACT_MATCH_MASK },
  53         /* PIII/Celeron, cC0/C0/BC0/PC0/MC0 */
  54         { X86_VENDOR_INTEL, 0x0686, CPUID_EXACT_MATCH_MASK },
  55         /* PIII/Celeron, cD0/D0/BD0/PD0 */
  56         { X86_VENDOR_INTEL, 0x068a, CPUID_EXACT_MATCH_MASK },
  57         CPU_TABLE_END
  58 };
  59
  60 static const struct cpu_driver driver __cpu_driver = {
  61         .ops      = &cpu_dev_ops,
  62         .id_table = cpu_table,
  63 };