src/cpu/intel/model_67x/model_67x_init.c

   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 #include <cpu/intel/l2_cache.h>
   9
  10 static void model_67x_init(struct device *cpu)
  11 {
  12         /* Update the microcode */
  13         intel_update_microcode_from_cbfs();
  14
  15         /* Initialize L2 cache */
  16         p6_configure_l2_cache();
  17
  18         /* Turn on caching if we haven't already */
  19         enable_cache();
  20
  21         /* Setup MTRRs */
  22         x86_setup_mtrrs();
  23         x86_mtrr_check();
  24 }
  25
  26 static struct device_operations cpu_dev_ops = {
  27         .init     = model_67x_init,
  28 };
  29
  30 /*
  31  * Intel Pentium III Processor Identification and Package Information
  32  * http://www.intel.com/design/pentiumiii/qit/update.pdf
  33  *
  34  * Intel Pentium III Processor Specification Update
  35  * http://download.intel.com/design/intarch/specupdt/24445358.pdf
  36  */
  37 static const struct cpu_device_id cpu_table[] = {
  38         { X86_VENDOR_INTEL, 0x0671, CPUID_EXACT_MATCH_MASK },
  39         { X86_VENDOR_INTEL, 0x0672, CPUID_EXACT_MATCH_MASK }, /* PIII, kB0 */
  40         { X86_VENDOR_INTEL, 0x0673, CPUID_EXACT_MATCH_MASK }, /* PIII, kC0 */
  41         CPU_TABLE_END
  42 };
  43
  44 static const struct cpu_driver driver __cpu_driver = {
  45         .ops      = &cpu_dev_ops,
  46         .id_table = cpu_table,
  47 };