src/cpu/intel/model_65x/model_65x_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_65x_init(struct device *dev)
  11 {
  12         /* Update the microcode */
  13         intel_update_microcode_from_cbfs();
  14         /* Initialize L2 cache */
  15         p6_configure_l2_cache();
  16
  17         /* Turn on caching if we haven't already */
  18         enable_cache();
  19         x86_setup_mtrrs();
  20         x86_mtrr_check();
  21 };
  22
  23 static struct device_operations cpu_dev_ops = {
  24         .init     = model_65x_init,
  25 };
  26
  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 Pentium II Xeon Processor Specification Update
  35  * http://download.intel.com/support/processors/pentiumii/xeon/24377632.pdf
  36  */
  37 static const struct cpu_device_id cpu_table[] = {
  38         { X86_VENDOR_INTEL, 0x0650, CPUID_EXACT_MATCH_MASK }, /* PII/Celeron, dA0/mdA0/A0 */
  39         { X86_VENDOR_INTEL, 0x0651, CPUID_EXACT_MATCH_MASK }, /* PII/Celeron, dA1/A1 */
  40         /* PII/Celeron/Xeon, dB0/mdB0/B0 */
  41         { X86_VENDOR_INTEL, 0x0652, CPUID_EXACT_MATCH_MASK },
  42         { X86_VENDOR_INTEL, 0x0653, CPUID_EXACT_MATCH_MASK }, /* PII/Xeon, dB1/B1 */
  43         CPU_TABLE_END
  44 };
  45
  46 static const struct cpu_driver driver __cpu_driver = {
  47         .ops      = &cpu_dev_ops,
  48         .id_table = cpu_table,
  49 };