src/soc/amd/mendocino/cpu.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <amdblocks/cpu.h>
   4 #include <amdblocks/mca.h>
   5 #include <cpu/amd/microcode.h>
   6 #include <cpu/cpu.h>
   7 #include <device/device.h>
   8 #include <soc/cpu.h>
   9
  10 _Static_assert(CONFIG_MAX_CPUS == 8, "Do not override MAX_CPUS. To reduce the number of "
  11         "available cores, use the downcore_mode and disable_smt devicetree settings instead.");
  12
  13 static void zen_2_3_init(struct device *dev)
  14 {
  15         check_mca();
  16         set_cstate_io_addr();
  17
  18         amd_apply_microcode_patch();
  19 }
  20
  21 static struct device_operations cpu_dev_ops = {
  22         .init = zen_2_3_init,
  23 };
  24
  25 static struct cpu_device_id cpu_table[] = {
  26         { X86_VENDOR_AMD, MENDOCINO_A0_CPUID, CPUID_ALL_STEPPINGS_MASK },
  27         CPU_TABLE_END
  28 };
  29
  30 static const struct cpu_driver zen_2_3 __cpu_driver = {
  31         .ops      = &cpu_dev_ops,
  32         .id_table = cpu_table,
  33 };