src/soc/amd/phoenix/cpu.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 /* TODO: Update for Phoenix */
   4
   5 #include <amdblocks/cpu.h>
   6 #include <amdblocks/mca.h>
   7 #include <cpu/amd/microcode.h>
   8 #include <cpu/cpu.h>
   9 #include <device/device.h>
  10 #include <soc/cpu.h>
  11
  12 _Static_assert(CONFIG_MAX_CPUS == 16, "Do not override MAX_CPUS. To reduce the number of "
  13         "available cores, use the downcore_mode and disable_smt devicetree settings instead.");
  14
  15 static void zen_2_3_init(struct device *dev)
  16 {
  17         check_mca();
  18         set_cstate_io_addr();
  19
  20         amd_apply_microcode_patch();
  21 }
  22
  23 static struct device_operations cpu_dev_ops = {
  24         .init = zen_2_3_init,
  25 };
  26
  27 static struct cpu_device_id cpu_table[] = {
  28         { X86_VENDOR_AMD, PHOENIX_A0_CPUID, CPUID_ALL_STEPPINGS_MASK },
  29         { X86_VENDOR_AMD, PHOENIX2_A0_CPUID, CPUID_ALL_STEPPINGS_MASK },
  30         CPU_TABLE_END
  31 };
  32
  33 static const struct cpu_driver zen_2_3 __cpu_driver = {
  34         .ops      = &cpu_dev_ops,
  35         .id_table = cpu_table,
  36 };