| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| /* TODO: Update for Phoenix */ |
| |
| #include <acpi/acpi.h> |
| #include <amdblocks/cpu.h> |
| #include <amdblocks/iomap.h> |
| #include <amdblocks/mca.h> |
| #include <console/console.h> |
| #include <cpu/amd/microcode.h> |
| #include <cpu/cpu.h> |
| #include <cpu/x86/mp.h> |
| #include <cpu/x86/mtrr.h> |
| #include <acpi/acpi.h> |
| #include <device/device.h> |
| #include <soc/cpu.h> |
| #include <soc/iomap.h> |
| |
| _Static_assert(CONFIG_MAX_CPUS == 16, "Do not override MAX_CPUS. To reduce the number of " |
| "available cores, use the downcore_mode and disable_smt devicetree settings instead."); |
| |
| /* MP and SMM loading initialization */ |
| |
| void mp_init_cpus(struct bus *cpu_bus) |
| { |
| extern const struct mp_ops amd_mp_ops_with_smm; |
| if (mp_init_with_smm(cpu_bus, &amd_mp_ops_with_smm) != CB_SUCCESS) |
| die_with_post_code(POST_HW_INIT_FAILURE, |
| "mp_init_with_smm failed. Halting.\n"); |
| |
| /* pre_mp_init made the flash not cacheable. Reset to WP for performance. */ |
| mtrr_use_temp_range(FLASH_BELOW_4GB_MAPPING_REGION_BASE, |
| FLASH_BELOW_4GB_MAPPING_REGION_SIZE, MTRR_TYPE_WRPROT); |
| |
| /* SMMINFO only needs to be set up when booting from S5 */ |
| if (!acpi_is_wakeup_s3()) |
| apm_control(APM_CNT_SMMINFO); |
| } |
| |
| static void zen_2_3_init(struct device *dev) |
| { |
| check_mca(); |
| set_cstate_io_addr(); |
| |
| amd_update_microcode_from_cbfs(); |
| } |
| |
| static struct device_operations cpu_dev_ops = { |
| .init = zen_2_3_init, |
| }; |
| |
| static struct cpu_device_id cpu_table[] = { |
| /* TODO: Add Phoenix CPUID */ |
| { X86_VENDOR_AMD, PHOENIX2_A0_CPUID, CPUID_EXACT_MATCH_MASK }, |
| { 0, 0, 0 }, |
| }; |
| |
| static const struct cpu_driver zen_2_3 __cpu_driver = { |
| .ops = &cpu_dev_ops, |
| .id_table = cpu_table, |
| }; |