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/* SPDX-License-Identifier: GPL-2.0-only */
#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 == 8, "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(POSTCODE_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_apply_microcode_patch();
}
static struct device_operations cpu_dev_ops = {
.init = zen_2_3_init,
};
static struct cpu_device_id cpu_table[] = {
{ X86_VENDOR_AMD, MENDOCINO_A0_CPUID, CPUID_ALL_STEPPINGS_MASK },
CPU_TABLE_END
};
static const struct cpu_driver zen_2_3 __cpu_driver = {
.ops = &cpu_dev_ops,
.id_table = cpu_table,
};
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