void soc_init_cpus(device_t dev)
{
struct bus *cpu_bus = dev->link_list;
const struct pattrs *pattrs = pattrs_get();
struct mp_params mp_params;
void *default_smm_area;
uint32_t bsmrwac;
printk(BIOS_SPEW, "%s/%s ( %s )\n",
__FILE__, __func__, dev_name(dev));
/* Set up MTRRs based on physical address size. */
x86_setup_fixed_mtrrs();
x86_setup_var_mtrrs(pattrs->address_bits, 2);
x86_mtrr_check();
mp_params.num_cpus = pattrs->num_cpus,
mp_params.parallel_microcode_load = 1,
mp_params.adjust_apic_id = adjust_apic_id;
mp_params.flight_plan = &mp_steps[0];
mp_params.num_records = ARRAY_SIZE(mp_steps);
mp_params.microcode_pointer = pattrs->microcode_patch;
default_smm_area = backup_default_smm_area();
/*
* Configure the BUNIT to allow dirty cache line evictions in non-SMM
* mode for the lines that were dirtied while in SMM mode. Otherwise
* the writes would be silently dropped.
*/
bsmrwac = iosf_bunit_read(BUNIT_SMRWAC) | SAI_IA_UNTRUSTED;
iosf_bunit_write(BUNIT_SMRWAC, bsmrwac);
/* Set package MSRs */
reg_script_run(package_msr_script);
/* Enable Turbo Mode on BSP and siblings of the BSP's building block. */
enable_turbo();
if (mp_init(cpu_bus, &mp_params))
printk(BIOS_ERR, "MP initialization failure.\n");
restore_default_smm_area(default_smm_area);
}
void smm_init_completion(void)
{
restore_default_smm_area(default_smm_area);
}