Ejemplo n.º 1
0
Archivo: acpi.c Proyecto: 0ida/coreboot
void generate_cpu_entries(void)
{
	int len_pr, core;
	int pcontrol_blk = get_pmbase(), plen = 6;
	const struct pattrs *pattrs = pattrs_get();

	for (core=0; core<pattrs->num_cpus; core++) {
		if (core > 0) {
			pcontrol_blk = 0;
			plen = 0;
		}

		/* Generate processor \_PR.CPUx */
		len_pr = acpigen_write_processor(
			core, pcontrol_blk, plen);

		/* Generate  P-state tables */
		len_pr += generate_P_state_entries(
			core, pattrs->num_cpus);

		/* Generate C-state tables */
		len_pr += acpigen_write_CST_package(
			cstate_map, ARRAY_SIZE(cstate_map));

		/* Generate T-state tables */
		len_pr += generate_T_state_entries(
			core, pattrs->num_cpus);

		len_pr--;
		acpigen_patch_len(len_pr);
	}
}
Ejemplo n.º 2
0
void generate_cpu_entries(struct device *device)
{
	int cores, cpu;

	/* Stoney Ridge is single node, just report # of cores */
	cores = pci_read_config32(SOC_NB_DEV, NB_CAPABILITIES2) & CMP_CAP_MASK;
	cores++; /* number of cores is CmpCap+1 */

	printk(BIOS_DEBUG, "ACPI \\_PR report %d core(s)\n", cores);

	/* Generate BSP \_PR.P000 */
	acpigen_write_processor(0, ACPI_GPE0_BLK, 6);
	acpigen_pop_len();

	/* Generate AP \_PR.Pxxx */
	for (cpu = 1; cpu < cores; cpu++) {
		acpigen_write_processor(cpu, 0, 0);
		acpigen_pop_len();
	}
}
Ejemplo n.º 3
0
void generate_cpu_entries(device_t device)
{
	int cpu, pcontrol_blk=DEFAULT_PMBASE+PCNTRL, plen=6;
	int numcpus = determine_total_number_of_cores();
	printk(BIOS_DEBUG, "Found %d CPU(s).\n", numcpus);

	/* without the outer scope, furhter ssdt addition will end up
	 * within the processor statement */
	acpigen_write_scope("\\_PR");
	for (cpu=0; cpu < numcpus; cpu++) {
		acpigen_write_processor(cpu, pcontrol_blk, plen);
		acpigen_pop_len();
	}
	acpigen_pop_len();
}