Example #1
0
static void acpi_write_xsdt(struct acpi_xsdt *xsdt)
{
	struct acpi_table_header *header = &(xsdt->header);

	/* Fill out header fields */
	acpi_fill_header(header, "XSDT");
	header->length = sizeof(struct acpi_xsdt);
	header->revision = 1;

	/* Entries are filled in later, we come with an empty set */

	/* Fix checksum */
	header->checksum = table_compute_checksum((void *)xsdt,
			sizeof(struct acpi_xsdt));
}
Example #2
0
/* MCFG is defined in the PCI Firmware Specification 3.0 */
static void acpi_create_mcfg(struct acpi_mcfg *mcfg)
{
	struct acpi_table_header *header = &(mcfg->header);
	u32 current = (u32)mcfg + sizeof(struct acpi_mcfg);

	memset((void *)mcfg, 0, sizeof(struct acpi_mcfg));

	/* Fill out header fields */
	acpi_fill_header(header, "MCFG");
	header->length = sizeof(struct acpi_mcfg);
	header->revision = 1;

	current = acpi_fill_mcfg(current);

	/* (Re)calculate length and checksum */
	header->length = current - (u32)mcfg;
	header->checksum = table_compute_checksum((void *)mcfg, header->length);
}
Example #3
0
static void acpi_create_madt(struct acpi_madt *madt)
{
	struct acpi_table_header *header = &(madt->header);
	u32 current = (u32)madt + sizeof(struct acpi_madt);

	memset((void *)madt, 0, sizeof(struct acpi_madt));

	/* Fill out header fields */
	acpi_fill_header(header, "APIC");
	header->length = sizeof(struct acpi_madt);
	header->revision = 4;

	madt->lapic_addr = LAPIC_DEFAULT_BASE;
	madt->flags = ACPI_MADT_PCAT_COMPAT;

	current = acpi_fill_madt(current);

	/* (Re)calculate length and checksum */
	header->length = current - (u32)madt;

	header->checksum = table_compute_checksum((void *)madt, header->length);
}
Example #4
0
void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
		      void *dsdt)
{
	struct acpi_table_header *header = &(fadt->header);
	u16 pmbase = ACPI_BASE_ADDRESS;

	memset((void *)fadt, 0, sizeof(struct acpi_fadt));

	acpi_fill_header(header, "FACP");
	header->length = sizeof(struct acpi_fadt);
	header->revision = 4;

	fadt->firmware_ctrl = (u32)facs;
	fadt->dsdt = (u32)dsdt;
	fadt->preferred_pm_profile = ACPI_PM_MOBILE;
	fadt->sci_int = 9;
	fadt->smi_cmd = 0;
	fadt->acpi_enable = 0;
	fadt->acpi_disable = 0;
	fadt->s4bios_req = 0;
	fadt->pstate_cnt = 0;
	fadt->pm1a_evt_blk = pmbase;
	fadt->pm1b_evt_blk = 0x0;
	fadt->pm1a_cnt_blk = pmbase + 0x4;
	fadt->pm1b_cnt_blk = 0x0;
	fadt->pm2_cnt_blk = pmbase + 0x50;
	fadt->pm_tmr_blk = pmbase + 0x8;
	fadt->gpe0_blk = pmbase + 0x20;
	fadt->gpe1_blk = 0;
	fadt->pm1_evt_len = 4;
	fadt->pm1_cnt_len = 2;
	fadt->pm2_cnt_len = 1;
	fadt->pm_tmr_len = 4;
	fadt->gpe0_blk_len = 8;
	fadt->gpe1_blk_len = 0;
	fadt->gpe1_base = 0;
	fadt->cst_cnt = 0;
	fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED;
	fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
	fadt->flush_size = 0;
	fadt->flush_stride = 0;
	fadt->duty_offset = 1;
	fadt->duty_width = 0;
	fadt->day_alrm = 0x0d;
	fadt->mon_alrm = 0x00;
	fadt->century = 0x00;
	fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
	fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
		ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
		ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_RESET_REGISTER |
		ACPI_FADT_PLATFORM_CLOCK;

	fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO;
	fadt->reset_reg.bit_width = 8;
	fadt->reset_reg.bit_offset = 0;
	fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
	fadt->reset_reg.addrl = IO_PORT_RESET;
	fadt->reset_reg.addrh = 0;
	fadt->reset_value = SYS_RST | RST_CPU;

	fadt->x_firmware_ctl_l = (u32)facs;
	fadt->x_firmware_ctl_h = 0;
	fadt->x_dsdt_l = (u32)dsdt;
	fadt->x_dsdt_h = 0;

	fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
	fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
	fadt->x_pm1a_evt_blk.bit_offset = 0;
	fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
	fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
	fadt->x_pm1a_evt_blk.addrh = 0x0;

	fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
	fadt->x_pm1b_evt_blk.bit_width = 0;
	fadt->x_pm1b_evt_blk.bit_offset = 0;
	fadt->x_pm1b_evt_blk.access_size = 0;
	fadt->x_pm1b_evt_blk.addrl = 0x0;
	fadt->x_pm1b_evt_blk.addrh = 0x0;

	fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
	fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
	fadt->x_pm1a_cnt_blk.bit_offset = 0;
	fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
	fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
	fadt->x_pm1a_cnt_blk.addrh = 0x0;

	fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
	fadt->x_pm1b_cnt_blk.bit_width = 0;
	fadt->x_pm1b_cnt_blk.bit_offset = 0;
	fadt->x_pm1b_cnt_blk.access_size = 0;
	fadt->x_pm1b_cnt_blk.addrl = 0x0;
	fadt->x_pm1b_cnt_blk.addrh = 0x0;

	fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
	fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
	fadt->x_pm2_cnt_blk.bit_offset = 0;
	fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
	fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk;
	fadt->x_pm2_cnt_blk.addrh = 0x0;

	fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
	fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
	fadt->x_pm_tmr_blk.bit_offset = 0;
	fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
	fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
	fadt->x_pm_tmr_blk.addrh = 0x0;

	fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
	fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
	fadt->x_gpe0_blk.bit_offset = 0;
	fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
	fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
	fadt->x_gpe0_blk.addrh = 0x0;

	fadt->x_gpe1_blk.space_id = ACPI_ADDRESS_SPACE_IO;
	fadt->x_gpe1_blk.bit_width = 0;
	fadt->x_gpe1_blk.bit_offset = 0;
	fadt->x_gpe1_blk.access_size = 0;
	fadt->x_gpe1_blk.addrl = 0x0;
	fadt->x_gpe1_blk.addrh = 0x0;

	header->checksum = table_compute_checksum(fadt, header->length);
}
Example #5
0
static void acpi_create_spcr(struct acpi_spcr *spcr)
{
	struct acpi_table_header *header = &(spcr->header);
	struct serial_device_info serial_info = {0};
	ulong serial_address, serial_offset;
	uint serial_config;
	uint serial_width;
	int access_size;
	int space_id;
	int ret;

	/* Fill out header fields */
	acpi_fill_header(header, "SPCR");
	header->length = sizeof(struct acpi_spcr);
	header->revision = 2;

	ret = serial_getinfo(&serial_info);
	if (ret)
		serial_info.type = SERIAL_CHIP_UNKNOWN;

	/* Encode chip type */
	switch (serial_info.type) {
	case SERIAL_CHIP_16550_COMPATIBLE:
		spcr->interface_type = ACPI_DBG2_16550_COMPATIBLE;
		break;
	case SERIAL_CHIP_UNKNOWN:
	default:
		spcr->interface_type = ACPI_DBG2_UNKNOWN;
		break;
	}

	/* Encode address space */
	switch (serial_info.addr_space) {
	case SERIAL_ADDRESS_SPACE_MEMORY:
		space_id = ACPI_ADDRESS_SPACE_MEMORY;
		break;
	case SERIAL_ADDRESS_SPACE_IO:
	default:
		space_id = ACPI_ADDRESS_SPACE_IO;
		break;
	}

	serial_width = serial_info.reg_width * 8;
	serial_offset = serial_info.reg_offset << serial_info.reg_shift;
	serial_address = serial_info.addr + serial_offset;

	/* Encode register access size */
	switch (serial_info.reg_shift) {
	case 0:
		access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
		break;
	case 1:
		access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
		break;
	case 2:
		access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
		break;
	case 3:
		access_size = ACPI_ACCESS_SIZE_QWORD_ACCESS;
		break;
	default:
		access_size = ACPI_ACCESS_SIZE_UNDEFINED;
		break;
	}

	debug("UART type %u @ %lx\n", spcr->interface_type, serial_address);

	/* Fill GAS */
	spcr->serial_port.space_id = space_id;
	spcr->serial_port.bit_width = serial_width;
	spcr->serial_port.bit_offset = 0;
	spcr->serial_port.access_size = access_size;
	spcr->serial_port.addrl = lower_32_bits(serial_address);
	spcr->serial_port.addrh = upper_32_bits(serial_address);

	/* Encode baud rate */
	switch (serial_info.baudrate) {
	case 9600:
		spcr->baud_rate = 3;
		break;
	case 19200:
		spcr->baud_rate = 4;
		break;
	case 57600:
		spcr->baud_rate = 6;
		break;
	case 115200:
		spcr->baud_rate = 7;
		break;
	default:
		spcr->baud_rate = 0;
		break;
	}

	ret = serial_getconfig(&serial_config);
	if (ret)
		serial_config = SERIAL_DEFAULT_CONFIG;

	spcr->parity = SERIAL_GET_PARITY(serial_config);
	spcr->stop_bits = SERIAL_GET_STOP(serial_config);

	/* No PCI devices for now */
	spcr->pci_device_id = 0xffff;
	spcr->pci_vendor_id = 0xffff;

	/* Fix checksum */
	header->checksum = table_compute_checksum((void *)spcr, header->length);
}