/* SPDX-License-Identifier: GPL-2.0-only */ /* * ACPI - create the Fixed ACPI Description Tables (FADT) */ #include <console/console.h> #include <acpi/acpi.h> #include <acpi/acpigen.h> #include <device/pci_ops.h> #include <arch/ioapic.h> #include <arch/smp/mpspec.h> #include <device/device.h> #include <device/pci.h> #include <gpio.h> #include <amdblocks/acpimmio.h> #include <amdblocks/acpi.h> #include <amdblocks/cpu.h> #include <amdblocks/ioapic.h> #include <soc/acpi.h> #include <soc/pci_devs.h> #include <soc/southbridge.h> #include <soc/northbridge.h> /* * Reference section 5.2.9 Fixed ACPI Description Table (FADT) * in the ACPI 3.0b specification. */ void acpi_fill_fadt(acpi_fadt_t *fadt) { printk(BIOS_DEBUG, "pm_base: 0x%04x\n", ACPI_IO_BASE); fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK; fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK; fadt->pm_tmr_blk = ACPI_PM_TMR_BLK; fadt->gpe0_blk = ACPI_GPE0_BLK; fadt->pm1_evt_len = 4; /* 32 bits */ fadt->pm1_cnt_len = 2; /* 16 bits */ fadt->pm_tmr_len = 4; /* 32 bits */ fadt->gpe0_blk_len = 8; /* 64 bits */ fill_fadt_extended_pm_io(fadt); fadt->duty_offset = 1; /* CLK_VAL bits 3:1 */ fadt->duty_width = 3; /* CLK_VAL bits 3:1 */ fadt->iapc_boot_arch = FADT_BOOT_ARCH; /* See table 5-10 */ fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-10 ACPI 3.0a spec */ ACPI_FADT_C1_SUPPORTED | ACPI_FADT_SLEEP_BUTTON | ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_32BIT_TIMER | ACPI_FADT_PCI_EXPRESS_WAKE | ACPI_FADT_PLATFORM_CLOCK | ACPI_FADT_S4_RTC_VALID | ACPI_FADT_REMOTE_POWER_ON; } const acpi_cstate_t cstate_cfg_table[] = { [0] = { .ctype = 1, .latency = 1, .power = 0, }, [1] = { .ctype = 2, .latency = 400, .power = 0, }, }; const acpi_cstate_t *get_cstate_config_data(size_t *size) { *size = ARRAY_SIZE(cstate_cfg_table); return cstate_cfg_table; }