| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| /* ACPI - create the Fixed ACPI Description Tables (FADT) */ |
| |
| #include <acpi/acpi.h> |
| #include <amdblocks/acpi.h> |
| #include <amdblocks/acpimmio.h> |
| #include <amdblocks/cpu.h> |
| #include <amdblocks/data_fabric.h> |
| #include <arch/ioapic.h> |
| #include <console/console.h> |
| #include <vendorcode/amd/opensil/genoa_poc/opensil.h> |
| |
| /* TODO: this can go in a common place */ |
| unsigned long acpi_fill_madt(unsigned long current) |
| { |
| struct device *dev = NULL; |
| while ((dev = dev_find_path(dev, DEVICE_PATH_DOMAIN)) != NULL) { |
| struct resource *res = probe_resource(dev, IOMMU_IOAPIC_IDX); |
| if (!res) |
| continue; |
| |
| current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current, |
| res->base); |
| } |
| |
| return current; |
| } |
| |
| void acpi_fill_fadt(acpi_fadt_t *fadt) |
| { |
| /* Fill in pm1_evt, pm1_cnt, pm_tmr, gpe0_blk from openSIL input structure */ |
| opensil_fill_fadt_io_ports(fadt); |
| |
| 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_regs(fadt); |
| |
| fadt->iapc_boot_arch = ACPI_FADT_LEGACY_FREE; /* legacy free default */ |
| fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-34 ACPI 6.3 spec */ |
| ACPI_FADT_C1_SUPPORTED | |
| 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; |
| |
| fadt->x_firmware_ctl_l = 0; /* set to 0 if firmware_ctrl is used */ |
| fadt->x_firmware_ctl_h = 0; |
| } |
| |
| /* There are only the following 2 C-states reported by the reference firmware */ |
| const acpi_cstate_t cstate_cfg_table[] = { |
| [0] = { |
| .ctype = 1, |
| .latency = 1, |
| .power = 0, |
| }, |
| [1] = { |
| .ctype = 2, |
| .latency = 0x12, |
| .power = 0, |
| }, |
| }; |
| |
| const acpi_cstate_t *get_cstate_config_data(size_t *size) |
| { |
| *size = ARRAY_SIZE(cstate_cfg_table); |
| return cstate_cfg_table; |
| } |