| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <acpi/acpi.h> |
| #include <cpu/x86/smm.h> |
| #include <soc/iomap.h> |
| #include <soc/pm.h> |
| #include "chip.h" |
| |
| void acpi_fill_fadt(acpi_fadt_t *fadt) |
| { |
| const uint16_t pmbase = ACPI_BASE_ADDRESS; |
| |
| fadt->sci_int = 9; |
| |
| if (permanent_smi_handler()) { |
| fadt->smi_cmd = APM_CNT; |
| fadt->acpi_enable = APM_CNT_ACPI_ENABLE; |
| fadt->acpi_disable = APM_CNT_ACPI_DISABLE; |
| } |
| |
| fadt->pm1a_evt_blk = pmbase + PM1_STS; |
| fadt->pm1a_cnt_blk = pmbase + PM1_CNT; |
| fadt->pm2_cnt_blk = pmbase + PM2_CNT; |
| fadt->pm_tmr_blk = pmbase + PM1_TMR; |
| fadt->gpe0_blk = pmbase + GPE0_STS(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 = 32; |
| fadt->day_alrm = 0xd; |
| fadt->mon_alrm = 0x00; |
| fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042; |
| |
| fadt->flags |= ACPI_FADT_WBINVD | |
| ACPI_FADT_C1_SUPPORTED | |
| ACPI_FADT_SLEEP_BUTTON | |
| ACPI_FADT_SEALED_CASE | |
| ACPI_FADT_S4_RTC_WAKE | |
| ACPI_FADT_PLATFORM_CLOCK; |
| |
| 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_WORD_ACCESS; |
| fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk; |
| fadt->x_pm1a_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_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 = pmbase + PM2_CNT; |
| 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; |
| |
| /* |
| * Windows 10 requires x_gpe0_blk to be set starting with FADT revision 5. |
| * The bit_width field intentionally overflows here. |
| * The OSPM can instead use the values in `fadt->gpe0_blk{,_len}`, which |
| * seems to work fine on Linux 5.0 and Windows 10. |
| */ |
| 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_BYTE_ACCESS; |
| fadt->x_gpe0_blk.addrl = fadt->gpe0_blk; |
| fadt->x_gpe0_blk.addrh = 0x0; |
| } |