98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <acpi/acpi.h>
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#include <cpu/x86/smm.h>
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#include <soc/acpi.h>
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#include <soc/iomap.h>
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#include <soc/pm.h>
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#include "chip.h"
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void acpi_fill_fadt(acpi_fadt_t *fadt)
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{
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const uint16_t pmbase = ACPI_BASE_ADDRESS;
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fadt->sci_int = acpi_sci_irq();
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if (permanent_smi_handler()) {
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fadt->smi_cmd = APM_CNT;
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fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
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fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
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}
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fadt->pm1a_evt_blk = pmbase + PM1_STS;
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fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
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fadt->pm2_cnt_blk = pmbase + PM2A_CNT_BLK;
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fadt->pm_tmr_blk = pmbase + PM1_TMR;
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fadt->gpe0_blk = pmbase + GPE0_STS;
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fadt->pm1_evt_len = 4;
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fadt->pm1_cnt_len = 2;
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fadt->pm2_cnt_len = 1;
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fadt->pm_tmr_len = 4;
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fadt->gpe0_blk_len = 2 * (GPE0_EN - GPE0_STS);
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fadt->p_lvl2_lat = 1;
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fadt->p_lvl3_lat = 87;
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fadt->flush_size = 1024;
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fadt->flush_stride = 16;
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fadt->duty_offset = 1;
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fadt->duty_width = 0;
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fadt->day_alrm = 0xd;
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fadt->mon_alrm = 0x00;
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fadt->century = 0x00;
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fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
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fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
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ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
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ACPI_FADT_RESET_REGISTER | ACPI_FADT_SEALED_CASE |
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ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_PLATFORM_CLOCK;
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fadt->reset_reg.space_id = 1;
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fadt->reset_reg.bit_width = 8;
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fadt->reset_reg.bit_offset = 0;
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fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
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fadt->reset_reg.addrl = 0xcf9;
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fadt->reset_reg.addrh = 0;
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fadt->reset_value = 6;
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fadt->x_pm1a_evt_blk.space_id = 1;
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fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
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fadt->x_pm1a_evt_blk.bit_offset = 0;
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fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
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fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
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fadt->x_pm1a_evt_blk.addrh = 0x0;
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fadt->x_pm1a_cnt_blk.space_id = 1;
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fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
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fadt->x_pm1a_cnt_blk.bit_offset = 0;
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fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
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fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
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fadt->x_pm1a_cnt_blk.addrh = 0x0;
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fadt->x_pm2_cnt_blk.space_id = 1;
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fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
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fadt->x_pm2_cnt_blk.bit_offset = 0;
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fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
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fadt->x_pm2_cnt_blk.addrl = pmbase + PM2A_CNT_BLK;
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fadt->x_pm2_cnt_blk.addrh = 0x0;
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fadt->x_pm_tmr_blk.space_id = 1;
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fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
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fadt->x_pm_tmr_blk.bit_offset = 0;
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fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
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fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR;
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fadt->x_pm_tmr_blk.addrh = 0x0;
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/*
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* Windows 10 requires x_gpe0_blk to be set starting with FADT revision 5.
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* The bit_width field intentionally overflows here.
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* The OSPM can instead use the values in `fadt->gpe0_blk{,_len}`, which
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* seems to work fine on Linux 5.0 and Windows 10.
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*/
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fadt->x_gpe0_blk.space_id = 1;
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fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
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fadt->x_gpe0_blk.bit_offset = 0;
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fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
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fadt->x_gpe0_blk.addrl = pmbase + GPE0_STS;
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fadt->x_gpe0_blk.addrh = 0x0;
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}
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