85556ac1dc
Change-Id: Ibb680bb8f94fb8a2812f420ac38f15684b5c0b4f Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/74978 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <acpi/acpi.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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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->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->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_SLEEP_BUTTON |
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ACPI_FADT_SEALED_CASE | ACPI_FADT_S4_RTC_WAKE |
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ACPI_FADT_PLATFORM_CLOCK;
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fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
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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_WORD_ACCESS;
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fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
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fadt->x_pm1a_evt_blk.addrh = 0x0;
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fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
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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 = fadt->pm1a_cnt_blk;
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fadt->x_pm1a_cnt_blk.addrh = 0x0;
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fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
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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 = fadt->pm2_cnt_blk;
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fadt->x_pm2_cnt_blk.addrh = 0x0;
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fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
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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 = fadt->pm_tmr_blk;
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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 = ACPI_ADDRESS_SPACE_IO;
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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 = fadt->gpe0_blk;
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fadt->x_gpe0_blk.addrh = 0x0;
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}
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