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review.coreboot.org / coreboot / 40cb3fe94dacfba0b146aae2be9c03c0a0ddb691 / . / src / soc / intel / baytrail / fadt.c
blob: e4e225e42e36bc5694161af29cbb8839c3b94e53 [file] [log] [blame]
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0-only */
2
3#include <acpi/acpi.h>
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]4#include <soc/iomap.h>
5#include <soc/pm.h>
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]6
7void acpi_fill_fadt(acpi_fadt_t *fadt)
8{
9 const uint16_t pmbase = ACPI_BASE_ADDRESS;
10
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]11
12 fadt->pm1a_evt_blk = pmbase + PM1_STS;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]13 fadt->pm1a_cnt_blk = pmbase + PM1_CNT;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]14 fadt->pm2_cnt_blk = pmbase + PM2A_CNT_BLK;
15 fadt->pm_tmr_blk = pmbase + PM1_TMR;
16 fadt->gpe0_blk = pmbase + GPE0_STS;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]17
18 fadt->pm1_evt_len = 4;
19 fadt->pm1_cnt_len = 2;
20 fadt->pm2_cnt_len = 1;
21 fadt->pm_tmr_len = 4;
22 fadt->gpe0_blk_len = 2 * (GPE0_EN - GPE0_STS);
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]23 fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
24
Angel Ponsa208c6c2020-07-13 00:02:34 +0200[diff] [blame]25 fadt->flags |= ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
Michael Niewöhner2353cd92021-10-04 16:59:49 +0200[diff] [blame]26 ACPI_FADT_SLEEP_BUTTON |
Angel Pons79572e42020-07-13 00:17:43 +0200[diff] [blame]27 ACPI_FADT_SEALED_CASE | ACPI_FADT_S4_RTC_WAKE |
28 ACPI_FADT_PLATFORM_CLOCK;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]29
Elyes HAOUAS04071f42020-07-20 17:05:24 +0200[diff] [blame]30 fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]31 fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
32 fadt->x_pm1a_evt_blk.bit_offset = 0;
Angel Pons12a4d052020-07-14 01:31:27 +0200[diff] [blame]33 fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
Felix Held769b6572022-10-14 18:32:52 +0200[diff] [blame]34 fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]35 fadt->x_pm1a_evt_blk.addrh = 0x0;
36
Elyes HAOUAS04071f42020-07-20 17:05:24 +0200[diff] [blame]37 fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]38 fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
39 fadt->x_pm1a_cnt_blk.bit_offset = 0;
40 fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
Elyes Haouasc60f3b22022-10-11 14:02:27 +0200[diff] [blame]41 fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]42 fadt->x_pm1a_cnt_blk.addrh = 0x0;
43
Elyes HAOUAS04071f42020-07-20 17:05:24 +0200[diff] [blame]44 fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]45 fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
46 fadt->x_pm2_cnt_blk.bit_offset = 0;
47 fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
Felix Held96fa2372022-10-14 18:41:03 +0200[diff] [blame]48 fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]49 fadt->x_pm2_cnt_blk.addrh = 0x0;
50
Elyes HAOUAS04071f42020-07-20 17:05:24 +0200[diff] [blame]51 fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]52 fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
53 fadt->x_pm_tmr_blk.bit_offset = 0;
54 fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
Elyes Haouas987f1f42022-10-11 13:56:30 +0200[diff] [blame]55 fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]56 fadt->x_pm_tmr_blk.addrh = 0x0;
57
58 /*
59 * Windows 10 requires x_gpe0_blk to be set starting with FADT revision 5.
60 * The bit_width field intentionally overflows here.
61 * The OSPM can instead use the values in `fadt->gpe0_blk{,_len}`, which
62 * seems to work fine on Linux 5.0 and Windows 10.
63 */
Elyes HAOUAS04071f42020-07-20 17:05:24 +0200[diff] [blame]64 fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]65 fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
66 fadt->x_gpe0_blk.bit_offset = 0;
67 fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
Elyes Haouasc929f092022-10-11 13:40:51 +0200[diff] [blame]68 fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]69 fadt->x_gpe0_blk.addrh = 0x0;
Angel Pons91ca2dd2020-07-12 14:24:48 +0200[diff] [blame]70}