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acpi: Bump FADT to revision 6

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Some of the revision 4 FADT fields were already updated to ACPI
spec revision 6, but not all of them. In addition the advertised
FADT revision was 3.

Implement all fields as defined in version 6 and bump the advertised
FADT revision to 6.

Also set all used access_size fields and x_gpe0_blk to sane values
as Windows 10 verifies those fields starting with FADT revision 5.

Fixes: https://ticket.coreboot.org/issues/109

Tested on Windows 10.

Change-Id: Ic649040025cd09ed3e490a521439ca4e681afbbf
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39805
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
This commit is contained in:
Patrick Rudolph
2020-02-28 10:19:41 +01:00
committed by Matt DeVillier
parent 2255ebaa23
commit c02bda0f06
21 changed files with 138 additions and 102 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
src/soc/intel/skylake/acpi.c
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@@ -223,7 +223,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
const uint16_t pmbase = ACPI_BASE_ADDRESS;
config_t *config = config_of_soc();
/* Use ACPI 3.0 revision */
fadt->header.revision = get_acpi_table_revision(FADT);
fadt->sci_int = acpi_sci_irq();
@@ -275,7 +274,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
fadt->reset_reg.space_id = 1;
fadt->reset_reg.bit_width = 8;
fadt->reset_reg.bit_offset = 0;
fadt->reset_reg.access_size = 0;
fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
fadt->reset_reg.addrl = 0xcf9;
fadt->reset_reg.addrh = 0;
fadt->reset_value = 6;
@@ -283,7 +282,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
fadt->x_pm1a_evt_blk.space_id = 1;
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 = 0;
fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
fadt->x_pm1a_evt_blk.addrl = pmbase + PM1_STS;
fadt->x_pm1a_evt_blk.addrh = 0x0;
@@ -297,7 +296,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
fadt->x_pm1a_cnt_blk.space_id = 1;
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 = 0;
fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
fadt->x_pm1a_cnt_blk.addrl = pmbase + PM1_CNT;
fadt->x_pm1a_cnt_blk.addrh = 0x0;
@@ -311,22 +310,28 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
fadt->x_pm2_cnt_blk.space_id = 1;
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 = 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 = 1;
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 = 0;
fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR;
fadt->x_pm_tmr_blk.addrh = 0x0;
fadt->x_gpe0_blk.space_id = 0;
fadt->x_gpe0_blk.bit_width = 0;
/*
* 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 = 0;
fadt->x_gpe0_blk.addrl = 0;
fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
fadt->x_gpe0_blk.addrh = 0;
fadt->x_gpe1_blk.space_id = 1;