diff options
Diffstat (limited to 'src/soc/intel/common/block/acpi/acpi.c')
| -rw-r--r-- | src/soc/intel/common/block/acpi/acpi.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/soc/intel/common/block/acpi/acpi.c b/src/soc/intel/common/block/acpi/acpi.c index b848db446f..fe127a27e7 100644 --- a/src/soc/intel/common/block/acpi/acpi.c +++ b/src/soc/intel/common/block/acpi/acpi.c @@ -110,7 +110,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt) { const uint16_t pmbase = ACPI_BASE_ADDRESS; - /* Use ACPI 3.0 revision. */ fadt->header.revision = get_acpi_table_revision(FADT); fadt->sci_int = acpi_sci_irq(); @@ -146,20 +145,37 @@ void acpi_fill_fadt(acpi_fadt_t *fadt) fadt->reset_reg.space_id = 1; fadt->reset_reg.bit_width = 8; fadt->reset_reg.addrl = RST_CNT; + fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; fadt->reset_value = RST_CPU | SYS_RST; 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.addrl = pmbase + PM1_STS; + fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; + fadt->x_pm1b_evt_blk.space_id = 1; 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.addrl = pmbase + PM1_CNT; + fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS; fadt->x_pm1b_cnt_blk.space_id = 1; + /* + * 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_DWORD_ACCESS; + fadt->x_gpe0_blk.addrl = fadt->gpe0_blk; + fadt->x_gpe0_blk.addrh = 0; + fadt->x_gpe1_blk.space_id = 1; soc_fill_fadt(fadt); |