diff options
Diffstat (limited to 'src/soc/intel/baytrail/acpi.c')
| -rw-r--r-- | src/soc/intel/baytrail/acpi.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/soc/intel/baytrail/acpi.c b/src/soc/intel/baytrail/acpi.c index ac0e29268b..3074f1a08f 100644 --- a/src/soc/intel/baytrail/acpi.c +++ b/src/soc/intel/baytrail/acpi.c @@ -171,7 +171,7 @@ void acpi_fill_in_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; @@ -179,7 +179,7 @@ void acpi_fill_in_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; @@ -193,7 +193,7 @@ void acpi_fill_in_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; @@ -207,21 +207,27 @@ void acpi_fill_in_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 + PM2A_CNT_BLK; 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; + /* + * 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 = 1; 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.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; fadt->x_gpe0_blk.addrl = pmbase + GPE0_STS; fadt->x_gpe0_blk.addrh = 0x0; |