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authorKyösti Mälkki <kyosti.malkki@gmail.com>2023-04-28 07:04:34 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2023-08-08 06:51:03 +0000
commit88decca14f84184e95482d6b16c0791a70eae9ce (patch)
treec1bb745dbc263de44bba888071ef52d565f37a60 /src/soc/intel/baytrail
parentd99de5db5b9e46fd2595c0946cad9bb6da9b2b8d (diff)
ACPI: Add helper fill_fadt_extended_pm_io()
Once platform code has filled in the (legacy) ACPI PM register map, added function will fill in the extended entries in FADT. TEST=samsung/lumpy and amd/mandolin FADT stays unchanged. Change-Id: I90925fce35458cf5480bfefc7cdddebd41b42058 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/74913 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin L Roth <gaumless@gmail.com>
Diffstat (limited to 'src/soc/intel/baytrail')
-rw-r--r--src/soc/intel/baytrail/fadt.c43
1 files changed, 3 insertions, 40 deletions
diff --git a/src/soc/intel/baytrail/fadt.c b/src/soc/intel/baytrail/fadt.c
index e4e225e42e..7f48253faf 100644
--- a/src/soc/intel/baytrail/fadt.c
+++ b/src/soc/intel/baytrail/fadt.c
@@ -20,6 +20,9 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
fadt->pm2_cnt_len = 1;
fadt->pm_tmr_len = 4;
fadt->gpe0_blk_len = 2 * (GPE0_EN - GPE0_STS);
+
+ fill_fadt_extended_pm_io(fadt);
+
fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
fadt->flags |= ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
@@ -27,44 +30,4 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
ACPI_FADT_SEALED_CASE | ACPI_FADT_S4_RTC_WAKE |
ACPI_FADT_PLATFORM_CLOCK;
- fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
- 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 = ACPI_ACCESS_SIZE_WORD_ACCESS;
- fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
- fadt->x_pm1a_evt_blk.addrh = 0x0;
-
- fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
- 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 = ACPI_ACCESS_SIZE_WORD_ACCESS;
- fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
- fadt->x_pm1a_cnt_blk.addrh = 0x0;
-
- fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
- 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 = ACPI_ACCESS_SIZE_BYTE_ACCESS;
- fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk;
- fadt->x_pm2_cnt_blk.addrh = 0x0;
-
- fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
- 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 = ACPI_ACCESS_SIZE_DWORD_ACCESS;
- fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
- 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 = 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_BYTE_ACCESS;
- fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
- fadt->x_gpe0_blk.addrh = 0x0;
}