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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/southbridge/intel/lynxpoint
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/southbridge/intel/lynxpoint')
-rw-r--r--src/southbridge/intel/lynxpoint/fadt.c43
1 files changed, 2 insertions, 41 deletions
diff --git a/src/southbridge/intel/lynxpoint/fadt.c b/src/southbridge/intel/lynxpoint/fadt.c
index dc7ee545ce..ea542cac15 100644
--- a/src/southbridge/intel/lynxpoint/fadt.c
+++ b/src/southbridge/intel/lynxpoint/fadt.c
@@ -21,6 +21,8 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
else
fadt->gpe0_blk = pmbase + GPE0_STS;
+ fill_fadt_extended_pm_io(fadt);
+
/*
* Some of the lengths here are doubled. This is because they describe
* blocks containing two registers, where the size of each register
@@ -47,45 +49,4 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
if (cfg && cfg->docking_supported)
fadt->flags |= ACPI_FADT_DOCKING_SUPPORTED;
-
- 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;
}