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-rw-r--r--src/southbridge/amd/agesa/hudson/fadt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/southbridge/amd/agesa/hudson/fadt.c b/src/southbridge/amd/agesa/hudson/fadt.c
index 3aac4506fb..bb05346d7e 100644
--- a/src/southbridge/amd/agesa/hudson/fadt.c
+++ b/src/southbridge/amd/agesa/hudson/fadt.c
@@ -65,7 +65,7 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
fadt->ARM_boot_arch = 0; /* Must be zero if ACPI Revision <= 5.0 */
fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
- fadt->x_pm1a_evt_blk.bit_width = 32;
+ 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 = ACPI_PM_EVT_BLK;