summaryrefslogtreecommitdiffstats
path: root/include/acpi
diff options
context:
space:
mode:
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/acglobal.h6
-rw-r--r--include/acpi/actypes.h8
2 files changed, 13 insertions, 1 deletions
diff --git a/include/acpi/acglobal.h b/include/acpi/acglobal.h
index 78f3c149f7ba..55eb5d618764 100644
--- a/include/acpi/acglobal.h
+++ b/include/acpi/acglobal.h
@@ -102,6 +102,12 @@ ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE);
*/
ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
+/*
+ * Optionally use default values for the ACPI register widths. Set this to
+ * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
+ */
+ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_use_default_register_widths, FALSE);
+
/*****************************************************************************
*
* Debug support
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 24b2cef5a13f..03744d28dcf6 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -309,10 +309,16 @@ typedef u32 acpi_physical_address;
*
*****************************************************************************/
-/* Number of distinct GPE register blocks and register width */
+/* Number of distinct FADT-based GPE register blocks (GPE0 and GPE1) */
#define ACPI_MAX_GPE_BLOCKS 2
+
+/* Default ACPI register widths */
+
#define ACPI_GPE_REGISTER_WIDTH 8
+#define ACPI_PM1_REGISTER_WIDTH 16
+#define ACPI_PM2_REGISTER_WIDTH 8
+#define ACPI_PM_TIMER_WIDTH 32
/* Names within the namespace are 4 bytes long */
OpenPOWER on IntegriCloud