ACPICA/ARM: ACPI 5.1: Update for FADT changes.

Adds ARM flags and FADT minor revision. Graeme Gregory.

Signed-off-by: Graeme Gregory <graeme.gregory@linaro.org>
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 9 insertions, 3 deletions

diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index 1cc7ef13c01a..bee19d8170c5 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -270,7 +270,8 @@ struct acpi_table_fadt {
         u32 flags;              /* Miscellaneous flag bits (see below for individual flags) */
         struct acpi_generic_address reset_register;     /* 64-bit address of the Reset register */
         u8 reset_value;         /* Value to write to the reset_register port to reset the system */
-        u8 reserved4[3];        /* Reserved, must be zero */
+        u16 arm_boot_flags;     /* ARM-Specific Boot Flags (see below for individual flags) (ACPI 5.1) */
+        u8 minor_revision;      /* FADT Minor Revision (ACPI 5.1) */
         u64 Xfacs;              /* 64-bit physical address of FACS */
         u64 Xdsdt;              /* 64-bit physical address of DSDT */
         struct acpi_generic_address xpm1a_event_block;  /* 64-bit Extended Power Mgt 1a Event Reg Blk address */
@@ -285,7 +286,7 @@ struct acpi_table_fadt {
         struct acpi_generic_address sleep_status;       /* 64-bit Sleep Status register (ACPI 5.0) */
 };
 
-/* Masks for FADT Boot Architecture Flags (boot_flags) [Vx]=Introduced in this FADT revision */
+/* Masks for FADT IA-PC Boot Architecture Flags (boot_flags) [Vx]=Introduced in this FADT revision */
 
 #define ACPI_FADT_LEGACY_DEVICES    (1)         /* 00: [V2] System has LPC or ISA bus devices */
 #define ACPI_FADT_8042              (1<<1)      /* 01: [V3] System has an 8042 controller on port 60/64 */
@@ -296,6 +297,11 @@ struct acpi_table_fadt {
 
 #define FADT2_REVISION_ID               3
 
+/* Masks for FADT ARM Boot Architecture Flags (arm_boot_flags) ACPI 5.1 */
+
+#define ACPI_FADT_PSCI_COMPLIANT    (1) /* 00: [V5+] PSCI 0.2+ is implemented */
+#define ACPI_FADT_PSCI_USE_HVC      (1<<1)      /* 01: [V5+] HVC must be used instead of SMC as the PSCI conduit */
+
 /* Masks for FADT flags */
 
 #define ACPI_FADT_WBINVD            (1) /* 00: [V1] The WBINVD instruction works properly */
@@ -399,7 +405,7 @@ struct acpi_table_desc {
  *     FADT V5  size: 0x10C
  */
 #define ACPI_FADT_V1_SIZE       (u32) (ACPI_FADT_OFFSET (flags) + 4)
-#define ACPI_FADT_V2_SIZE       (u32) (ACPI_FADT_OFFSET (reserved4[0]) + 3)
+#define ACPI_FADT_V2_SIZE       (u32) (ACPI_FADT_OFFSET (minor_revision) + 1)
 #define ACPI_FADT_V3_SIZE       (u32) (ACPI_FADT_OFFSET (sleep_control))
 #define ACPI_FADT_V5_SIZE       (u32) (sizeof (struct acpi_table_fadt))