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-rw-r--r--include/acpi/actbl3.h118
1 files changed, 102 insertions, 16 deletions
diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h
index c2295cc4a5c0..787bcc814463 100644
--- a/include/acpi/actbl3.h
+++ b/include/acpi/actbl3.h
@@ -241,33 +241,96 @@ struct acpi_s3pt_suspend {
/*******************************************************************************
*
- * GTDT - Generic Timer Description Table (ACPI 5.0)
- * Version 1
+ * GTDT - Generic Timer Description Table (ACPI 5.1)
+ * Version 2
*
******************************************************************************/
struct acpi_table_gtdt {
struct acpi_table_header header; /* Common ACPI table header */
- u64 address;
- u32 flags;
- u32 secure_pl1_interrupt;
- u32 secure_pl1_flags;
- u32 non_secure_pl1_interrupt;
- u32 non_secure_pl1_flags;
+ u64 counter_block_addresss;
+ u32 reserved;
+ u32 secure_el1_interrupt;
+ u32 secure_el1_flags;
+ u32 non_secure_el1_interrupt;
+ u32 non_secure_el1_flags;
u32 virtual_timer_interrupt;
u32 virtual_timer_flags;
- u32 non_secure_pl2_interrupt;
- u32 non_secure_pl2_flags;
+ u32 non_secure_el2_interrupt;
+ u32 non_secure_el2_flags;
+ u64 counter_read_block_address;
+ u32 platform_timer_count;
+ u32 platform_timer_offset;
};
-/* Values for Flags field above */
+/* Flag Definitions: Timer Block Physical Timers and Virtual timers */
+
+#define ACPI_GTDT_INTERRUPT_MODE (1)
+#define ACPI_GTDT_INTERRUPT_POLARITY (1<<1)
+#define ACPI_GTDT_ALWAYS_ON (1<<2)
+
+/* Common GTDT subtable header */
+
+struct acpi_gtdt_header {
+ u8 type;
+ u16 length;
+};
-#define ACPI_GTDT_MAPPED_BLOCK_PRESENT 1
+/* Values for GTDT subtable type above */
-/* Values for all "TimerFlags" fields above */
+enum acpi_gtdt_type {
+ ACPI_GTDT_TYPE_TIMER_BLOCK = 0,
+ ACPI_GTDT_TYPE_WATCHDOG = 1,
+ ACPI_GTDT_TYPE_RESERVED = 2 /* 2 and greater are reserved */
+};
+
+/* GTDT Subtables, correspond to Type in struct acpi_gtdt_header */
+
+/* 0: Generic Timer Block */
+
+struct acpi_gtdt_timer_block {
+ struct acpi_gtdt_header header;
+ u8 reserved;
+ u64 block_address;
+ u32 timer_count;
+ u32 timer_offset;
+};
+
+/* Timer Sub-Structure, one per timer */
+
+struct acpi_gtdt_timer_entry {
+ u8 frame_number;
+ u8 reserved[3];
+ u64 base_address;
+ u64 el0_base_address;
+ u32 timer_interrupt;
+ u32 timer_flags;
+ u32 virtual_timer_interrupt;
+ u32 virtual_timer_flags;
+ u32 common_flags;
+};
-#define ACPI_GTDT_INTERRUPT_MODE 1
-#define ACPI_GTDT_INTERRUPT_POLARITY 2
+/* Flag Definitions: common_flags above */
+
+#define ACPI_GTDT_GT_IS_SECURE_TIMER (1)
+#define ACPI_GTDT_GT_ALWAYS_ON (1<<1)
+
+/* 1: SBSA Generic Watchdog Structure */
+
+struct acpi_gtdt_watchdog {
+ struct acpi_gtdt_header header;
+ u8 reserved;
+ u64 refresh_frame_address;
+ u64 control_frame_address;
+ u32 timer_interrupt;
+ u32 timer_flags;
+};
+
+/* Flag Definitions: timer_flags above */
+
+#define ACPI_GTDT_WATCHDOG_IRQ_MODE (1)
+#define ACPI_GTDT_WATCHDOG_IRQ_POLARITY (1<<1)
+#define ACPI_GTDT_WATCHDOG_SECURE (1<<2)
/*******************************************************************************
*
@@ -385,7 +448,8 @@ struct acpi_table_pcct {
enum acpi_pcct_type {
ACPI_PCCT_TYPE_GENERIC_SUBSPACE = 0,
- ACPI_PCCT_TYPE_RESERVED = 1 /* 1 and greater are reserved */
+ ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE = 1,
+ ACPI_PCCT_TYPE_RESERVED = 2 /* 2 and greater are reserved */
};
/*
@@ -407,6 +471,28 @@ struct acpi_pcct_subspace {
u16 min_turnaround_time;
};
+/* 1: HW-reduced Communications Subspace (ACPI 5.1) */
+
+struct acpi_pcct_hw_reduced {
+ struct acpi_subtable_header header;
+ u32 doorbell_interrupt;
+ u8 flags;
+ u8 reserved;
+ u64 base_address;
+ u64 length;
+ struct acpi_generic_address doorbell_register;
+ u64 preserve_mask;
+ u64 write_mask;
+ u32 latency;
+ u32 max_access_rate;
+ u16 min_turnaround_time;
+};
+
+/* Values for doorbell flags above */
+
+#define ACPI_PCCT_INTERRUPT_POLARITY (1)
+#define ACPI_PCCT_INTERRUPT_MODE (1<<1)
+
/*
* PCC memory structures (not part of the ACPI table)
*/