1 files changed, 74 insertions, 2 deletions

diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 0029336775a9..3751ae69432f 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -893,7 +893,10 @@ enum acpi_madt_type {
 	ACPI_MADT_TYPE_BIO_PIC = 22,
 	ACPI_MADT_TYPE_LPC_PIC = 23,
 	ACPI_MADT_TYPE_RINTC = 24,
-	ACPI_MADT_TYPE_RESERVED = 25,	/* 25 to 0x7F are reserved */
+	ACPI_MADT_TYPE_IMSIC = 25,
+	ACPI_MADT_TYPE_APLIC = 26,
+	ACPI_MADT_TYPE_PLIC = 27,
+	ACPI_MADT_TYPE_RESERVED = 28,	/* 28 to 0x7F are reserved */
 	ACPI_MADT_TYPE_OEM_RESERVED = 0x80	/* 0x80 to 0xFF are reserved for OEM use */
 };
 
@@ -1261,6 +1264,9 @@ struct acpi_madt_rintc {
 	u32 flags;
 	u64 hart_id;
 	u32 uid;		/* ACPI processor UID */
+	u32 ext_intc_id;	/* External INTC Id */
+	u64 imsic_addr;		/* IMSIC base address */
+	u32 imsic_size;		/* IMSIC size */
 };
 
 /* Values for RISC-V INTC Version field above */
@@ -1271,6 +1277,48 @@ enum acpi_madt_rintc_version {
 	ACPI_MADT_RINTC_VERSION_RESERVED = 2	/* 2 and greater are reserved */
 };
 
+/* 25: RISC-V IMSIC */
+struct acpi_madt_imsic {
+	struct acpi_subtable_header header;
+	u8 version;
+	u8 reserved;
+	u32 flags;
+	u16 num_ids;
+	u16 num_guest_ids;
+	u8 guest_index_bits;
+	u8 hart_index_bits;
+	u8 group_index_bits;
+	u8 group_index_shift;
+};
+
+/* 26: RISC-V APLIC */
+struct acpi_madt_aplic {
+	struct acpi_subtable_header header;
+	u8 version;
+	u8 id;
+	u32 flags;
+	u8 hw_id[8];
+	u16 num_idcs;
+	u16 num_sources;
+	u32 gsi_base;
+	u64 base_addr;
+	u32 size;
+};
+
+/* 27: RISC-V PLIC */
+struct acpi_madt_plic {
+	struct acpi_subtable_header header;
+	u8 version;
+	u8 id;
+	u8 hw_id[8];
+	u16 num_irqs;
+	u16 max_prio;
+	u32 flags;
+	u32 size;
+	u64 base_addr;
+	u32 gsi_base;
+};
+
 /* 80: OEM data */
 
 struct acpi_madt_oem_data {
@@ -2730,12 +2778,15 @@ enum acpi_rgrt_image_type {
 
 struct acpi_table_rhct {
 	struct acpi_table_header header;	/* Common ACPI table header */
-	u32 reserved;
+	u32 flags;		/* RHCT flags */
 	u64 time_base_freq;
 	u32 node_count;
 	u32 node_offset;
 };
 
+/* RHCT Flags */
+
+#define ACPI_RHCT_TIMER_CANNOT_WAKEUP_CPU       (1)
 /*
  * RHCT subtables
  */
@@ -2749,6 +2800,9 @@ struct acpi_rhct_node_header {
 
 enum acpi_rhct_node_type {
 	ACPI_RHCT_NODE_TYPE_ISA_STRING = 0x0000,
+	ACPI_RHCT_NODE_TYPE_CMO = 0x0001,
+	ACPI_RHCT_NODE_TYPE_MMU = 0x0002,
+	ACPI_RHCT_NODE_TYPE_RESERVED = 0x0003,
 	ACPI_RHCT_NODE_TYPE_HART_INFO = 0xFFFF,
 };
 
@@ -2762,6 +2816,24 @@ struct acpi_rhct_isa_string {
 	char isa[];
 };
 
+struct acpi_rhct_cmo_node {
+	u8 reserved;		/* Must be zero */
+	u8 cbom_size;		/* CBOM size in powerof 2 */
+	u8 cbop_size;		/* CBOP size in powerof 2 */
+	u8 cboz_size;		/* CBOZ size in powerof 2 */
+};
+
+struct acpi_rhct_mmu_node {
+	u8 reserved;		/* Must be zero */
+	u8 mmu_type;		/* Virtual Address Scheme */
+};
+
+enum acpi_rhct_mmu_type {
+	ACPI_RHCT_MMU_TYPE_SV39 = 0,
+	ACPI_RHCT_MMU_TYPE_SV48 = 1,
+	ACPI_RHCT_MMU_TYPE_SV57 = 2
+};
+
 /* Hart Info node structure */
 struct acpi_rhct_hart_info {
 	u16 num_offsets;