From: Benjamin Herrenschmidt <b...@amazon.com>
Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
---
include/grub/acpi.h | 51 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 51 insertions(+)
diff --git a/include/grub/acpi.h b/include/grub/acpi.h
index 8c126b2b9..17aadb802 100644
--- a/include/grub/acpi.h
+++ b/include/grub/acpi.h
@@ -179,6 +179,57 @@ enum
GRUB_ACPI_MADT_ENTRY_SAPIC_FLAGS_ENABLED = 1
};
+struct grub_acpi_genaddr {
+ grub_uint8_t space_id;
+#define GRUB_ACPI_GENADDR_MEM_SPACE 0x00
+#define GRUB_ACPI_GENADDR_IO_SPACE 0x01
+ grub_uint8_t bit_width;
+ grub_uint8_t bit_offset;
+ grub_uint8_t access_size;
+#define GRUB_ACPI_GENADDR_SIZE_LGCY 0x00
+#define GRUB_ACPI_GENADDR_SIZE_BYTE 0x01
+#define GRUB_ACPI_GENADDR_SIZE_WORD 0x02
+#define GRUB_ACPI_GENADDR_SIZE_DWORD 0x03
+#define GRUB_ACPI_GENADDR_SIZE_QWORD 0x04
+ grub_uint64_t addr;
+} GRUB_PACKED;
+
+#define GRUB_ACPI_SPCR_SIGNATURE "SPCR"
+
+struct grub_acpi_spcr {
+ struct grub_acpi_table_header hdr;
+ grub_uint8_t intf_type;
+#define GRUB_ACPI_SPCR_INTF_TYPE_16550 0x00
+#define GRUB_ACPI_SPCR_INTF_TYPE_16550X 0x01
+ grub_uint8_t reserved_0[3];
+ struct grub_acpi_genaddr base_addr;
+ grub_uint8_t interrupt_type;
+ grub_uint8_t irq;
+ grub_uint32_t gsi;
+ grub_uint8_t baud_rate;
+#define GRUB_ACPI_SPCR_BAUD_CURRENT 0x00
+#define GRUB_ACPI_SPCR_BAUD_9600 0x03
+#define GRUB_ACPI_SPCR_BAUD_19200 0x04
+#define GRUB_ACPI_SPCR_BAUD_57600 0x06
+#define GRUB_ACPI_SPCR_BAUD_115200 0x07
+ grub_uint8_t parity;
+ grub_uint8_t stop_bits;
+ grub_uint8_t flow_control;
+#define GRUB_ACPI_SPCR_FC_DCD_TX (1 << 0)
+#define GRUB_ACPI_SPCR_FC_RTSCTS (1 << 1)
+#define GRUB_ACPI_SPCR_FC_XONXOFF (1 << 2)
+ grub_uint8_t terminal_type;
+ grub_uint8_t language;
+ grub_uint16_t pci_device_id;
+ grub_uint16_t pci_vendor_id;
+ grub_uint8_t pci_bus;
+ grub_uint8_t pci_device;
+ grub_uint8_t pci_function;
+ grub_uint32_t pci_flags;
+ grub_uint8_t pci_segment;
+ grub_uint32_t reserved_1;
+} GRUB_PACKED;
+
#ifndef GRUB_DSDT_TEST
struct grub_acpi_rsdp_v10 *grub_acpi_get_rsdpv1 (void);
struct grub_acpi_rsdp_v20 *grub_acpi_get_rsdpv2 (void);
--
2.34.1
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