/** @file
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*
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* Debug Port Table (DBG2)
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*
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* Copyright (c) 2019, Pete Batard <pete@akeo.ie>
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* Copyright (c) 2012-2021, ARM Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-2-Clause-Patent
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*
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**/
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#include <IndustryStandard/Acpi.h>
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#include <IndustryStandard/Bcm2836.h>
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#include <IndustryStandard/RpiDebugPort2Table.h>
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#include <Library/AcpiLib.h>
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#include <Library/PcdLib.h>
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#include "AcpiTables.h"
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#pragma pack(1)
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#define RPI_UART_INTERFACE_TYPE EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_ARM_PL011_UART
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#define RPI_UART_BASE_ADDRESS BCM2836_PL011_UART_BASE_ADDRESS
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#define RPI_UART_LENGTH BCM2836_PL011_UART_LENGTH
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//
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// RPI_UART_STR should match the value used Uart.asl
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//
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#define RPI_UART_STR { '\\', '_', 'S', 'B', '.', 'G', 'D', 'V', '0', '.', 'U', 'R', 'T', '0', 0x00 }
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#define DBG2_DEBUG_PORT_DDI(NumReg, SubType, UartBase, UartAddrLen, UartNameStr) { \
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{ \
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EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION, /* UINT8 Revision */ \
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sizeof (DBG2_DEBUG_DEVICE_INFORMATION), /* UINT16 Length */ \
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NumReg, /* UINT8 NumberofGenericAddressRegisters */ \
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RPI_DBG2_NAMESPACESTRING_FIELD_SIZE, /* UINT16 NameSpaceStringLength */ \
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OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, NameSpaceString), /* UINT16 NameSpaceStringOffset */ \
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0, /* UINT16 OemDataLength */ \
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0, /* UINT16 OemDataOffset */ \
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EFI_ACPI_DBG2_PORT_TYPE_SERIAL, /* UINT16 Port Type */ \
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SubType, /* UINT16 Port Subtype */ \
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{EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE}, /* UINT8 Reserved[2] */ \
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OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, BaseAddressRegister), /* UINT16 BaseAddressRegister Offset */ \
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OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, AddressSize) /* UINT16 AddressSize Offset */ \
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}, \
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ARM_GAS32 (UartBase), /* EFI_ACPI_6_3_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister */ \
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UartAddrLen, /* UINT32 AddressSize */ \
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UartNameStr /* UINT8 NameSpaceString[MAX_DBG2_NAME_LEN] */ \
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}
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STATIC DBG2_TABLE Dbg2 = {
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{
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ACPI_HEADER (
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EFI_ACPI_6_3_DEBUG_PORT_2_TABLE_SIGNATURE,
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DBG2_TABLE,
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EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION
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),
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OFFSET_OF (DBG2_TABLE, Dbg2DeviceInfo),
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RPI_DBG2_NUM_DEBUG_PORTS /* UINT32 NumberDbgDeviceInfo */
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},
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{
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/*
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* Kernel Debug Port
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*/
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DBG2_DEBUG_PORT_DDI (
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RPI_DBG2_NUMBER_OF_GENERIC_ADDRESS_REGISTERS,
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RPI_UART_INTERFACE_TYPE,
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RPI_UART_BASE_ADDRESS,
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RPI_UART_LENGTH,
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RPI_UART_STR
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),
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}
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};
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#pragma pack()
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//
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// Reference the table being generated to prevent the optimizer from removing
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// the data structure from the executable
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//
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VOID* CONST ReferenceAcpiTable = &Dbg2;
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