1 /** @file 2 * SPCR Table 3 * 4 * Copyright (c) 2014 - 2016, ARM Limited. All rights reserved. 5 * 6 * This program and the accompanying materials are licensed and made available 7 * under the terms and conditions of the BSD License which accompanies this 8 * distribution. The full text of the license may be found at 9 * http://opensource.org/licenses/bsd-license.php 10 * 11 * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 13 * 14 **/ 15 16 #include "ArmPlatform.h" 17 #include <Library/AcpiLib.h> 18 #include <Library/ArmLib.h> 19 #include <Library/PcdLib.h> 20 #include <IndustryStandard/Acpi.h> 21 #include <IndustryStandard/SerialPortConsoleRedirectionTable.h> 22 23 /** 24 * References: 25 * Serial Port Console Redirection Table Specification Version 1.03 - August 10, 2015 26 **/ 27 28 29 /// 30 /// SPCR Flow Control 31 /// 32 #define SPCR_FLOW_CONTROL_NONE 0 33 34 35 STATIC EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE Spcr = { 36 ARM_ACPI_HEADER (EFI_ACPI_5_1_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_SIGNATURE, 37 EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE, 38 EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_REVISION), 39 // UINT8 InterfaceType; 40 EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_ARM_PL011_UART, 41 // UINT8 Reserved1[3]; 42 { 43 EFI_ACPI_RESERVED_BYTE, 44 EFI_ACPI_RESERVED_BYTE, 45 EFI_ACPI_RESERVED_BYTE 46 }, 47 // EFI_ACPI_5_0_GENERIC_ADDRESS_STRUCTURE BaseAddress; 48 ARM_GAS32 (FixedPcdGet64 (PcdSerialRegisterBase)), 49 // UINT8 InterruptType; 50 EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERRUPT_TYPE_GIC, 51 // UINT8 Irq; 52 0, // Not used on ARM 53 // UINT32 GlobalSystemInterrupt; 54 FixedPcdGet32 (PL011UartInterrupt), 55 // UINT8 BaudRate; 56 #if (FixedPcdGet64 (PcdUartDefaultBaudRate) == 9600) 57 EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_9600, 58 #elif (FixedPcdGet64 (PcdUartDefaultBaudRate) == 19200) 59 EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_19200, 60 #elif (FixedPcdGet64 (PcdUartDefaultBaudRate) == 57600) 61 EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_57600, 62 #elif (FixedPcdGet64 (PcdUartDefaultBaudRate) == 115200) 63 EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_115200, 64 #else 65 #error Unsupported SPCR Baud Rate 66 #endif 67 // UINT8 Parity; 68 EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_PARITY_NO_PARITY, 69 // UINT8 StopBits; 70 EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_STOP_BITS_1, 71 // UINT8 FlowControl; 72 SPCR_FLOW_CONTROL_NONE, 73 // UINT8 TerminalType; 74 EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_TERMINAL_TYPE_ANSI, 75 // UINT8 Reserved2; 76 EFI_ACPI_RESERVED_BYTE, 77 // UINT16 PciDeviceId; 78 0xFFFF, 79 // UINT16 PciVendorId; 80 0xFFFF, 81 // UINT8 PciBusNumber; 82 0x00, 83 // UINT8 PciDeviceNumber; 84 0x00, 85 // UINT8 PciFunctionNumber; 86 0x00, 87 // UINT32 PciFlags; 88 0x00000000, 89 // UINT8 PciSegment; 90 0x00, 91 // UINT32 Reserved3; 92 EFI_ACPI_RESERVED_DWORD 93 }; 94 95 // 96 // Reference the table being generated to prevent the optimizer from removing the 97 // data structure from the executable 98 // 99 VOID* CONST ReferenceAcpiTable = &Spcr; 100
