From: "Jeremy Linton" <jeremy.linton@arm.com>
To: Sunny Wang <Sunny.Wang@arm.com>, devel@edk2.groups.io
Cc: Samer El-Haj-Mahmoud <samer.el-haj-mahmoud@arm.com>,
Sami Mujawar <sami.mujawar@arm.com>, Pete Batard <pete@akeo.ie>,
Ard Biesheuvel <ardb+tianocore@kernel.org>
Subject: Re: [PATCH v2 1/2] Platform/RaspberryPi: Dynamically build UARTs info in ACPI
Date: Wed, 24 Mar 2021 14:40:23 -0500 [thread overview]
Message-ID: <560ff2cd-0a4f-e034-1994-91ec493ce310@arm.com> (raw)
In-Reply-To: <20210324094524.184-1-Sunny.Wang@arm.com>
Hi,
Thanks for working on this!
Comments inline:
On 3/24/21 4:45 AM, Sunny Wang wrote:
> Changes:
> 1. Add code to ConfigDxe driver and AcpiTables module to dynamically
> build either Mini UART or PL011 UART info in ACPI. This fixes the
> issue discussed in https://github.com/pftf/RPi4/issues/118.
> 2. Cleanup by moving duplicate Debug Port 2 table related defines and
> structures to a newly created header file (RpiDebugPort2Table.h).
>
> Testing Done:
> - Booted to UEFI shell and use acpiview command to check the result of
> the different UART settings in config.txt (enabling either Mini UART
> or PL011) and SPCR, DBG2 tables and device BTH0 are dynamically
> changed as expected.
>
> Cc: Samer El-Haj-Mahmoud <samer.el-haj-mahmoud@arm.com>
> Cc: Sami Mujawar <sami.mujawar@arm.com>
> Cc: Jeremy Linton <jeremy.linton@arm.com>
> Cc: Pete Batard <pete@akeo.ie>
> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> Signed-off-by: Sunny Wang <sunny.wang@arm.com>
> ---
> .../RaspberryPi/AcpiTables/AcpiTables.inf | 9 +-
> .../RaspberryPi/AcpiTables/Dbg2MiniUart.aslc | 82 ++++++++
> .../AcpiTables/{Dbg2.aslc => Dbg2Pl011.aslc} | 187 ++++++++---------
> .../RaspberryPi/AcpiTables/SpcrMiniUart.aslc | 92 +++++++++
> .../AcpiTables/{Spcr.aslc => SpcrPl011.aslc} | 188 +++++++++---------
> Platform/RaspberryPi/AcpiTables/Uart.asl | 10 +-
> .../RaspberryPi/Drivers/ConfigDxe/ConfigDxe.c | 107 +++++++++-
> .../IndustryStandard/RpiDebugPort2Table.h | 34 ++++
> 8 files changed, 497 insertions(+), 212 deletions(-)
> create mode 100644 Platform/RaspberryPi/AcpiTables/Dbg2MiniUart.aslc
> rename Platform/RaspberryPi/AcpiTables/{Dbg2.aslc => Dbg2Pl011.aslc} (72%)
> create mode 100644 Platform/RaspberryPi/AcpiTables/SpcrMiniUart.aslc
> rename Platform/RaspberryPi/AcpiTables/{Spcr.aslc => SpcrPl011.aslc} (87%)
> create mode 100644 Platform/RaspberryPi/Include/IndustryStandard/RpiDebugPort2Table.h
>
> diff --git a/Platform/RaspberryPi/AcpiTables/AcpiTables.inf b/Platform/RaspberryPi/AcpiTables/AcpiTables.inf
> index d3363a76a1..fc8e927138 100644
> --- a/Platform/RaspberryPi/AcpiTables/AcpiTables.inf
> +++ b/Platform/RaspberryPi/AcpiTables/AcpiTables.inf
> @@ -2,7 +2,7 @@
> #
> # ACPI table data and ASL sources required to boot the platform.
> #
> -# Copyright (c) 2019, ARM Limited. All rights reserved.
> +# Copyright (c) 2019-2021, ARM Limited. All rights reserved.
> # Copyright (c) 2017, Andrey Warkentin <andrey.warkentin@gmail.com>
> # Copyright (c) Microsoft Corporation. All rights reserved.
> #
> @@ -28,12 +28,14 @@
> Emmc.asl
> Madt.aslc
> Fadt.aslc
> - Dbg2.aslc
> + Dbg2MiniUart.aslc
> + Dbg2Pl011.aslc
> Gtdt.aslc
> Iort.aslc
> Dsdt.asl
> Csrt.aslc
> - Spcr.aslc
> + SpcrMiniUart.aslc
> + SpcrPl011.aslc
> Pptt.aslc
> SsdtThermal.asl
>
> @@ -71,3 +73,4 @@
>
> [BuildOptions]
> GCC:*_*_*_ASL_FLAGS = -vw3133 -vw3150
> +
> diff --git a/Platform/RaspberryPi/AcpiTables/Dbg2MiniUart.aslc b/Platform/RaspberryPi/AcpiTables/Dbg2MiniUart.aslc
> new file mode 100644
> index 0000000000..c83b978731
> --- /dev/null
> +++ b/Platform/RaspberryPi/AcpiTables/Dbg2MiniUart.aslc
> @@ -0,0 +1,82 @@
> +/** @file
> + *
> + * Debug Port Table (DBG2)
> + *
> + * Copyright (c) 2019, Pete Batard <pete@akeo.ie>
> + * Copyright (c) 2012-2021, ARM Limited. All rights reserved.
> + *
> + * SPDX-License-Identifier: BSD-2-Clause-Patent
> + *
> + **/
> +
> +#include <IndustryStandard/Acpi.h>
> +#include <IndustryStandard/Bcm2836.h>
> +#include <IndustryStandard/RpiDebugPort2Table.h>
> +#include <Library/AcpiLib.h>
> +#include <Library/PcdLib.h>
> +
> +#include "AcpiTables.h"
> +
> +#pragma pack(1)
> +
> +#define RPI_UART_INTERFACE_TYPE EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_BCM2835_UART
> +#define RPI_UART_BASE_ADDRESS BCM2836_MINI_UART_BASE_ADDRESS
> +#define RPI_UART_LENGTH BCM2836_MINI_UART_LENGTH
> +//
> +// RPI_UART_STR should match the value used Uart.asl
> +//
> +#define RPI_UART_STR { '\\', '_', 'S', 'B', '.', 'G', 'D', 'V', '0', '.', 'U', 'R', 'T', 'M', 0x00 }
> +
> +#define DBG2_DEBUG_PORT_DDI(NumReg, SubType, UartBase, UartAddrLen, UartNameStr) { \
> + { \
> + EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION, /* UINT8 Revision */ \
> + sizeof (DBG2_DEBUG_DEVICE_INFORMATION), /* UINT16 Length */ \
> + NumReg, /* UINT8 NumberofGenericAddressRegisters */ \
> + RPI_DBG2_NAMESPACESTRING_FIELD_SIZE, /* UINT16 NameSpaceStringLength */ \
> + OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, NameSpaceString), /* UINT16 NameSpaceStringOffset */ \
> + 0, /* UINT16 OemDataLength */ \
> + 0, /* UINT16 OemDataOffset */ \
> + EFI_ACPI_DBG2_PORT_TYPE_SERIAL, /* UINT16 Port Type */ \
> + SubType, /* UINT16 Port Subtype */ \
> + {EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE}, /* UINT8 Reserved[2] */ \
> + OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, BaseAddressRegister), /* UINT16 BaseAddressRegister Offset */ \
> + OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, AddressSize) /* UINT16 AddressSize Offset */ \
> + }, \
> + ARM_GAS32 (UartBase), /* EFI_ACPI_6_3_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister */ \
> + UartAddrLen, /* UINT32 AddressSize */ \
> + UartNameStr /* UINT8 NameSpaceString[MAX_DBG2_NAME_LEN] */ \
> + }
> +
> +
> +STATIC DBG2_TABLE Dbg2 = {
> + {
> + ACPI_HEADER (
> + EFI_ACPI_6_3_DEBUG_PORT_2_TABLE_SIGNATURE,
> + DBG2_TABLE,
> + EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION
> + ),
> + OFFSET_OF (DBG2_TABLE, Dbg2DeviceInfo),
> + RPI_DBG2_NUM_DEBUG_PORTS /* UINT32 NumberDbgDeviceInfo */
> + },
> + {
> + /*
> + * Kernel Debug Port
> + */
> + DBG2_DEBUG_PORT_DDI (
> + RPI_DBG2_NUMBER_OF_GENERIC_ADDRESS_REGISTERS,
> + RPI_UART_INTERFACE_TYPE,
> + RPI_UART_BASE_ADDRESS,
> + RPI_UART_LENGTH,
> + RPI_UART_STR
> + ),
> + }
> +};
> +
> +#pragma pack()
> +
> +//
> +// Reference the table being generated to prevent the optimizer from removing
> +// the data structure from the executable
> +//
> +VOID* CONST ReferenceAcpiTable = &Dbg2;
> +
> diff --git a/Platform/RaspberryPi/AcpiTables/Dbg2.aslc b/Platform/RaspberryPi/AcpiTables/Dbg2Pl011.aslc
> similarity index 72%
> rename from Platform/RaspberryPi/AcpiTables/Dbg2.aslc
> rename to Platform/RaspberryPi/AcpiTables/Dbg2Pl011.aslc
> index e3f2adae7e..dccfa24601 100644
> --- a/Platform/RaspberryPi/AcpiTables/Dbg2.aslc
> +++ b/Platform/RaspberryPi/AcpiTables/Dbg2Pl011.aslc
> @@ -1,105 +1,82 @@
> -/** @file
> - *
> - * Debug Port Table (DBG2)
> - *
> - * Copyright (c) 2019, Pete Batard <pete@akeo.ie>
> - * Copyright (c) 2012-2020, ARM Limited. All rights reserved.
> - *
> - * SPDX-License-Identifier: BSD-2-Clause-Patent
> - *
> - **/
> -
> -#include <IndustryStandard/Acpi.h>
> -#include <IndustryStandard/Bcm2836.h>
> -#include <IndustryStandard/DebugPort2Table.h>
> -#include <Library/AcpiLib.h>
> -#include <Library/PcdLib.h>
> -
> -#include "AcpiTables.h"
> -
> -#pragma pack(1)
> -
> -#define RPI_DBG2_NUM_DEBUG_PORTS 1
> -#define RPI_DBG2_NUMBER_OF_GENERIC_ADDRESS_REGISTERS 1
> -#define RPI_DBG2_NAMESPACESTRING_FIELD_SIZE 15
> -
> -#if (RPI_MODEL == 4)
> -#define RPI_UART_INTERFACE_TYPE EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_ARM_PL011_UART
> -#define RPI_UART_BASE_ADDRESS BCM2836_PL011_UART_BASE_ADDRESS
> -#define RPI_UART_LENGTH BCM2836_PL011_UART_LENGTH
> -#define RPI_UART_STR { '\\', '_', 'S', 'B', '.', 'G', 'D', 'V', '0', '.', 'U', 'R', 'T', '0', 0x00 }
> -#else
> -#define RPI_UART_INTERFACE_TYPE EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_BCM2835_UART
> -#define RPI_UART_BASE_ADDRESS BCM2836_MINI_UART_BASE_ADDRESS
> -#define RPI_UART_LENGTH BCM2836_MINI_UART_LENGTH
> -//
> -// RPI_UART_STR should match the value used Uart.asl
> -//
> -#define RPI_UART_STR { '\\', '_', 'S', 'B', '.', 'G', 'D', 'V', '0', '.', 'U', 'R', 'T', 'M', 0x00 }
> -#endif
> -
> -typedef struct {
> - EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT Dbg2Device;
> - EFI_ACPI_6_3_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister;
> - UINT32 AddressSize;
> - UINT8 NameSpaceString[RPI_DBG2_NAMESPACESTRING_FIELD_SIZE];
> -} DBG2_DEBUG_DEVICE_INFORMATION;
> -
> -typedef struct {
> - EFI_ACPI_DEBUG_PORT_2_DESCRIPTION_TABLE Description;
> - DBG2_DEBUG_DEVICE_INFORMATION Dbg2DeviceInfo[RPI_DBG2_NUM_DEBUG_PORTS];
> -} DBG2_TABLE;
> -
> -
> -#define DBG2_DEBUG_PORT_DDI(NumReg, SubType, UartBase, UartAddrLen, UartNameStr) { \
> - { \
> - EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION, /* UINT8 Revision */ \
> - sizeof (DBG2_DEBUG_DEVICE_INFORMATION), /* UINT16 Length */ \
> - NumReg, /* UINT8 NumberofGenericAddressRegisters */ \
> - RPI_DBG2_NAMESPACESTRING_FIELD_SIZE, /* UINT16 NameSpaceStringLength */ \
> - OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, NameSpaceString), /* UINT16 NameSpaceStringOffset */ \
> - 0, /* UINT16 OemDataLength */ \
> - 0, /* UINT16 OemDataOffset */ \
> - EFI_ACPI_DBG2_PORT_TYPE_SERIAL, /* UINT16 Port Type */ \
> - SubType, /* UINT16 Port Subtype */ \
> - {EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE}, /* UINT8 Reserved[2] */ \
> - OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, BaseAddressRegister), /* UINT16 BaseAddressRegister Offset */ \
> - OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, AddressSize) /* UINT16 AddressSize Offset */ \
> - }, \
> - ARM_GAS32 (UartBase), /* EFI_ACPI_6_3_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister */ \
> - UartAddrLen, /* UINT32 AddressSize */ \
> - UartNameStr /* UINT8 NameSpaceString[MAX_DBG2_NAME_LEN] */ \
> - }
> -
> -
> -STATIC DBG2_TABLE Dbg2 = {
> - {
> - ACPI_HEADER (
> - EFI_ACPI_6_3_DEBUG_PORT_2_TABLE_SIGNATURE,
> - DBG2_TABLE,
> - EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION
> - ),
> - OFFSET_OF (DBG2_TABLE, Dbg2DeviceInfo),
> - RPI_DBG2_NUM_DEBUG_PORTS /* UINT32 NumberDbgDeviceInfo */
> - },
> - {
> - /*
> - * Kernel Debug Port
> - */
> - DBG2_DEBUG_PORT_DDI (
> - RPI_DBG2_NUMBER_OF_GENERIC_ADDRESS_REGISTERS,
> - RPI_UART_INTERFACE_TYPE,
> - RPI_UART_BASE_ADDRESS,
> - RPI_UART_LENGTH,
> - RPI_UART_STR
> - ),
> - }
> -};
> -
> -#pragma pack()
> -
> -//
> -// Reference the table being generated to prevent the optimizer from removing
> -// the data structure from the executable
> -//
> -VOID* CONST ReferenceAcpiTable = &Dbg2;
> +/** @file
> + *
> + * Debug Port Table (DBG2)
> + *
> + * Copyright (c) 2019, Pete Batard <pete@akeo.ie>
> + * Copyright (c) 2012-2021, ARM Limited. All rights reserved.
> + *
> + * SPDX-License-Identifier: BSD-2-Clause-Patent
> + *
> + **/
> +
> +#include <IndustryStandard/Acpi.h>
> +#include <IndustryStandard/Bcm2836.h>
> +#include <IndustryStandard/RpiDebugPort2Table.h>
> +#include <Library/AcpiLib.h>
> +#include <Library/PcdLib.h>
> +
> +#include "AcpiTables.h"
> +
> +#pragma pack(1)
> +
> +#define RPI_UART_INTERFACE_TYPE EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_ARM_PL011_UART
> +#define RPI_UART_BASE_ADDRESS BCM2836_PL011_UART_BASE_ADDRESS
> +#define RPI_UART_LENGTH BCM2836_PL011_UART_LENGTH
> +//
> +// RPI_UART_STR should match the value used Uart.asl
> +//
> +#define RPI_UART_STR { '\\', '_', 'S', 'B', '.', 'G', 'D', 'V', '0', '.', 'U', 'R', 'T', '0', 0x00 }
> +
> +#define DBG2_DEBUG_PORT_DDI(NumReg, SubType, UartBase, UartAddrLen, UartNameStr) { \
> + { \
> + EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION, /* UINT8 Revision */ \
> + sizeof (DBG2_DEBUG_DEVICE_INFORMATION), /* UINT16 Length */ \
> + NumReg, /* UINT8 NumberofGenericAddressRegisters */ \
> + RPI_DBG2_NAMESPACESTRING_FIELD_SIZE, /* UINT16 NameSpaceStringLength */ \
> + OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, NameSpaceString), /* UINT16 NameSpaceStringOffset */ \
> + 0, /* UINT16 OemDataLength */ \
> + 0, /* UINT16 OemDataOffset */ \
> + EFI_ACPI_DBG2_PORT_TYPE_SERIAL, /* UINT16 Port Type */ \
> + SubType, /* UINT16 Port Subtype */ \
> + {EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE}, /* UINT8 Reserved[2] */ \
> + OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, BaseAddressRegister), /* UINT16 BaseAddressRegister Offset */ \
> + OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, AddressSize) /* UINT16 AddressSize Offset */ \
> + }, \
> + ARM_GAS32 (UartBase), /* EFI_ACPI_6_3_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister */ \
> + UartAddrLen, /* UINT32 AddressSize */ \
> + UartNameStr /* UINT8 NameSpaceString[MAX_DBG2_NAME_LEN] */ \
> + }
> +
> +
> +STATIC DBG2_TABLE Dbg2 = {
> + {
> + ACPI_HEADER (
> + EFI_ACPI_6_3_DEBUG_PORT_2_TABLE_SIGNATURE,
> + DBG2_TABLE,
> + EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION
> + ),
> + OFFSET_OF (DBG2_TABLE, Dbg2DeviceInfo),
> + RPI_DBG2_NUM_DEBUG_PORTS /* UINT32 NumberDbgDeviceInfo */
> + },
> + {
> + /*
> + * Kernel Debug Port
> + */
> + DBG2_DEBUG_PORT_DDI (
> + RPI_DBG2_NUMBER_OF_GENERIC_ADDRESS_REGISTERS,
> + RPI_UART_INTERFACE_TYPE,
> + RPI_UART_BASE_ADDRESS,
> + RPI_UART_LENGTH,
> + RPI_UART_STR
> + ),
> + }
> +};
> +
> +#pragma pack()
> +
> +//
> +// Reference the table being generated to prevent the optimizer from removing
> +// the data structure from the executable
> +//
> +VOID* CONST ReferenceAcpiTable = &Dbg2;
> +
> diff --git a/Platform/RaspberryPi/AcpiTables/SpcrMiniUart.aslc b/Platform/RaspberryPi/AcpiTables/SpcrMiniUart.aslc
> new file mode 100644
> index 0000000000..aaf5c5317e
> --- /dev/null
> +++ b/Platform/RaspberryPi/AcpiTables/SpcrMiniUart.aslc
> @@ -0,0 +1,92 @@
> +/** @file
> +* SPCR Table
> +*
> +* Copyright (c) 2019 Pete Batard <pete@akeo.ie>
> +* Copyright (c) 2014-2021, ARM Limited. All rights reserved.
> +*
> +* SPDX-License-Identifier: BSD-2-Clause-Patent
> +*
> +**/
> +
> +#include <IndustryStandard/Acpi.h>
> +#include <IndustryStandard/Bcm2836.h>
> +#include <IndustryStandard/SerialPortConsoleRedirectionTable.h>
> +#include <Library/AcpiLib.h>
> +#include <Library/PcdLib.h>
> +
> +#include "AcpiTables.h"
> +
> +#define RPI_UART_FLOW_CONTROL_NONE 0
> +
> +#define RPI_UART_INTERFACE_TYPE EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_BCM2835_UART
> +#define RPI_UART_BASE_ADDRESS BCM2836_MINI_UART_BASE_ADDRESS
> +#define RPI_UART_INTERRUPT BCM2836_MINI_UART_INTERRUPT
> +
> +STATIC EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE Spcr = {
> + ACPI_HEADER (
> + EFI_ACPI_6_3_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_SIGNATURE,
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE,
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_REVISION
> + ),
> + // UINT8 InterfaceType;
> + RPI_UART_INTERFACE_TYPE,
> + // UINT8 Reserved1[3];
> + {
> + EFI_ACPI_RESERVED_BYTE,
> + EFI_ACPI_RESERVED_BYTE,
> + EFI_ACPI_RESERVED_BYTE
> + },
> + // EFI_ACPI_6_3_GENERIC_ADDRESS_STRUCTURE BaseAddress;
> + ARM_GAS32 (RPI_UART_BASE_ADDRESS),
> + // UINT8 InterruptType;
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERRUPT_TYPE_GIC,
> + // UINT8 Irq;
> + 0, // Not used on ARM
> + // UINT32 GlobalSystemInterrupt;
> + RPI_UART_INTERRUPT,
> + // UINT8 BaudRate;
> +#if (FixedPcdGet64 (PcdUartDefaultBaudRate) == 9600)
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_9600,
> +#elif (FixedPcdGet64 (PcdUartDefaultBaudRate) == 19200)
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_19200,
> +#elif (FixedPcdGet64 (PcdUartDefaultBaudRate) == 57600)
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_57600,
> +#elif (FixedPcdGet64 (PcdUartDefaultBaudRate) == 115200)
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_115200,
> +#else
> +#error Unsupported SPCR Baud Rate
> +#endif
> + // UINT8 Parity;
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_PARITY_NO_PARITY,
> + // UINT8 StopBits;
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_STOP_BITS_1,
> + // UINT8 FlowControl;
> + RPI_UART_FLOW_CONTROL_NONE,
> + // UINT8 TerminalType;
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_TERMINAL_TYPE_VT_UTF8,
> + // UINT8 Reserved2;
> + EFI_ACPI_RESERVED_BYTE,
> + // UINT16 PciDeviceId;
> + 0xFFFF,
> + // UINT16 PciVendorId;
> + 0xFFFF,
> + // UINT8 PciBusNumber;
> + 0x00,
> + // UINT8 PciDeviceNumber;
> + 0x00,
> + // UINT8 PciFunctionNumber;
> + 0x00,
> + // UINT32 PciFlags;
> + 0x00000000,
> + // UINT8 PciSegment;
> + 0x00,
> + // UINT32 Reserved3;
> + EFI_ACPI_RESERVED_DWORD
> +};
> +
> +//
> +// Reference the table being generated to prevent the optimizer from removing the
> +// data structure from the executable
> +//
> +VOID* CONST ReferenceAcpiTable = &Spcr;
> +
> diff --git a/Platform/RaspberryPi/AcpiTables/Spcr.aslc b/Platform/RaspberryPi/AcpiTables/SpcrPl011.aslc
> similarity index 87%
> rename from Platform/RaspberryPi/AcpiTables/Spcr.aslc
> rename to Platform/RaspberryPi/AcpiTables/SpcrPl011.aslc
> index 07df3a718d..5a540adf08 100644
> --- a/Platform/RaspberryPi/AcpiTables/Spcr.aslc
> +++ b/Platform/RaspberryPi/AcpiTables/SpcrPl011.aslc
> @@ -1,97 +1,91 @@
> -/** @file
> -* SPCR Table
> -*
> -* Copyright (c) 2019 Pete Batard <pete@akeo.ie>
> -* Copyright (c) 2014-2016, ARM Limited. All rights reserved.
> -*
> -* SPDX-License-Identifier: BSD-2-Clause-Patent
> -*
> -**/
> -
> -#include <IndustryStandard/Acpi.h>
> -#include <IndustryStandard/Bcm2836.h>
> -#include <IndustryStandard/SerialPortConsoleRedirectionTable.h>
> -#include <Library/AcpiLib.h>
> -#include <Library/PcdLib.h>
> -
> -#include "AcpiTables.h"
> -
> -#define RPI_UART_FLOW_CONTROL_NONE 0
> -
> -// Prefer PL011 serial output on the Raspberry Pi 4
> -#if (RPI_MODEL == 4)
> -#define RPI_UART_INTERFACE_TYPE EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_ARM_PL011_UART
> -#define RPI_UART_BASE_ADDRESS BCM2836_PL011_UART_BASE_ADDRESS
> -#define RPI_UART_INTERRUPT BCM2836_PL011_UART_INTERRUPT
> -#else
> -#define RPI_UART_INTERFACE_TYPE EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_BCM2835_UART
> -#define RPI_UART_BASE_ADDRESS BCM2836_MINI_UART_BASE_ADDRESS
> -#define RPI_UART_INTERRUPT BCM2836_MINI_UART_INTERRUPT
> -#endif
> -STATIC EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE Spcr = {
> - ACPI_HEADER (
> - EFI_ACPI_6_3_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_SIGNATURE,
> - EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE,
> - EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_REVISION
> - ),
> - // UINT8 InterfaceType;
> - RPI_UART_INTERFACE_TYPE,
> - // UINT8 Reserved1[3];
> - {
> - EFI_ACPI_RESERVED_BYTE,
> - EFI_ACPI_RESERVED_BYTE,
> - EFI_ACPI_RESERVED_BYTE
> - },
> - // EFI_ACPI_6_3_GENERIC_ADDRESS_STRUCTURE BaseAddress;
> - ARM_GAS32 (RPI_UART_BASE_ADDRESS),
> - // UINT8 InterruptType;
> - EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERRUPT_TYPE_GIC,
> - // UINT8 Irq;
> - 0, // Not used on ARM
> - // UINT32 GlobalSystemInterrupt;
> - RPI_UART_INTERRUPT,
> - // UINT8 BaudRate;
> -#if (FixedPcdGet64 (PcdUartDefaultBaudRate) == 9600)
> - EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_9600,
> -#elif (FixedPcdGet64 (PcdUartDefaultBaudRate) == 19200)
> - EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_19200,
> -#elif (FixedPcdGet64 (PcdUartDefaultBaudRate) == 57600)
> - EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_57600,
> -#elif (FixedPcdGet64 (PcdUartDefaultBaudRate) == 115200)
> - EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_115200,
> -#else
> -#error Unsupported SPCR Baud Rate
> -#endif
> - // UINT8 Parity;
> - EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_PARITY_NO_PARITY,
> - // UINT8 StopBits;
> - EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_STOP_BITS_1,
> - // UINT8 FlowControl;
> - RPI_UART_FLOW_CONTROL_NONE,
> - // UINT8 TerminalType;
> - EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_TERMINAL_TYPE_VT_UTF8,
> - // UINT8 Reserved2;
> - EFI_ACPI_RESERVED_BYTE,
> - // UINT16 PciDeviceId;
> - 0xFFFF,
> - // UINT16 PciVendorId;
> - 0xFFFF,
> - // UINT8 PciBusNumber;
> - 0x00,
> - // UINT8 PciDeviceNumber;
> - 0x00,
> - // UINT8 PciFunctionNumber;
> - 0x00,
> - // UINT32 PciFlags;
> - 0x00000000,
> - // UINT8 PciSegment;
> - 0x00,
> - // UINT32 Reserved3;
> - EFI_ACPI_RESERVED_DWORD
> -};
> -
> -//
> -// Reference the table being generated to prevent the optimizer from removing the
> -// data structure from the executable
> -//
> -VOID* CONST ReferenceAcpiTable = &Spcr;
> +/** @file
> +* SPCR Table
> +*
> +* Copyright (c) 2019 Pete Batard <pete@akeo.ie>
> +* Copyright (c) 2014-2021, ARM Limited. All rights reserved.
> +*
> +* SPDX-License-Identifier: BSD-2-Clause-Patent
> +*
> +**/
> +
> +#include <IndustryStandard/Acpi.h>
> +#include <IndustryStandard/Bcm2836.h>
> +#include <IndustryStandard/SerialPortConsoleRedirectionTable.h>
> +#include <Library/AcpiLib.h>
> +#include <Library/PcdLib.h>
> +
> +#include "AcpiTables.h"
> +
> +#define RPI_UART_FLOW_CONTROL_NONE 0
> +
> +#define RPI_UART_INTERFACE_TYPE EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_ARM_PL011_UART
> +#define RPI_UART_BASE_ADDRESS BCM2836_PL011_UART_BASE_ADDRESS
> +#define RPI_UART_INTERRUPT BCM2836_PL011_UART_INTERRUPT
> +
> +STATIC EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE Spcr = {
> + ACPI_HEADER (
> + EFI_ACPI_6_3_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_SIGNATURE,
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE,
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_REVISION
> + ),
> + // UINT8 InterfaceType;
> + RPI_UART_INTERFACE_TYPE,
> + // UINT8 Reserved1[3];
> + {
> + EFI_ACPI_RESERVED_BYTE,
> + EFI_ACPI_RESERVED_BYTE,
> + EFI_ACPI_RESERVED_BYTE
> + },
> + // EFI_ACPI_6_3_GENERIC_ADDRESS_STRUCTURE BaseAddress;
> + ARM_GAS32 (RPI_UART_BASE_ADDRESS),
> + // UINT8 InterruptType;
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERRUPT_TYPE_GIC,
> + // UINT8 Irq;
> + 0, // Not used on ARM
> + // UINT32 GlobalSystemInterrupt;
> + RPI_UART_INTERRUPT,
> + // UINT8 BaudRate;
> +#if (FixedPcdGet64 (PcdUartDefaultBaudRate) == 9600)
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_9600,
> +#elif (FixedPcdGet64 (PcdUartDefaultBaudRate) == 19200)
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_19200,
> +#elif (FixedPcdGet64 (PcdUartDefaultBaudRate) == 57600)
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_57600,
> +#elif (FixedPcdGet64 (PcdUartDefaultBaudRate) == 115200)
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_115200,
> +#else
> +#error Unsupported SPCR Baud Rate
> +#endif
> + // UINT8 Parity;
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_PARITY_NO_PARITY,
> + // UINT8 StopBits;
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_STOP_BITS_1,
> + // UINT8 FlowControl;
> + RPI_UART_FLOW_CONTROL_NONE,
> + // UINT8 TerminalType;
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_TERMINAL_TYPE_VT_UTF8,
> + // UINT8 Reserved2;
> + EFI_ACPI_RESERVED_BYTE,
> + // UINT16 PciDeviceId;
> + 0xFFFF,
> + // UINT16 PciVendorId;
> + 0xFFFF,
> + // UINT8 PciBusNumber;
> + 0x00,
> + // UINT8 PciDeviceNumber;
> + 0x00,
> + // UINT8 PciFunctionNumber;
> + 0x00,
> + // UINT32 PciFlags;
> + 0x00000000,
> + // UINT8 PciSegment;
> + 0x00,
> + // UINT32 Reserved3;
> + EFI_ACPI_RESERVED_DWORD
> +};
> +
> +//
> +// Reference the table being generated to prevent the optimizer from removing the
> +// data structure from the executable
> +//
> +VOID* CONST ReferenceAcpiTable = &Spcr;
> diff --git a/Platform/RaspberryPi/AcpiTables/Uart.asl b/Platform/RaspberryPi/AcpiTables/Uart.asl
> index 81ae6711af..8ce297078d 100644
> --- a/Platform/RaspberryPi/AcpiTables/Uart.asl
> +++ b/Platform/RaspberryPi/AcpiTables/Uart.asl
> @@ -2,6 +2,7 @@
> *
> * [DSDT] Serial devices (UART).
> *
> + * Copyright (c) 2021, ARM Limited. All rights reserved.
> * Copyright (c) 2020, Pete Batard <pete@akeo.ie>
> * Copyright (c) 2018, Andrey Warkentin <andrey.warkentin@gmail.com>
> * Copyright (c) Microsoft Corporation. All rights reserved.
> @@ -101,7 +102,10 @@ Device(BTH0)
> {
> Name (RBUF, ResourceTemplate ()
> {
> - // BT UART: URT0 (PL011) or URTM (miniUART)
> + //
> + // BT UART: ResourceSource will be dynamically updated to
> + // either URT0 (PL011) or URTM (miniUART) during boot
> + //
> UARTSerialBus(
> 115200, // InitialBaudRate: in BPS
> , // BitsPerByte: default to 8 bits
> @@ -126,11 +130,7 @@ Device(BTH0)
> // no flow control.
> 16, // ReceiveBufferSize
> 16, // TransmitBufferSize
> -#if (RPI_MODEL == 4)
> - "\\_SB.GDV0.URTM", // ResourceSource:
> -#else
> "\\_SB.GDV0.URT0", // ResourceSource:
> -#endif
> // UART bus controller name
> , // ResourceSourceIndex: assumed to be 0
> , // ResourceUsage: assumed to be
> diff --git a/Platform/RaspberryPi/Drivers/ConfigDxe/ConfigDxe.c b/Platform/RaspberryPi/Drivers/ConfigDxe/ConfigDxe.c
> index 22f86d4d44..68ba14c846 100644
> --- a/Platform/RaspberryPi/Drivers/ConfigDxe/ConfigDxe.c
> +++ b/Platform/RaspberryPi/Drivers/ConfigDxe/ConfigDxe.c
> @@ -1,6 +1,6 @@
> /** @file
> *
> - * Copyright (c) 2019 - 2020, ARM Limited. All rights reserved.
> + * Copyright (c) 2019 - 2021, ARM Limited. All rights reserved.
> * Copyright (c) 2018 - 2020, Andrei Warkentin <andrey.warkentin@gmail.com>
> *
> * SPDX-License-Identifier: BSD-2-Clause-Patent
> @@ -12,6 +12,9 @@
> #include <IndustryStandard/Bcm2836.h>
> #include <IndustryStandard/Bcm2836Gpio.h>
> #include <IndustryStandard/RpiMbox.h>
> +#include <IndustryStandard/SerialPortConsoleRedirectionTable.h>
> +#include <IndustryStandard/RpiDebugPort2Table.h>
> +
> #include <Library/AcpiLib.h>
> #include <Library/DebugLib.h>
> #include <Library/DevicePathLib.h>
> @@ -40,6 +43,8 @@ STATIC UINT32 mModelFamily = 0;
> STATIC UINT32 mModelInstalledMB = 0;
>
> STATIC EFI_MAC_ADDRESS mMacAddress;
> +BOOLEAN mUsePl011Uart;
> +BOOLEAN mUseMiniUart;
Turning this into a PCD will make more sense later..
>
> /*
> * The GUID inside Platform/RaspberryPi/RPi3/AcpiTables/AcpiTables.inf and
> @@ -699,6 +704,71 @@ UpdateSdtNameOps (
> }
> }
>
> +//
> +// BTH0._HID.BCM2EA6
> +//
> +#define BTH0_HID_PATTERN_LEN 17
> +
> +//
> +// \_SB.GDV0.URT
> +//
> +#define RESOURCE_SOURCE_PATTERN_LEN 13
> +
> +//
> +// Scan the given namespace table (DSDT/SSDT) for AML NameOps
> +// listed in the NameOpReplace structure. If one is found then
> +// update the value in the table from the specified Pcd
> +//
> +// This allows us to have conditionals in AML controlled
> +// by options in the BDS or detected during firmware bootstrap.
> +// We could extend this concept for strings/etc but due to len
> +// variations its probably easier to encode the strings
> +// in the ASL and pick the correct one based off a variable.
> +//
> +STATIC
> +VOID
> +UpdateDevBth0 (
> + EFI_ACPI_DESCRIPTION_HEADER *AcpiTable
> + )
> +{
> + UINTN Index;
> + CHAR8 Bth0HidPattern[BTH0_HID_PATTERN_LEN] = {0x42, 0x54, 0x48, 0x30, 0x08, 0x5F, 0X48, 0x49, 0x44, 0x0D, 0x42, 0x43, 0x4D, 0x32, 0x45, 0x41, 0x36};
> + CHAR8 ResourceSourcePattern[BTH0_HID_PATTERN_LEN] = {0x5C, 0x5F, 0x53, 0x42, 0x2E, 0x47, 0X44, 0x56, 0x30, 0x2E, 0x55, 0x52, 0x54};
> + BOOLEAN FoundBth0HidPattern;
> + UINT8 *SdtPtr;
> + UINT32 SdtSize;
> +
> + FoundBth0HidPattern = FALSE;
> + SdtSize = AcpiTable->Length;
> +
> + if (SdtSize > 0) {
> + SdtPtr = (UINT8 *)AcpiTable;
> + for (Index = 0; Index < (SdtSize - BTH0_HID_PATTERN_LEN); Index++) {
> + if (!FoundBth0HidPattern) {
> + if (CompareMem (SdtPtr + Index, Bth0HidPattern, BTH0_HID_PATTERN_LEN) == 0) {
> + FoundBth0HidPattern = TRUE;
> + }
> + } else {
> + if (CompareMem (SdtPtr + Index, ResourceSourcePattern, RESOURCE_SOURCE_PATTERN_LEN) == 0) {
> + if (mUsePl011Uart) {
> + //
> + // Since PL011 has been set as Primary UART, set the last char in
> + // ResourceSource string to 'M' (0x4D) so that Mini UART can be used as Secondary UART for BlueTooth.
> + //
> + SdtPtr[Index + RESOURCE_SOURCE_PATTERN_LEN] = 0x4D;
> + } else if (mUseMiniUart) {
> + //
> + // Since Mini UART has been set as Primary UART, set the last char in
> + // ResourceSource string to '0' (0x30) so that PL011 can be used as Secondary UART for BlueTooth.
> + //
> + SdtPtr[Index + RESOURCE_SOURCE_PATTERN_LEN] = 0x30;
> + }
> + break;
> + }
> + }
> + }
> + }
> +}
So, IMHO its better to extend the existing table driven nameop
replacement scheme than create a compeltely custom function here. Part
of that is because we will want to potentially apply some further user
configuration to the DSDT (say customizing the _PSV value), and some of
it is my own bias to keep this generic.
I think there are at least two ways to pull this off, the first is to
use a new NameOp integer tied to mUse???Uart to select the correct
string (similarly to how the emmc is selecting a differing Package()) in
AML. The other choice is to extend the existing UpdateSsdtNameOps to
suport strings. I personally would pick the first choice since it seems
easier.
>
> STATIC
> BOOLEAN
> @@ -770,8 +840,14 @@ HandleDynamicNamespace (
> {
> UINTN Tables;
>
> + EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE *SpcrTable;
> + DBG2_TABLE *Dbg2Table;
> +
> switch (AcpiHeader->Signature) {
> case SIGNATURE_32 ('D', 'S', 'D', 'T'):
> + UpdateDevBth0 (AcpiHeader);
> + return TRUE;
> +
See comment above about prefering a common DSDT/SSDT path.
> case SIGNATURE_32 ('S', 'S', 'D', 'T'):
> for (Tables = 0; SdtTables[Tables].OemTableId; Tables++) {
> if (AcpiHeader->OemTableId == SdtTables[Tables].OemTableId) {
> @@ -779,14 +855,37 @@ HandleDynamicNamespace (
> }
> }
> DEBUG ((DEBUG_ERROR, "Found namespace table not in table list.\n"));
> -
> return FALSE;
> +
> case SIGNATURE_32 ('I', 'O', 'R', 'T'):
> // only enable the IORT on machines with >3G and no limit
> // to avoid problems with rhel/centos and other older OSs
> if (PcdGet32 (PcdRamLimitTo3GB) || !PcdGet32 (PcdRamMoreThan3GB)) {
> return FALSE;
> }
> + return TRUE;
> +
> + case SIGNATURE_32 ('S', 'P', 'C', 'R'):
> + SpcrTable = (EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE *)AcpiHeader;
> + if (mUsePl011Uart && (SpcrTable->InterfaceType == EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_ARM_PL011_UART)) {
> + return TRUE;
> + } else if (mUseMiniUart && (SpcrTable->InterfaceType == EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_BCM2835_UART)) {
> + return TRUE;
> + } else {
> + return FALSE;
> + }
> + return TRUE;
This else/return, return is odd since the second return should be
redundant yet has a differing return.
> +
> + case SIGNATURE_32 ('D', 'B', 'G', '2'):
> + Dbg2Table = (DBG2_TABLE *)AcpiHeader;
> + if (mUsePl011Uart && (Dbg2Table->Dbg2DeviceInfo[0].Dbg2Device.PortSubtype == EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_ARM_PL011_UART)) {
> + return TRUE;
> + } else if (mUseMiniUart && (Dbg2Table->Dbg2DeviceInfo[0].Dbg2Device.PortSubtype == EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_BCM2835_UART)) {
> + return TRUE;
> + } else {
> + return FALSE;
> + }
> + return TRUE;
Same here:
So that said, it might be worth considering if the DBG2/SPCR OemId's are
diffrent that these table could be handled by the same logic handing
enabling/disabling the SSDT's since each table is enabled by a single
true/false value.
> }
>
> return TRUE;
> @@ -803,6 +902,9 @@ ConfigInitialize (
> EFI_STATUS Status;
> EFI_EVENT EndOfDxeEvent;
>
> + mUsePl011Uart = ((MmioRead32(GPIO_BASE_ADDRESS + 4) & 0x0003F000) == 0x00024000);
> + mUseMiniUart = ((MmioRead32(GPIO_BASE_ADDRESS + 4) & 0x0003F000) == 0x00012000);
Is there a case where we don't want at least one of these set?
Thanks again for working on this.
> +
> Status = gBS->LocateProtocol (&gRaspberryPiFirmwareProtocolGuid,
> NULL, (VOID**)&mFwProtocol);
> ASSERT_EFI_ERROR (Status);
> @@ -859,3 +961,4 @@ ConfigInitialize (
>
> return EFI_SUCCESS;
> }
> +
> diff --git a/Platform/RaspberryPi/Include/IndustryStandard/RpiDebugPort2Table.h b/Platform/RaspberryPi/Include/IndustryStandard/RpiDebugPort2Table.h
> new file mode 100644
> index 0000000000..8f7452f97a
> --- /dev/null
> +++ b/Platform/RaspberryPi/Include/IndustryStandard/RpiDebugPort2Table.h
> @@ -0,0 +1,34 @@
> +/** @file
> +
> + Copyright (c) 2021, ARM Limited. All rights reserved.
> +
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> + **/
> +#ifndef __RPI_DEBUG_PORT_2_H__
> +#define __RPI_DEBUG_PORT_2_H__
> +
> +#include <IndustryStandard/DebugPort2Table.h>
> +
> +#define RPI_DBG2_NUM_DEBUG_PORTS 1
> +#define RPI_DBG2_NUMBER_OF_GENERIC_ADDRESS_REGISTERS 1
> +#define RPI_DBG2_NAMESPACESTRING_FIELD_SIZE 15
> +
> +#pragma pack(1)
> +
> +
> +typedef struct {
> + EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT Dbg2Device;
> + EFI_ACPI_6_3_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister;
> + UINT32 AddressSize;
> + UINT8 NameSpaceString[RPI_DBG2_NAMESPACESTRING_FIELD_SIZE];
> +} DBG2_DEBUG_DEVICE_INFORMATION;
> +
> +typedef struct {
> + EFI_ACPI_DEBUG_PORT_2_DESCRIPTION_TABLE Description;
> + DBG2_DEBUG_DEVICE_INFORMATION Dbg2DeviceInfo[RPI_DBG2_NUM_DEBUG_PORTS];
> +} DBG2_TABLE;
> +
> +#pragma pack()
> +#endif //__RPI_DEBUG_PORT_2_H__
> +
> --
> 2.31.0.windows.1
>
prev parent reply other threads:[~2021-03-24 19:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-24 9:45 [PATCH v2 1/2] Platform/RaspberryPi: Dynamically build UARTs info in ACPI Sunny Wang
2021-03-24 9:45 ` [PATCH v2 2/2] Platform/RaspberryPi: Enable Bluetooth and UART in Windows OS Sunny Wang
2021-03-24 19:50 ` Jeremy Linton
2021-03-26 14:33 ` [edk2-devel] " Mario Bălănică
2021-03-24 12:44 ` [PATCH v2 1/2] Platform/RaspberryPi: Dynamically build UARTs info in ACPI Pete Batard
2021-03-24 19:40 ` Jeremy Linton [this message]
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