On Fri, Nov 05, 2021 at 18:23:53 +0900, Masami Hiramatsu wrote:
> Add DBG2 table to ACPI tables. The COM1 uart port will be used
> for OS debug, and it is 16550 compatible.
>
> Signed-off-by: Masami Hiramatsu <masami.hirama...@linaro.org>
> ---
> .../Socionext/SynQuacer/AcpiTables/AcpiTables.inf | 1
> Silicon/Socionext/SynQuacer/AcpiTables/Dbg2.aslc | 70
> ++++++++++++++++++++
> 2 files changed, 71 insertions(+)
> create mode 100644 Silicon/Socionext/SynQuacer/AcpiTables/Dbg2.aslc
>
> diff --git a/Silicon/Socionext/SynQuacer/AcpiTables/AcpiTables.inf
> b/Silicon/Socionext/SynQuacer/AcpiTables/AcpiTables.inf
> index 886777a0fa..3023206330 100644
> --- a/Silicon/Socionext/SynQuacer/AcpiTables/AcpiTables.inf
> +++ b/Silicon/Socionext/SynQuacer/AcpiTables/AcpiTables.inf
> @@ -22,6 +22,7 @@
> Dsdt.asl
> Fadt.aslc
> Gtdt.aslc
> + Dbg2.aslc
Please move this before Dsdt.asl, to keep the list alphabetically sorted.
> Iort.aslc
> Madt.aslc
> Mcfg.aslc
> diff --git a/Silicon/Socionext/SynQuacer/AcpiTables/Dbg2.aslc
> b/Silicon/Socionext/SynQuacer/AcpiTables/Dbg2.aslc
> new file mode 100644
> index 0000000000..027b3b658b
> --- /dev/null
> +++ b/Silicon/Socionext/SynQuacer/AcpiTables/Dbg2.aslc
> @@ -0,0 +1,70 @@
> +/** @file
> +* Debug Port Table (DBG2)
> +*
> +* Copyright (c) 2020,2021 Linaro Ltd. All rights reserved.
> +*
> +* SPDX-License-Identifier: BSD-2-Clause-Patent
> +*
> +**/
> +#include <IndustryStandard/Acpi.h>
> +#include <IndustryStandard/DebugPort2Table.h>
> +#include <Library/AcpiLib.h>
> +#include <Library/PcdLib.h>
> +#include <Platform/MemoryMap.h>
> +
> +#include "AcpiTables.h"
> +
> +#pragma pack(1)
> +
> +#define SYNQUACER_UART1_STR { '\\', '_', 'S', 'B', '.', 'C', 'O', 'M', '1',
> 0x00 }
> +#define SQ_GAS32(Address) { EFI_ACPI_5_0_SYSTEM_MEMORY, 32, 0,
> EFI_ACPI_5_0_BYTE, Address }
Use EFI_ACPI_6_3_ consistently?
/
Leif
> +
> +typedef struct {
> + EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT Dbg2Device;
> + EFI_ACPI_6_3_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister;
> + UINT32 AddressSize;
> + UINT8 NameSpaceString[10];
> +} DBG2_DEBUG_DEVICE_INFORMATION;
> +
> +typedef struct {
> + EFI_ACPI_DEBUG_PORT_2_DESCRIPTION_TABLE Description;
> + DBG2_DEBUG_DEVICE_INFORMATION Dbg2DeviceInfo;
> +} DBG2_TABLE;
> +
> +
> +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),
> + 1 /* NumberOfDebugPorts */
> + },
> + {
> + {
> + EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION,
> + sizeof (DBG2_DEBUG_DEVICE_INFORMATION),
> + 1, /*
> NumberofGenericAddressRegisters */
> + 10, /* NameSpaceStringLength */
> + OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, NameSpaceString),
> + 0, /* OemDataLength */
> + 0, /* OemDataOffset */
> + EFI_ACPI_DBG2_PORT_TYPE_SERIAL,
> + EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_16550_WITH_GAS,
> + {EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE},
> + OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, BaseAddressRegister),
> + OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, AddressSize)
> + },
> + SQ_GAS32 (SYNQUACER_UART1_BASE), /* BaseAddressRegister */
> + SYNQUACER_UART1_SIZE, /* AddressSize */
> + SYNQUACER_UART1_STR, /* NameSpaceString */
> + }
> +};
> +
> +#pragma pack()
> +
> +// Reference the table being generated to prevent the optimizer from removing
> +// the data structure from the executable
> +VOID* CONST ReferenceAcpiTable = &Dbg2;
>
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