On 22 February 2018 at 13:15, Leif Lindholm <leif.lindh...@linaro.org> wrote:
> On Tue, Feb 20, 2018 at 05:49:39PM +0000, Ard Biesheuvel wrote:
>> Introduce the mezzanine protocol and the 96boards package defining
>> the PCDs and GUIDs that may be used by implementations of the
>> protocol.
>
> This looks really good. Comments below are all style related.
>
>> Contributed-under: TianoCore Contribution Agreement 1.1
>> Signed-off-by: Ard Biesheuvel <ard.biesheu...@linaro.org>
>> ---
>>  Platform/NinetySixBoards/Include/Protocol/Mezzanine.h | 71 
>> ++++++++++++++++++++
>>  Platform/NinetySixBoards/NinetySixBoards.dec          | 67 
>> ++++++++++++++++++
>
> Why NinetySixBoards? Is 96Boards ENOTENOUGHCAMEL?
>

That is what I started out with, but having CPP macros and lots of VFR
identifiers and other bits and pieces using leading digits was making
me nervous about whether it is supported in all configurations, so I
bit the bullet and renamed everything.


>>  2 files changed, 138 insertions(+)
>>
>> diff --git a/Platform/NinetySixBoards/Include/Protocol/Mezzanine.h 
>> b/Platform/NinetySixBoards/Include/Protocol/Mezzanine.h
>> new file mode 100644
>> index 000000000000..7869ea979b48
>> --- /dev/null
>> +++ b/Platform/NinetySixBoards/Include/Protocol/Mezzanine.h
>> @@ -0,0 +1,71 @@
>> +/** @file
>> +
>> +  Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>
>> +
>> +  This program and the accompanying materials are licensed and made 
>> available
>> +  under the terms and conditions of the BSD License which accompanies this
>> +  distribution. The full text of the license may be found at
>> +  http://opensource.org/licenses/bsd-license.php
>> +
>> +  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
>> +  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR 
>> IMPLIED.
>> +
>> +**/
>> +
>> +#ifndef _MEZZANINE_H_
>> +#define _MEZZANINE_H_
>
> Maybe do the fulle _96BOARDS_MEZZANINE_H_?
>

Sure

>> +
>> +#include <Pi/PiI2c.h>
>> +#include <Protocol/SpiConfiguration.h>
>> +
>> +#define MEZZANINE_PROTOCOL_GUID \
>> +  { 0xf0467a37, 0x3436, 0x40ef, { 0x94, 0x09, 0x4d, 0x1d, 0x7f, 0x51, 0x06, 
>> 0xd3 } }
>> +
>> +typedef struct _MEZZANINE_PROTOCOL MEZZANINE_PROTOCOL;
>> +
>> +/**
>> +  Apply the mezzanine's DT overlay
>> +
>> +  @param[in]      This      Pointer to the MEZZANINE_PROTOCOL instance.
>> +  @param[in,out]  Dtb       Pointer to the device tree blob
>> +
>> +  @return   EFI_SUCCESS     Operation succeeded.
>> +  @return   other           An error has occurred.
>> +**/
>> +typedef
>> +EFI_STATUS
>> +(EFIAPI *APPLY_DEVICE_TREE_OVERLAY) (
>> +  IN      MEZZANINE_PROTOCOL    *This,
>> +  IN  OUT VOID                  *Dtb
>> +  );
>> +
>> +struct _MEZZANINE_PROTOCOL {
>> +  //
>> +  // Get the device tree overlay for this mezzanine board
>> +  //
>> +  APPLY_DEVICE_TREE_OVERLAY   ApplyDeviceTreeOverlay;
>> +  //
>> +  // The number of devices on LS connector I2C bus #0
>> +  //
>> +  UINT32                      I2c0NumDevices;
>> +  //
>> +  // The number of devices on LS connector I2C bus #1
>> +  //
>> +  UINT32                      I2c1NumDevices;
>> +  //
>> +  // Linear array of I2C devices on LS connector bus #0
>> +  //
>> +  CONST EFI_I2C_DEVICE        *I2c0DeviceArray;
>> +  //
>> +  // Linear array of I2C devices on LS connector bus #0
>> +  //
>> +  CONST EFI_I2C_DEVICE        *I2c1DeviceArray;
>> +  //
>> +  // NULL terminated linked list of SPI devices attached to the LS connector
>> +  //
>> +  CONST EFI_SPI_PERIPHERAL    *SpiDeviceLinkedList;
>> +};
>> +
>> +extern EFI_GUID gNinetySixBoardsMezzanineProtocolGuid;
>> +
>> +#endif // _MEZZANINE_H_
>> diff --git a/Platform/NinetySixBoards/NinetySixBoards.dec 
>> b/Platform/NinetySixBoards/NinetySixBoards.dec
>> new file mode 100644
>> index 000000000000..f7e2b01459d7
>> --- /dev/null
>> +++ b/Platform/NinetySixBoards/NinetySixBoards.dec
>> @@ -0,0 +1,67 @@
>> +## @file
>> +#
>> +#  Copyright (c) 2018, Linaro Ltd. All rights reserved.
>> +#
>> +#  This program and the accompanying materials
>> +#  are licensed and made available under the terms and conditions of the 
>> BSD License
>> +#  which accompanies this distribution.  The full text of the license may 
>> be found at
>> +#  http://opensource.org/licenses/bsd-license.php
>> +#
>> +#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
>> +#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR 
>> IMPLIED.
>> +#
>> +##
>> +
>> +[Defines]
>> +  DEC_SPECIFICATION              = 0x0001001A
>> +  PACKAGE_NAME                   = NinetySixBoards
>> +  PACKAGE_GUID                   = ce4a4683-6e2d-4ec3-bc11-974289a09ab0
>> +  PACKAGE_VERSION                = 0.1
>> +
>> +[Includes]
>> +  Include
>> +
>> +[Protocols]
>> +  ## Include/Protocol/Mezzanine.h
>> +  gNinetySixBoardsMezzanineProtocolGuid = { 0xf0467a37, 0x3436, 0x40ef, { 
>> 0x94, 0x09, 0x4d, 0x1d, 0x7f, 0x51, 0x06, 0xd3 } }
>> +
>> +[Guids]
>> +  # PCD scope GUID
>> +  gNinetySixBoardsTokenSpaceGuid = { 0xe0d2f33a, 0xb7dd, 0x4a69, { 0xb6, 
>> 0x76, 0xda, 0xe8, 0xa4, 0x17, 0xa7, 0xb5 } }
>> +
>> +  # GUIDs to be installed as protocols to identify which controller 
>> connects to which bus
>> +  gNinetySixBoardsI2c0MasterGuid = { 0xba10e402, 0xcfdd, 0x4b87, { 0xbd, 
>> 0x02, 0x6e, 0x26, 0x9f, 0x01, 0x94, 0x11 } }
>> +  gNinetySixBoardsI2c1MasterGuid = { 0xcf64ac46, 0xd0be, 0x4a69, { 0x90, 
>> 0xa2, 0xf2, 0x82, 0x5b, 0x92, 0x25, 0x61 } }
>> +  gNinetySixBoardsSpiMasterGuid = { 0x9703fd99, 0xe638, 0x42b8, { 0xab, 
>> 0x81, 0x52, 0x61, 0x1b, 0xf7, 0xf7, 0x5d } }
>> +
>> +[PcdsFixedAtBuild]
>> +  # ASCII DT paths to the I2C parent nodes of the 96boards LS connector
>> +  gNinetySixBoardsTokenSpaceGuid.PcdI2c0Parent|""|VOID*|0x00000001
>> +  gNinetySixBoardsTokenSpaceGuid.PcdI2c1Parent|""|VOID*|0x00000002
>> +
>> +  # I2C bus frequency in Hertz
>> +  gNinetySixBoardsTokenSpaceGuid.PcdI2c0BusFrequencyHz|0|UINT32|0x00000003
>> +  gNinetySixBoardsTokenSpaceGuid.PcdI2c1BusFrequencyHz|0|UINT32|0x00000004
>> +
>> +  # ASCII DT path to the SPI parent node of the 96boards LS connector
>> +  gNinetySixBoardsTokenSpaceGuid.PcdSpiParent|""|VOID*|0x00000005
>> +
>> +  # ASCII DT path to the GPIO parent node of the 96boards LS connector
>> +  gNinetySixBoardsTokenSpaceGuid.PcdGpioParent|""|VOID*|0x00000006
>> +
>> +  # Polarity of the 96boards LS connector GPIOs (0 == GPIO_ACTIVE_HIGH, 1 
>> == GPIO_ACTIVE_LOW)
>> +  gNinetySixBoardsTokenSpaceGuid.PcdGpioPolarity|0|UINT32|0x00000007
>> +
>> +  # Pin numbers of the 96boards LS connector GPIOs
>> +  gNinetySixBoardsTokenSpaceGuid.PcdGpioPinA|0|UINT32|0x00000010
>> +  gNinetySixBoardsTokenSpaceGuid.PcdGpioPinB|0|UINT32|0x00000011
>> +  gNinetySixBoardsTokenSpaceGuid.PcdGpioPinC|0|UINT32|0x00000012
>> +  gNinetySixBoardsTokenSpaceGuid.PcdGpioPinD|0|UINT32|0x00000013
>> +  gNinetySixBoardsTokenSpaceGuid.PcdGpioPinE|0|UINT32|0x00000014
>> +  gNinetySixBoardsTokenSpaceGuid.PcdGpioPinF|0|UINT32|0x00000015
>> +  gNinetySixBoardsTokenSpaceGuid.PcdGpioPinG|0|UINT32|0x00000016
>> +  gNinetySixBoardsTokenSpaceGuid.PcdGpioPinH|0|UINT32|0x00000017
>> +  gNinetySixBoardsTokenSpaceGuid.PcdGpioPinI|0|UINT32|0x00000018
>> +  gNinetySixBoardsTokenSpaceGuid.PcdGpioPinJ|0|UINT32|0x00000019
>> +  gNinetySixBoardsTokenSpaceGuid.PcdGpioPinK|0|UINT32|0x0000001A
>> +  gNinetySixBoardsTokenSpaceGuid.PcdGpioPinL|0|UINT32|0x0000001B
>> --
>> 2.11.0
>>
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