Add gpio platform driver to enable GPIO in HiKey platform. Cc: Leif Lindholm <leif.lindh...@linaro.org> Cc: Ard Biesheuvel <ard.biesheu...@linaro.org> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Haojian Zhuang <haojian.zhu...@linaro.org> Reviewed-by: Leif Lindholm <leif.lindh...@linaro.org> --- .../Hisilicon/HiKey/HiKeyGpioDxe/HiKeyGpioDxe.c | 74 ++++++++++++++++++++++ .../Hisilicon/HiKey/HiKeyGpioDxe/HiKeyGpioDxe.inf | 36 +++++++++++ 2 files changed, 110 insertions(+) create mode 100644 Platform/Hisilicon/HiKey/HiKeyGpioDxe/HiKeyGpioDxe.c create mode 100644 Platform/Hisilicon/HiKey/HiKeyGpioDxe/HiKeyGpioDxe.inf
diff --git a/Platform/Hisilicon/HiKey/HiKeyGpioDxe/HiKeyGpioDxe.c b/Platform/Hisilicon/HiKey/HiKeyGpioDxe/HiKeyGpioDxe.c new file mode 100644 index 000000000000..be535f8f1903 --- /dev/null +++ b/Platform/Hisilicon/HiKey/HiKeyGpioDxe/HiKeyGpioDxe.c @@ -0,0 +1,74 @@ +/** @file +* +* Copyright (c) 2018, Linaro. 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. +* +**/ + +#include <Library/UefiBootServicesTableLib.h> + +#include <Protocol/EmbeddedGpio.h> + +GPIO_CONTROLLER gGpioDevice[] = { + // + // { base address, gpio index, gpio count } + // + { 0xf8011000, 0, 8 }, // GPIO0 + { 0xf8012000, 8, 8 }, // GPIO1 + { 0xf8013000, 16, 8 }, // GPIO2 + { 0xf8014000, 24, 8 }, // GPIO3 + { 0xf7020000, 32, 8 }, // GPIO4 + { 0xf7021000, 40, 8 }, // GPIO5 + { 0xf7022000, 48, 8 }, // GPIO6 + { 0xf7023000, 56, 8 }, // GPIO7 + { 0xf7024000, 64, 8 }, // GPIO8 + { 0xf7025000, 72, 8 }, // GPIO9 + { 0xf7026000, 80, 8 }, // GPIO10 + { 0xf7027000, 88, 8 }, // GPIO11 + { 0xf7028000, 96, 8 }, // GPIO12 + { 0xf7029000, 104, 8 }, // GPIO13 + { 0xf702a000, 112, 8 }, // GPIO14 + { 0xf702b000, 120, 8 }, // GPIO15 + { 0xf702c000, 128, 8 }, // GPIO16 + { 0xf702d000, 136, 8 }, // GPIO17 + { 0xf702e000, 144, 8 }, // GPIO18 + { 0xf702f000, 152, 8 } // GPIO19 +}; + +PLATFORM_GPIO_CONTROLLER gPlatformGpioDevice = { + // + // { global gpio count, gpio controller counter, GPIO_CONTROLLER } + // + 160, 20, gGpioDevice +}; + +EFI_STATUS +EFIAPI +HiKeyGpioEntryPoint ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + EFI_HANDLE Handle; + + // Install the Embedded Platform GPIO Protocol onto a new handle + Handle = NULL; + Status = gBS->InstallMultipleProtocolInterfaces( + &Handle, + &gPlatformGpioProtocolGuid, &gPlatformGpioDevice, + NULL + ); + if (EFI_ERROR(Status)) { + Status = EFI_OUT_OF_RESOURCES; + } + + return Status; +} diff --git a/Platform/Hisilicon/HiKey/HiKeyGpioDxe/HiKeyGpioDxe.inf b/Platform/Hisilicon/HiKey/HiKeyGpioDxe/HiKeyGpioDxe.inf new file mode 100644 index 000000000000..2791b9f44cad --- /dev/null +++ b/Platform/Hisilicon/HiKey/HiKeyGpioDxe/HiKeyGpioDxe.inf @@ -0,0 +1,36 @@ +# +# Copyright (c) 2018, Linaro. 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] + INF_VERSION = 0x0001001a + BASE_NAME = HiKeyGpio + FILE_GUID = b51a851c-7bf7-463f-b261-cfb158b7f699 + MODULE_TYPE = DXE_DRIVER + VERSION_STRING = 1.0 + ENTRY_POINT = HiKeyGpioEntryPoint + +[Sources.common] + HiKeyGpioDxe.c + +[Packages] + EmbeddedPkg/EmbeddedPkg.dec + MdePkg/MdePkg.dec + +[LibraryClasses] + DebugLib + UefiDriverEntryPoint + +[Protocols] + gPlatformGpioProtocolGuid + +[Depex] + TRUE -- 2.7.4 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
