[PATCH v2 edk-platforms 1/4] Platform/Hisilicon/HiKey960: add gpio platform driver

[Haojian Zhuang <haojian.zhuang@linaro.org>]

Add gpio platform driver to enable GPIO in HiKey960 platform.

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
---
 Platform/Hisilicon/HiKey960/HiKey960.dsc                        |  1 +
 Platform/Hisilicon/HiKey960/HiKey960.fdf                        |  1 +
 Platform/Hisilicon/HiKey960/HiKey960GpioDxe/HiKey960GpioDxe.inf | 35 +++++++++
 Platform/Hisilicon/HiKey960/HiKey960GpioDxe/HiKey960GpioDxe.c   | 77 ++++++++++++++++++++
 4 files changed, 114 insertions(+)

diff --git a/Platform/Hisilicon/HiKey960/HiKey960.dsc b/Platform/Hisilicon/HiKey960/HiKey960.dsc
index 36f43956ab40..3da1b8556321 100644
--- a/Platform/Hisilicon/HiKey960/HiKey960.dsc
+++ b/Platform/Hisilicon/HiKey960/HiKey960.dsc
@@ -179,6 +179,7 @@ [Components.common]
   #
   # GPIO
   #
+  Platform/Hisilicon/HiKey960/HiKey960GpioDxe/HiKey960GpioDxe.inf
   ArmPlatformPkg/Drivers/PL061GpioDxe/PL061GpioDxe.inf
 
   #
diff --git a/Platform/Hisilicon/HiKey960/HiKey960.fdf b/Platform/Hisilicon/HiKey960/HiKey960.fdf
index 655032a36c53..162dbaaf2646 100644
--- a/Platform/Hisilicon/HiKey960/HiKey960.fdf
+++ b/Platform/Hisilicon/HiKey960/HiKey960.fdf
@@ -120,6 +120,7 @@ [FV.FvMain]
   #
   # GPIO
   #
+  INF Platform/Hisilicon/HiKey960/HiKey960GpioDxe/HiKey960GpioDxe.inf
   INF ArmPlatformPkg/Drivers/PL061GpioDxe/PL061GpioDxe.inf
 
   #
diff --git a/Platform/Hisilicon/HiKey960/HiKey960GpioDxe/HiKey960GpioDxe.inf b/Platform/Hisilicon/HiKey960/HiKey960GpioDxe/HiKey960GpioDxe.inf
new file mode 100644
index 000000000000..a16213f02520
--- /dev/null
+++ b/Platform/Hisilicon/HiKey960/HiKey960GpioDxe/HiKey960GpioDxe.inf
@@ -0,0 +1,35 @@
+#
+#  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                    = 0x00010019
+  BASE_NAME                      = HiKey960GpioDxe
+  FILE_GUID                      = 6aa12592-7e36-4aec-acf8-2ac2fd13815c
+  MODULE_TYPE                    = DXE_DRIVER
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = HiKey960GpioEntryPoint
+
+[Sources]
+  HiKey960GpioDxe.c
+
+[Packages]
+  EmbeddedPkg/EmbeddedPkg.dec
+  MdePkg/MdePkg.dec
+
+[LibraryClasses]
+  UefiDriverEntryPoint
+
+[Protocols]
+  gPlatformGpioProtocolGuid
+
+[Depex]
+  TRUE
diff --git a/Platform/Hisilicon/HiKey960/HiKey960GpioDxe/HiKey960GpioDxe.c b/Platform/Hisilicon/HiKey960/HiKey960GpioDxe/HiKey960GpioDxe.c
new file mode 100644
index 000000000000..986feceea564
--- /dev/null
+++ b/Platform/Hisilicon/HiKey960/HiKey960GpioDxe/HiKey960GpioDxe.c
@@ -0,0 +1,77 @@
+/** @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[]= {
+  { 0xe8a0b000, 0, 8 },    // GPIO0
+  { 0xe8a0c000, 8, 8 },    // GPIO1
+  { 0xe8a0d000, 16, 8 },   // GPIO2
+  { 0xe8a0e000, 24, 8 },   // GPIO3
+  { 0xe8a0f000, 32, 8 },   // GPIO4
+  { 0xe8a10000, 40, 8 },   // GPIO5
+  { 0xe8a11000, 48, 8 },   // GPIO6
+  { 0xe8a12000, 56, 8 },   // GPIO7
+  { 0xe8a13000, 64, 8 },   // GPIO8
+  { 0xe8a14000, 72, 8 },   // GPIO9
+  { 0xe8a15000, 80, 8 },   // GPIO10
+  { 0xe8a16000, 88, 8 },   // GPIO11
+  { 0xe8a17000, 96, 8 },   // GPIO12
+  { 0xe8a18000, 104, 8 },  // GPIO13
+  { 0xe8a19000, 112, 8 },  // GPIO14
+  { 0xe8a1a000, 120, 8 },  // GPIO15
+  { 0xe8a1b000, 128, 8 },  // GPIO16
+  { 0xe8a1c000, 136, 8 },  // GPIO17
+  { 0xff3b4000, 144, 8 },  // GPIO18
+  { 0xff3b5000, 152, 8 },  // GPIO19
+  { 0xe8a1f000, 160, 8 },  // GPIO20
+  { 0xe8a20000, 168, 8 },  // GPIO21
+  { 0xfff0b000, 176, 8 },  // GPIO22
+  { 0xfff0c000, 184, 8 },  // GPIO23
+  { 0xfff0d000, 192, 8 },  // GPIO24
+  { 0xfff0e000, 200, 8 },  // GPIO25
+  { 0xfff0f000, 208, 8 },  // GPIO26
+  { 0xfff10000, 216, 8 },  // GPIO27
+  { 0xfff1d000, 224, 8 },  // GPIO28
+};
+
+PLATFORM_GPIO_CONTROLLER gPlatformGpioDevice = {
+  232, 29, gGpioDevice
+};
+
+EFI_STATUS
+EFIAPI
+HiKey960GpioEntryPoint (
+  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;
+}
-- 
2.7.4