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      1 /** @file
      2 *
      3 *  Copyright (c) 2015, Linaro Ltd. All rights reserved.
      4 *  Copyright (c) 2015, Hisilicon Ltd. All rights reserved.
      5 *
      6 *  This program and the accompanying materials
      7 *  are licensed and made available under the terms and conditions of the BSD License
      8 *  which accompanies this distribution.  The full text of the license may be found at
      9 *  http://opensource.org/licenses/bsd-license.php
     10 *
     11 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     12 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     13 *
     14 **/
     15 
     16 #include <Library/UefiBootServicesTableLib.h>
     17 
     18 #include <Protocol/EmbeddedGpio.h>
     19 
     20 GPIO_CONTROLLER gGpioDevice[]= {
     21   { 0xf8011000, 0, 8 },    // GPIO0
     22   { 0xf8012000, 8, 8 },    // GPIO1
     23   { 0xf8013000, 16, 8 },   // GPIO2
     24   { 0xf8014000, 24, 8 },   // GPIO3
     25   { 0xf7020000, 32, 8 },   // GPIO4
     26   { 0xf7021000, 40, 8 },   // GPIO5
     27   { 0xf7022000, 48, 8 },   // GPIO6
     28   { 0xf7023000, 56, 8 },   // GPIO7
     29   { 0xf7024000, 64, 8 },   // GPIO8
     30   { 0xf7025000, 72, 8 },   // GPIO9
     31   { 0xf7026000, 80, 8 },   // GPIO10
     32   { 0xf7027000, 88, 8 },   // GPIO11
     33   { 0xf7028000, 96, 8 },   // GPIO12
     34   { 0xf7029000, 104, 8 },  // GPIO13
     35   { 0xf702a000, 112, 8 },  // GPIO14
     36   { 0xf702b000, 120, 8 },  // GPIO15
     37   { 0xf702c000, 128, 8 },  // GPIO16
     38   { 0xf702d000, 136, 8 },  // GPIO17
     39   { 0xf702e000, 144, 8 },  // GPIO18
     40   { 0xf702f000, 152, 8 }   // GPIO19
     41 };
     42 
     43 PLATFORM_GPIO_CONTROLLER gPlatformGpioDevice = {
     44   160, 20, gGpioDevice
     45 };
     46 
     47 EFI_STATUS
     48 EFIAPI
     49 HiKeyGpioEntryPoint (
     50   IN EFI_HANDLE         ImageHandle,
     51   IN EFI_SYSTEM_TABLE   *SystemTable
     52   )
     53 {
     54   EFI_STATUS  Status;
     55   EFI_HANDLE  Handle;
     56 
     57   // Install the Embedded Platform GPIO Protocol onto a new handle
     58   Handle = NULL;
     59   Status = gBS->InstallMultipleProtocolInterfaces(
     60                   &Handle,
     61                   &gPlatformGpioProtocolGuid, &gPlatformGpioDevice,
     62                   NULL
     63                  );
     64   if (EFI_ERROR(Status)) {
     65     Status = EFI_OUT_OF_RESOURCES;
     66   }
     67 
     68   return Status;
     69 }
     70