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      1 /** @file
      2 *
      3 *  Copyright (c) 2011-2012, ARM Limited. All rights reserved.
      4 *
      5 *  This program and the accompanying materials
      6 *  are licensed and made available under the terms and conditions of the BSD License
      7 *  which accompanies this distribution.  The full text of the license may be found at
      8 *  http://opensource.org/licenses/bsd-license.php
      9 *
     10 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     11 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     12 *
     13 **/
     14 
     15 
     16 #ifndef __PL061_GPIO_H__
     17 #define __PL061_GPIO_H__
     18 
     19 #include <Protocol/EmbeddedGpio.h>
     20 
     21 // PL061 GPIO Registers
     22 #define PL061_GPIO_DATA_REG_OFFSET      ((UINTN) 0x000)
     23 #define PL061_GPIO_DATA_REG             0x000
     24 #define PL061_GPIO_DIR_REG              0x400
     25 #define PL061_GPIO_IS_REG               0x404
     26 #define PL061_GPIO_IBE_REG              0x408
     27 #define PL061_GPIO_IEV_REG              0x40C
     28 #define PL061_GPIO_IE_REG               0x410
     29 #define PL061_GPIO_RIS_REG              0x414
     30 #define PL061_GPIO_MIS_REG              0x410
     31 #define PL061_GPIO_IC_REG               0x41C
     32 #define PL061_GPIO_AFSEL_REG            0x420
     33 
     34 #define PL061_GPIO_PERIPH_ID0           0xFE0
     35 #define PL061_GPIO_PERIPH_ID1           0xFE4
     36 #define PL061_GPIO_PERIPH_ID2           0xFE8
     37 #define PL061_GPIO_PERIPH_ID3           0xFEC
     38 
     39 #define PL061_GPIO_PCELL_ID0            0xFF0
     40 #define PL061_GPIO_PCELL_ID1            0xFF4
     41 #define PL061_GPIO_PCELL_ID2            0xFF8
     42 #define PL061_GPIO_PCELL_ID3            0xFFC
     43 
     44 #define PL061_GPIO_PINS                 8
     45 
     46 // All bits low except one bit high, native bit length
     47 #define GPIO_PIN_MASK(Pin)              (1UL << ((UINTN)(Pin)))
     48 
     49 #endif  // __PL061_GPIO_H__
     50