target/linux/rb532-2.6/files/include/asm-mips/rc32434/gpio.h

   1 #ifndef __IDT_GPIO_H__
   2 #define __IDT_GPIO_H__
   3
   4 /*******************************************************************************
   5  *
   6  * Copyright 2002 Integrated Device Technology, Inc.
   7  *              All rights reserved.
   8  *
   9  * GPIO register definition.
  10  *
  11  * File   : $Id: gpio.h,v 1.2 2002/06/06 18:34:04 astichte Exp $
  12  *
  13  * Author : ryan.holmQVist@idt.com
  14  * Date   : 20011005
  15  * Update :
  16  *          $Log: gpio.h,v $
  17  *          Revision 1.2  2002/06/06 18:34:04  astichte
  18  *          Added XXX_PhysicalAddress and XXX_VirtualAddress
  19  *
  20  *          Revision 1.1  2002/05/29 17:33:22  sysarch
  21  *          jba File moved from vcode/include/idt/acacia
  22  *
  23  *
  24  ******************************************************************************/
  25
  26 enum
  27 {
  28         GPIO0_PhysicalAddress   = 0x18050000,
  29         GPIO_PhysicalAddress    = GPIO0_PhysicalAddress,        // Default
  30
  31         GPIO0_VirtualAddress    = 0xb8050000,
  32         GPIO_VirtualAddress     = GPIO0_VirtualAddress,         // Default
  33 } ;
  34
  35 typedef struct
  36 {
  37         u32   gpiofunc;   /* GPIO Function Register
  38                            * gpiofunc[x]==0 bit = gpio
  39                            * func[x]==1  bit = altfunc
  40                            */
  41         u32   gpiocfg;    /* GPIO Configuration Register
  42                            * gpiocfg[x]==0 bit = input
  43                            * gpiocfg[x]==1 bit = output
  44                            */
  45         u32   gpiod;      /* GPIO Data Register
  46                            * gpiod[x] read/write gpio pinX status
  47                            */
  48         u32   gpioilevel; /* GPIO Interrupt Status Register
  49                            * interrupt level (see gpioistat)
  50                            */
  51         u32   gpioistat;  /* Gpio Interrupt Status Register
  52                            * istat[x] = (gpiod[x] == level[x])
  53                            * cleared in ISR (STICKY bits)
  54                            */
  55         u32   gpionmien;  /* GPIO Non-maskable Interrupt Enable Register */
  56 } volatile * GPIO_t ;
  57
  58 typedef enum
  59 {
  60         GPIO_gpio_v             = 0,            // gpiofunc use pin as GPIO.
  61         GPIO_alt_v              = 1,            // gpiofunc use pin as alt.
  62         GPIO_input_v            = 0,            // gpiocfg use pin as input.
  63         GPIO_output_v           = 1,            // gpiocfg use pin as output.
  64         GPIO_pin0_b             = 0,
  65         GPIO_pin0_m             = 0x00000001,
  66         GPIO_pin1_b             = 1,
  67         GPIO_pin1_m             = 0x00000002,
  68         GPIO_pin2_b             = 2,
  69         GPIO_pin2_m             = 0x00000004,
  70         GPIO_pin3_b             = 3,
  71         GPIO_pin3_m             = 0x00000008,
  72         GPIO_pin4_b             = 4,
  73         GPIO_pin4_m             = 0x00000010,
  74         GPIO_pin5_b             = 5,
  75         GPIO_pin5_m             = 0x00000020,
  76         GPIO_pin6_b             = 6,
  77         GPIO_pin6_m             = 0x00000040,
  78         GPIO_pin7_b             = 7,
  79         GPIO_pin7_m             = 0x00000080,
  80         GPIO_pin8_b             = 8,
  81         GPIO_pin8_m             = 0x00000100,
  82         GPIO_pin9_b             = 9,
  83         GPIO_pin9_m             = 0x00000200,
  84         GPIO_pin10_b            = 10,
  85         GPIO_pin10_m            = 0x00000400,
  86         GPIO_pin11_b            = 11,
  87         GPIO_pin11_m            = 0x00000800,
  88         GPIO_pin12_b            = 12,
  89         GPIO_pin12_m            = 0x00001000,
  90         GPIO_pin13_b            = 13,
  91         GPIO_pin13_m            = 0x00002000,
  92         GPIO_pin14_b            = 14,
  93         GPIO_pin14_m            = 0x00004000,
  94         GPIO_pin15_b            = 15,
  95         GPIO_pin15_m            = 0x00008000,
  96         GPIO_pin16_b            = 16,
  97         GPIO_pin16_m            = 0x00010000,
  98         GPIO_pin17_b            = 17,
  99         GPIO_pin17_m            = 0x00020000,
 100         GPIO_pin18_b            = 18,
 101         GPIO_pin18_m            = 0x00040000,
 102         GPIO_pin19_b            = 19,
 103         GPIO_pin19_m            = 0x00080000,
 104         GPIO_pin20_b            = 20,
 105         GPIO_pin20_m            = 0x00100000,
 106         GPIO_pin21_b            = 21,
 107         GPIO_pin21_m            = 0x00200000,
 108         GPIO_pin22_b            = 22,
 109         GPIO_pin22_m            = 0x00400000,
 110         GPIO_pin23_b            = 23,
 111         GPIO_pin23_m            = 0x00800000,
 112         GPIO_pin24_b            = 24,
 113         GPIO_pin24_m            = 0x01000000,
 114         GPIO_pin25_b            = 25,
 115         GPIO_pin25_m            = 0x02000000,
 116         GPIO_pin26_b            = 26,
 117         GPIO_pin26_m            = 0x04000000,
 118         GPIO_pin27_b            = 27,
 119         GPIO_pin27_m            = 0x08000000,
 120         GPIO_pin28_b            = 28,
 121         GPIO_pin28_m            = 0x10000000,
 122         GPIO_pin29_b            = 29,
 123         GPIO_pin29_m            = 0x20000000,
 124         GPIO_pin30_b            = 30,
 125         GPIO_pin30_m            = 0x40000000,
 126         GPIO_pin31_b            = 31,
 127         GPIO_pin31_m            = 0x80000000,
 128
 129 // Alternate function pins.  Corrsponding gpiofunc bit set to GPIO_alt_v.
 130
 131         GPIO_u0sout_b           = GPIO_pin0_b,          // UART 0 serial out.
 132         GPIO_u0sout_m           = GPIO_pin0_m,
 133                 GPIO_u0sout_cfg_v       = GPIO_output_v,
 134         GPIO_u0sinp_b   = GPIO_pin1_b,                  // UART 0 serial in.
 135         GPIO_u0sinp_m   = GPIO_pin1_m,
 136                 GPIO_u0sinp_cfg_v       = GPIO_input_v,
 137         GPIO_u0rtsn_b   = GPIO_pin2_b,                  // UART 0 req. to send.
 138         GPIO_u0rtsn_m   = GPIO_pin2_m,
 139                 GPIO_u0rtsn_cfg_v       = GPIO_output_v,
 140         GPIO_u0ctsn_b   = GPIO_pin3_b,                  // UART 0 clear to send.
 141         GPIO_u0ctsn_m   = GPIO_pin3_m,
 142                 GPIO_u0ctsn_cfg_v       = GPIO_input_v,
 143         GPIO_maddr22_b          = GPIO_pin4_b,  // M&P bus bit 22.
 144         GPIO_maddr22_m          = GPIO_pin4_m,
 145                 GPIO_maddr22_cfg_v      = GPIO_output_v,
 146
 147         GPIO_maddr23_b          = GPIO_pin5_b,  // M&P bus bit 23.
 148         GPIO_maddr23_m          = GPIO_pin5_m,
 149                 GPIO_maddr23_cfg_v      = GPIO_output_v,
 150
 151         GPIO_maddr24_b          = GPIO_pin6_b,  // M&P bus bit 24.
 152         GPIO_maddr24_m          = GPIO_pin6_m,
 153                 GPIO_maddr24_cfg_v      = GPIO_output_v,
 154
 155         GPIO_maddr25_b          = GPIO_pin7_b,  // M&P bus bit 25.
 156         GPIO_maddr25_m          = GPIO_pin7_m,
 157                 GPIO_maddr25_cfg_v      = GPIO_output_v,
 158
 159         GPIO_cpu_b              = GPIO_pin8_b,  // M&P bus bit 25.
 160         GPIO_cpu_m              = GPIO_pin8_m,
 161                 GPIO_cpu_cfg_v  = GPIO_output_v,
 162         GPIO_afspare6_b         = GPIO_pin9_b,  // reserved.
 163         GPIO_afspare6_m         = GPIO_pin9_m,
 164                 GPIO_afspare6_cfg_v     = GPIO_input_v,
 165         GPIO_afspare4_b         = GPIO_pin10_b,         // reserved.
 166         GPIO_afspare4_m         = GPIO_pin10_m,
 167                 GPIO_afspare4_cfg_v     = GPIO_input_v,
 168         GPIO_afspare3_b         = GPIO_pin11_b,         // reserved.
 169         GPIO_afspare3_m         = GPIO_pin11_m,
 170                 GPIO_afspare3_cfg_v     = GPIO_input_v,
 171         GPIO_afspare2_b         = GPIO_pin12_b,         // reserved.
 172         GPIO_afspare2_m         = GPIO_pin12_m,
 173                 GPIO_afspare2_cfg_v     = GPIO_input_v,
 174         GPIO_pcimuintn_b        = GPIO_pin13_b,         // PCI messaging int.
 175         GPIO_pcimuintn_m        = GPIO_pin13_m,
 176                 GPIO_pcimuintn_cfg_v    = GPIO_output_v,
 177
 178 } GPIO_DEFS_t;
 179
 180 #endif  // __IDT_GPIO_H__
 181