arch/arm/mach-pxa/include/mach/gumstix.h

   1 /*
   2  *  arch/arm/mach-pxa/include/mach/gumstix.h
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 #if !defined(__ASM_ARCH_MFP_PXA27X_H) && !defined(__ASM_ARCH_MFP_PXA25X_H)
  10         #error You need to include either mfp-pxa27x.h or mfp-pxa25x.h
  11 #endif
  12
  13 /* BTRESET - Reset line to Bluetooth module, active low signal. */
  14 #define GPIO_GUMSTIX_BTRESET          7
  15 #define GPIO_GUMSTIX_BTRESET_MD         (GPIO_GUMSTIX_BTRESET | GPIO_OUT)
  16
  17
  18 /*
  19 GPIOn - Input from MAX823 (or equiv), normalizing USB +5V into a clean
  20 interrupt signal for determining cable presence. On the original gumstix,
  21 this is GPIO81, and GPIO83 needs to be defined as well. On the gumstix F,
  22 this moves to GPIO17 and GPIO37. */
  23
  24 /* GPIOx - Connects to USB D+ and used as a pull-up after GPIOn
  25 has detected a cable insertion; driven low otherwise. */
  26
  27 #ifdef CONFIG_ARCH_GUMSTIX_ORIG
  28
  29 #define GPIO_GUMSTIX_USB_GPIOn          81
  30 #define GPIO_GUMSTIX_USB_GPIOx          83
  31
  32 #else
  33
  34 #ifndef CONFIG_MACH_GUMSTIX_VERDEX
  35
  36 #define GPIO_GUMSTIX_USB_GPIOn          35
  37 #define GPIO_GUMSTIX_USB_GPIOx          41
  38
  39 #else
  40
  41 #define GPIO_GUMSTIX_USB_GPIOn          100
  42 #define GPIO_GUMSTIX_USB_GPIOx          27
  43
  44 #endif
  45
  46 #endif
  47
  48 /* usb state change */
  49 #define GUMSTIX_USB_INTR_IRQ            IRQ_GPIO(GPIO_GUMSTIX_USB_GPIOn)
  50
  51 #define GPIO_GUMSTIX_USB_GPIOn_MD       (GPIO_GUMSTIX_USB_GPIOn | GPIO_IN)
  52 #define GPIO_GUMSTIX_USB_GPIOx_CON_MD   (GPIO_GUMSTIX_USB_GPIOx | GPIO_OUT)
  53 #define GPIO_GUMSTIX_USB_GPIOx_DIS_MD   (GPIO_GUMSTIX_USB_GPIOx | GPIO_IN)
  54
  55 /*
  56  * SD/MMC definitions
  57  */
  58 #define GUMSTIX_GPIO_nSD_WP             22 /* SD Write Protect */
  59 #define GUMSTIX_GPIO_nSD_DETECT         11 /* MMC/SD Card Detect */
  60 #define GUMSTIX_IRQ_GPIO_nSD_DETECT     IRQ_GPIO(GUMSTIX_GPIO_nSD_DETECT)
  61
  62 /*
  63  * SMC Ethernet definitions
  64  * ETH_RST provides a hardware reset line to the ethernet chip
  65  * ETH is the IRQ line in from the ethernet chip to the PXA
  66  */
  67 #ifndef CONFIG_MACH_GUMSTIX_VERDEX
  68 #define GPIO_GUMSTIX_ETH0_RST           80
  69 #define GPIO_GUMSTIX_ETH0               36
  70 #else
  71 #define GPIO_GUMSTIX_ETH0_RST           107
  72 #define GPIO_GUMSTIX_ETH0               99
  73 #endif
  74 #define GPIO_GUMSTIX_ETH1_RST           52
  75 #define GPIO_GUMSTIX_ETH1               27
  76
  77 #define GPIO_GUMSTIX_ETH0_RST_MD        (GPIO_GUMSTIX_ETH0_RST | GPIO_OUT)
  78 #define GPIO_GUMSTIX_ETH1_RST_MD        (GPIO_GUMSTIX_ETH1_RST | GPIO_OUT)
  79 #define GPIO_GUMSTIX_ETH0_MD            (GPIO_GUMSTIX_ETH0 | GPIO_IN)
  80 #define GPIO_GUMSTIX_ETH1_MD            (GPIO_GUMSTIX_ETH1 | GPIO_IN)
  81
  82 #define GUMSTIX_ETH0_IRQ                IRQ_GPIO(GPIO_GUMSTIX_ETH0)
  83 #define GUMSTIX_ETH1_IRQ                IRQ_GPIO(GPIO_GUMSTIX_ETH1)
  84
  85 /* CF reset line */
  86 #define GPIO8_CF_RESET                  8
  87 #define GPIO97_CF_RESET                 97
  88 #define GPIO110_CF_RESET                110
  89
  90 #ifndef CONFIG_MACH_GUMSTIX_VERDEX
  91 #define GPIO_GUMSTIX_CF_RESET           GPIO8_CF_RESET
  92 #else
  93 #define GPIO_GUMSTIX_CF_RESET           GPIO97_CF_RESET
  94 #endif
  95
  96 #define GPIO_GUMSTIX_CF_OLD_RESET       GPIO110_CF_RESET
  97
  98 /* CF signals shared by both sockets */
  99 #define GPIO_GUMSTIX_nPOE       48
 100 #define GPIO_GUMSTIX_nPWE       49
 101 #define GPIO_GUMSTIX_nPIOR      50
 102 #define GPIO_GUMSTIX_nPIOW      51
 103
 104 #ifndef CONFIG_MACH_GUMSTIX_VERDEX
 105 #define GPIO_GUMSTIX_nPCE_1     52
 106 #define GPIO_GUMSTIX_nPCE_2     53
 107 #define GPIO_GUMSTIX_pSKTSEL    54
 108 #else
 109 #define GPIO_GUMSTIX_nPCE_1     102
 110 #define GPIO_GUMSTIX_nPCE_2     105
 111 #define GPIO_GUMSTIX_pSKTSEL    79
 112 #endif
 113
 114 #define GPIO_GUMSTIX_nPREG      55
 115 #define GPIO_GUMSTIX_nPWAIT     56
 116 #define GPIO_GUMSTIX_nIOIS16    57
 117
 118 /* Pin mode definitions correspond to mfp-pxa2[57]x.h */
 119 #define GPIO_GUMSTIX_nPOE_MD    GPIO48_nPOE
 120 #define GPIO_GUMSTIX_nPWE_MD    GPIO49_nPWE
 121 #define GPIO_GUMSTIX_nPIOR_MD   GPIO50_nPIOR
 122 #define GPIO_GUMSTIX_nPIOW_MD   GPIO51_nPIOW
 123
 124 #ifndef CONFIG_MACH_GUMSTIX_VERDEX
 125 #define GPIO_GUMSTIX_nPCE_1_MD  GPIO52_nPCE_1
 126 #define GPIO_GUMSTIX_nPCE_2_MD  GPIO53_nPCE_2
 127 #define GPIO_GUMSTIX_pSKTSEL_MD GPIO54_pSKTSEL
 128 #else
 129 #define GPIO_GUMSTIX_nPCE_1_MD  GPIO102_nPCE_1
 130 #define GPIO_GUMSTIX_nPCE_2_MD  GPIO105_nPCE_2
 131 #define GPIO_GUMSTIX_pSKTSEL_MD GPIO79_pSKTSEL
 132 #endif
 133
 134 #define GPIO_GUMSTIX_nPREG_MD   GPIO55_nPREG
 135 #define GPIO_GUMSTIX_nPWAIT_MD  GPIO56_nPWAIT
 136 #define GPIO_GUMSTIX_nIOIS16_MD GPIO57_nIOIS16
 137
 138 /* CF slot 0 */
 139 #define GPIO4_nBVD1_0                   4
 140 #define GPIO4_nSTSCHG_0                 GPIO4_nBVD1_0
 141 #define GPIO11_nCD_0                    11
 142 #define GPIO26_PRDY_nBSY_0              26
 143
 144 #define GPIO111_nBVD1_0                 111
 145 #define GPIO111_nSTSCHG_0               GPIO111_nBVD1_0
 146 #define GPIO104_nCD_0                   104
 147 #define GPIO96_PRDY_nBSY_0              96
 148 #define GPIO109_PRDY_nBSY_0             109
 149
 150 #ifndef CONFIG_MACH_GUMSTIX_VERDEX
 151 #define GPIO_GUMSTIX_nBVD1_0            GPIO4_nBVD1_0
 152 #define GPIO_GUMSTIX_nSTSCHG_0          GPIO4_nSTSCHG_0
 153 #define GPIO_GUMSTIX_nCD_0              GPIO11_nCD_0
 154 #define GPIO_GUMSTIX_PRDY_nBSY_0        GPIO26_PRDY_nBSY_0
 155 #else
 156 #define GPIO_GUMSTIX_nBVD1_0            GPIO111_nBVD1_0
 157 #define GPIO_GUMSTIX_nSTSCHG_0          GPIO111_nSTSCHG_0
 158 #define GPIO_GUMSTIX_nCD_0              GPIO104_nCD_0
 159 #define GPIO_GUMSTIX_PRDY_nBSY_0        GPIO96_PRDY_nBSY_0
 160 #endif
 161
 162 #define GPIO_GUMSTIX_PRDY_nBSY_0_OLD    GPIO109_PRDY_nBSY_0
 163
 164 #define GUMSTIX_S0_nSTSCHG_IRQ          IRQ_GPIO(GPIO_GUMSTIX_nSTSCHG_0)
 165 #define GUMSTIX_S0_nCD_IRQ              IRQ_GPIO(GPIO_GUMSTIX_nCD_0)
 166 #define GUMSTIX_S0_PRDY_nBSY_IRQ        IRQ_GPIO(GPIO_GUMSTIX_PRDY_nBSY_0)
 167 #define GUMSTIX_S0_PRDY_nBSY_OLD_IRQ    IRQ_GPIO(GPIO_GUMSTIX_PRDY_nBSY_0_OLD)
 168
 169 /* CF slot 1 */
 170 #define GPIO18_nBVD1_1                  18
 171 #define GPIO18_nSTSCHG_1                GPIO18_nBVD1_1
 172 #define GPIO36_nCD_1                    36
 173 #define GPIO27_PRDY_nBSY_1              27
 174
 175 #define GPIO_GUMSTIX_nBVD1_1            GPIO18_nBVD1_1
 176 #define GPIO_GUMSTIX_nSTSCHG_1          GPIO18_nSTSCHG_1
 177 #define GPIO_GUMSTIX_nCD_1              GPIO36_nCD_1
 178 #define GPIO_GUMSTIX_PRDY_nBSY_1        GPIO27_PRDY_nBSY_1
 179
 180 #define GUMSTIX_S1_nSTSCHG_IRQ          IRQ_GPIO(GPIO_GUMSTIX_nSTSCHG_1)
 181 #define GUMSTIX_S1_nCD_IRQ              IRQ_GPIO(GPIO_GUMSTIX_nCD_1)
 182 #define GUMSTIX_S1_PRDY_nBSY_IRQ        IRQ_GPIO(GPIO_GUMSTIX_PRDY_nBSY_1)
 183
 184 /* CF GPIO line modes - correspond to mfp-pxa2[57]x.h */
 185 #define GPIO_GUMSTIX_CF_RESET_MD        ( GPIO_GUMSTIX_CF_RESET | GPIO_OUT )
 186 #define GPIO_GUMSTIX_CF_OLD_RESET_MD    ( GPIO_GUMSTIX_CF_OLD_RESET | GPIO_OUT )
 187
 188 #define GPIO_GUMSTIX_nSTSCHG_0_MD       GPIO111_GPIO
 189 #define GPIO_GUMSTIX_nCD_0_MD           GPIO104_GPIO
 190
 191 #define GPIO_GUMSTIX_PRDY_nBSY_0_MD     GPIO96_GPIO
 192 #define GPIO_GUMSTIX_PRDY_nBSY_0_OLD_MD GPIO109_GPIO
 193
 194 #define GPIO_GUMSTIX_nSTSCHG_1_MD       GPIO18_GPIO
 195 #define GPIO_GUMSTIX_nCD_1_MD           GPIO36_GPIO
 196 #define GPIO_GUMSTIX_PRDY_nBSY_1_MD     GPIO27_GPIO
 197
 198 /* for expansion boards that can't be programatically detected */
 199 extern int am200_init(void);
 200 extern int am300_init(void);
 201