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
  10 /* BTRESET - Reset line to Bluetooth module, active low signal. */
  11 #define GPIO_GUMSTIX_BTRESET          7
  12 #define GPIO_GUMSTIX_BTRESET_MD         (GPIO_GUMSTIX_BTRESET | GPIO_OUT)
  13
  14
  15 /*
  16 GPIOn - Input from MAX823 (or equiv), normalizing USB +5V into a clean
  17 interrupt signal for determining cable presence. On the gumstix F,
  18 this moves to GPIO17 and GPIO37. */
  19
  20 /* GPIOx - Connects to USB D+ and used as a pull-up after GPIOn
  21 has detected a cable insertion; driven low otherwise. */
  22
  23 #define GPIO_GUMSTIX_USB_GPIOn          35
  24 #define GPIO_GUMSTIX_USB_GPIOx          41
  25
  26 /* usb state change */
  27 #define GUMSTIX_USB_INTR_IRQ            IRQ_GPIO(GPIO_GUMSTIX_USB_GPIOn)
  28
  29 #define GPIO_GUMSTIX_USB_GPIOn_MD       (GPIO_GUMSTIX_USB_GPIOn | GPIO_IN)
  30 #define GPIO_GUMSTIX_USB_GPIOx_CON_MD   (GPIO_GUMSTIX_USB_GPIOx | GPIO_OUT)
  31 #define GPIO_GUMSTIX_USB_GPIOx_DIS_MD   (GPIO_GUMSTIX_USB_GPIOx | GPIO_IN)
  32
  33 /*
  34  * SD/MMC definitions
  35  */
  36 #define GUMSTIX_GPIO_nSD_WP             22 /* SD Write Protect */
  37 #define GUMSTIX_GPIO_nSD_DETECT         11 /* MMC/SD Card Detect */
  38 #define GUMSTIX_IRQ_GPIO_nSD_DETECT     IRQ_GPIO(GUMSTIX_GPIO_nSD_DETECT)
  39
  40 /*
  41  * SMC Ethernet definitions
  42  * ETH_RST provides a hardware reset line to the ethernet chip
  43  * ETH is the IRQ line in from the ethernet chip to the PXA
  44  */
  45 #define GPIO_GUMSTIX_ETH0_RST           80
  46 #define GPIO_GUMSTIX_ETH0_RST_MD        (GPIO_GUMSTIX_ETH0_RST | GPIO_OUT)
  47 #define GPIO_GUMSTIX_ETH1_RST           52
  48 #define GPIO_GUMSTIX_ETH1_RST_MD        (GPIO_GUMSTIX_ETH1_RST | GPIO_OUT)
  49
  50 #define GPIO_GUMSTIX_ETH0               36
  51 #define GPIO_GUMSTIX_ETH0_MD            (GPIO_GUMSTIX_ETH0 | GPIO_IN)
  52 #define GUMSTIX_ETH0_IRQ                IRQ_GPIO(GPIO_GUMSTIX_ETH0)
  53 #define GPIO_GUMSTIX_ETH1               27
  54 #define GPIO_GUMSTIX_ETH1_MD            (GPIO_GUMSTIX_ETH1 | GPIO_IN)
  55 #define GUMSTIX_ETH1_IRQ                IRQ_GPIO(GPIO_GUMSTIX_ETH1)
  56
  57
  58 /* CF reset line */
  59 #define GPIO8_RESET                     8
  60
  61 /* CF slot 0 */
  62 #define GPIO4_nBVD1                     4
  63 #define GPIO4_nSTSCHG                   GPIO4_nBVD1
  64 #define GPIO11_nCD                      11
  65 #define GPIO26_PRDY_nBSY                26
  66 #define GUMSTIX_S0_nSTSCHG_IRQ          IRQ_GPIO(GPIO4_nSTSCHG)
  67 #define GUMSTIX_S0_nCD_IRQ              IRQ_GPIO(GPIO11_nCD)
  68 #define GUMSTIX_S0_PRDY_nBSY_IRQ        IRQ_GPIO(GPIO26_PRDY_nBSY)
  69
  70 /* CF slot 1 */
  71 #define GPIO18_nBVD1                    18
  72 #define GPIO18_nSTSCHG                  GPIO18_nBVD1
  73 #define GPIO36_nCD                      36
  74 #define GPIO27_PRDY_nBSY                27
  75 #define GUMSTIX_S1_nSTSCHG_IRQ          IRQ_GPIO(GPIO18_nSTSCHG)
  76 #define GUMSTIX_S1_nCD_IRQ              IRQ_GPIO(GPIO36_nCD)
  77 #define GUMSTIX_S1_PRDY_nBSY_IRQ        IRQ_GPIO(GPIO27_PRDY_nBSY)
  78
  79 /* CF GPIO line modes */
  80 #define GPIO4_nSTSCHG_MD                (GPIO4_nSTSCHG | GPIO_IN)
  81 #define GPIO8_RESET_MD                  (GPIO8_RESET | GPIO_OUT)
  82 #define GPIO11_nCD_MD                   (GPIO11_nCD | GPIO_IN)
  83 #define GPIO18_nSTSCHG_MD               (GPIO18_nSTSCHG | GPIO_IN)
  84 #define GPIO26_PRDY_nBSY_MD             (GPIO26_PRDY_nBSY | GPIO_IN)
  85 #define GPIO27_PRDY_nBSY_MD             (GPIO27_PRDY_nBSY | GPIO_IN)
  86 #define GPIO36_nCD_MD                   (GPIO36_nCD | GPIO_IN)
  87
  88 /* for expansion boards that can't be programatically detected */
  89 extern int am200_init(void);
  90 extern int am300_init(void);
  91