kernel/2.6.29.6-aldebaran-rt/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 original gumstix,
  18 this is GPIO81, and GPIO83 needs to be defined as well. On the gumstix F,
  19 this moves to GPIO17 and GPIO37. */
  20
  21 /* GPIOx - Connects to USB D+ and used as a pull-up after GPIOn
  22 has detected a cable insertion; driven low otherwise. */
  23
  24 #ifdef CONFIG_ARCH_GUMSTIX_ORIG
  25
  26 #define GPIO_GUMSTIX_USB_GPIOn          81
  27 #define GPIO_GUMSTIX_USB_GPIOx          83
  28
  29 #else
  30
  31 #define GPIO_GUMSTIX_USB_GPIOn          35
  32 #define GPIO_GUMSTIX_USB_GPIOx          41
  33
  34 #endif
  35
  36 /* usb state change */
  37 #define GUMSTIX_USB_INTR_IRQ            IRQ_GPIO(GPIO_GUMSTIX_USB_GPIOn)
  38
  39 #define GPIO_GUMSTIX_USB_GPIOn_MD       (GPIO_GUMSTIX_USB_GPIOn | GPIO_IN)
  40 #define GPIO_GUMSTIX_USB_GPIOx_CON_MD   (GPIO_GUMSTIX_USB_GPIOx | GPIO_OUT)
  41 #define GPIO_GUMSTIX_USB_GPIOx_DIS_MD   (GPIO_GUMSTIX_USB_GPIOx | GPIO_IN)
  42
  43 /*
  44  * SD/MMC definitions
  45  */
  46 #define GUMSTIX_GPIO_nSD_WP             22 /* SD Write Protect */
  47 #define GUMSTIX_GPIO_nSD_DETECT         11 /* MMC/SD Card Detect */
  48 #define GUMSTIX_IRQ_GPIO_nSD_DETECT     IRQ_GPIO(GUMSTIX_GPIO_nSD_DETECT)
  49
  50 /*
  51  * SMC Ethernet definitions
  52  * ETH_RST provides a hardware reset line to the ethernet chip
  53  * ETH is the IRQ line in from the ethernet chip to the PXA
  54  */
  55 #define GPIO_GUMSTIX_ETH0_RST           80
  56 #define GPIO_GUMSTIX_ETH0_RST_MD        (GPIO_GUMSTIX_ETH0_RST | GPIO_OUT)
  57 #define GPIO_GUMSTIX_ETH1_RST           52
  58 #define GPIO_GUMSTIX_ETH1_RST_MD        (GPIO_GUMSTIX_ETH1_RST | GPIO_OUT)
  59
  60 #define GPIO_GUMSTIX_ETH0               36
  61 #define GPIO_GUMSTIX_ETH0_MD            (GPIO_GUMSTIX_ETH0 | GPIO_IN)
  62 #define GUMSTIX_ETH0_IRQ                IRQ_GPIO(GPIO_GUMSTIX_ETH0)
  63 #define GPIO_GUMSTIX_ETH1               27
  64 #define GPIO_GUMSTIX_ETH1_MD            (GPIO_GUMSTIX_ETH1 | GPIO_IN)
  65 #define GUMSTIX_ETH1_IRQ                IRQ_GPIO(GPIO_GUMSTIX_ETH1)
  66
  67
  68 /* CF reset line */
  69 #define GPIO8_RESET                     8
  70
  71 /* CF slot 0 */
  72 #define GPIO4_nBVD1                     4
  73 #define GPIO4_nSTSCHG                   GPIO4_nBVD1
  74 #define GPIO11_nCD                      11
  75 #define GPIO26_PRDY_nBSY                26
  76 #define GUMSTIX_S0_nSTSCHG_IRQ          IRQ_GPIO(GPIO4_nSTSCHG)
  77 #define GUMSTIX_S0_nCD_IRQ              IRQ_GPIO(GPIO11_nCD)
  78 #define GUMSTIX_S0_PRDY_nBSY_IRQ        IRQ_GPIO(GPIO26_PRDY_nBSY)
  79
  80 /* CF slot 1 */
  81 #define GPIO18_nBVD1                    18
  82 #define GPIO18_nSTSCHG                  GPIO18_nBVD1
  83 #define GPIO36_nCD                      36
  84 #define GPIO27_PRDY_nBSY                27
  85 #define GUMSTIX_S1_nSTSCHG_IRQ          IRQ_GPIO(GPIO18_nSTSCHG)
  86 #define GUMSTIX_S1_nCD_IRQ              IRQ_GPIO(GPIO36_nCD)
  87 #define GUMSTIX_S1_PRDY_nBSY_IRQ        IRQ_GPIO(GPIO27_PRDY_nBSY)
  88
  89 /* CF GPIO line modes */
  90 #define GPIO4_nSTSCHG_MD                (GPIO4_nSTSCHG | GPIO_IN)
  91 #define GPIO8_RESET_MD                  (GPIO8_RESET | GPIO_OUT)
  92 #define GPIO11_nCD_MD                   (GPIO11_nCD | GPIO_IN)
  93 #define GPIO18_nSTSCHG_MD               (GPIO18_nSTSCHG | GPIO_IN)
  94 #define GPIO26_PRDY_nBSY_MD             (GPIO26_PRDY_nBSY | GPIO_IN)
  95 #define GPIO27_PRDY_nBSY_MD             (GPIO27_PRDY_nBSY | GPIO_IN)
  96 #define GPIO36_nCD_MD                   (GPIO36_nCD | GPIO_IN)
  97
  98 /* for expansion boards that can't be programatically detected */
  99 extern int am200_init(void);
 100