arch/arm/mach-pxa/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 #include <mach/irqs.h> /* PXA_GPIO_TO_IRQ */
  10
  11 /* BTRESET - Reset line to Bluetooth module, active low signal. */
  12 #define GPIO_GUMSTIX_BTRESET          7
  13 #define GPIO_GUMSTIX_BTRESET_MD         (GPIO_GUMSTIX_BTRESET | GPIO_OUT)
  14
  15
  16 /*
  17 GPIOn - Input from MAX823 (or equiv), normalizing USB +5V into a clean
  18 interrupt signal for determining cable presence. 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 #define GPIO_GUMSTIX_USB_GPIOn          35
  25 #define GPIO_GUMSTIX_USB_GPIOx          41
  26
  27 /* usb state change */
  28 #define GUMSTIX_USB_INTR_IRQ            PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_USB_GPIOn)
  29
  30 #define GPIO_GUMSTIX_USB_GPIOn_MD       (GPIO_GUMSTIX_USB_GPIOn | GPIO_IN)
  31 #define GPIO_GUMSTIX_USB_GPIOx_CON_MD   (GPIO_GUMSTIX_USB_GPIOx | GPIO_OUT)
  32 #define GPIO_GUMSTIX_USB_GPIOx_DIS_MD   (GPIO_GUMSTIX_USB_GPIOx | GPIO_IN)
  33
  34 /*
  35  * SD/MMC definitions
  36  */
  37 #define GUMSTIX_GPIO_nSD_WP             22 /* SD Write Protect */
  38 #define GUMSTIX_GPIO_nSD_DETECT         11 /* MMC/SD Card Detect */
  39 #define GUMSTIX_IRQ_GPIO_nSD_DETECT     PXA_GPIO_TO_IRQ(GUMSTIX_GPIO_nSD_DETECT)
  40
  41 /*
  42  * SMC Ethernet definitions
  43  * ETH_RST provides a hardware reset line to the ethernet chip
  44  * ETH is the IRQ line in from the ethernet chip to the PXA
  45  */
  46 #define GPIO_GUMSTIX_ETH0_RST           80
  47 #define GPIO_GUMSTIX_ETH0_RST_MD        (GPIO_GUMSTIX_ETH0_RST | GPIO_OUT)
  48 #define GPIO_GUMSTIX_ETH1_RST           52
  49 #define GPIO_GUMSTIX_ETH1_RST_MD        (GPIO_GUMSTIX_ETH1_RST | GPIO_OUT)
  50
  51 #define GPIO_GUMSTIX_ETH0               36
  52 #define GPIO_GUMSTIX_ETH0_MD            (GPIO_GUMSTIX_ETH0 | GPIO_IN)
  53 #define GUMSTIX_ETH0_IRQ                PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_ETH0)
  54 #define GPIO_GUMSTIX_ETH1               27
  55 #define GPIO_GUMSTIX_ETH1_MD            (GPIO_GUMSTIX_ETH1 | GPIO_IN)
  56 #define GUMSTIX_ETH1_IRQ                PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_ETH1)
  57
  58
  59 /* CF reset line */
  60 #define GPIO8_RESET                     8
  61
  62 /* CF slot 0 */
  63 #define GPIO4_nBVD1                     4
  64 #define GPIO4_nSTSCHG                   GPIO4_nBVD1
  65 #define GPIO11_nCD                      11
  66 #define GPIO26_PRDY_nBSY                26
  67 #define GUMSTIX_S0_nSTSCHG_IRQ          PXA_GPIO_TO_IRQ(GPIO4_nSTSCHG)
  68 #define GUMSTIX_S0_nCD_IRQ              PXA_GPIO_TO_IRQ(GPIO11_nCD)
  69 #define GUMSTIX_S0_PRDY_nBSY_IRQ        PXA_GPIO_TO_IRQ(GPIO26_PRDY_nBSY)
  70
  71 /* CF slot 1 */
  72 #define GPIO18_nBVD1                    18
  73 #define GPIO18_nSTSCHG                  GPIO18_nBVD1
  74 #define GPIO36_nCD                      36
  75 #define GPIO27_PRDY_nBSY                27
  76 #define GUMSTIX_S1_nSTSCHG_IRQ          PXA_GPIO_TO_IRQ(GPIO18_nSTSCHG)
  77 #define GUMSTIX_S1_nCD_IRQ              PXA_GPIO_TO_IRQ(GPIO36_nCD)
  78 #define GUMSTIX_S1_PRDY_nBSY_IRQ        PXA_GPIO_TO_IRQ(GPIO27_PRDY_nBSY)
  79
  80 /* CF GPIO line modes */
  81 #define GPIO4_nSTSCHG_MD                (GPIO4_nSTSCHG | GPIO_IN)
  82 #define GPIO8_RESET_MD                  (GPIO8_RESET | GPIO_OUT)
  83 #define GPIO11_nCD_MD                   (GPIO11_nCD | GPIO_IN)
  84 #define GPIO18_nSTSCHG_MD               (GPIO18_nSTSCHG | GPIO_IN)
  85 #define GPIO26_PRDY_nBSY_MD             (GPIO26_PRDY_nBSY | GPIO_IN)
  86 #define GPIO27_PRDY_nBSY_MD             (GPIO27_PRDY_nBSY | GPIO_IN)
  87 #define GPIO36_nCD_MD                   (GPIO36_nCD | GPIO_IN)
  88
  89 /* for expansion boards that can't be programatically detected */
  90 extern int am200_init(void);
  91 extern int am300_init(void);
  92