diff options
Diffstat (limited to 'arch/arm/mach-pxa/gumstix.h')
| -rw-r--r-- | arch/arm/mach-pxa/gumstix.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/gumstix.h b/arch/arm/mach-pxa/gumstix.h new file mode 100644 index 000000000000..825f2d1260ae --- /dev/null +++ b/arch/arm/mach-pxa/gumstix.h @@ -0,0 +1,92 @@ +/* + * arch/arm/mach-pxa/include/mach/gumstix.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <mach/irqs.h> /* PXA_GPIO_TO_IRQ */ + +/* BTRESET - Reset line to Bluetooth module, active low signal. */ +#define GPIO_GUMSTIX_BTRESET 7 +#define GPIO_GUMSTIX_BTRESET_MD (GPIO_GUMSTIX_BTRESET | GPIO_OUT) + + +/* +GPIOn - Input from MAX823 (or equiv), normalizing USB +5V into a clean +interrupt signal for determining cable presence. On the gumstix F, +this moves to GPIO17 and GPIO37. */ + +/* GPIOx - Connects to USB D+ and used as a pull-up after GPIOn +has detected a cable insertion; driven low otherwise. */ + +#define GPIO_GUMSTIX_USB_GPIOn 35 +#define GPIO_GUMSTIX_USB_GPIOx 41 + +/* usb state change */ +#define GUMSTIX_USB_INTR_IRQ PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_USB_GPIOn) + +#define GPIO_GUMSTIX_USB_GPIOn_MD (GPIO_GUMSTIX_USB_GPIOn | GPIO_IN) +#define GPIO_GUMSTIX_USB_GPIOx_CON_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_OUT) +#define GPIO_GUMSTIX_USB_GPIOx_DIS_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_IN) + +/* + * SD/MMC definitions + */ +#define GUMSTIX_GPIO_nSD_WP 22 /* SD Write Protect */ +#define GUMSTIX_GPIO_nSD_DETECT 11 /* MMC/SD Card Detect */ +#define GUMSTIX_IRQ_GPIO_nSD_DETECT PXA_GPIO_TO_IRQ(GUMSTIX_GPIO_nSD_DETECT) + +/* + * SMC Ethernet definitions + * ETH_RST provides a hardware reset line to the ethernet chip + * ETH is the IRQ line in from the ethernet chip to the PXA + */ +#define GPIO_GUMSTIX_ETH0_RST 80 +#define GPIO_GUMSTIX_ETH0_RST_MD (GPIO_GUMSTIX_ETH0_RST | GPIO_OUT) +#define GPIO_GUMSTIX_ETH1_RST 52 +#define GPIO_GUMSTIX_ETH1_RST_MD (GPIO_GUMSTIX_ETH1_RST | GPIO_OUT) + +#define GPIO_GUMSTIX_ETH0 36 +#define GPIO_GUMSTIX_ETH0_MD (GPIO_GUMSTIX_ETH0 | GPIO_IN) +#define GUMSTIX_ETH0_IRQ PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_ETH0) +#define GPIO_GUMSTIX_ETH1 27 +#define GPIO_GUMSTIX_ETH1_MD (GPIO_GUMSTIX_ETH1 | GPIO_IN) +#define GUMSTIX_ETH1_IRQ PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_ETH1) + + +/* CF reset line */ +#define GPIO8_RESET 8 + +/* CF slot 0 */ +#define GPIO4_nBVD1 4 +#define GPIO4_nSTSCHG GPIO4_nBVD1 +#define GPIO11_nCD 11 +#define GPIO26_PRDY_nBSY 26 +#define GUMSTIX_S0_nSTSCHG_IRQ PXA_GPIO_TO_IRQ(GPIO4_nSTSCHG) +#define GUMSTIX_S0_nCD_IRQ PXA_GPIO_TO_IRQ(GPIO11_nCD) +#define GUMSTIX_S0_PRDY_nBSY_IRQ PXA_GPIO_TO_IRQ(GPIO26_PRDY_nBSY) + +/* CF slot 1 */ +#define GPIO18_nBVD1 18 +#define GPIO18_nSTSCHG GPIO18_nBVD1 +#define GPIO36_nCD 36 +#define GPIO27_PRDY_nBSY 27 +#define GUMSTIX_S1_nSTSCHG_IRQ PXA_GPIO_TO_IRQ(GPIO18_nSTSCHG) +#define GUMSTIX_S1_nCD_IRQ PXA_GPIO_TO_IRQ(GPIO36_nCD) +#define GUMSTIX_S1_PRDY_nBSY_IRQ PXA_GPIO_TO_IRQ(GPIO27_PRDY_nBSY) + +/* CF GPIO line modes */ +#define GPIO4_nSTSCHG_MD (GPIO4_nSTSCHG | GPIO_IN) +#define GPIO8_RESET_MD (GPIO8_RESET | GPIO_OUT) +#define GPIO11_nCD_MD (GPIO11_nCD | GPIO_IN) +#define GPIO18_nSTSCHG_MD (GPIO18_nSTSCHG | GPIO_IN) +#define GPIO26_PRDY_nBSY_MD (GPIO26_PRDY_nBSY | GPIO_IN) +#define GPIO27_PRDY_nBSY_MD (GPIO27_PRDY_nBSY | GPIO_IN) +#define GPIO36_nCD_MD (GPIO36_nCD | GPIO_IN) + +/* for expansion boards that can't be programatically detected */ +extern int am200_init(void); +extern int am300_init(void); + |