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/*
17GPIOn - Input from MAX823 (or equiv), normalizing USB +5V into a clean
18interrupt signal for determining cable presence. On the gumstix F,
19this moves to GPIO17 and GPIO37. */
20
21/* GPIOx - Connects to USB D+ and used as a pull-up after GPIOn
22has 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 */
90extern int am200_init(void);
91extern int am300_init(void);
92