summaryrefslogtreecommitdiff
path: root/include/asm-arm/arch-at91/board.h
blob: 79054965baa636c41582d928a29def0c63286477 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/*
 * include/asm-arm/arch-at91/board.h
 *
 *  Copyright (C) 2005 HP Labs
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/*
 * These are data structures found in platform_device.dev.platform_data,
 * and describing board-specific data needed by drivers.  For example,
 * which pin is used for a given GPIO role.
 *
 * In 2.6, drivers should strongly avoid board-specific knowledge so
 * that supporting new boards normally won't require driver patches.
 * Most board-specific knowledge should be in arch/.../board-*.c files.
 */

#ifndef __ASM_ARCH_BOARD_H
#define __ASM_ARCH_BOARD_H

#include <linux/mtd/partitions.h>
#include <linux/device.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>

 /* USB Device */
struct at91_udc_data {
	u8	vbus_pin;		/* high == host powering us */
	u8	pullup_pin;		/* high == D+ pulled up */
};
extern void __init at91_add_device_udc(struct at91_udc_data *data);

 /* Compact Flash */
struct at91_cf_data {
	u8	irq_pin;		/* I/O IRQ */
	u8	det_pin;		/* Card detect */
	u8	vcc_pin;		/* power switching */
	u8	rst_pin;		/* card reset */
	u8	chipselect;		/* EBI Chip Select number */
};
extern void __init at91_add_device_cf(struct at91_cf_data *data);

 /* MMC / SD */
struct at91_mmc_data {
	u8		det_pin;	/* card detect IRQ */
	unsigned	slot_b:1;	/* uses Slot B */
	unsigned	wire4:1;	/* (SD) supports DAT0..DAT3 */
	u8		wp_pin;		/* (SD) writeprotect detect */
	u8		vcc_pin;	/* power switching (high == on) */
};
extern void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data);

 /* Ethernet (EMAC & MACB) */
struct at91_eth_data {
	u32		phy_mask;
	u8		phy_irq_pin;	/* PHY IRQ */
	u8		is_rmii;	/* using RMII interface? */
};
extern void __init at91_add_device_eth(struct at91_eth_data *data);

#if defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9263)
#define eth_platform_data	at91_eth_data
#endif

 /* USB Host */
struct at91_usbh_data {
	u8		ports;		/* number of ports on root hub */
	u8		vbus_pin[];	/* port power-control pin */
};
extern void __init at91_add_device_usbh(struct at91_usbh_data *data);

 /* NAND / SmartMedia */
struct at91_nand_data {
	u8		enable_pin;	/* chip enable */
	u8		det_pin;	/* card detect */
	u8		rdy_pin;	/* ready/busy */
	u8		ale;		/* address line number connected to ALE */
	u8		cle;		/* address line number connected to CLE */
	u8		bus_width_16;	/* buswidth is 16 bit */
	struct mtd_partition* (*partition_info)(int, int*);
};
extern void __init at91_add_device_nand(struct at91_nand_data *data);

 /* I2C*/
extern void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices);

 /* SPI */
extern void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices);

 /* Serial */
struct at91_uart_config {
	unsigned short	console_tty;	/* tty number of serial console */
	unsigned short	nr_tty;		/* number of serial tty's */
	short		tty_map[];	/* map UART to tty number */
};
extern struct platform_device *atmel_default_console_device;
extern void __init at91_init_serial(struct at91_uart_config *config);

struct atmel_uart_data {
	short		use_dma_tx;	/* use transmit DMA? */
	short		use_dma_rx;	/* use receive DMA? */
	void __iomem	*regs;		/* virtual base address, if any */
};
extern void __init at91_add_device_serial(void);

 /* LCD Controller */
struct atmel_lcdfb_info;
extern void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data);

 /* AC97 */
struct atmel_ac97_data {
	u8		reset_pin;	/* reset */
};
extern void __init at91_add_device_ac97(struct atmel_ac97_data *data);

 /* LEDs */
extern u8 at91_leds_cpu;
extern u8 at91_leds_timer;
extern void __init at91_init_leds(u8 cpu_led, u8 timer_led);

/* FIXME: this needs a better location, but gets stuff building again */
extern int at91_suspend_entering_slow_clock(void);

#endif