summaryrefslogtreecommitdiff
path: root/arch/arm/mach-ixp4xx/avila-setup.c
blob: 73745ff102d5da3e20beb6451b9736a2bf20cb00 (plain) (blame)
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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
/*
 * arch/arm/mach-ixp4xx/avila-setup.c
 *
 * Gateworks Avila board-setup
 *
 * Author: Michael-Luke Jones <mlj28@cam.ac.uk>
 *
 * Based on ixdp-setup.c
 * Copyright (C) 2003-2005 MontaVista Software, Inc.
 *
 * Author: Deepak Saxena <dsaxena@plexity.net>
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/serial_8250.h>
#include <linux/i2c-gpio.h>
#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>

#define AVILA_SDA_PIN	7
#define AVILA_SCL_PIN	6

static struct flash_platform_data avila_flash_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
};

static struct resource avila_flash_resource = {
	.flags		= IORESOURCE_MEM,
};

static struct platform_device avila_flash = {
	.name		= "IXP4XX-Flash",
	.id		= 0,
	.dev		= {
		.platform_data = &avila_flash_data,
	},
	.num_resources	= 1,
	.resource	= &avila_flash_resource,
};

static struct i2c_gpio_platform_data avila_i2c_gpio_data = {
	.sda_pin	= AVILA_SDA_PIN,
	.scl_pin	= AVILA_SCL_PIN,
};

static struct platform_device avila_i2c_gpio = {
	.name		= "i2c-gpio",
	.id		= 0,
	.dev	 = {
		.platform_data	= &avila_i2c_gpio_data,
	},
};

static struct resource avila_uart_resources[] = {
	{
		.start		= IXP4XX_UART1_BASE_PHYS,
		.end		= IXP4XX_UART1_BASE_PHYS + 0x0fff,
		.flags		= IORESOURCE_MEM
	},
	{
		.start		= IXP4XX_UART2_BASE_PHYS,
		.end		= IXP4XX_UART2_BASE_PHYS + 0x0fff,
		.flags		= IORESOURCE_MEM
	}
};

static struct plat_serial8250_port avila_uart_data[] = {
	{
		.mapbase	= IXP4XX_UART1_BASE_PHYS,
		.membase	= (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
		.irq		= IRQ_IXP4XX_UART1,
		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= IXP4XX_UART_XTAL,
	},
	{
		.mapbase	= IXP4XX_UART2_BASE_PHYS,
		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
		.irq		= IRQ_IXP4XX_UART2,
		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= IXP4XX_UART_XTAL,
	},
	{ },
};

static struct platform_device avila_uart = {
	.name			= "serial8250",
	.id			= PLAT8250_DEV_PLATFORM,
	.dev.platform_data	= avila_uart_data,
	.num_resources		= 2,
	.resource		= avila_uart_resources
};

static struct resource avila_pata_resources[] = {
	{
		.flags	= IORESOURCE_MEM
	},
	{
		.flags	= IORESOURCE_MEM,
	},
	{
		.name	= "intrq",
		.start	= IRQ_IXP4XX_GPIO12,
		.end	= IRQ_IXP4XX_GPIO12,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct ixp4xx_pata_data avila_pata_data = {
	.cs0_bits	= 0xbfff0043,
	.cs1_bits	= 0xbfff0043,
};

static struct platform_device avila_pata = {
	.name			= "pata_ixp4xx_cf",
	.id			= 0,
	.dev.platform_data      = &avila_pata_data,
	.num_resources		= ARRAY_SIZE(avila_pata_resources),
	.resource		= avila_pata_resources,
};

static struct platform_device *avila_devices[] __initdata = {
	&avila_i2c_gpio,
	&avila_flash,
	&avila_uart
};

static void __init avila_init(void)
{
	ixp4xx_sys_init();

	avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
	avila_flash_resource.end =
		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;

	platform_add_devices(avila_devices, ARRAY_SIZE(avila_devices));

	avila_pata_resources[0].start = IXP4XX_EXP_BUS_BASE(1);
	avila_pata_resources[0].end = IXP4XX_EXP_BUS_END(1);

	avila_pata_resources[1].start = IXP4XX_EXP_BUS_BASE(2);
	avila_pata_resources[1].end = IXP4XX_EXP_BUS_END(2);

	avila_pata_data.cs0_cfg = IXP4XX_EXP_CS1;
	avila_pata_data.cs1_cfg = IXP4XX_EXP_CS2;

	platform_device_register(&avila_pata);

}

MACHINE_START(AVILA, "Gateworks Avila Network Platform")
	/* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
	.map_io		= ixp4xx_map_io,
	.init_irq	= ixp4xx_init_irq,
	.timer		= &ixp4xx_timer,
	.boot_params	= 0x0100,
	.init_machine	= avila_init,
MACHINE_END

 /*
  * Loft is functionally equivalent to Avila except that it has a
  * different number for the maximum PCI devices.  The MACHINE
  * structure below is identical to Avila except for the comment.
  */
#ifdef CONFIG_MACH_LOFT
MACHINE_START(LOFT, "Giant Shoulder Inc Loft board")
	/* Maintainer: Tom Billman <kernel@giantshoulderinc.com> */
	.map_io		= ixp4xx_map_io,
	.init_irq	= ixp4xx_init_irq,
	.timer		= &ixp4xx_timer,
	.boot_params	= 0x0100,
	.init_machine	= avila_init,
MACHINE_END
#endif