ca71cf1a72a0c4e7f14e75938c255f0e4a69244c
[linux-2.6.git] / arch / arm / mach-ep93xx / edb93xx.c
1 /*
2  * arch/arm/mach-ep93xx/edb93xx.c
3  * Cirrus Logic EDB93xx Development Board support.
4  *
5  * EDB93XX, EDB9301, EDB9307A
6  * Copyright (C) 2008-2009 H Hartley Sweeten <hsweeten@visionengravers.com>
7  *
8  * EDB9302
9  * Copyright (C) 2006 George Kashperko <george@chas.com.ua>
10  *
11  * EDB9302A, EDB9315, EDB9315A
12  * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
13  *
14  * EDB9307
15  * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
16  *
17  * EDB9312
18  * Copyright (C) 2006 Infosys Technologies Limited
19  *                    Toufeeq Hussain <toufeeq_hussain@infosys.com>
20  *
21  * This program is free software; you can redistribute it and/or modify
22  * it under the terms of the GNU General Public License as published by
23  * the Free Software Foundation; either version 2 of the License, or (at
24  * your option) any later version.
25  */
26
27 #include <linux/kernel.h>
28 #include <linux/init.h>
29 #include <linux/platform_device.h>
30 #include <linux/mtd/physmap.h>
31 #include <linux/gpio.h>
32 #include <linux/i2c.h>
33 #include <linux/i2c-gpio.h>
34
35 #include <mach/hardware.h>
36
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39
40
41 static struct physmap_flash_data edb93xx_flash_data;
42
43 static struct resource edb93xx_flash_resource = {
44         .flags          = IORESOURCE_MEM,
45 };
46
47 static struct platform_device edb93xx_flash = {
48         .name           = "physmap-flash",
49         .id             = 0,
50         .dev            = {
51                 .platform_data  = &edb93xx_flash_data,
52         },
53         .num_resources  = 1,
54         .resource       = &edb93xx_flash_resource,
55 };
56
57 static void __init __edb93xx_register_flash(unsigned int width,
58                         resource_size_t start, resource_size_t size)
59 {
60         edb93xx_flash_data.width        = width;
61         edb93xx_flash_resource.start    = start;
62         edb93xx_flash_resource.end      = start + size - 1;
63
64         platform_device_register(&edb93xx_flash);
65 }
66
67 static void __init edb93xx_register_flash(void)
68 {
69         if (machine_is_edb9307() || machine_is_edb9312() ||
70             machine_is_edb9315()) {
71                 __edb93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M);
72         } else {
73                 __edb93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M);
74         }
75 }
76
77 static struct ep93xx_eth_data edb93xx_eth_data = {
78         .phy_id         = 1,
79 };
80
81
82 /*************************************************************************
83  * EDB93xx i2c peripheral handling
84  *************************************************************************/
85 static struct i2c_gpio_platform_data edb93xx_i2c_gpio_data = {
86         .sda_pin                = EP93XX_GPIO_LINE_EEDAT,
87         .sda_is_open_drain      = 0,
88         .scl_pin                = EP93XX_GPIO_LINE_EECLK,
89         .scl_is_open_drain      = 0,
90         .udelay                 = 0,    /* default to 100 kHz */
91         .timeout                = 0,    /* default to 100 ms */
92 };
93
94 static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = {
95         {
96                 I2C_BOARD_INFO("isl1208", 0x6f),
97         },
98 };
99
100 static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = {
101         {
102                 I2C_BOARD_INFO("ds1337", 0x68),
103         },
104 };
105
106 static void __init edb93xx_register_i2c(void)
107 {
108         if (machine_is_edb9302a() || machine_is_edb9307a() ||
109             machine_is_edb9315a()) {
110                 ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
111                                     edb93xxa_i2c_board_info,
112                                     ARRAY_SIZE(edb93xxa_i2c_board_info));
113         } else if (machine_is_edb9307() || machine_is_edb9312() ||
114                    machine_is_edb9315()) {
115                 ep93xx_register_i2c(&edb93xx_i2c_gpio_data
116                                     edb93xx_i2c_board_info,
117                                     ARRAY_SIZE(edb93xx_i2c_board_info));
118         }
119 }
120
121 static void __init edb93xx_init_machine(void)
122 {
123         ep93xx_init_devices();
124         edb93xx_register_flash();
125         ep93xx_register_eth(&edb93xx_eth_data, 1);
126         edb93xx_register_i2c();
127 }
128
129
130 #ifdef CONFIG_MACH_EDB9301
131 MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board")
132         /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
133         .phys_io        = EP93XX_APB_PHYS_BASE,
134         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
135         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
136         .map_io         = ep93xx_map_io,
137         .init_irq       = ep93xx_init_irq,
138         .timer          = &ep93xx_timer,
139         .init_machine   = edb93xx_init_machine,
140 MACHINE_END
141 #endif
142
143 #ifdef CONFIG_MACH_EDB9302
144 MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
145         /* Maintainer: George Kashperko <george@chas.com.ua> */
146         .phys_io        = EP93XX_APB_PHYS_BASE,
147         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
148         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
149         .map_io         = ep93xx_map_io,
150         .init_irq       = ep93xx_init_irq,
151         .timer          = &ep93xx_timer,
152         .init_machine   = edb93xx_init_machine,
153 MACHINE_END
154 #endif
155
156 #ifdef CONFIG_MACH_EDB9302A
157 MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board")
158         /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
159         .phys_io        = EP93XX_APB_PHYS_BASE,
160         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
161         .boot_params    = EP93XX_SDCE0_PHYS_BASE + 0x100,
162         .map_io         = ep93xx_map_io,
163         .init_irq       = ep93xx_init_irq,
164         .timer          = &ep93xx_timer,
165         .init_machine   = edb93xx_init_machine,
166 MACHINE_END
167 #endif
168
169 #ifdef CONFIG_MACH_EDB9307
170 MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
171         /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
172         .phys_io        = EP93XX_APB_PHYS_BASE,
173         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
174         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
175         .map_io         = ep93xx_map_io,
176         .init_irq       = ep93xx_init_irq,
177         .timer          = &ep93xx_timer,
178         .init_machine   = edb93xx_init_machine,
179 MACHINE_END
180 #endif
181
182 #ifdef CONFIG_MACH_EDB9307A
183 MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
184         /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
185         .phys_io        = EP93XX_APB_PHYS_BASE,
186         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
187         .boot_params    = EP93XX_SDCE0_PHYS_BASE + 0x100,
188         .map_io         = ep93xx_map_io,
189         .init_irq       = ep93xx_init_irq,
190         .timer          = &ep93xx_timer,
191         .init_machine   = edb93xx_init_machine,
192 MACHINE_END
193 #endif
194
195 #ifdef CONFIG_MACH_EDB9312
196 MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board")
197         /* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */
198         .phys_io        = EP93XX_APB_PHYS_BASE,
199         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
200         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
201         .map_io         = ep93xx_map_io,
202         .init_irq       = ep93xx_init_irq,
203         .timer          = &ep93xx_timer,
204         .init_machine   = edb93xx_init_machine,
205 MACHINE_END
206 #endif
207
208 #ifdef CONFIG_MACH_EDB9315
209 MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board")
210         /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
211         .phys_io        = EP93XX_APB_PHYS_BASE,
212         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
213         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
214         .map_io         = ep93xx_map_io,
215         .init_irq       = ep93xx_init_irq,
216         .timer          = &ep93xx_timer,
217         .init_machine   = edb93xx_init_machine,
218 MACHINE_END
219 #endif
220
221 #ifdef CONFIG_MACH_EDB9315A
222 MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
223         /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
224         .phys_io        = EP93XX_APB_PHYS_BASE,
225         .io_pg_offst    = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
226         .boot_params    = EP93XX_SDCE0_PHYS_BASE + 0x100,
227         .map_io         = ep93xx_map_io,
228         .init_irq       = ep93xx_init_irq,
229         .timer          = &ep93xx_timer,
230         .init_machine   = edb93xx_init_machine,
231 MACHINE_END
232 #endif