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Hartley Sweetena2bd40d2009-05-04 19:09:25 +01001/*
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>
Hartley Sweetena2bd40d2009-05-04 19:09:25 +010029#include <linux/platform_device.h>
Hartley Sweeten583ddaf2009-07-06 17:39:50 +010030#include <linux/mtd/physmap.h>
Hartley Sweeten6531a992009-10-08 00:45:00 +010031#include <linux/gpio.h>
32#include <linux/i2c.h>
33#include <linux/i2c-gpio.h>
Hartley Sweeten583ddaf2009-07-06 17:39:50 +010034
Hartley Sweetena2bd40d2009-05-04 19:09:25 +010035#include <mach/hardware.h>
Hartley Sweeten583ddaf2009-07-06 17:39:50 +010036
Hartley Sweetena2bd40d2009-05-04 19:09:25 +010037#include <asm/mach-types.h>
38#include <asm/mach/arch.h>
39
Hartley Sweeten583ddaf2009-07-06 17:39:50 +010040
Hartley Sweetena2bd40d2009-05-04 19:09:25 +010041static struct physmap_flash_data edb93xx_flash_data;
42
43static struct resource edb93xx_flash_resource = {
44 .flags = IORESOURCE_MEM,
45};
46
47static 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
57static 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
67static 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
77static struct ep93xx_eth_data edb93xx_eth_data = {
78 .phy_id = 1,
79};
80
Hartley Sweeten6531a992009-10-08 00:45:00 +010081
82/*************************************************************************
83 * EDB93xx i2c peripheral handling
84 *************************************************************************/
85static 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
94static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = {
Hartley Sweetena2bd40d2009-05-04 19:09:25 +010095 {
96 I2C_BOARD_INFO("isl1208", 0x6f),
97 },
98};
99
Hartley Sweeten6531a992009-10-08 00:45:00 +0100100static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = {
Hartley Sweetena2bd40d2009-05-04 19:09:25 +0100101 {
102 I2C_BOARD_INFO("ds1337", 0x68),
103 },
104};
105
106static void __init edb93xx_register_i2c(void)
107{
108 if (machine_is_edb9302a() || machine_is_edb9307a() ||
109 machine_is_edb9315a()) {
Hartley Sweeten6531a992009-10-08 00:45:00 +0100110 ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
111 edb93xxa_i2c_board_info,
112 ARRAY_SIZE(edb93xxa_i2c_board_info));
Hartley Sweetena2bd40d2009-05-04 19:09:25 +0100113 } else if (machine_is_edb9307() || machine_is_edb9312() ||
114 machine_is_edb9315()) {
Hartley Sweeten3d977c02009-10-14 01:56:10 +0100115 ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
Hartley Sweeten6531a992009-10-08 00:45:00 +0100116 edb93xx_i2c_board_info,
117 ARRAY_SIZE(edb93xx_i2c_board_info));
Hartley Sweetena2bd40d2009-05-04 19:09:25 +0100118 }
119}
120
121static 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
131MACHINE_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,
140MACHINE_END
141#endif
142
143#ifdef CONFIG_MACH_EDB9302
144MACHINE_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,
153MACHINE_END
154#endif
155
156#ifdef CONFIG_MACH_EDB9302A
157MACHINE_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,
166MACHINE_END
167#endif
168
169#ifdef CONFIG_MACH_EDB9307
170MACHINE_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,
179MACHINE_END
180#endif
181
182#ifdef CONFIG_MACH_EDB9307A
183MACHINE_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,
192MACHINE_END
193#endif
194
195#ifdef CONFIG_MACH_EDB9312
196MACHINE_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,
205MACHINE_END
206#endif
207
208#ifdef CONFIG_MACH_EDB9315
209MACHINE_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,
218MACHINE_END
219#endif
220
221#ifdef CONFIG_MACH_EDB9315A
222MACHINE_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,
231MACHINE_END
232#endif