2 * arch/arm/mach-ep93xx/edb93xx.c
3 * Cirrus Logic EDB93xx Development Board support.
5 * EDB93XX, EDB9301, EDB9307A
6 * Copyright (C) 2008-2009 H Hartley Sweeten <hsweeten@visionengravers.com>
9 * Copyright (C) 2006 George Kashperko <george@chas.com.ua>
11 * EDB9302A, EDB9315, EDB9315A
12 * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
15 * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
18 * Copyright (C) 2006 Infosys Technologies Limited
19 * Toufeeq Hussain <toufeeq_hussain@infosys.com>
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.
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>
35 #include <mach/hardware.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
41 static struct physmap_flash_data edb93xx_flash_data
;
43 static struct resource edb93xx_flash_resource
= {
44 .flags
= IORESOURCE_MEM
,
47 static struct platform_device edb93xx_flash
= {
48 .name
= "physmap-flash",
51 .platform_data
= &edb93xx_flash_data
,
54 .resource
= &edb93xx_flash_resource
,
57 static void __init
__edb93xx_register_flash(unsigned int width
,
58 resource_size_t start
, resource_size_t size
)
60 edb93xx_flash_data
.width
= width
;
61 edb93xx_flash_resource
.start
= start
;
62 edb93xx_flash_resource
.end
= start
+ size
- 1;
64 platform_device_register(&edb93xx_flash
);
67 static void __init
edb93xx_register_flash(void)
69 if (machine_is_edb9307() || machine_is_edb9312() ||
70 machine_is_edb9315()) {
71 __edb93xx_register_flash(4, EP93XX_CS6_PHYS_BASE
, SZ_32M
);
73 __edb93xx_register_flash(2, EP93XX_CS6_PHYS_BASE
, SZ_16M
);
77 static struct ep93xx_eth_data __initdata edb93xx_eth_data
= {
82 /*************************************************************************
83 * EDB93xx i2c peripheral handling
84 *************************************************************************/
85 static struct i2c_gpio_platform_data __initdata 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 */
94 static struct i2c_board_info __initdata edb93xxa_i2c_board_info
[] = {
96 I2C_BOARD_INFO("isl1208", 0x6f),
100 static struct i2c_board_info __initdata edb93xx_i2c_board_info
[] = {
102 I2C_BOARD_INFO("ds1337", 0x68),
106 static void __init
edb93xx_register_i2c(void)
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
));
122 /*************************************************************************
124 *************************************************************************/
125 static void __init
edb93xx_register_pwm(void)
127 if (machine_is_edb9301() ||
128 machine_is_edb9302() || machine_is_edb9302a()) {
129 /* EP9301 and EP9302 only have pwm.1 (EGPIO14) */
130 ep93xx_register_pwm(0, 1);
131 } else if (machine_is_edb9307() || machine_is_edb9307a()) {
132 /* EP9307 only has pwm.0 (PWMOUT) */
133 ep93xx_register_pwm(1, 0);
135 /* EP9312 and EP9315 have both */
136 ep93xx_register_pwm(1, 1);
141 static void __init
edb93xx_init_machine(void)
143 ep93xx_init_devices();
144 edb93xx_register_flash();
145 ep93xx_register_eth(&edb93xx_eth_data
, 1);
146 edb93xx_register_i2c();
147 edb93xx_register_pwm();
151 #ifdef CONFIG_MACH_EDB9301
152 MACHINE_START(EDB9301
, "Cirrus Logic EDB9301 Evaluation Board")
153 /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
154 .phys_io
= EP93XX_APB_PHYS_BASE
,
155 .io_pg_offst
= ((EP93XX_APB_VIRT_BASE
) >> 18) & 0xfffc,
156 .boot_params
= EP93XX_SDCE3_PHYS_BASE_SYNC
+ 0x100,
157 .map_io
= ep93xx_map_io
,
158 .init_irq
= ep93xx_init_irq
,
159 .timer
= &ep93xx_timer
,
160 .init_machine
= edb93xx_init_machine
,
164 #ifdef CONFIG_MACH_EDB9302
165 MACHINE_START(EDB9302
, "Cirrus Logic EDB9302 Evaluation Board")
166 /* Maintainer: George Kashperko <george@chas.com.ua> */
167 .phys_io
= EP93XX_APB_PHYS_BASE
,
168 .io_pg_offst
= ((EP93XX_APB_VIRT_BASE
) >> 18) & 0xfffc,
169 .boot_params
= EP93XX_SDCE3_PHYS_BASE_SYNC
+ 0x100,
170 .map_io
= ep93xx_map_io
,
171 .init_irq
= ep93xx_init_irq
,
172 .timer
= &ep93xx_timer
,
173 .init_machine
= edb93xx_init_machine
,
177 #ifdef CONFIG_MACH_EDB9302A
178 MACHINE_START(EDB9302A
, "Cirrus Logic EDB9302A Evaluation Board")
179 /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
180 .phys_io
= EP93XX_APB_PHYS_BASE
,
181 .io_pg_offst
= ((EP93XX_APB_VIRT_BASE
) >> 18) & 0xfffc,
182 .boot_params
= EP93XX_SDCE0_PHYS_BASE
+ 0x100,
183 .map_io
= ep93xx_map_io
,
184 .init_irq
= ep93xx_init_irq
,
185 .timer
= &ep93xx_timer
,
186 .init_machine
= edb93xx_init_machine
,
190 #ifdef CONFIG_MACH_EDB9307
191 MACHINE_START(EDB9307
, "Cirrus Logic EDB9307 Evaluation Board")
192 /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
193 .phys_io
= EP93XX_APB_PHYS_BASE
,
194 .io_pg_offst
= ((EP93XX_APB_VIRT_BASE
) >> 18) & 0xfffc,
195 .boot_params
= EP93XX_SDCE3_PHYS_BASE_SYNC
+ 0x100,
196 .map_io
= ep93xx_map_io
,
197 .init_irq
= ep93xx_init_irq
,
198 .timer
= &ep93xx_timer
,
199 .init_machine
= edb93xx_init_machine
,
203 #ifdef CONFIG_MACH_EDB9307A
204 MACHINE_START(EDB9307A
, "Cirrus Logic EDB9307A Evaluation Board")
205 /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
206 .phys_io
= EP93XX_APB_PHYS_BASE
,
207 .io_pg_offst
= ((EP93XX_APB_VIRT_BASE
) >> 18) & 0xfffc,
208 .boot_params
= EP93XX_SDCE0_PHYS_BASE
+ 0x100,
209 .map_io
= ep93xx_map_io
,
210 .init_irq
= ep93xx_init_irq
,
211 .timer
= &ep93xx_timer
,
212 .init_machine
= edb93xx_init_machine
,
216 #ifdef CONFIG_MACH_EDB9312
217 MACHINE_START(EDB9312
, "Cirrus Logic EDB9312 Evaluation Board")
218 /* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */
219 .phys_io
= EP93XX_APB_PHYS_BASE
,
220 .io_pg_offst
= ((EP93XX_APB_VIRT_BASE
) >> 18) & 0xfffc,
221 .boot_params
= EP93XX_SDCE3_PHYS_BASE_SYNC
+ 0x100,
222 .map_io
= ep93xx_map_io
,
223 .init_irq
= ep93xx_init_irq
,
224 .timer
= &ep93xx_timer
,
225 .init_machine
= edb93xx_init_machine
,
229 #ifdef CONFIG_MACH_EDB9315
230 MACHINE_START(EDB9315
, "Cirrus Logic EDB9315 Evaluation Board")
231 /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
232 .phys_io
= EP93XX_APB_PHYS_BASE
,
233 .io_pg_offst
= ((EP93XX_APB_VIRT_BASE
) >> 18) & 0xfffc,
234 .boot_params
= EP93XX_SDCE3_PHYS_BASE_SYNC
+ 0x100,
235 .map_io
= ep93xx_map_io
,
236 .init_irq
= ep93xx_init_irq
,
237 .timer
= &ep93xx_timer
,
238 .init_machine
= edb93xx_init_machine
,
242 #ifdef CONFIG_MACH_EDB9315A
243 MACHINE_START(EDB9315A
, "Cirrus Logic EDB9315A Evaluation Board")
244 /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
245 .phys_io
= EP93XX_APB_PHYS_BASE
,
246 .io_pg_offst
= ((EP93XX_APB_VIRT_BASE
) >> 18) & 0xfffc,
247 .boot_params
= EP93XX_SDCE0_PHYS_BASE
+ 0x100,
248 .map_io
= ep93xx_map_io
,
249 .init_irq
= ep93xx_init_irq
,
250 .timer
= &ep93xx_timer
,
251 .init_machine
= edb93xx_init_machine
,