Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6.git] / arch / arm / mach-imx / mach-mx1ads.c
1 /*
2  * arch/arm/mach-imx/mach-mx1ads.c
3  *
4  * Initially based on:
5  *      linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
6  *      Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
7  *
8  * 2004 (c) MontaVista Software, Inc.
9  *
10  * This file is licensed under the terms of the GNU General Public
11  * License version 2. This program is licensed "as is" without any
12  * warranty of any kind, whether express or implied.
13  */
14
15 #include <linux/i2c.h>
16 #include <linux/i2c/pcf857x.h>
17 #include <linux/init.h>
18 #include <linux/kernel.h>
19 #include <linux/platform_device.h>
20 #include <linux/mtd/physmap.h>
21
22 #include <asm/mach-types.h>
23 #include <asm/mach/arch.h>
24 #include <asm/mach/time.h>
25
26 #include <mach/common.h>
27 #include <mach/hardware.h>
28 #include <mach/iomux-mx1.h>
29 #include <mach/irqs.h>
30
31 #include "devices-imx1.h"
32
33 static const int mx1ads_pins[] __initconst = {
34         /* UART1 */
35         PC9_PF_UART1_CTS,
36         PC10_PF_UART1_RTS,
37         PC11_PF_UART1_TXD,
38         PC12_PF_UART1_RXD,
39         /* UART2 */
40         PB28_PF_UART2_CTS,
41         PB29_PF_UART2_RTS,
42         PB30_PF_UART2_TXD,
43         PB31_PF_UART2_RXD,
44         /* I2C */
45         PA15_PF_I2C_SDA,
46         PA16_PF_I2C_SCL,
47         /* SPI */
48         PC13_PF_SPI1_SPI_RDY,
49         PC14_PF_SPI1_SCLK,
50         PC15_PF_SPI1_SS,
51         PC16_PF_SPI1_MISO,
52         PC17_PF_SPI1_MOSI,
53 };
54
55 /*
56  * UARTs platform data
57  */
58
59 static const struct imxuart_platform_data uart0_pdata __initconst = {
60         .flags = IMXUART_HAVE_RTSCTS,
61 };
62        
63 static const struct imxuart_platform_data uart1_pdata __initconst = {
64         .flags = IMXUART_HAVE_RTSCTS,
65 };
66
67 /*
68  * Physmap flash
69  */
70
71 static struct physmap_flash_data mx1ads_flash_data = {
72         .width          = 4,            /* bankwidth in bytes */
73 };
74
75 static struct resource flash_resource = {
76         .start  = MX1_CS0_PHYS,
77         .end    = MX1_CS0_PHYS + SZ_32M - 1,
78         .flags  = IORESOURCE_MEM,
79 };
80
81 static struct platform_device flash_device = {
82         .name   = "physmap-flash",
83         .id     = 0,
84         .resource = &flash_resource,
85         .num_resources = 1,
86 };
87
88 /*
89  * I2C
90  */
91 static struct pcf857x_platform_data pcf857x_data[] = {
92         {
93                 .gpio_base = 4 * 32,
94         }, {
95                 .gpio_base = 4 * 32 + 16,
96         }
97 };
98
99 static const struct imxi2c_platform_data mx1ads_i2c_data __initconst = {
100         .bitrate = 100000,
101 };
102
103 static struct i2c_board_info mx1ads_i2c_devices[] = {
104         {
105                 I2C_BOARD_INFO("pcf8575", 0x22),
106                 .platform_data = &pcf857x_data[0],
107         }, {
108                 I2C_BOARD_INFO("pcf8575", 0x24),
109                 .platform_data = &pcf857x_data[1],
110         },
111 };
112
113 /*
114  * Board init
115  */
116 static void __init mx1ads_init(void)
117 {
118         imx1_soc_init();
119
120         mxc_gpio_setup_multiple_pins(mx1ads_pins,
121                 ARRAY_SIZE(mx1ads_pins), "mx1ads");
122
123         /* UART */
124         imx1_add_imx_uart0(&uart0_pdata);
125         imx1_add_imx_uart1(&uart1_pdata);
126
127         /* Physmap flash */
128         mxc_register_device(&flash_device, &mx1ads_flash_data);
129
130         /* I2C */
131         i2c_register_board_info(0, mx1ads_i2c_devices,
132                                 ARRAY_SIZE(mx1ads_i2c_devices));
133
134         imx1_add_imx_i2c(&mx1ads_i2c_data);
135 }
136
137 static void __init mx1ads_timer_init(void)
138 {
139         mx1_clocks_init(32000);
140 }
141
142 struct sys_timer mx1ads_timer = {
143         .init   = mx1ads_timer_init,
144 };
145
146 MACHINE_START(MX1ADS, "Freescale MX1ADS")
147         /* Maintainer: Sascha Hauer, Pengutronix */
148         .boot_params = MX1_PHYS_OFFSET + 0x100,
149         .map_io = mx1_map_io,
150         .init_early = imx1_init_early,
151         .init_irq = mx1_init_irq,
152         .timer = &mx1ads_timer,
153         .init_machine = mx1ads_init,
154 MACHINE_END
155
156 MACHINE_START(MXLADS, "Freescale MXLADS")
157         .boot_params = MX1_PHYS_OFFSET + 0x100,
158         .map_io = mx1_map_io,
159         .init_early = imx1_init_early,
160         .init_irq = mx1_init_irq,
161         .timer = &mx1ads_timer,
162         .init_machine = mx1ads_init,
163 MACHINE_END