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-rw-r--r--arch/arm/mach-mx1/mach-mx1ads.c165
1 files changed, 165 insertions, 0 deletions
diff --git a/arch/arm/mach-mx1/mach-mx1ads.c b/arch/arm/mach-mx1/mach-mx1ads.c
new file mode 100644
index 000000000000..51f3cfd83db2
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+++ b/arch/arm/mach-mx1/mach-mx1ads.c
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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/i2c.h>
29#include <mach/imx-uart.h>
30#include <mach/iomux-mx1.h>
31#include <mach/irqs.h>
32
33#include "devices.h"
34
35static int mx1ads_pins[] = {
36 /* UART1 */
37 PC9_PF_UART1_CTS,
38 PC10_PF_UART1_RTS,
39 PC11_PF_UART1_TXD,
40 PC12_PF_UART1_RXD,
41 /* UART2 */
42 PB28_PF_UART2_CTS,
43 PB29_PF_UART2_RTS,
44 PB30_PF_UART2_TXD,
45 PB31_PF_UART2_RXD,
46 /* I2C */
47 PA15_PF_I2C_SDA,
48 PA16_PF_I2C_SCL,
49 /* SPI */
50 PC13_PF_SPI1_SPI_RDY,
51 PC14_PF_SPI1_SCLK,
52 PC15_PF_SPI1_SS,
53 PC16_PF_SPI1_MISO,
54 PC17_PF_SPI1_MOSI,
55};
56
57/*
58 * UARTs platform data
59 */
60
61static struct imxuart_platform_data uart_pdata[] = {
62 {
63 .flags = IMXUART_HAVE_RTSCTS,
64 }, {
65 .flags = IMXUART_HAVE_RTSCTS,
66 },
67};
68
69/*
70 * Physmap flash
71 */
72
73static struct physmap_flash_data mx1ads_flash_data = {
74 .width = 4, /* bankwidth in bytes */
75};
76
77static struct resource flash_resource = {
78 .start = IMX_CS0_PHYS,
79 .end = IMX_CS0_PHYS + SZ_32M - 1,
80 .flags = IORESOURCE_MEM,
81};
82
83static struct platform_device flash_device = {
84 .name = "physmap-flash",
85 .id = 0,
86 .resource = &flash_resource,
87 .num_resources = 1,
88};
89
90/*
91 * I2C
92 */
93static struct pcf857x_platform_data pcf857x_data[] = {
94 {
95 .gpio_base = 4 * 32,
96 }, {
97 .gpio_base = 4 * 32 + 16,
98 }
99};
100
101static struct imxi2c_platform_data mx1ads_i2c_data = {
102 .bitrate = 100000,
103};
104
105static struct i2c_board_info mx1ads_i2c_devices[] = {
106 {
107 I2C_BOARD_INFO("pcf8575", 0x22),
108 .platform_data = &pcf857x_data[0],
109 }, {
110 I2C_BOARD_INFO("pcf8575", 0x24),
111 .platform_data = &pcf857x_data[1],
112 },
113};
114
115/*
116 * Board init
117 */
118static void __init mx1ads_init(void)
119{
120 mxc_gpio_setup_multiple_pins(mx1ads_pins,
121 ARRAY_SIZE(mx1ads_pins), "mx1ads");
122
123 /* UART */
124 mxc_register_device(&imx_uart1_device, &uart_pdata[0]);
125 mxc_register_device(&imx_uart2_device, &uart_pdata[1]);
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 mxc_register_device(&imx_i2c_device, &mx1ads_i2c_data);
135}
136
137static void __init mx1ads_timer_init(void)
138{
139 mx1_clocks_init(32000);
140}
141
142struct sys_timer mx1ads_timer = {
143 .init = mx1ads_timer_init,
144};
145
146MACHINE_START(MX1ADS, "Freescale MX1ADS")
147 /* Maintainer: Sascha Hauer, Pengutronix */
148 .phys_io = IMX_IO_PHYS,
149 .io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc,
150 .boot_params = MX1_PHYS_OFFSET + 0x100,
151 .map_io = mx1_map_io,
152 .init_irq = mx1_init_irq,
153 .timer = &mx1ads_timer,
154 .init_machine = mx1ads_init,
155MACHINE_END
156
157MACHINE_START(MXLADS, "Freescale MXLADS")
158 .phys_io = IMX_IO_PHYS,
159 .io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc,
160 .boot_params = MX1_PHYS_OFFSET + 0x100,
161 .map_io = mx1_map_io,
162 .init_irq = mx1_init_irq,
163 .timer = &mx1ads_timer,
164 .init_machine = mx1ads_init,
165MACHINE_END