Commit | Line | Data |
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cfca8b53 | 1 | /* |
95c00464 | 2 | * arch/arm/mach-imx/mach-mx1ads.c |
cfca8b53 PZ |
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 | ||
5b68421f SH |
15 | #include <linux/i2c.h> |
16 | #include <linux/i2c/pcf857x.h> | |
cfca8b53 | 17 | #include <linux/init.h> |
5b68421f | 18 | #include <linux/kernel.h> |
cfca8b53 PZ |
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 | ||
cfca8b53 | 26 | #include <mach/common.h> |
5b68421f | 27 | #include <mach/hardware.h> |
b8b19b0d | 28 | #include <mach/i2c.h> |
5b68421f | 29 | #include <mach/imx-uart.h> |
e835d88e | 30 | #include <mach/iomux-mx1.h> |
5b68421f SH |
31 | #include <mach/irqs.h> |
32 | ||
cfca8b53 PZ |
33 | #include "devices.h" |
34 | ||
5ae07daa SH |
35 | static int mx1ads_pins[] = { |
36 | /* UART1 */ | |
cfca8b53 PZ |
37 | PC9_PF_UART1_CTS, |
38 | PC10_PF_UART1_RTS, | |
39 | PC11_PF_UART1_TXD, | |
40 | PC12_PF_UART1_RXD, | |
5ae07daa | 41 | /* UART2 */ |
cfca8b53 PZ |
42 | PB28_PF_UART2_CTS, |
43 | PB29_PF_UART2_RTS, | |
44 | PB30_PF_UART2_TXD, | |
45 | PB31_PF_UART2_RXD, | |
5ae07daa SH |
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, | |
cfca8b53 PZ |
55 | }; |
56 | ||
5ae07daa SH |
57 | /* |
58 | * UARTs platform data | |
59 | */ | |
cfca8b53 PZ |
60 | |
61 | static struct imxuart_platform_data uart_pdata[] = { | |
62 | { | |
cfca8b53 PZ |
63 | .flags = IMXUART_HAVE_RTSCTS, |
64 | }, { | |
cfca8b53 PZ |
65 | .flags = IMXUART_HAVE_RTSCTS, |
66 | }, | |
67 | }; | |
68 | ||
69 | /* | |
70 | * Physmap flash | |
71 | */ | |
72 | ||
73 | static struct physmap_flash_data mx1ads_flash_data = { | |
74 | .width = 4, /* bankwidth in bytes */ | |
75 | }; | |
76 | ||
77 | static struct resource flash_resource = { | |
05a3185c UKK |
78 | .start = MX1_CS0_PHYS, |
79 | .end = MX1_CS0_PHYS + SZ_32M - 1, | |
cfca8b53 PZ |
80 | .flags = IORESOURCE_MEM, |
81 | }; | |
82 | ||
83 | static struct platform_device flash_device = { | |
84 | .name = "physmap-flash", | |
85 | .id = 0, | |
86 | .resource = &flash_resource, | |
87 | .num_resources = 1, | |
88 | }; | |
89 | ||
b8b19b0d SH |
90 | /* |
91 | * I2C | |
92 | */ | |
b8b19b0d SH |
93 | static struct pcf857x_platform_data pcf857x_data[] = { |
94 | { | |
95 | .gpio_base = 4 * 32, | |
96 | }, { | |
97 | .gpio_base = 4 * 32 + 16, | |
98 | } | |
99 | }; | |
100 | ||
101 | static struct imxi2c_platform_data mx1ads_i2c_data = { | |
102 | .bitrate = 100000, | |
b8b19b0d SH |
103 | }; |
104 | ||
105 | static struct i2c_board_info mx1ads_i2c_devices[] = { | |
106 | { | |
cf87a6e2 | 107 | I2C_BOARD_INFO("pcf8575", 0x22), |
b8b19b0d SH |
108 | .platform_data = &pcf857x_data[0], |
109 | }, { | |
cf87a6e2 | 110 | I2C_BOARD_INFO("pcf8575", 0x24), |
b8b19b0d SH |
111 | .platform_data = &pcf857x_data[1], |
112 | }, | |
113 | }; | |
b8b19b0d | 114 | |
cfca8b53 PZ |
115 | /* |
116 | * Board init | |
117 | */ | |
118 | static void __init mx1ads_init(void) | |
119 | { | |
5ae07daa SH |
120 | mxc_gpio_setup_multiple_pins(mx1ads_pins, |
121 | ARRAY_SIZE(mx1ads_pins), "mx1ads"); | |
122 | ||
cfca8b53 PZ |
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); | |
b8b19b0d SH |
129 | |
130 | /* I2C */ | |
b8b19b0d SH |
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); | |
cfca8b53 PZ |
135 | } |
136 | ||
137 | static void __init mx1ads_timer_init(void) | |
138 | { | |
30c730f8 | 139 | mx1_clocks_init(32000); |
cfca8b53 PZ |
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 */ | |
05a3185c UKK |
148 | .phys_io = MX1_IO_BASE_ADDR, |
149 | .io_pg_offst = (MX1_IO_BASE_ADDR_VIRT >> 18) & 0xfffc, | |
34101237 | 150 | .boot_params = MX1_PHYS_OFFSET + 0x100, |
74fe030e | 151 | .map_io = mx1_map_io, |
c5aa0ad0 | 152 | .init_irq = mx1_init_irq, |
cfca8b53 PZ |
153 | .timer = &mx1ads_timer, |
154 | .init_machine = mx1ads_init, | |
155 | MACHINE_END | |
156 | ||
157 | MACHINE_START(MXLADS, "Freescale MXLADS") | |
05a3185c UKK |
158 | .phys_io = MX1_IO_BASE_ADDR, |
159 | .io_pg_offst = (MX1_IO_BASE_ADDR_VIRT >> 18) & 0xfffc, | |
34101237 | 160 | .boot_params = MX1_PHYS_OFFSET + 0x100, |
cd4a05f9 | 161 | .map_io = mx1_map_io, |
c5aa0ad0 | 162 | .init_irq = mx1_init_irq, |
cfca8b53 PZ |
163 | .timer = &mx1ads_timer, |
164 | .init_machine = mx1ads_init, | |
165 | MACHINE_END |