Commit | Line | Data |
---|---|---|
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 | ||
e3372474 | 26 | #include "common.h" |
6348e6b5 | 27 | #include "devices-imx1.h" |
50f2de61 | 28 | #include "hardware.h" |
267dd34c | 29 | #include "iomux-mx1.h" |
cfca8b53 | 30 | |
6c80ee51 | 31 | static const int mx1ads_pins[] __initconst = { |
5ae07daa | 32 | /* UART1 */ |
cfca8b53 PZ |
33 | PC9_PF_UART1_CTS, |
34 | PC10_PF_UART1_RTS, | |
35 | PC11_PF_UART1_TXD, | |
36 | PC12_PF_UART1_RXD, | |
5ae07daa | 37 | /* UART2 */ |
cfca8b53 PZ |
38 | PB28_PF_UART2_CTS, |
39 | PB29_PF_UART2_RTS, | |
40 | PB30_PF_UART2_TXD, | |
41 | PB31_PF_UART2_RXD, | |
5ae07daa SH |
42 | /* I2C */ |
43 | PA15_PF_I2C_SDA, | |
44 | PA16_PF_I2C_SCL, | |
45 | /* SPI */ | |
46 | PC13_PF_SPI1_SPI_RDY, | |
47 | PC14_PF_SPI1_SCLK, | |
48 | PC15_PF_SPI1_SS, | |
49 | PC16_PF_SPI1_MISO, | |
50 | PC17_PF_SPI1_MOSI, | |
cfca8b53 PZ |
51 | }; |
52 | ||
5ae07daa SH |
53 | /* |
54 | * UARTs platform data | |
55 | */ | |
cfca8b53 | 56 | |
d112f4e4 UKK |
57 | static const struct imxuart_platform_data uart0_pdata __initconst = { |
58 | .flags = IMXUART_HAVE_RTSCTS, | |
59 | }; | |
60 | ||
61 | static const struct imxuart_platform_data uart1_pdata __initconst = { | |
62 | .flags = IMXUART_HAVE_RTSCTS, | |
cfca8b53 PZ |
63 | }; |
64 | ||
65 | /* | |
66 | * Physmap flash | |
67 | */ | |
68 | ||
f2f07be0 | 69 | static const struct physmap_flash_data mx1ads_flash_data __initconst = { |
cfca8b53 PZ |
70 | .width = 4, /* bankwidth in bytes */ |
71 | }; | |
72 | ||
f2f07be0 | 73 | static const struct resource flash_resource __initconst = { |
05a3185c UKK |
74 | .start = MX1_CS0_PHYS, |
75 | .end = MX1_CS0_PHYS + SZ_32M - 1, | |
cfca8b53 PZ |
76 | .flags = IORESOURCE_MEM, |
77 | }; | |
78 | ||
b8b19b0d SH |
79 | /* |
80 | * I2C | |
81 | */ | |
b8b19b0d SH |
82 | static struct pcf857x_platform_data pcf857x_data[] = { |
83 | { | |
84 | .gpio_base = 4 * 32, | |
85 | }, { | |
86 | .gpio_base = 4 * 32 + 16, | |
87 | } | |
88 | }; | |
89 | ||
6348e6b5 | 90 | static const struct imxi2c_platform_data mx1ads_i2c_data __initconst = { |
b8b19b0d | 91 | .bitrate = 100000, |
b8b19b0d SH |
92 | }; |
93 | ||
94 | static struct i2c_board_info mx1ads_i2c_devices[] = { | |
95 | { | |
cf87a6e2 | 96 | I2C_BOARD_INFO("pcf8575", 0x22), |
b8b19b0d SH |
97 | .platform_data = &pcf857x_data[0], |
98 | }, { | |
cf87a6e2 | 99 | I2C_BOARD_INFO("pcf8575", 0x24), |
b8b19b0d SH |
100 | .platform_data = &pcf857x_data[1], |
101 | }, | |
102 | }; | |
b8b19b0d | 103 | |
cfca8b53 PZ |
104 | /* |
105 | * Board init | |
106 | */ | |
107 | static void __init mx1ads_init(void) | |
108 | { | |
b78d8e59 SG |
109 | imx1_soc_init(); |
110 | ||
5ae07daa SH |
111 | mxc_gpio_setup_multiple_pins(mx1ads_pins, |
112 | ARRAY_SIZE(mx1ads_pins), "mx1ads"); | |
113 | ||
cfca8b53 | 114 | /* UART */ |
d112f4e4 UKK |
115 | imx1_add_imx_uart0(&uart0_pdata); |
116 | imx1_add_imx_uart1(&uart1_pdata); | |
cfca8b53 PZ |
117 | |
118 | /* Physmap flash */ | |
f2f07be0 UKK |
119 | platform_device_register_resndata(NULL, "physmap-flash", 0, |
120 | &flash_resource, 1, | |
121 | &mx1ads_flash_data, sizeof(mx1ads_flash_data)); | |
b8b19b0d SH |
122 | |
123 | /* I2C */ | |
b8b19b0d SH |
124 | i2c_register_board_info(0, mx1ads_i2c_devices, |
125 | ARRAY_SIZE(mx1ads_i2c_devices)); | |
126 | ||
77a406da | 127 | imx1_add_imx_i2c(&mx1ads_i2c_data); |
cfca8b53 PZ |
128 | } |
129 | ||
130 | static void __init mx1ads_timer_init(void) | |
131 | { | |
30c730f8 | 132 | mx1_clocks_init(32000); |
cfca8b53 PZ |
133 | } |
134 | ||
cfca8b53 PZ |
135 | MACHINE_START(MX1ADS, "Freescale MX1ADS") |
136 | /* Maintainer: Sascha Hauer, Pengutronix */ | |
dc8f1907 | 137 | .atag_offset = 0x100, |
3dac2196 UKK |
138 | .map_io = mx1_map_io, |
139 | .init_early = imx1_init_early, | |
140 | .init_irq = mx1_init_irq, | |
ffa2ea3f | 141 | .handle_irq = imx1_handle_irq, |
6bb27d73 | 142 | .init_time = mx1ads_timer_init, |
3dac2196 | 143 | .init_machine = mx1ads_init, |
65ea7884 | 144 | .restart = mxc_restart, |
cfca8b53 PZ |
145 | MACHINE_END |
146 | ||
147 | MACHINE_START(MXLADS, "Freescale MXLADS") | |
dc8f1907 | 148 | .atag_offset = 0x100, |
3dac2196 UKK |
149 | .map_io = mx1_map_io, |
150 | .init_early = imx1_init_early, | |
151 | .init_irq = mx1_init_irq, | |
ffa2ea3f | 152 | .handle_irq = imx1_handle_irq, |
6bb27d73 | 153 | .init_time = mx1ads_timer_init, |
3dac2196 | 154 | .init_machine = mx1ads_init, |
65ea7884 | 155 | .restart = mxc_restart, |
cfca8b53 | 156 | MACHINE_END |