diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-mx1ads.c')
-rw-r--r-- | arch/arm/mach-imx/mach-mx1ads.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-mx1ads.c b/arch/arm/mach-imx/mach-mx1ads.c new file mode 100644 index 000000000000..77a760cfadc0 --- /dev/null +++ b/arch/arm/mach-imx/mach-mx1ads.c | |||
@@ -0,0 +1,165 @@ | |||
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/iomux-mx1.h> | ||
30 | #include <mach/irqs.h> | ||
31 | |||
32 | #include "devices-imx1.h" | ||
33 | #include "devices.h" | ||
34 | |||
35 | static 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 | |||
61 | static const struct imxuart_platform_data uart0_pdata __initconst = { | ||
62 | .flags = IMXUART_HAVE_RTSCTS, | ||
63 | }; | ||
64 | |||
65 | static const struct imxuart_platform_data uart1_pdata __initconst = { | ||
66 | .flags = IMXUART_HAVE_RTSCTS, | ||
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 = { | ||
78 | .start = MX1_CS0_PHYS, | ||
79 | .end = MX1_CS0_PHYS + SZ_32M - 1, | ||
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 | |||
90 | /* | ||
91 | * I2C | ||
92 | */ | ||
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 const struct imxi2c_platform_data mx1ads_i2c_data __initconst = { | ||
102 | .bitrate = 100000, | ||
103 | }; | ||
104 | |||
105 | static 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 | */ | ||
118 | static void __init mx1ads_init(void) | ||
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_i2c_imx(&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 | .phys_io = MX1_IO_BASE_ADDR, | ||
149 | .io_pg_offst = (MX1_IO_BASE_ADDR_VIRT >> 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, | ||
155 | MACHINE_END | ||
156 | |||
157 | MACHINE_START(MXLADS, "Freescale MXLADS") | ||
158 | .phys_io = MX1_IO_BASE_ADDR, | ||
159 | .io_pg_offst = (MX1_IO_BASE_ADDR_VIRT >> 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, | ||
165 | MACHINE_END | ||