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1 | /* |
2 | * linux/arch/arm/mach-imx/mach-apf9328.c | |
3 | * | |
4 | * Copyright (c) 2005-2011 ARMadeus systems <support@armadeus.com> | |
5 | * | |
6 | * This work is based on mach-scb9328.c which is: | |
7 | * Copyright (c) 2004 Sascha Hauer <saschahauer@web.de> | |
8 | * Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | */ | |
15 | ||
16 | #include <linux/init.h> | |
17 | #include <linux/kernel.h> | |
18 | #include <linux/platform_device.h> | |
19 | #include <linux/mtd/physmap.h> | |
20 | #include <linux/dm9000.h> | |
438196c3 | 21 | #include <linux/gpio.h> |
7a994818 | 22 | #include <linux/i2c.h> |
7fc92c60 GGM |
23 | |
24 | #include <asm/mach-types.h> | |
25 | #include <asm/mach/arch.h> | |
26 | #include <asm/mach/time.h> | |
27 | ||
e3372474 | 28 | #include "common.h" |
7fc92c60 | 29 | #include "devices-imx1.h" |
50f2de61 | 30 | #include "hardware.h" |
267dd34c | 31 | #include "iomux-mx1.h" |
7fc92c60 GGM |
32 | |
33 | static const int apf9328_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, | |
7a994818 GGM |
44 | /* I2C */ |
45 | PA15_PF_I2C_SDA, | |
46 | PA16_PF_I2C_SCL, | |
7fc92c60 GGM |
47 | }; |
48 | ||
49 | /* | |
50 | * The APF9328 can have up to 32MB NOR Flash | |
51 | */ | |
52 | static struct resource flash_resource = { | |
53 | .start = MX1_CS0_PHYS, | |
54 | .end = MX1_CS0_PHYS + SZ_32M - 1, | |
55 | .flags = IORESOURCE_MEM, | |
56 | }; | |
57 | ||
58 | static struct physmap_flash_data apf9328_flash_data = { | |
59 | .width = 2, | |
60 | }; | |
61 | ||
62 | static struct platform_device apf9328_flash_device = { | |
63 | .name = "physmap-flash", | |
64 | .id = 0, | |
65 | .dev = { | |
66 | .platform_data = &apf9328_flash_data, | |
67 | }, | |
68 | .resource = &flash_resource, | |
69 | .num_resources = 1, | |
70 | }; | |
71 | ||
72 | /* | |
73 | * APF9328 has a DM9000 Ethernet controller | |
74 | */ | |
75 | static struct dm9000_plat_data dm9000_setup = { | |
76 | .flags = DM9000_PLATF_16BITONLY | |
77 | }; | |
78 | ||
79 | static struct resource dm9000_resources[] = { | |
80 | { | |
81 | .start = MX1_CS4_PHYS + 0x00C00000, | |
82 | .end = MX1_CS4_PHYS + 0x00C00001, | |
83 | .flags = IORESOURCE_MEM, | |
84 | }, { | |
85 | .start = MX1_CS4_PHYS + 0x00C00002, | |
86 | .end = MX1_CS4_PHYS + 0x00C00003, | |
87 | .flags = IORESOURCE_MEM, | |
88 | }, { | |
438196c3 | 89 | /* irq number is run-time assigned */ |
7fc92c60 GGM |
90 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, |
91 | }, | |
92 | }; | |
93 | ||
94 | static struct platform_device dm9000x_device = { | |
95 | .name = "dm9000", | |
96 | .id = 0, | |
97 | .num_resources = ARRAY_SIZE(dm9000_resources), | |
98 | .resource = dm9000_resources, | |
99 | .dev = { | |
100 | .platform_data = &dm9000_setup, | |
101 | } | |
102 | }; | |
103 | ||
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104 | static const struct imxuart_platform_data uart1_pdata __initconst = { |
105 | .flags = IMXUART_HAVE_RTSCTS, | |
106 | }; | |
107 | ||
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108 | static const struct imxi2c_platform_data apf9328_i2c_data __initconst = { |
109 | .bitrate = 100000, | |
110 | }; | |
111 | ||
7fc92c60 GGM |
112 | static struct platform_device *devices[] __initdata = { |
113 | &apf9328_flash_device, | |
114 | &dm9000x_device, | |
115 | }; | |
116 | ||
117 | static void __init apf9328_init(void) | |
118 | { | |
b78d8e59 SG |
119 | imx1_soc_init(); |
120 | ||
7fc92c60 GGM |
121 | mxc_gpio_setup_multiple_pins(apf9328_pins, |
122 | ARRAY_SIZE(apf9328_pins), | |
123 | "APF9328"); | |
124 | ||
07d1483a | 125 | imx1_add_imx_uart0(NULL); |
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126 | imx1_add_imx_uart1(&uart1_pdata); |
127 | ||
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128 | imx1_add_imx_i2c(&apf9328_i2c_data); |
129 | ||
438196c3 SG |
130 | dm9000_resources[2].start = gpio_to_irq(IMX_GPIO_NR(2, 14)); |
131 | dm9000_resources[2].end = gpio_to_irq(IMX_GPIO_NR(2, 14)); | |
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132 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
133 | } | |
134 | ||
135 | static void __init apf9328_timer_init(void) | |
136 | { | |
137 | mx1_clocks_init(32768); | |
138 | } | |
139 | ||
140 | static struct sys_timer apf9328_timer = { | |
141 | .init = apf9328_timer_init, | |
142 | }; | |
143 | ||
144 | MACHINE_START(APF9328, "Armadeus APF9328") | |
145 | /* Maintainer: Gwenhael Goavec-Merou, ARMadeus Systems */ | |
146 | .map_io = mx1_map_io, | |
147 | .init_early = imx1_init_early, | |
148 | .init_irq = mx1_init_irq, | |
ffa2ea3f | 149 | .handle_irq = imx1_handle_irq, |
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150 | .timer = &apf9328_timer, |
151 | .init_machine = apf9328_init, | |
65ea7884 | 152 | .restart = mxc_restart, |
7fc92c60 | 153 | MACHINE_END |