diff options
Diffstat (limited to 'arch/arm/mach-mx1/mach-scb9328.c')
-rw-r--r-- | arch/arm/mach-mx1/mach-scb9328.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/arch/arm/mach-mx1/mach-scb9328.c b/arch/arm/mach-mx1/mach-scb9328.c new file mode 100644 index 000000000000..7587a7a12460 --- /dev/null +++ b/arch/arm/mach-mx1/mach-scb9328.c | |||
@@ -0,0 +1,158 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-mx1/mach-scb9328.c | ||
3 | * | ||
4 | * Copyright (c) 2004 Sascha Hauer <saschahauer@web.de> | ||
5 | * Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | * | ||
11 | */ | ||
12 | |||
13 | #include <linux/platform_device.h> | ||
14 | #include <linux/mtd/physmap.h> | ||
15 | #include <linux/interrupt.h> | ||
16 | #include <linux/dm9000.h> | ||
17 | |||
18 | #include <asm/mach-types.h> | ||
19 | #include <asm/mach/arch.h> | ||
20 | #include <asm/mach/time.h> | ||
21 | |||
22 | #include <mach/common.h> | ||
23 | #include <mach/hardware.h> | ||
24 | #include <mach/irqs.h> | ||
25 | #include <mach/imx-uart.h> | ||
26 | #include <mach/iomux-mx1.h> | ||
27 | |||
28 | #include "devices.h" | ||
29 | |||
30 | /* | ||
31 | * This scb9328 has a 32MiB flash | ||
32 | */ | ||
33 | static struct resource flash_resource = { | ||
34 | .start = IMX_CS0_PHYS, | ||
35 | .end = IMX_CS0_PHYS + (32 * 1024 * 1024) - 1, | ||
36 | .flags = IORESOURCE_MEM, | ||
37 | }; | ||
38 | |||
39 | static struct physmap_flash_data scb_flash_data = { | ||
40 | .width = 2, | ||
41 | }; | ||
42 | |||
43 | static struct platform_device scb_flash_device = { | ||
44 | .name = "physmap-flash", | ||
45 | .id = 0, | ||
46 | .dev = { | ||
47 | .platform_data = &scb_flash_data, | ||
48 | }, | ||
49 | .resource = &flash_resource, | ||
50 | .num_resources = 1, | ||
51 | }; | ||
52 | |||
53 | /* | ||
54 | * scb9328 has a DM9000 network controller | ||
55 | * connected to CS5, with 16 bit data path | ||
56 | * and interrupt connected to GPIO 3 | ||
57 | */ | ||
58 | |||
59 | /* | ||
60 | * internal datapath is fixed 16 bit | ||
61 | */ | ||
62 | static struct dm9000_plat_data dm9000_platdata = { | ||
63 | .flags = DM9000_PLATF_16BITONLY, | ||
64 | }; | ||
65 | |||
66 | /* | ||
67 | * the DM9000 drivers wants two defined address spaces | ||
68 | * to gain access to address latch registers and the data path. | ||
69 | */ | ||
70 | static struct resource dm9000x_resources[] = { | ||
71 | { | ||
72 | .name = "address area", | ||
73 | .start = IMX_CS5_PHYS, | ||
74 | .end = IMX_CS5_PHYS + 1, | ||
75 | .flags = IORESOURCE_MEM, /* address access */ | ||
76 | }, { | ||
77 | .name = "data area", | ||
78 | .start = IMX_CS5_PHYS + 4, | ||
79 | .end = IMX_CS5_PHYS + 5, | ||
80 | .flags = IORESOURCE_MEM, /* data access */ | ||
81 | }, { | ||
82 | .start = IRQ_GPIOC(3), | ||
83 | .end = IRQ_GPIOC(3), | ||
84 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, | ||
85 | }, | ||
86 | }; | ||
87 | |||
88 | static struct platform_device dm9000x_device = { | ||
89 | .name = "dm9000", | ||
90 | .id = 0, | ||
91 | .num_resources = ARRAY_SIZE(dm9000x_resources), | ||
92 | .resource = dm9000x_resources, | ||
93 | .dev = { | ||
94 | .platform_data = &dm9000_platdata, | ||
95 | } | ||
96 | }; | ||
97 | |||
98 | static int mxc_uart1_pins[] = { | ||
99 | PC9_PF_UART1_CTS, | ||
100 | PC10_PF_UART1_RTS, | ||
101 | PC11_PF_UART1_TXD, | ||
102 | PC12_PF_UART1_RXD, | ||
103 | }; | ||
104 | |||
105 | static int uart1_mxc_init(struct platform_device *pdev) | ||
106 | { | ||
107 | return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, | ||
108 | ARRAY_SIZE(mxc_uart1_pins), "UART1"); | ||
109 | } | ||
110 | |||
111 | static int uart1_mxc_exit(struct platform_device *pdev) | ||
112 | { | ||
113 | mxc_gpio_release_multiple_pins(mxc_uart1_pins, | ||
114 | ARRAY_SIZE(mxc_uart1_pins)); | ||
115 | return 0; | ||
116 | } | ||
117 | |||
118 | static struct imxuart_platform_data uart_pdata = { | ||
119 | .init = uart1_mxc_init, | ||
120 | .exit = uart1_mxc_exit, | ||
121 | .flags = IMXUART_HAVE_RTSCTS, | ||
122 | }; | ||
123 | |||
124 | static struct platform_device *devices[] __initdata = { | ||
125 | &scb_flash_device, | ||
126 | &dm9000x_device, | ||
127 | }; | ||
128 | |||
129 | /* | ||
130 | * scb9328_init - Init the CPU card itself | ||
131 | */ | ||
132 | static void __init scb9328_init(void) | ||
133 | { | ||
134 | mxc_register_device(&imx_uart1_device, &uart_pdata); | ||
135 | |||
136 | printk(KERN_INFO"Scb9328: Adding devices\n"); | ||
137 | platform_add_devices(devices, ARRAY_SIZE(devices)); | ||
138 | } | ||
139 | |||
140 | static void __init scb9328_timer_init(void) | ||
141 | { | ||
142 | mx1_clocks_init(32000); | ||
143 | } | ||
144 | |||
145 | static struct sys_timer scb9328_timer = { | ||
146 | .init = scb9328_timer_init, | ||
147 | }; | ||
148 | |||
149 | MACHINE_START(SCB9328, "Synertronixx scb9328") | ||
150 | /* Sascha Hauer */ | ||
151 | .phys_io = 0x00200000, | ||
152 | .io_pg_offst = ((0xe0200000) >> 18) & 0xfffc, | ||
153 | .boot_params = 0x08000100, | ||
154 | .map_io = mx1_map_io, | ||
155 | .init_irq = mx1_init_irq, | ||
156 | .timer = &scb9328_timer, | ||
157 | .init_machine = scb9328_init, | ||
158 | MACHINE_END | ||