Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
[linux-2.6.git] / arch / arm / mach-imx / mach-scb9328.c
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/iomux-mx1.h>
26
27 #include "devices-imx1.h"
28
29 /*
30  * This scb9328 has a 32MiB flash
31  */
32 static struct resource flash_resource = {
33         .start  = MX1_CS0_PHYS,
34         .end    = MX1_CS0_PHYS + (32 * 1024 * 1024) - 1,
35         .flags  = IORESOURCE_MEM,
36 };
37
38 static struct physmap_flash_data scb_flash_data = {
39         .width  = 2,
40 };
41
42 static struct platform_device scb_flash_device = {
43         .name           = "physmap-flash",
44         .id             = 0,
45         .dev = {
46                 .platform_data = &scb_flash_data,
47         },
48         .resource = &flash_resource,
49         .num_resources = 1,
50 };
51
52 /*
53  * scb9328 has a DM9000 network controller
54  * connected to CS5, with 16 bit data path
55  * and interrupt connected to GPIO 3
56  */
57
58 /*
59  * internal datapath is fixed 16 bit
60  */
61 static struct dm9000_plat_data dm9000_platdata = {
62         .flags  = DM9000_PLATF_16BITONLY,
63 };
64
65 /*
66  * the DM9000 drivers wants two defined address spaces
67  * to gain access to address latch registers and the data path.
68  */
69 static struct resource dm9000x_resources[] = {
70         {
71                 .name   = "address area",
72                 .start  = MX1_CS5_PHYS,
73                 .end    = MX1_CS5_PHYS + 1,
74                 .flags  = IORESOURCE_MEM,       /* address access */
75         }, {
76                 .name   = "data area",
77                 .start  = MX1_CS5_PHYS + 4,
78                 .end    = MX1_CS5_PHYS + 5,
79                 .flags  = IORESOURCE_MEM,       /* data access */
80         }, {
81                 .start  = IRQ_GPIOC(3),
82                 .end    = IRQ_GPIOC(3),
83                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
84         },
85 };
86
87 static struct platform_device dm9000x_device = {
88         .name           = "dm9000",
89         .id             = 0,
90         .num_resources  = ARRAY_SIZE(dm9000x_resources),
91         .resource       = dm9000x_resources,
92         .dev            = {
93                 .platform_data = &dm9000_platdata,
94         }
95 };
96
97 static const int mxc_uart1_pins[] = {
98         PC9_PF_UART1_CTS,
99         PC10_PF_UART1_RTS,
100         PC11_PF_UART1_TXD,
101         PC12_PF_UART1_RXD,
102 };
103
104 static const struct imxuart_platform_data uart_pdata __initconst = {
105         .flags = IMXUART_HAVE_RTSCTS,
106 };
107
108 static struct platform_device *devices[] __initdata = {
109         &scb_flash_device,
110         &dm9000x_device,
111 };
112
113 /*
114  * scb9328_init - Init the CPU card itself
115  */
116 static void __init scb9328_init(void)
117 {
118         imx1_soc_init();
119
120         mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
121                         ARRAY_SIZE(mxc_uart1_pins), "UART1");
122
123         imx1_add_imx_uart0(&uart_pdata);
124
125         printk(KERN_INFO"Scb9328: Adding devices\n");
126         platform_add_devices(devices, ARRAY_SIZE(devices));
127 }
128
129 static void __init scb9328_timer_init(void)
130 {
131         mx1_clocks_init(32000);
132 }
133
134 static struct sys_timer scb9328_timer = {
135         .init   = scb9328_timer_init,
136 };
137
138 MACHINE_START(SCB9328, "Synertronixx scb9328")
139         /* Sascha Hauer */
140         .boot_params = 0x08000100,
141         .map_io = mx1_map_io,
142         .init_early = imx1_init_early,
143         .init_irq = mx1_init_irq,
144         .timer = &scb9328_timer,
145         .init_machine = scb9328_init,
146 MACHINE_END