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#include <linux/gpio.h>
18
19#include <asm/mach-types.h>
20#include <asm/mach/arch.h>
21#include <asm/mach/time.h>
22
23#include "common.h"
24#include "devices-imx1.h"
25#include "hardware.h"
26#include "iomux-mx1.h"
27
28/*
29 * This scb9328 has a 32MiB flash
30 */
31static struct resource flash_resource = {
32	.start	= MX1_CS0_PHYS,
33	.end	= MX1_CS0_PHYS + (32 * 1024 * 1024) - 1,
34	.flags	= IORESOURCE_MEM,
35};
36
37static struct physmap_flash_data scb_flash_data = {
38	.width  = 2,
39};
40
41static struct platform_device scb_flash_device = {
42	.name		= "physmap-flash",
43	.id		= 0,
44	.dev = {
45		.platform_data = &scb_flash_data,
46	},
47	.resource = &flash_resource,
48	.num_resources = 1,
49};
50
51/*
52 * scb9328 has a DM9000 network controller
53 * connected to CS5, with 16 bit data path
54 * and interrupt connected to GPIO 3
55 */
56
57/*
58 * internal datapath is fixed 16 bit
59 */
60static struct dm9000_plat_data dm9000_platdata = {
61	.flags	= DM9000_PLATF_16BITONLY,
62};
63
64/*
65 * the DM9000 drivers wants two defined address spaces
66 * to gain access to address latch registers and the data path.
67 */
68static struct resource dm9000x_resources[] = {
69	{
70		.name	= "address area",
71		.start	= MX1_CS5_PHYS,
72		.end	= MX1_CS5_PHYS + 1,
73		.flags	= IORESOURCE_MEM,	/* address access */
74	}, {
75		.name	= "data area",
76		.start	= MX1_CS5_PHYS + 4,
77		.end	= MX1_CS5_PHYS + 5,
78		.flags	= IORESOURCE_MEM,	/* data access */
79	}, {
80		/* irq number is run-time assigned */
81		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
82	},
83};
84
85static struct platform_device dm9000x_device = {
86	.name		= "dm9000",
87	.id		= 0,
88	.num_resources	= ARRAY_SIZE(dm9000x_resources),
89	.resource	= dm9000x_resources,
90	.dev		= {
91		.platform_data = &dm9000_platdata,
92	}
93};
94
95static const int mxc_uart1_pins[] = {
96	PC9_PF_UART1_CTS,
97	PC10_PF_UART1_RTS,
98	PC11_PF_UART1_TXD,
99	PC12_PF_UART1_RXD,
100};
101
102static const struct imxuart_platform_data uart_pdata __initconst = {
103	.flags = IMXUART_HAVE_RTSCTS,
104};
105
106static struct platform_device *devices[] __initdata = {
107	&scb_flash_device,
108	&dm9000x_device,
109};
110
111/*
112 * scb9328_init - Init the CPU card itself
113 */
114static void __init scb9328_init(void)
115{
116	imx1_soc_init();
117
118	mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
119			ARRAY_SIZE(mxc_uart1_pins), "UART1");
120
121	imx1_add_imx_uart0(&uart_pdata);
122
123	printk(KERN_INFO"Scb9328: Adding devices\n");
124	dm9000x_resources[2].start = gpio_to_irq(IMX_GPIO_NR(3, 3));
125	dm9000x_resources[2].end = gpio_to_irq(IMX_GPIO_NR(3, 3));
126	platform_add_devices(devices, ARRAY_SIZE(devices));
127}
128
129static void __init scb9328_timer_init(void)
130{
131	mx1_clocks_init(32000);
132}
133
134MACHINE_START(SCB9328, "Synertronixx scb9328")
135	/* Sascha Hauer */
136	.atag_offset = 100,
137	.map_io = mx1_map_io,
138	.init_early = imx1_init_early,
139	.init_irq = mx1_init_irq,
140	.init_time	= scb9328_timer_init,
141	.init_machine = scb9328_init,
142	.restart	= mxc_restart,
143MACHINE_END
144