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-rw-r--r--arch/arm/mach-mx1/mach-scb9328.c158
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diff --git a/arch/arm/mach-mx1/mach-scb9328.c b/arch/arm/mach-mx1/mach-scb9328.c
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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 */
33static struct resource flash_resource = {
34 .start = IMX_CS0_PHYS,
35 .end = IMX_CS0_PHYS + (32 * 1024 * 1024) - 1,
36 .flags = IORESOURCE_MEM,
37};
38
39static struct physmap_flash_data scb_flash_data = {
40 .width = 2,
41};
42
43static 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 */
62static 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 */
70static 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
88static 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
98static 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
105static 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
111static 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
118static struct imxuart_platform_data uart_pdata = {
119 .init = uart1_mxc_init,
120 .exit = uart1_mxc_exit,
121 .flags = IMXUART_HAVE_RTSCTS,
122};
123
124static struct platform_device *devices[] __initdata = {
125 &scb_flash_device,
126 &dm9000x_device,
127};
128
129/*
130 * scb9328_init - Init the CPU card itself
131 */
132static 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
140static void __init scb9328_timer_init(void)
141{
142 mx1_clocks_init(32000);
143}
144
145static struct sys_timer scb9328_timer = {
146 .init = scb9328_timer_init,
147};
148
149MACHINE_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,
158MACHINE_END