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Sascha Hauer24205632009-01-28 17:36:37 +01001/*
Uwe Kleine-König95c00462009-12-09 20:12:07 +01002 * linux/arch/arm/mach-mx1/mach-scb9328.c
Sascha Hauer24205632009-01-28 17:36:37 +01003 *
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>
Uwe Kleine-Könige835d882010-02-16 11:07:49 +010025#include <mach/iomux-mx1.h>
Sascha Hauer24205632009-01-28 17:36:37 +010026
Uwe Kleine-Königd112f4e2010-06-22 14:50:59 +020027#include "devices-imx1.h"
Sascha Hauer24205632009-01-28 17:36:37 +010028#include "devices.h"
29
30/*
31 * This scb9328 has a 32MiB flash
32 */
33static struct resource flash_resource = {
Uwe Kleine-König05a31852010-03-04 21:02:41 +010034 .start = MX1_CS0_PHYS,
35 .end = MX1_CS0_PHYS + (32 * 1024 * 1024) - 1,
Sascha Hauer24205632009-01-28 17:36:37 +010036 .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[] = {
Sascha Hauer9b0e6db2009-06-23 12:14:39 +020071 {
Sascha Hauer24205632009-01-28 17:36:37 +010072 .name = "address area",
Uwe Kleine-König05a31852010-03-04 21:02:41 +010073 .start = MX1_CS5_PHYS,
74 .end = MX1_CS5_PHYS + 1,
Sascha Hauer9b0e6db2009-06-23 12:14:39 +020075 .flags = IORESOURCE_MEM, /* address access */
76 }, {
Sascha Hauer24205632009-01-28 17:36:37 +010077 .name = "data area",
Uwe Kleine-König05a31852010-03-04 21:02:41 +010078 .start = MX1_CS5_PHYS + 4,
79 .end = MX1_CS5_PHYS + 5,
Sascha Hauer9b0e6db2009-06-23 12:14:39 +020080 .flags = IORESOURCE_MEM, /* data access */
81 }, {
Sascha Hauer24205632009-01-28 17:36:37 +010082 .start = IRQ_GPIOC(3),
83 .end = IRQ_GPIOC(3),
Sascha Hauer9b0e6db2009-06-23 12:14:39 +020084 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
Sascha Hauer24205632009-01-28 17:36:37 +010085 },
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
Uwe Kleine-Königa02b0422010-03-05 11:04:45 +0100111static void uart1_mxc_exit(struct platform_device *pdev)
Sascha Hauer24205632009-01-28 17:36:37 +0100112{
113 mxc_gpio_release_multiple_pins(mxc_uart1_pins,
114 ARRAY_SIZE(mxc_uart1_pins));
Sascha Hauer24205632009-01-28 17:36:37 +0100115}
116
Uwe Kleine-Königd112f4e2010-06-22 14:50:59 +0200117static const struct imxuart_platform_data uart_pdata __initconst = {
Sascha Hauer24205632009-01-28 17:36:37 +0100118 .init = uart1_mxc_init,
119 .exit = uart1_mxc_exit,
120 .flags = IMXUART_HAVE_RTSCTS,
121};
122
123static struct platform_device *devices[] __initdata = {
124 &scb_flash_device,
125 &dm9000x_device,
126};
127
128/*
129 * scb9328_init - Init the CPU card itself
130 */
131static void __init scb9328_init(void)
132{
Uwe Kleine-Königd112f4e2010-06-22 14:50:59 +0200133 imx1_add_imx_uart0(&uart_pdata);
Sascha Hauer24205632009-01-28 17:36:37 +0100134
135 printk(KERN_INFO"Scb9328: Adding devices\n");
136 platform_add_devices(devices, ARRAY_SIZE(devices));
137}
138
139static void __init scb9328_timer_init(void)
140{
141 mx1_clocks_init(32000);
142}
143
144static struct sys_timer scb9328_timer = {
145 .init = scb9328_timer_init,
146};
147
148MACHINE_START(SCB9328, "Synertronixx scb9328")
149 /* Sascha Hauer */
150 .phys_io = 0x00200000,
151 .io_pg_offst = ((0xe0200000) >> 18) & 0xfffc,
152 .boot_params = 0x08000100,
Sascha Hauercd4a05f2009-04-02 22:32:10 +0200153 .map_io = mx1_map_io,
Sascha Hauerc5aa0ad2009-05-25 17:36:19 +0200154 .init_irq = mx1_init_irq,
Sascha Hauer24205632009-01-28 17:36:37 +0100155 .timer = &scb9328_timer,
156 .init_machine = scb9328_init,
157MACHINE_END