1/* linux/arch/arm/mach-s3c2443/s3c2443.c
2 *
3 * Copyright (c) 2007 Simtec Electronics
4 *   Ben Dooks <ben@simtec.co.uk>
5 *
6 * Samsung S3C2443 Mobile CPU support
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#include <linux/kernel.h>
14#include <linux/types.h>
15#include <linux/interrupt.h>
16#include <linux/list.h>
17#include <linux/timer.h>
18#include <linux/init.h>
19#include <linux/gpio.h>
20#include <linux/platform_device.h>
21#include <linux/serial_core.h>
22#include <linux/device.h>
23#include <linux/clk.h>
24#include <linux/io.h>
25#include <linux/reboot.h>
26
27#include <asm/mach/arch.h>
28#include <asm/mach/map.h>
29#include <asm/mach/irq.h>
30
31#include <mach/hardware.h>
32#include <mach/gpio-samsung.h>
33#include <asm/irq.h>
34#include <asm/system_misc.h>
35
36#include <mach/regs-s3c2443-clock.h>
37#include <mach/rtc-core.h>
38
39#include <plat/gpio-core.h>
40#include <plat/gpio-cfg.h>
41#include <plat/gpio-cfg-helpers.h>
42#include <plat/devs.h>
43#include <plat/cpu.h>
44#include <plat/adc-core.h>
45
46#include "fb-core.h"
47#include "nand-core.h"
48#include "spi-core.h"
49
50static struct map_desc s3c2443_iodesc[] __initdata = {
51	IODESC_ENT(WATCHDOG),
52	IODESC_ENT(CLKPWR),
53	IODESC_ENT(TIMER),
54};
55
56struct bus_type s3c2443_subsys = {
57	.name = "s3c2443-core",
58	.dev_name = "s3c2443-core",
59};
60
61static struct device s3c2443_dev = {
62	.bus		= &s3c2443_subsys,
63};
64
65int __init s3c2443_init(void)
66{
67	printk("S3C2443: Initialising architecture\n");
68
69	s3c_nand_setname("s3c2412-nand");
70	s3c_fb_setname("s3c2443-fb");
71
72	s3c_adc_setname("s3c2443-adc");
73	s3c_rtc_setname("s3c2443-rtc");
74
75	/* change WDT IRQ number */
76	s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
77	s3c_device_wdt.resource[1].end   = IRQ_S3C2443_WDT;
78
79	return device_register(&s3c2443_dev);
80}
81
82void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no)
83{
84	s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
85}
86
87/* s3c2443_map_io
88 *
89 * register the standard cpu IO areas, and any passed in from the
90 * machine specific initialisation.
91 */
92
93void __init s3c2443_map_io(void)
94{
95	s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull;
96	s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull;
97
98	/* initialize device information early */
99	s3c64xx_spi_setname("s3c2443-spi");
100
101	iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc));
102}
103
104/* need to register the subsystem before we actually register the device, and
105 * we also need to ensure that it has been initialised before any of the
106 * drivers even try to use it (even if not on an s3c2443 based system)
107 * as a driver which may support both 2443 and 2440 may try and use it.
108*/
109
110static int __init s3c2443_core_init(void)
111{
112	return subsys_system_register(&s3c2443_subsys, NULL);
113}
114
115core_initcall(s3c2443_core_init);
116