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/fb-core.h>
45#include <plat/nand-core.h>
46#include <plat/adc-core.h>
47#include <plat/spi-core.h>
48
49static struct map_desc s3c2443_iodesc[] __initdata = {
50	IODESC_ENT(WATCHDOG),
51	IODESC_ENT(CLKPWR),
52	IODESC_ENT(TIMER),
53};
54
55struct bus_type s3c2443_subsys = {
56	.name = "s3c2443-core",
57	.dev_name = "s3c2443-core",
58};
59
60static struct device s3c2443_dev = {
61	.bus		= &s3c2443_subsys,
62};
63
64int __init s3c2443_init(void)
65{
66	printk("S3C2443: Initialising architecture\n");
67
68	s3c_nand_setname("s3c2412-nand");
69	s3c_fb_setname("s3c2443-fb");
70
71	s3c_adc_setname("s3c2443-adc");
72	s3c_rtc_setname("s3c2443-rtc");
73
74	/* change WDT IRQ number */
75	s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
76	s3c_device_wdt.resource[1].end   = IRQ_S3C2443_WDT;
77
78	return device_register(&s3c2443_dev);
79}
80
81void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no)
82{
83	s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
84}
85
86/* s3c2443_map_io
87 *
88 * register the standard cpu IO areas, and any passed in from the
89 * machine specific initialisation.
90 */
91
92void __init s3c2443_map_io(void)
93{
94	s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull;
95	s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull;
96
97	/* initialize device information early */
98	s3c64xx_spi_setname("s3c2443-spi");
99
100	iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc));
101}
102
103/* need to register the subsystem before we actually register the device, and
104 * we also need to ensure that it has been initialised before any of the
105 * drivers even try to use it (even if not on an s3c2443 based system)
106 * as a driver which may support both 2443 and 2440 may try and use it.
107*/
108
109static int __init s3c2443_core_init(void)
110{
111	return subsys_system_register(&s3c2443_subsys, NULL);
112}
113
114core_initcall(s3c2443_core_init);
115