1 /* linux/arch/arm/mach-s3c2443/s3c2443.c
3 * Copyright (c) 2007 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
6 * Samsung S3C2443 Mobile CPU support
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.
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/sysdev.h>
23 #include <linux/clk.h>
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
30 #include <mach/hardware.h>
33 #include <mach/regs-s3c2443-clock.h>
34 #include <mach/reset.h>
36 #include <plat/gpio-core.h>
37 #include <plat/gpio-cfg.h>
38 #include <plat/gpio-cfg-helpers.h>
39 #include <plat/s3c2443.h>
40 #include <plat/devs.h>
42 #include <plat/fb-core.h>
43 #include <plat/nand-core.h>
45 static struct map_desc s3c2443_iodesc[] __initdata = {
51 struct sysdev_class s3c2443_sysclass = {
52 .name = "s3c2443-core",
55 static struct sys_device s3c2443_sysdev = {
56 .cls = &s3c2443_sysclass,
59 static void s3c2443_hard_reset(void)
61 __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST);
64 int __init s3c2443_init(void)
66 printk("S3C2443: Initialising architecture\n");
68 s3c24xx_reset_hook = s3c2443_hard_reset;
70 s3c_nand_setname("s3c2412-nand");
71 s3c_fb_setname("s3c2443-fb");
73 /* change WDT IRQ number */
74 s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
75 s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT;
77 return sysdev_register(&s3c2443_sysdev);
80 void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no)
82 s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
87 * register the standard cpu IO areas, and any passed in from the
88 * machine specific initialisation.
91 void __init s3c2443_map_io(void)
93 s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_s3c2443;
94 s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_s3c2443;
96 iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc));
99 /* need to register class before we actually register the device, and
100 * we also need to ensure that it has been initialised before any of the
101 * drivers even try to use it (even if not on an s3c2443 based system)
102 * as a driver which may support both 2443 and 2440 may try and use it.
105 static int __init s3c2443_core_init(void)
107 return sysdev_class_register(&s3c2443_sysclass);
110 core_initcall(s3c2443_core_init);