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[linux/fpc-iii.git] / arch / arm / mach-s3c2443 / s3c2443.c
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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/platform_device.h>
20 #include <linux/serial_core.h>
21 #include <linux/sysdev.h>
22 #include <linux/clk.h>
23 #include <linux/io.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach/map.h>
27 #include <asm/mach/irq.h>
29 #include <mach/hardware.h>
30 #include <asm/irq.h>
32 #include <mach/regs-s3c2443-clock.h>
33 #include <mach/reset.h>
35 #include <plat/s3c2443.h>
36 #include <plat/devs.h>
37 #include <plat/cpu.h>
39 static struct map_desc s3c2443_iodesc[] __initdata = {
40 IODESC_ENT(WATCHDOG),
41 IODESC_ENT(CLKPWR),
42 IODESC_ENT(TIMER),
45 struct sysdev_class s3c2443_sysclass = {
46 .name = "s3c2443-core",
49 static struct sys_device s3c2443_sysdev = {
50 .cls = &s3c2443_sysclass,
53 static void s3c2443_hard_reset(void)
55 __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST);
58 int __init s3c2443_init(void)
60 printk("S3C2443: Initialising architecture\n");
62 s3c24xx_reset_hook = s3c2443_hard_reset;
64 s3c_device_nand.name = "s3c2412-nand";
66 /* change WDT IRQ number */
67 s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
68 s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT;
70 return sysdev_register(&s3c2443_sysdev);
73 void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no)
75 s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
78 /* s3c2443_map_io
80 * register the standard cpu IO areas, and any passed in from the
81 * machine specific initialisation.
84 void __init s3c2443_map_io(void)
86 iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc));
89 /* need to register class before we actually register the device, and
90 * we also need to ensure that it has been initialised before any of the
91 * drivers even try to use it (even if not on an s3c2443 based system)
92 * as a driver which may support both 2443 and 2440 may try and use it.
95 static int __init s3c2443_core_init(void)
97 return sysdev_class_register(&s3c2443_sysclass);
100 core_initcall(s3c2443_core_init);