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1 /* linux/arch/arm/mach-s3c64xx/cpu.c
2  *
3  * Copyright 2009 Simtec Electronics
4  *	Ben Dooks <ben@simtec.co.uk>
5  *	http://armlinux.simtec.co.uk/
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  * NOTE: Code in this file is not used when booting with Device Tree support.
14  */
15 
16 #include <linux/kernel.h>
17 #include <linux/types.h>
18 #include <linux/interrupt.h>
19 #include <linux/list.h>
20 #include <linux/timer.h>
21 #include <linux/init.h>
22 #include <linux/clk.h>
23 #include <linux/io.h>
24 #include <linux/device.h>
25 #include <linux/serial_core.h>
26 #include <linux/serial_s3c.h>
27 #include <linux/platform_device.h>
28 #include <linux/of.h>
29 
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
32 #include <asm/mach/irq.h>
33 
34 #include <mach/hardware.h>
35 #include <asm/irq.h>
36 
37 #include <plat/cpu-freq.h>
38 #include <mach/regs-clock.h>
39 
40 #include <plat/cpu.h>
41 #include <plat/devs.h>
42 #include <plat/sdhci.h>
43 #include <plat/iic-core.h>
44 
45 #include "common.h"
46 #include "onenand-core.h"
47 
s3c6400_map_io(void)48 void __init s3c6400_map_io(void)
49 {
50 	/* setup SDHCI */
51 
52 	s3c6400_default_sdhci0();
53 	s3c6400_default_sdhci1();
54 	s3c6400_default_sdhci2();
55 
56 	/* the i2c devices are directly compatible with s3c2440 */
57 	s3c_i2c0_setname("s3c2440-i2c");
58 
59 	s3c_device_nand.name = "s3c6400-nand";
60 
61 	s3c_onenand_setname("s3c6400-onenand");
62 	s3c64xx_onenand1_setname("s3c6400-onenand");
63 }
64 
s3c6400_init_irq(void)65 void __init s3c6400_init_irq(void)
66 {
67 	/* VIC0 does not have IRQS 5..7,
68 	 * VIC1 is fully populated. */
69 	s3c64xx_init_irq(~0 & ~(0xf << 5), ~0);
70 }
71 
72 static struct bus_type s3c6400_subsys = {
73 	.name		= "s3c6400-core",
74 	.dev_name	= "s3c6400-core",
75 };
76 
77 static struct device s3c6400_dev = {
78 	.bus	= &s3c6400_subsys,
79 };
80 
s3c6400_core_init(void)81 static int __init s3c6400_core_init(void)
82 {
83 	/* Not applicable when using DT. */
84 	if (of_have_populated_dt())
85 		return 0;
86 
87 	return subsys_system_register(&s3c6400_subsys, NULL);
88 }
89 
90 core_initcall(s3c6400_core_init);
91 
s3c6400_init(void)92 int __init s3c6400_init(void)
93 {
94 	printk("S3C6400: Initialising architecture\n");
95 
96 	return device_register(&s3c6400_dev);
97 }
98