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 #include <linux/kernel.h>
13 #include <linux/types.h>
14 #include <linux/interrupt.h>
15 #include <linux/list.h>
16 #include <linux/timer.h>
17 #include <linux/init.h>
18 #include <linux/clk.h>
19 #include <linux/io.h>
20 #include <linux/device.h>
21 #include <linux/serial_core.h>
22 #include <linux/platform_device.h>
23 
24 #include <asm/mach/arch.h>
25 #include <asm/mach/map.h>
26 #include <asm/mach/irq.h>
27 
28 #include <mach/hardware.h>
29 #include <asm/irq.h>
30 
31 #include <plat/cpu-freq.h>
32 #include <plat/regs-serial.h>
33 #include <mach/regs-clock.h>
34 
35 #include <plat/cpu.h>
36 #include <plat/devs.h>
37 #include <plat/clock.h>
38 #include <plat/sdhci.h>
39 #include <plat/iic-core.h>
40 #include <plat/onenand-core.h>
41 
42 #include "common.h"
43 
s3c6400_map_io(void)44 void __init s3c6400_map_io(void)
45 {
46 	/* setup SDHCI */
47 
48 	s3c6400_default_sdhci0();
49 	s3c6400_default_sdhci1();
50 	s3c6400_default_sdhci2();
51 
52 	/* the i2c devices are directly compatible with s3c2440 */
53 	s3c_i2c0_setname("s3c2440-i2c");
54 
55 	s3c_device_nand.name = "s3c6400-nand";
56 
57 	s3c_onenand_setname("s3c6400-onenand");
58 	s3c64xx_onenand1_setname("s3c6400-onenand");
59 }
60 
s3c6400_init_clocks(int xtal)61 void __init s3c6400_init_clocks(int xtal)
62 {
63 	s3c64xx_register_clocks(xtal, S3C6400_CLKDIV0_ARM_MASK);
64 	s3c64xx_setup_clocks();
65 }
66 
s3c6400_init_irq(void)67 void __init s3c6400_init_irq(void)
68 {
69 	/* VIC0 does not have IRQS 5..7,
70 	 * VIC1 is fully populated. */
71 	s3c64xx_init_irq(~0 & ~(0xf << 5), ~0);
72 }
73 
74 static struct bus_type s3c6400_subsys = {
75 	.name		= "s3c6400-core",
76 	.dev_name	= "s3c6400-core",
77 };
78 
79 static struct device s3c6400_dev = {
80 	.bus	= &s3c6400_subsys,
81 };
82 
s3c6400_core_init(void)83 static int __init s3c6400_core_init(void)
84 {
85 	return subsys_system_register(&s3c6400_subsys, NULL);
86 }
87 
88 core_initcall(s3c6400_core_init);
89 
s3c6400_init(void)90 int __init s3c6400_init(void)
91 {
92 	printk("S3C6400: Initialising architecture\n");
93 
94 	return device_register(&s3c6400_dev);
95 }
96