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Ben Dooks431107e2010-01-26 10:11:04 +09001/* linux/arch/arm/mach-s3c64xx/cpu.c
Ben Dooksa6925c12009-03-24 17:25:40 +00002 *
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
Tomasz Figac836c902013-08-26 02:37:34 +090012/*
13 * NOTE: Code in this file is not used when booting with Device Tree support.
14 */
15
Ben Dooksa6925c12009-03-24 17:25:40 +000016#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>
Kay Sievers4a858cf2011-12-21 16:01:38 -080024#include <linux/device.h>
Ben Dooksa6925c12009-03-24 17:25:40 +000025#include <linux/serial_core.h>
Tushar Behera334a1c72014-02-14 10:32:45 +090026#include <linux/serial_s3c.h>
Ben Dooksa6925c12009-03-24 17:25:40 +000027#include <linux/platform_device.h>
Tomasz Figac836c902013-08-26 02:37:34 +090028#include <linux/of.h>
Ben Dooksa6925c12009-03-24 17:25:40 +000029
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>
Ben Dooks3501c9a2010-01-26 10:45:40 +090038#include <mach/regs-clock.h>
Ben Dooksa6925c12009-03-24 17:25:40 +000039
40#include <plat/cpu.h>
41#include <plat/devs.h>
Ben Dooksa6925c12009-03-24 17:25:40 +000042#include <plat/sdhci.h>
43#include <plat/iic-core.h>
Marek Szyprowski999304b2010-05-20 08:59:05 +020044#include <plat/onenand-core.h>
Kukjin Kimb024043b2011-12-22 23:27:42 +010045
46#include "common.h"
Ben Dooksa6925c12009-03-24 17:25:40 +000047
48void __init s3c6400_map_io(void)
49{
Ben Dooks4faf68672009-03-25 11:01:24 +000050 /* setup SDHCI */
51
52 s3c6400_default_sdhci0();
53 s3c6400_default_sdhci1();
Maurus Cuelenaere92b118f2009-11-23 13:34:46 +010054 s3c6400_default_sdhci2();
Ben Dooks4faf68672009-03-25 11:01:24 +000055
56 /* the i2c devices are directly compatible with s3c2440 */
Ben Dooksa6925c12009-03-24 17:25:40 +000057 s3c_i2c0_setname("s3c2440-i2c");
Peter Korsgaard14077ea2009-07-01 17:47:06 +020058
59 s3c_device_nand.name = "s3c6400-nand";
Marek Szyprowski999304b2010-05-20 08:59:05 +020060
61 s3c_onenand_setname("s3c6400-onenand");
62 s3c64xx_onenand1_setname("s3c6400-onenand");
Ben Dooksa6925c12009-03-24 17:25:40 +000063}
64
Ben Dooksa6925c12009-03-24 17:25:40 +000065void __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
Kay Sievers4a858cf2011-12-21 16:01:38 -080072static struct bus_type s3c6400_subsys = {
73 .name = "s3c6400-core",
74 .dev_name = "s3c6400-core",
Ben Dooksa6925c12009-03-24 17:25:40 +000075};
76
Kay Sievers4a858cf2011-12-21 16:01:38 -080077static struct device s3c6400_dev = {
78 .bus = &s3c6400_subsys,
Ben Dooksa6925c12009-03-24 17:25:40 +000079};
80
81static int __init s3c6400_core_init(void)
82{
Tomasz Figac836c902013-08-26 02:37:34 +090083 /* Not applicable when using DT. */
84 if (of_have_populated_dt())
85 return 0;
86
Kay Sievers4a858cf2011-12-21 16:01:38 -080087 return subsys_system_register(&s3c6400_subsys, NULL);
Ben Dooksa6925c12009-03-24 17:25:40 +000088}
89
90core_initcall(s3c6400_core_init);
91
92int __init s3c6400_init(void)
93{
94 printk("S3C6400: Initialising architecture\n");
95
Kay Sievers4a858cf2011-12-21 16:01:38 -080096 return device_register(&s3c6400_dev);
Ben Dooksa6925c12009-03-24 17:25:40 +000097}