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Krzysztof Kozlowski28a196f2017-12-25 20:54:33 +01001// SPDX-License-Identifier: GPL-2.0
2//
3// Copyright 2008 Simtec Electronics
4// Copyright 2008 Simtec Electronics
5// Ben Dooks <ben@simtec.co.uk>
6// http://armlinux.simtec.co.uk/
Ben Dooksd626aee2008-10-21 14:06:50 +01007
Tomasz Figac836c902013-08-26 02:37:34 +09008/*
9 * NOTE: Code in this file is not used when booting with Device Tree support.
10 */
11
Ben Dooksd626aee2008-10-21 14:06:50 +010012#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>
Kay Sievers4a858cf2011-12-21 16:01:38 -080020#include <linux/device.h>
Ben Dooksd626aee2008-10-21 14:06:50 +010021#include <linux/serial_core.h>
Tushar Behera334a1c72014-02-14 10:32:45 +090022#include <linux/serial_s3c.h>
Ben Dooksd626aee2008-10-21 14:06:50 +010023#include <linux/platform_device.h>
Tomasz Figac836c902013-08-26 02:37:34 +090024#include <linux/of.h>
Ben Dooksd626aee2008-10-21 14:06:50 +010025
26#include <asm/mach/arch.h>
27#include <asm/mach/map.h>
28#include <asm/mach/irq.h>
29
30#include <mach/hardware.h>
31#include <asm/irq.h>
32
33#include <plat/cpu-freq.h>
Ben Dooks3501c9a2010-01-26 10:45:40 +090034#include <mach/regs-clock.h>
Ben Dooksd626aee2008-10-21 14:06:50 +010035
36#include <plat/cpu.h>
37#include <plat/devs.h>
Ben Dooks5cc7fd82008-10-31 16:14:38 +000038#include <plat/sdhci.h>
Naveen Krishna Ch50e97692010-06-09 15:25:19 +053039#include <plat/adc-core.h>
Ben Dooks4f507d12008-10-31 16:15:00 +000040#include <plat/iic-core.h>
Kukjin Kimb024043b2011-12-22 23:27:42 +010041
Kukjin Kime979b1a2015-07-30 02:00:36 +090042#include "ata-core.h"
Kukjin Kimb024043b2011-12-22 23:27:42 +010043#include "common.h"
Kukjin Kimfe31d042015-07-30 02:00:47 +090044#include "onenand-core.h"
Ben Dooksd626aee2008-10-21 14:06:50 +010045
Ben Dooksd626aee2008-10-21 14:06:50 +010046void __init s3c6410_map_io(void)
47{
Ben Dooks5cc7fd82008-10-31 16:14:38 +000048 /* initialise device information early */
49 s3c6410_default_sdhci0();
Ben Dooksa2205cd2008-10-31 16:14:39 +000050 s3c6410_default_sdhci1();
Maurus Cuelenaere92b118f2009-11-23 13:34:46 +010051 s3c6410_default_sdhci2();
Ben Dooks4f507d12008-10-31 16:15:00 +000052
53 /* the i2c devices are directly compatible with s3c2440 */
54 s3c_i2c0_setname("s3c2440-i2c");
55 s3c_i2c1_setname("s3c2440-i2c");
Peter Korsgaard14077ea2009-07-01 17:47:06 +020056
Naveen Krishna Ch50e97692010-06-09 15:25:19 +053057 s3c_adc_setname("s3c64xx-adc");
Peter Korsgaard14077ea2009-07-01 17:47:06 +020058 s3c_device_nand.name = "s3c6400-nand";
Marek Szyprowski999304b2010-05-20 08:59:05 +020059 s3c_onenand_setname("s3c6410-onenand");
60 s3c64xx_onenand1_setname("s3c6410-onenand");
Abhilash Kesavan0ab0b6d2010-06-08 16:55:45 +090061 s3c_cfcon_setname("s3c64xx-pata");
Ben Dooksd626aee2008-10-21 14:06:50 +010062}
63
Ben Dooksd9b79fb2008-10-21 14:06:51 +010064void __init s3c6410_init_irq(void)
65{
66 /* VIC0 is missing IRQ7, VIC1 is fully populated. */
67 s3c64xx_init_irq(~0 & ~(1 << 7), ~0);
68}
69
Kay Sievers4a858cf2011-12-21 16:01:38 -080070struct bus_type s3c6410_subsys = {
71 .name = "s3c6410-core",
72 .dev_name = "s3c6410-core",
Ben Dooksd626aee2008-10-21 14:06:50 +010073};
74
Kay Sievers4a858cf2011-12-21 16:01:38 -080075static struct device s3c6410_dev = {
76 .bus = &s3c6410_subsys,
Ben Dooksd626aee2008-10-21 14:06:50 +010077};
78
79static int __init s3c6410_core_init(void)
80{
Tomasz Figac836c902013-08-26 02:37:34 +090081 /* Not applicable when using DT. */
Arnd Bergmanna0e157a2015-02-27 20:31:51 +010082 if (of_have_populated_dt() || !soc_is_s3c64xx())
Tomasz Figac836c902013-08-26 02:37:34 +090083 return 0;
84
Kay Sievers4a858cf2011-12-21 16:01:38 -080085 return subsys_system_register(&s3c6410_subsys, NULL);
Ben Dooksd626aee2008-10-21 14:06:50 +010086}
87
88core_initcall(s3c6410_core_init);
89
90int __init s3c6410_init(void)
91{
92 printk("S3C6410: Initialising architecture\n");
93
Kay Sievers4a858cf2011-12-21 16:01:38 -080094 return device_register(&s3c6410_dev);
Ben Dooksd626aee2008-10-21 14:06:50 +010095}