1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Copyright 2009 Simtec Electronics
4 //	Ben Dooks <ben@simtec.co.uk>
5 //	http://armlinux.simtec.co.uk/
6 
7 /*
8  * NOTE: Code in this file is not used when booting with Device Tree support.
9  */
10 
11 #include <linux/kernel.h>
12 #include <linux/types.h>
13 #include <linux/interrupt.h>
14 #include <linux/list.h>
15 #include <linux/timer.h>
16 #include <linux/init.h>
17 #include <linux/clk.h>
18 #include <linux/io.h>
19 #include <linux/device.h>
20 #include <linux/serial_core.h>
21 #include <linux/serial_s3c.h>
22 #include <linux/platform_device.h>
23 #include <linux/of.h>
24 
25 #include <asm/mach/arch.h>
26 #include <asm/mach/map.h>
27 #include <asm/mach/irq.h>
28 
29 #include <mach/hardware.h>
30 #include <asm/irq.h>
31 
32 #include <plat/cpu-freq.h>
33 #include <mach/regs-clock.h>
34 
35 #include <plat/cpu.h>
36 #include <plat/devs.h>
37 #include <plat/sdhci.h>
38 #include <plat/iic-core.h>
39 
40 #include "common.h"
41 #include "onenand-core.h"
42 
s3c6400_map_io(void)43 void __init s3c6400_map_io(void)
44 {
45 	/* setup SDHCI */
46 
47 	s3c6400_default_sdhci0();
48 	s3c6400_default_sdhci1();
49 	s3c6400_default_sdhci2();
50 
51 	/* the i2c devices are directly compatible with s3c2440 */
52 	s3c_i2c0_setname("s3c2440-i2c");
53 
54 	s3c_device_nand.name = "s3c6400-nand";
55 
56 	s3c_onenand_setname("s3c6400-onenand");
57 	s3c64xx_onenand1_setname("s3c6400-onenand");
58 }
59 
s3c6400_init_irq(void)60 void __init s3c6400_init_irq(void)
61 {
62 	/* VIC0 does not have IRQS 5..7,
63 	 * VIC1 is fully populated. */
64 	s3c64xx_init_irq(~0 & ~(0xf << 5), ~0);
65 }
66 
67 static struct bus_type s3c6400_subsys = {
68 	.name		= "s3c6400-core",
69 	.dev_name	= "s3c6400-core",
70 };
71 
72 static struct device s3c6400_dev = {
73 	.bus	= &s3c6400_subsys,
74 };
75 
s3c6400_core_init(void)76 static int __init s3c6400_core_init(void)
77 {
78 	/* Not applicable when using DT. */
79 	if (of_have_populated_dt() || soc_is_s3c64xx())
80 		return 0;
81 
82 	return subsys_system_register(&s3c6400_subsys, NULL);
83 }
84 
85 core_initcall(s3c6400_core_init);
86 
s3c6400_init(void)87 int __init s3c6400_init(void)
88 {
89 	printk("S3C6400: Initialising architecture\n");
90 
91 	return device_register(&s3c6400_dev);
92 }
93