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 <asm/irq.h>
30 
31 #include "regs-clock.h"
32 
33 #include "cpu.h"
34 #include "devs.h"
35 #include "sdhci.h"
36 #include "iic-core.h"
37 
38 #include "s3c64xx.h"
39 #include "onenand-core-s3c64xx.h"
40 
s3c6400_map_io(void)41 void __init s3c6400_map_io(void)
42 {
43 	/* setup SDHCI */
44 
45 	s3c6400_default_sdhci0();
46 	s3c6400_default_sdhci1();
47 	s3c6400_default_sdhci2();
48 
49 	/* the i2c devices are directly compatible with s3c2440 */
50 	s3c_i2c0_setname("s3c2440-i2c");
51 
52 	s3c_device_nand.name = "s3c6400-nand";
53 
54 	s3c_onenand_setname("s3c6400-onenand");
55 	s3c64xx_onenand1_setname("s3c6400-onenand");
56 }
57 
s3c6400_init_irq(void)58 void __init s3c6400_init_irq(void)
59 {
60 	/* VIC0 does not have IRQS 5..7,
61 	 * VIC1 is fully populated. */
62 	s3c64xx_init_irq(~0 & ~(0xf << 5), ~0);
63 }
64 
65 static struct bus_type s3c6400_subsys = {
66 	.name		= "s3c6400-core",
67 	.dev_name	= "s3c6400-core",
68 };
69 
70 static struct device s3c6400_dev = {
71 	.bus	= &s3c6400_subsys,
72 };
73 
s3c6400_core_init(void)74 static int __init s3c6400_core_init(void)
75 {
76 	/* Not applicable when using DT. */
77 	if (of_have_populated_dt() || soc_is_s3c64xx())
78 		return 0;
79 
80 	return subsys_system_register(&s3c6400_subsys, NULL);
81 }
82 
83 core_initcall(s3c6400_core_init);
84 
s3c6400_init(void)85 int __init s3c6400_init(void)
86 {
87 	printk("S3C6400: Initialising architecture\n");
88 
89 	return device_register(&s3c6400_dev);
90 }
91