xref: /openbmc/linux/arch/arm/mach-s3c/s3c6410.c (revision 0d297df0)
1 // 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/
7 
8 /*
9  * NOTE: Code in this file is not used when booting with Device Tree support.
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/serial_s3c.h>
23 #include <linux/platform_device.h>
24 #include <linux/of.h>
25 
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
29 
30 #include <asm/irq.h>
31 
32 #include <linux/soc/samsung/s3c-pm.h>
33 #include "regs-clock.h"
34 
35 #include "cpu.h"
36 #include "devs.h"
37 #include "sdhci.h"
38 #include "iic-core.h"
39 
40 #include "s3c64xx.h"
41 
s3c6410_map_io(void)42 void __init s3c6410_map_io(void)
43 {
44 	/* initialise device information early */
45 	s3c6410_default_sdhci0();
46 	s3c6410_default_sdhci1();
47 	s3c6410_default_sdhci2();
48 
49 	/* the i2c devices are directly compatible with s3c2440 */
50 	s3c_i2c0_setname("s3c2440-i2c");
51 	s3c_i2c1_setname("s3c2440-i2c");
52 }
53 
s3c6410_init_irq(void)54 void __init s3c6410_init_irq(void)
55 {
56 	/* VIC0 is missing IRQ7, VIC1 is fully populated. */
57 	s3c64xx_init_irq(~0 & ~(1 << 7), ~0);
58 }
59 
60 struct bus_type s3c6410_subsys = {
61 	.name		= "s3c6410-core",
62 	.dev_name	= "s3c6410-core",
63 };
64 
65 static struct device s3c6410_dev = {
66 	.bus	= &s3c6410_subsys,
67 };
68 
s3c6410_core_init(void)69 static int __init s3c6410_core_init(void)
70 {
71 	/* Not applicable when using DT. */
72 	if (of_have_populated_dt() || !soc_is_s3c64xx())
73 		return 0;
74 
75 	return subsys_system_register(&s3c6410_subsys, NULL);
76 }
77 
78 core_initcall(s3c6410_core_init);
79 
s3c6410_init(void)80 int __init s3c6410_init(void)
81 {
82 	printk("S3C6410: Initialising architecture\n");
83 
84 	return device_register(&s3c6410_dev);
85 }
86