xref: /OK3568_Linux_fs/kernel/arch/arm/mach-s3c/s3c6410.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun //
3*4882a593Smuzhiyun // Copyright 2008 Simtec Electronics
4*4882a593Smuzhiyun // Copyright 2008 Simtec Electronics
5*4882a593Smuzhiyun //	Ben Dooks <ben@simtec.co.uk>
6*4882a593Smuzhiyun //	http://armlinux.simtec.co.uk/
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun /*
9*4882a593Smuzhiyun  * NOTE: Code in this file is not used when booting with Device Tree support.
10*4882a593Smuzhiyun  */
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include <linux/kernel.h>
13*4882a593Smuzhiyun #include <linux/types.h>
14*4882a593Smuzhiyun #include <linux/interrupt.h>
15*4882a593Smuzhiyun #include <linux/list.h>
16*4882a593Smuzhiyun #include <linux/timer.h>
17*4882a593Smuzhiyun #include <linux/init.h>
18*4882a593Smuzhiyun #include <linux/clk.h>
19*4882a593Smuzhiyun #include <linux/io.h>
20*4882a593Smuzhiyun #include <linux/device.h>
21*4882a593Smuzhiyun #include <linux/serial_core.h>
22*4882a593Smuzhiyun #include <linux/serial_s3c.h>
23*4882a593Smuzhiyun #include <linux/platform_device.h>
24*4882a593Smuzhiyun #include <linux/of.h>
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #include <asm/mach/arch.h>
27*4882a593Smuzhiyun #include <asm/mach/map.h>
28*4882a593Smuzhiyun #include <asm/mach/irq.h>
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun #include <asm/irq.h>
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun #include <linux/soc/samsung/s3c-pm.h>
33*4882a593Smuzhiyun #include "regs-clock.h"
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #include "cpu.h"
36*4882a593Smuzhiyun #include "devs.h"
37*4882a593Smuzhiyun #include "sdhci.h"
38*4882a593Smuzhiyun #include "adc-core.h"
39*4882a593Smuzhiyun #include "iic-core.h"
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun #include "ata-core-s3c64xx.h"
42*4882a593Smuzhiyun #include "s3c64xx.h"
43*4882a593Smuzhiyun #include "onenand-core-s3c64xx.h"
44*4882a593Smuzhiyun 
s3c6410_map_io(void)45*4882a593Smuzhiyun void __init s3c6410_map_io(void)
46*4882a593Smuzhiyun {
47*4882a593Smuzhiyun 	/* initialise device information early */
48*4882a593Smuzhiyun 	s3c6410_default_sdhci0();
49*4882a593Smuzhiyun 	s3c6410_default_sdhci1();
50*4882a593Smuzhiyun 	s3c6410_default_sdhci2();
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun 	/* the i2c devices are directly compatible with s3c2440 */
53*4882a593Smuzhiyun 	s3c_i2c0_setname("s3c2440-i2c");
54*4882a593Smuzhiyun 	s3c_i2c1_setname("s3c2440-i2c");
55*4882a593Smuzhiyun 
56*4882a593Smuzhiyun 	s3c_adc_setname("s3c64xx-adc");
57*4882a593Smuzhiyun 	s3c_device_nand.name = "s3c6400-nand";
58*4882a593Smuzhiyun 	s3c_onenand_setname("s3c6410-onenand");
59*4882a593Smuzhiyun 	s3c64xx_onenand1_setname("s3c6410-onenand");
60*4882a593Smuzhiyun 	s3c_cfcon_setname("s3c64xx-pata");
61*4882a593Smuzhiyun }
62*4882a593Smuzhiyun 
s3c6410_init_irq(void)63*4882a593Smuzhiyun void __init s3c6410_init_irq(void)
64*4882a593Smuzhiyun {
65*4882a593Smuzhiyun 	/* VIC0 is missing IRQ7, VIC1 is fully populated. */
66*4882a593Smuzhiyun 	s3c64xx_init_irq(~0 & ~(1 << 7), ~0);
67*4882a593Smuzhiyun }
68*4882a593Smuzhiyun 
69*4882a593Smuzhiyun struct bus_type s3c6410_subsys = {
70*4882a593Smuzhiyun 	.name		= "s3c6410-core",
71*4882a593Smuzhiyun 	.dev_name	= "s3c6410-core",
72*4882a593Smuzhiyun };
73*4882a593Smuzhiyun 
74*4882a593Smuzhiyun static struct device s3c6410_dev = {
75*4882a593Smuzhiyun 	.bus	= &s3c6410_subsys,
76*4882a593Smuzhiyun };
77*4882a593Smuzhiyun 
s3c6410_core_init(void)78*4882a593Smuzhiyun static int __init s3c6410_core_init(void)
79*4882a593Smuzhiyun {
80*4882a593Smuzhiyun 	/* Not applicable when using DT. */
81*4882a593Smuzhiyun 	if (of_have_populated_dt() || !soc_is_s3c64xx())
82*4882a593Smuzhiyun 		return 0;
83*4882a593Smuzhiyun 
84*4882a593Smuzhiyun 	return subsys_system_register(&s3c6410_subsys, NULL);
85*4882a593Smuzhiyun }
86*4882a593Smuzhiyun 
87*4882a593Smuzhiyun core_initcall(s3c6410_core_init);
88*4882a593Smuzhiyun 
s3c6410_init(void)89*4882a593Smuzhiyun int __init s3c6410_init(void)
90*4882a593Smuzhiyun {
91*4882a593Smuzhiyun 	printk("S3C6410: Initialising architecture\n");
92*4882a593Smuzhiyun 
93*4882a593Smuzhiyun 	return device_register(&s3c6410_dev);
94*4882a593Smuzhiyun }
95