xref: /OK3568_Linux_fs/kernel/arch/arm/mach-s3c/s3c2440.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun //
3*4882a593Smuzhiyun // Copyright (c) 2004-2006 Simtec Electronics
4*4882a593Smuzhiyun //   Ben Dooks <ben@simtec.co.uk>
5*4882a593Smuzhiyun //
6*4882a593Smuzhiyun // Samsung S3C2440 Mobile CPU support
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #include <linux/kernel.h>
9*4882a593Smuzhiyun #include <linux/types.h>
10*4882a593Smuzhiyun #include <linux/interrupt.h>
11*4882a593Smuzhiyun #include <linux/list.h>
12*4882a593Smuzhiyun #include <linux/timer.h>
13*4882a593Smuzhiyun #include <linux/init.h>
14*4882a593Smuzhiyun #include <linux/platform_device.h>
15*4882a593Smuzhiyun #include <linux/serial_core.h>
16*4882a593Smuzhiyun #include <linux/device.h>
17*4882a593Smuzhiyun #include <linux/syscore_ops.h>
18*4882a593Smuzhiyun #include <linux/gpio.h>
19*4882a593Smuzhiyun #include <linux/clk.h>
20*4882a593Smuzhiyun #include <linux/io.h>
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #include <asm/mach/arch.h>
23*4882a593Smuzhiyun #include <asm/mach/map.h>
24*4882a593Smuzhiyun #include <asm/mach/irq.h>
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #include <asm/irq.h>
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #include "devs.h"
29*4882a593Smuzhiyun #include "cpu.h"
30*4882a593Smuzhiyun #include "pm.h"
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun #include "gpio-core.h"
33*4882a593Smuzhiyun #include "gpio-cfg.h"
34*4882a593Smuzhiyun #include "gpio-cfg-helpers.h"
35*4882a593Smuzhiyun #include "gpio-samsung.h"
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun #include "s3c24xx.h"
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun static struct device s3c2440_dev = {
40*4882a593Smuzhiyun 	.bus		= &s3c2440_subsys,
41*4882a593Smuzhiyun };
42*4882a593Smuzhiyun 
s3c2440_init(void)43*4882a593Smuzhiyun int __init s3c2440_init(void)
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun 	printk("S3C2440: Initialising architecture\n");
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun 	/* change irq for watchdog */
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun 	s3c_device_wdt.resource[1].start = IRQ_S3C2440_WDT;
50*4882a593Smuzhiyun 	s3c_device_wdt.resource[1].end   = IRQ_S3C2440_WDT;
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun 	/* register suspend/resume handlers */
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun #ifdef CONFIG_PM_SLEEP
55*4882a593Smuzhiyun 	register_syscore_ops(&s3c2410_pm_syscore_ops);
56*4882a593Smuzhiyun 	register_syscore_ops(&s3c24xx_irq_syscore_ops);
57*4882a593Smuzhiyun 	register_syscore_ops(&s3c244x_pm_syscore_ops);
58*4882a593Smuzhiyun #endif
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun 	/* register our system device for everything else */
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun 	return device_register(&s3c2440_dev);
63*4882a593Smuzhiyun }
64*4882a593Smuzhiyun 
s3c2440_map_io(void)65*4882a593Smuzhiyun void __init s3c2440_map_io(void)
66*4882a593Smuzhiyun {
67*4882a593Smuzhiyun 	s3c244x_map_io();
68*4882a593Smuzhiyun 
69*4882a593Smuzhiyun 	s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up;
70*4882a593Smuzhiyun 	s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up;
71*4882a593Smuzhiyun }
72