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