| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 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 <mach/hardware.h> |
| 27 | #include <mach/gpio-samsung.h> |
| 28 | #include <asm/irq.h> |
| 29 | |
| 30 | #include <plat/devs.h> |
| 31 | #include <plat/cpu.h> |
| 32 | #include <plat/pm.h> |
| 33 | |
| 34 | #include <plat/gpio-core.h> |
| 35 | #include <plat/gpio-cfg.h> |
| 36 | #include <plat/gpio-cfg-helpers.h> |
| 37 | |
| 38 | #include "common.h" |
| 39 | |
| 40 | static struct device s3c2440_dev = { |
| 41 | .bus = &s3c2440_subsys, |
| 42 | }; |
| 43 | |
| 44 | int __init s3c2440_init(void) |
| 45 | { |
| 46 | printk("S3C2440: Initialising architecture\n"); |
| 47 | |
| 48 | /* change irq for watchdog */ |
| 49 | |
| 50 | s3c_device_wdt.resource[1].start = IRQ_S3C2440_WDT; |
| 51 | s3c_device_wdt.resource[1].end = IRQ_S3C2440_WDT; |
| 52 | |
| 53 | /* register suspend/resume handlers */ |
| 54 | |
| 55 | #ifdef CONFIG_PM_SLEEP |
| 56 | register_syscore_ops(&s3c2410_pm_syscore_ops); |
| 57 | register_syscore_ops(&s3c24xx_irq_syscore_ops); |
| 58 | register_syscore_ops(&s3c244x_pm_syscore_ops); |
| 59 | #endif |
| 60 | |
| 61 | /* register our system device for everything else */ |
| 62 | |
| 63 | return device_register(&s3c2440_dev); |
| 64 | } |
| 65 | |
| 66 | void __init s3c2440_map_io(void) |
| 67 | { |
| 68 | s3c244x_map_io(); |
| 69 | |
| 70 | s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up; |
| 71 | s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up; |
| 72 | } |