projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| e4d06e39 BD |
1 | /* linux/arch/arm/mach-s3c2443/s3c2443.c |
| 2 | * | |
| 3 | * Copyright (c) 2007 Simtec Electronics | |
| 4 | * Ben Dooks <ben@simtec.co.uk> | |
| 5 | * | |
| 6 | * Samsung S3C2443 Mobile CPU support | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU General Public License version 2 as | |
| 10 | * published by the Free Software Foundation. | |
| 11 | */ | |
| 12 | ||
| 13 | #include <linux/kernel.h> | |
| 14 | #include <linux/types.h> | |
| 15 | #include <linux/interrupt.h> | |
| 16 | #include <linux/list.h> | |
| 17 | #include <linux/timer.h> | |
| 18 | #include <linux/init.h> | |
| 0536d0d0 | 19 | #include <linux/gpio.h> |
| e4d06e39 BD |
20 | #include <linux/platform_device.h> |
| 21 | #include <linux/serial_core.h> | |
| 4a858cfc | 22 | #include <linux/device.h> |
| e4d06e39 | 23 | #include <linux/clk.h> |
| fced80c7 | 24 | #include <linux/io.h> |
| 7b6d864b | 25 | #include <linux/reboot.h> |
| e4d06e39 BD |
26 | |
| 27 | #include <asm/mach/arch.h> | |
| 28 | #include <asm/mach/map.h> | |
| 29 | #include <asm/mach/irq.h> | |
| 30 | ||
| a09e64fb | 31 | #include <mach/hardware.h> |
| b0161caa | 32 | #include <mach/gpio-samsung.h> |
| e4d06e39 | 33 | #include <asm/irq.h> |
| 9f97da78 | 34 | #include <asm/system_misc.h> |
| e4d06e39 | 35 | |
| a09e64fb | 36 | #include <mach/regs-s3c2443-clock.h> |
| d93c3ba9 | 37 | #include <mach/rtc-core.h> |
| e4d06e39 | 38 | |
| 0536d0d0 YK |
39 | #include <plat/gpio-core.h> |
| 40 | #include <plat/gpio-cfg.h> | |
| 41 | #include <plat/gpio-cfg-helpers.h> | |
| a2b7ba9c BD |
42 | #include <plat/devs.h> |
| 43 | #include <plat/cpu.h> | |
| 6247cea2 | 44 | #include <plat/adc-core.h> |
| e4d06e39 | 45 | |
| f30e3295 | 46 | #include "fb-core.h" |
| f8eed6cd | 47 | #include "nand-core.h" |
| dd04e47e | 48 | #include "spi-core.h" |
| f30e3295 | 49 | |
| e4d06e39 BD |
50 | static struct map_desc s3c2443_iodesc[] __initdata = { |
| 51 | IODESC_ENT(WATCHDOG), | |
| 52 | IODESC_ENT(CLKPWR), | |
| 53 | IODESC_ENT(TIMER), | |
| 54 | }; | |
| 55 | ||
| 4a858cfc | 56 | struct bus_type s3c2443_subsys = { |
| af5ca3f4 | 57 | .name = "s3c2443-core", |
| 4a858cfc | 58 | .dev_name = "s3c2443-core", |
| e4d06e39 BD |
59 | }; |
| 60 | ||
| 4a858cfc KS |
61 | static struct device s3c2443_dev = { |
| 62 | .bus = &s3c2443_subsys, | |
| e4d06e39 BD |
63 | }; |
| 64 | ||
| 65 | int __init s3c2443_init(void) | |
| 66 | { | |
| 67 | printk("S3C2443: Initialising architecture\n"); | |
| 68 | ||
| ef3f2dd4 | 69 | s3c_nand_setname("s3c2412-nand"); |
| eb42b044 | 70 | s3c_fb_setname("s3c2443-fb"); |
| d9c0ebbd | 71 | |
| 6247cea2 | 72 | s3c_adc_setname("s3c2443-adc"); |
| b2994d31 | 73 | s3c_rtc_setname("s3c2443-rtc"); |
| 6247cea2 | 74 | |
| 7e966f3c BD |
75 | /* change WDT IRQ number */ |
| 76 | s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; | |
| 77 | s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; | |
| 78 | ||
| 4a858cfc | 79 | return device_register(&s3c2443_dev); |
| e4d06e39 BD |
80 | } |
| 81 | ||
| 82 | void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no) | |
| 83 | { | |
| 84 | s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); | |
| 85 | } | |
| 86 | ||
| 87 | /* s3c2443_map_io | |
| 88 | * | |
| 89 | * register the standard cpu IO areas, and any passed in from the | |
| 90 | * machine specific initialisation. | |
| 91 | */ | |
| 92 | ||
| 74b265d4 | 93 | void __init s3c2443_map_io(void) |
| e4d06e39 | 94 | { |
| 782d8a3c KK |
95 | s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull; |
| 96 | s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull; | |
| 0536d0d0 | 97 | |
| 308b3afb HS |
98 | /* initialize device information early */ |
| 99 | s3c64xx_spi_setname("s3c2443-spi"); | |
| 100 | ||
| e4d06e39 | 101 | iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc)); |
| e4d06e39 BD |
102 | } |
| 103 | ||
| 4a858cfc | 104 | /* need to register the subsystem before we actually register the device, and |
| e4d06e39 BD |
105 | * we also need to ensure that it has been initialised before any of the |
| 106 | * drivers even try to use it (even if not on an s3c2443 based system) | |
| 107 | * as a driver which may support both 2443 and 2440 may try and use it. | |
| 108 | */ | |
| 109 | ||
| 110 | static int __init s3c2443_core_init(void) | |
| 111 | { | |
| 4a858cfc | 112 | return subsys_system_register(&s3c2443_subsys, NULL); |
| e4d06e39 BD |
113 | } |
| 114 | ||
| 115 | core_initcall(s3c2443_core_init); |