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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> |
e4d06e39 BD |
25 | |
26 | #include <asm/mach/arch.h> | |
27 | #include <asm/mach/map.h> | |
28 | #include <asm/mach/irq.h> | |
29 | ||
a09e64fb | 30 | #include <mach/hardware.h> |
e4d06e39 | 31 | #include <asm/irq.h> |
9f97da78 | 32 | #include <asm/system_misc.h> |
e4d06e39 | 33 | |
a09e64fb | 34 | #include <mach/regs-s3c2443-clock.h> |
e4d06e39 | 35 | |
0536d0d0 YK |
36 | #include <plat/gpio-core.h> |
37 | #include <plat/gpio-cfg.h> | |
38 | #include <plat/gpio-cfg-helpers.h> | |
a2b7ba9c BD |
39 | #include <plat/devs.h> |
40 | #include <plat/cpu.h> | |
eb42b044 | 41 | #include <plat/fb-core.h> |
ef3f2dd4 | 42 | #include <plat/nand-core.h> |
6247cea2 | 43 | #include <plat/adc-core.h> |
b2994d31 | 44 | #include <plat/rtc-core.h> |
308b3afb | 45 | #include <plat/spi-core.h> |
e4d06e39 BD |
46 | |
47 | static struct map_desc s3c2443_iodesc[] __initdata = { | |
48 | IODESC_ENT(WATCHDOG), | |
49 | IODESC_ENT(CLKPWR), | |
50 | IODESC_ENT(TIMER), | |
51 | }; | |
52 | ||
4a858cfc | 53 | struct bus_type s3c2443_subsys = { |
af5ca3f4 | 54 | .name = "s3c2443-core", |
4a858cfc | 55 | .dev_name = "s3c2443-core", |
e4d06e39 BD |
56 | }; |
57 | ||
4a858cfc KS |
58 | static struct device s3c2443_dev = { |
59 | .bus = &s3c2443_subsys, | |
e4d06e39 BD |
60 | }; |
61 | ||
57538975 | 62 | void s3c2443_restart(char mode, const char *cmd) |
b4f14eb8 | 63 | { |
57538975 HS |
64 | if (mode == 's') |
65 | soft_restart(0); | |
66 | ||
b4f14eb8 BD |
67 | __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST); |
68 | } | |
69 | ||
e4d06e39 BD |
70 | int __init s3c2443_init(void) |
71 | { | |
72 | printk("S3C2443: Initialising architecture\n"); | |
73 | ||
ef3f2dd4 | 74 | s3c_nand_setname("s3c2412-nand"); |
eb42b044 | 75 | s3c_fb_setname("s3c2443-fb"); |
d9c0ebbd | 76 | |
6247cea2 | 77 | s3c_adc_setname("s3c2443-adc"); |
b2994d31 | 78 | s3c_rtc_setname("s3c2443-rtc"); |
6247cea2 | 79 | |
7e966f3c BD |
80 | /* change WDT IRQ number */ |
81 | s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; | |
82 | s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; | |
83 | ||
4a858cfc | 84 | return device_register(&s3c2443_dev); |
e4d06e39 BD |
85 | } |
86 | ||
87 | void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no) | |
88 | { | |
89 | s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); | |
90 | } | |
91 | ||
92 | /* s3c2443_map_io | |
93 | * | |
94 | * register the standard cpu IO areas, and any passed in from the | |
95 | * machine specific initialisation. | |
96 | */ | |
97 | ||
74b265d4 | 98 | void __init s3c2443_map_io(void) |
e4d06e39 | 99 | { |
782d8a3c KK |
100 | s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull; |
101 | s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull; | |
0536d0d0 | 102 | |
308b3afb HS |
103 | /* initialize device information early */ |
104 | s3c64xx_spi_setname("s3c2443-spi"); | |
105 | ||
e4d06e39 | 106 | iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc)); |
e4d06e39 BD |
107 | } |
108 | ||
4a858cfc | 109 | /* need to register the subsystem before we actually register the device, and |
e4d06e39 BD |
110 | * we also need to ensure that it has been initialised before any of the |
111 | * drivers even try to use it (even if not on an s3c2443 based system) | |
112 | * as a driver which may support both 2443 and 2440 may try and use it. | |
113 | */ | |
114 | ||
115 | static int __init s3c2443_core_init(void) | |
116 | { | |
4a858cfc | 117 | return subsys_system_register(&s3c2443_subsys, NULL); |
e4d06e39 BD |
118 | } |
119 | ||
120 | core_initcall(s3c2443_core_init); |