ARM: S3C24XX: Add samsung-time support for s3c24xx
[sfrench/cifs-2.6.git] / arch / arm / mach-s3c24xx / mach-smdk2413.c
1 /* linux/arch/arm/mach-s3c2412/mach-smdk2413.c
2  *
3  * Copyright (c) 2006 Simtec Electronics
4  *      Ben Dooks <ben@simtec.co.uk>
5  *
6  * Thanks to Dimity Andric (TomTom) and Steven Ryu (Samsung) for the
7  * loans of SMDK2413 to work with.
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12 */
13
14 #include <linux/kernel.h>
15 #include <linux/types.h>
16 #include <linux/interrupt.h>
17 #include <linux/list.h>
18 #include <linux/timer.h>
19 #include <linux/init.h>
20 #include <linux/gpio.h>
21 #include <linux/serial_core.h>
22 #include <linux/platform_device.h>
23 #include <linux/io.h>
24
25 #include <asm/mach/arch.h>
26 #include <asm/mach/map.h>
27 #include <asm/mach/irq.h>
28
29 #include <mach/hardware.h>
30 #include <asm/hardware/iomd.h>
31 #include <asm/setup.h>
32 #include <asm/irq.h>
33 #include <asm/mach-types.h>
34
35 //#include <asm/debug-ll.h>
36 #include <plat/regs-serial.h>
37 #include <mach/regs-gpio.h>
38 #include <mach/regs-lcd.h>
39
40 #include <linux/platform_data/usb-s3c2410_udc.h>
41 #include <linux/platform_data/i2c-s3c2410.h>
42 #include <mach/fb.h>
43
44 #include <plat/clock.h>
45 #include <plat/devs.h>
46 #include <plat/cpu.h>
47 #include <plat/samsung-time.h>
48
49 #include "common.h"
50 #include "common-smdk.h"
51
52 static struct map_desc smdk2413_iodesc[] __initdata = {
53 };
54
55 static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
56         [0] = {
57                 .hwport      = 0,
58                 .flags       = 0,
59                 .ucon        = 0x3c5,
60                 .ulcon       = 0x03,
61                 .ufcon       = 0x51,
62         },
63         [1] = {
64                 .hwport      = 1,
65                 .flags       = 0,
66                 .ucon        = 0x3c5,
67                 .ulcon       = 0x03,
68                 .ufcon       = 0x51,
69         },
70         /* IR port */
71         [2] = {
72                 .hwport      = 2,
73                 .flags       = 0,
74                 .ucon        = 0x3c5,
75                 .ulcon       = 0x43,
76                 .ufcon       = 0x51,
77         }
78 };
79
80
81 static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
82         .pullup_pin = S3C2410_GPF(2),
83 };
84
85
86 static struct platform_device *smdk2413_devices[] __initdata = {
87         &s3c_device_ohci,
88         &s3c_device_wdt,
89         &s3c_device_i2c0,
90         &s3c_device_iis,
91         &s3c_device_usbgadget,
92 };
93
94 static void __init smdk2413_fixup(struct tag *tags, char **cmdline,
95                                   struct meminfo *mi)
96 {
97         if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
98                 mi->nr_banks=1;
99                 mi->bank[0].start = 0x30000000;
100                 mi->bank[0].size = SZ_64M;
101         }
102 }
103
104 static void __init smdk2413_map_io(void)
105 {
106         s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
107         s3c24xx_init_clocks(12000000);
108         s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
109         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
110 }
111
112 static void __init smdk2413_machine_init(void)
113 {       /* Turn off suspend on both USB ports, and switch the
114          * selectable USB port to USB device mode. */
115
116         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
117                               S3C2410_MISCCR_USBSUSPND0 |
118                               S3C2410_MISCCR_USBSUSPND1, 0x0);
119
120
121         s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
122         s3c_i2c0_set_platdata(NULL);
123
124         platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
125         smdk_machine_init();
126 }
127
128 MACHINE_START(S3C2413, "S3C2413")
129         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
130         .atag_offset    = 0x100,
131
132         .fixup          = smdk2413_fixup,
133         .init_irq       = s3c24xx_init_irq,
134         .map_io         = smdk2413_map_io,
135         .init_machine   = smdk2413_machine_init,
136         .init_time      = samsung_timer_init,
137         .restart        = s3c2412_restart,
138 MACHINE_END
139
140 MACHINE_START(SMDK2412, "SMDK2412")
141         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
142         .atag_offset    = 0x100,
143
144         .fixup          = smdk2413_fixup,
145         .init_irq       = s3c24xx_init_irq,
146         .map_io         = smdk2413_map_io,
147         .init_machine   = smdk2413_machine_init,
148         .init_time      = samsung_timer_init,
149         .restart        = s3c2412_restart,
150 MACHINE_END
151
152 MACHINE_START(SMDK2413, "SMDK2413")
153         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
154         .atag_offset    = 0x100,
155
156         .fixup          = smdk2413_fixup,
157         .init_irq       = s3c24xx_init_irq,
158         .map_io         = smdk2413_map_io,
159         .init_machine   = smdk2413_machine_init,
160         .init_time      = samsung_timer_init,
161         .restart        = s3c2412_restart,
162 MACHINE_END