Merge master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog
[linux-2.6] / arch / arm / mach-s3c2412 / 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/serial_core.h>
21 #include <linux/platform_device.h>
22
23 #include <asm/mach/arch.h>
24 #include <asm/mach/map.h>
25 #include <asm/mach/irq.h>
26
27 #include <asm/hardware.h>
28 #include <asm/hardware/iomd.h>
29 #include <asm/setup.h>
30 #include <asm/io.h>
31 #include <asm/irq.h>
32 #include <asm/mach-types.h>
33
34 //#include <asm/debug-ll.h>
35 #include <asm/arch/regs-serial.h>
36 #include <asm/arch/regs-gpio.h>
37 #include <asm/arch/regs-lcd.h>
38
39 #include <asm/arch/idle.h>
40 #include <asm/arch/udc.h>
41 #include <asm/arch/fb.h>
42
43 #include <asm/plat-s3c24xx/s3c2410.h>
44 #include <asm/plat-s3c24xx/s3c2412.h>
45 #include <asm/plat-s3c24xx/clock.h>
46 #include <asm/plat-s3c24xx/devs.h>
47 #include <asm/plat-s3c24xx/cpu.h>
48
49 #include <asm/plat-s3c24xx/common-smdk.h>
50
51 static struct map_desc smdk2413_iodesc[] __initdata = {
52 };
53
54 static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
55         [0] = {
56                 .hwport      = 0,
57                 .flags       = 0,
58                 .ucon        = 0x3c5,
59                 .ulcon       = 0x03,
60                 .ufcon       = 0x51,
61         },
62         [1] = {
63                 .hwport      = 1,
64                 .flags       = 0,
65                 .ucon        = 0x3c5,
66                 .ulcon       = 0x03,
67                 .ufcon       = 0x51,
68         },
69         /* IR port */
70         [2] = {
71                 .hwport      = 2,
72                 .flags       = 0,
73                 .ucon        = 0x3c5,
74                 .ulcon       = 0x43,
75                 .ufcon       = 0x51,
76         }
77 };
78
79 static void smdk2413_udc_pullup(enum s3c2410_udc_cmd_e cmd)
80 {
81         printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
82
83         switch (cmd)
84         {
85                 case S3C2410_UDC_P_ENABLE :
86                         s3c2410_gpio_setpin(S3C2410_GPF2, 1);
87                         break;
88                 case S3C2410_UDC_P_DISABLE :
89                         s3c2410_gpio_setpin(S3C2410_GPF2, 0);
90                         break;
91                 case S3C2410_UDC_P_RESET :
92                         break;
93                 default:
94                         break;
95         }
96 }
97
98
99 static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
100         .udc_command            = smdk2413_udc_pullup,
101 };
102
103
104 static struct platform_device *smdk2413_devices[] __initdata = {
105         &s3c_device_usb,
106         //&s3c_device_lcd,
107         &s3c_device_wdt,
108         &s3c_device_i2c,
109         &s3c_device_iis,
110         &s3c_device_usbgadget,
111 };
112
113 static struct s3c24xx_board smdk2413_board __initdata = {
114         .devices       = smdk2413_devices,
115         .devices_count = ARRAY_SIZE(smdk2413_devices)
116 };
117
118 static void __init smdk2413_fixup(struct machine_desc *desc,
119                                   struct tag *tags, char **cmdline,
120                                   struct meminfo *mi)
121 {
122         if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
123                 mi->nr_banks=1;
124                 mi->bank[0].start = 0x30000000;
125                 mi->bank[0].size = SZ_64M;
126                 mi->bank[0].node = 0;
127         }
128 }
129
130 static void __init smdk2413_map_io(void)
131 {
132         s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
133         s3c24xx_init_clocks(12000000);
134         s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
135         s3c24xx_set_board(&smdk2413_board);
136 }
137
138 static void __init smdk2413_machine_init(void)
139 {       /* Turn off suspend on both USB ports, and switch the
140          * selectable USB port to USB device mode. */
141
142         s3c2410_gpio_setpin(S3C2410_GPF2, 0);
143         s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPIO_OUTPUT);
144
145         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
146                               S3C2410_MISCCR_USBSUSPND0 |
147                               S3C2410_MISCCR_USBSUSPND1, 0x0);
148
149
150         s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
151
152         smdk_machine_init();
153 }
154
155 MACHINE_START(S3C2413, "S3C2413")
156         /* Maintainer: Ben Dooks <ben@fluff.org> */
157         .phys_io        = S3C2410_PA_UART,
158         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
159         .boot_params    = S3C2410_SDRAM_PA + 0x100,
160
161         .fixup          = smdk2413_fixup,
162         .init_irq       = s3c24xx_init_irq,
163         .map_io         = smdk2413_map_io,
164         .init_machine   = smdk2413_machine_init,
165         .timer          = &s3c24xx_timer,
166 MACHINE_END
167
168 MACHINE_START(SMDK2412, "SMDK2412")
169         /* Maintainer: Ben Dooks <ben@fluff.org> */
170         .phys_io        = S3C2410_PA_UART,
171         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
172         .boot_params    = S3C2410_SDRAM_PA + 0x100,
173
174         .fixup          = smdk2413_fixup,
175         .init_irq       = s3c24xx_init_irq,
176         .map_io         = smdk2413_map_io,
177         .init_machine   = smdk2413_machine_init,
178         .timer          = &s3c24xx_timer,
179 MACHINE_END
180
181 MACHINE_START(SMDK2413, "SMDK2413")
182         /* Maintainer: Ben Dooks <ben@fluff.org> */
183         .phys_io        = S3C2410_PA_UART,
184         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
185         .boot_params    = S3C2410_SDRAM_PA + 0x100,
186
187         .fixup          = smdk2413_fixup,
188         .init_irq       = s3c24xx_init_irq,
189         .map_io         = smdk2413_map_io,
190         .init_machine   = smdk2413_machine_init,
191         .timer          = &s3c24xx_timer,
192 MACHINE_END