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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/serial_s3c.h>
23 #include <linux/platform_device.h>
24 #include <linux/io.h>
25 #include <linux/memblock.h>
26 
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
29 #include <asm/mach/irq.h>
30 
31 #include <mach/hardware.h>
32 #include <asm/hardware/iomd.h>
33 #include <asm/setup.h>
34 #include <asm/irq.h>
35 #include <asm/mach-types.h>
36 
37 //#include <asm/debug-ll.h>
38 #include <mach/regs-gpio.h>
39 #include <mach/regs-lcd.h>
40 
41 #include <linux/platform_data/usb-s3c2410_udc.h>
42 #include <linux/platform_data/i2c-s3c2410.h>
43 #include <mach/gpio-samsung.h>
44 #include <mach/fb.h>
45 
46 #include <plat/devs.h>
47 #include <plat/cpu.h>
48 #include <plat/samsung-time.h>
49 
50 #include "common.h"
51 #include "common-smdk.h"
52 
53 static struct map_desc smdk2413_iodesc[] __initdata = {
54 };
55 
56 static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
57 	[0] = {
58 		.hwport	     = 0,
59 		.flags	     = 0,
60 		.ucon	     = 0x3c5,
61 		.ulcon	     = 0x03,
62 		.ufcon	     = 0x51,
63 	},
64 	[1] = {
65 		.hwport	     = 1,
66 		.flags	     = 0,
67 		.ucon	     = 0x3c5,
68 		.ulcon	     = 0x03,
69 		.ufcon	     = 0x51,
70 	},
71 	/* IR port */
72 	[2] = {
73 		.hwport	     = 2,
74 		.flags	     = 0,
75 		.ucon	     = 0x3c5,
76 		.ulcon	     = 0x43,
77 		.ufcon	     = 0x51,
78 	}
79 };
80 
81 
82 static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
83 	.pullup_pin = S3C2410_GPF(2),
84 };
85 
86 
87 static struct platform_device *smdk2413_devices[] __initdata = {
88 	&s3c_device_ohci,
89 	&s3c_device_wdt,
90 	&s3c_device_i2c0,
91 	&s3c_device_iis,
92 	&s3c_device_usbgadget,
93 	&s3c2412_device_dma,
94 };
95 
smdk2413_fixup(struct tag * tags,char ** cmdline)96 static void __init smdk2413_fixup(struct tag *tags, char **cmdline)
97 {
98 	if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
99 		memblock_add(0x30000000, SZ_64M);
100 	}
101 }
102 
smdk2413_map_io(void)103 static void __init smdk2413_map_io(void)
104 {
105 	s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
106 	s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
107 	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
108 }
109 
smdk2413_init_time(void)110 static void __init smdk2413_init_time(void)
111 {
112 	s3c2412_init_clocks(12000000);
113 	samsung_timer_init();
114 }
115 
smdk2413_machine_init(void)116 static void __init smdk2413_machine_init(void)
117 {	/* Turn off suspend on both USB ports, and switch the
118 	 * selectable USB port to USB device mode. */
119 
120 	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
121 			      S3C2410_MISCCR_USBSUSPND0 |
122 			      S3C2410_MISCCR_USBSUSPND1, 0x0);
123 
124 
125  	s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
126 	s3c_i2c0_set_platdata(NULL);
127 
128 	platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
129 	smdk_machine_init();
130 }
131 
132 MACHINE_START(S3C2413, "S3C2413")
133 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
134 	.atag_offset	= 0x100,
135 
136 	.fixup		= smdk2413_fixup,
137 	.init_irq	= s3c2412_init_irq,
138 	.map_io		= smdk2413_map_io,
139 	.init_machine	= smdk2413_machine_init,
140 	.init_time	= samsung_timer_init,
141 MACHINE_END
142 
143 MACHINE_START(SMDK2412, "SMDK2412")
144 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
145 	.atag_offset	= 0x100,
146 
147 	.fixup		= smdk2413_fixup,
148 	.init_irq	= s3c2412_init_irq,
149 	.map_io		= smdk2413_map_io,
150 	.init_machine	= smdk2413_machine_init,
151 	.init_time	= samsung_timer_init,
152 MACHINE_END
153 
154 MACHINE_START(SMDK2413, "SMDK2413")
155 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
156 	.atag_offset	= 0x100,
157 
158 	.fixup		= smdk2413_fixup,
159 	.init_irq	= s3c2412_init_irq,
160 	.map_io		= smdk2413_map_io,
161 	.init_machine	= smdk2413_machine_init,
162 	.init_time	= smdk2413_init_time,
163 MACHINE_END
164