ARM: S3C24XX: Add samsung-time support for s3c24xx
[sfrench/cifs-2.6.git] / arch / arm / mach-s3c24xx / mach-vstms.c
1 /* linux/arch/arm/mach-s3c2412/mach-vstms.c
2  *
3  * (C) 2006 Thomas Gleixner <tglx@linutronix.de>
4  *
5  * Derived from mach-smdk2413.c - (C) 2006 Simtec Electronics
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11
12 #include <linux/kernel.h>
13 #include <linux/types.h>
14 #include <linux/interrupt.h>
15 #include <linux/list.h>
16 #include <linux/timer.h>
17 #include <linux/init.h>
18 #include <linux/serial_core.h>
19 #include <linux/platform_device.h>
20 #include <linux/io.h>
21 #include <linux/mtd/mtd.h>
22 #include <linux/mtd/nand.h>
23 #include <linux/mtd/nand_ecc.h>
24 #include <linux/mtd/partitions.h>
25
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
29
30 #include <mach/hardware.h>
31 #include <asm/setup.h>
32 #include <asm/irq.h>
33 #include <asm/mach-types.h>
34
35 #include <plat/regs-serial.h>
36 #include <mach/regs-gpio.h>
37 #include <mach/regs-lcd.h>
38
39 #include <mach/fb.h>
40
41 #include <linux/platform_data/i2c-s3c2410.h>
42 #include <linux/platform_data/mtd-nand-s3c2410.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
51 static struct map_desc vstms_iodesc[] __initdata = {
52 };
53
54 static struct s3c2410_uartcfg vstms_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         [2] = {
70                 .hwport      = 2,
71                 .flags       = 0,
72                 .ucon        = 0x3c5,
73                 .ulcon       = 0x03,
74                 .ufcon       = 0x51,
75         }
76 };
77
78 static struct mtd_partition __initdata vstms_nand_part[] = {
79         [0] = {
80                 .name   = "Boot Agent",
81                 .size   = 0x7C000,
82                 .offset = 0,
83         },
84         [1] = {
85                 .name   = "UBoot Config",
86                 .offset = 0x7C000,
87                 .size   = 0x4000,
88         },
89         [2] = {
90                 .name   = "Kernel",
91                 .offset = 0x80000,
92                 .size   = 0x200000,
93         },
94         [3] = {
95                 .name   = "RFS",
96                 .offset = 0x280000,
97                 .size   = 0x3d80000,
98         },
99 };
100
101 static struct s3c2410_nand_set __initdata vstms_nand_sets[] = {
102         [0] = {
103                 .name           = "NAND",
104                 .nr_chips       = 1,
105                 .nr_partitions  = ARRAY_SIZE(vstms_nand_part),
106                 .partitions     = vstms_nand_part,
107         },
108 };
109
110 /* choose a set of timings which should suit most 512Mbit
111  * chips and beyond.
112 */
113
114 static struct s3c2410_platform_nand __initdata vstms_nand_info = {
115         .tacls          = 20,
116         .twrph0         = 60,
117         .twrph1         = 20,
118         .nr_sets        = ARRAY_SIZE(vstms_nand_sets),
119         .sets           = vstms_nand_sets,
120 };
121
122 static struct platform_device *vstms_devices[] __initdata = {
123         &s3c_device_ohci,
124         &s3c_device_wdt,
125         &s3c_device_i2c0,
126         &s3c_device_iis,
127         &s3c_device_rtc,
128         &s3c_device_nand,
129 };
130
131 static void __init vstms_fixup(struct tag *tags, char **cmdline,
132                                struct meminfo *mi)
133 {
134         if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
135                 mi->nr_banks=1;
136                 mi->bank[0].start = 0x30000000;
137                 mi->bank[0].size = SZ_64M;
138         }
139 }
140
141 static void __init vstms_map_io(void)
142 {
143         s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
144         s3c24xx_init_clocks(12000000);
145         s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
146         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
147 }
148
149 static void __init vstms_init(void)
150 {
151         s3c_i2c0_set_platdata(NULL);
152         s3c_nand_set_platdata(&vstms_nand_info);
153
154         platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
155 }
156
157 MACHINE_START(VSTMS, "VSTMS")
158         .atag_offset    = 0x100,
159
160         .fixup          = vstms_fixup,
161         .init_irq       = s3c24xx_init_irq,
162         .init_machine   = vstms_init,
163         .map_io         = vstms_map_io,
164         .init_time      = samsung_timer_init,
165         .restart        = s3c2412_restart,
166 MACHINE_END