239129c2d8bc6b44af0919161b0fc1ce3225722e
[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
48 #include "common.h"
49
50 static struct map_desc vstms_iodesc[] __initdata = {
51 };
52
53 static struct s3c2410_uartcfg vstms_uartcfgs[] __initdata = {
54         [0] = {
55                 .hwport      = 0,
56                 .flags       = 0,
57                 .ucon        = 0x3c5,
58                 .ulcon       = 0x03,
59                 .ufcon       = 0x51,
60         },
61         [1] = {
62                 .hwport      = 1,
63                 .flags       = 0,
64                 .ucon        = 0x3c5,
65                 .ulcon       = 0x03,
66                 .ufcon       = 0x51,
67         },
68         [2] = {
69                 .hwport      = 2,
70                 .flags       = 0,
71                 .ucon        = 0x3c5,
72                 .ulcon       = 0x03,
73                 .ufcon       = 0x51,
74         }
75 };
76
77 static struct mtd_partition __initdata vstms_nand_part[] = {
78         [0] = {
79                 .name   = "Boot Agent",
80                 .size   = 0x7C000,
81                 .offset = 0,
82         },
83         [1] = {
84                 .name   = "UBoot Config",
85                 .offset = 0x7C000,
86                 .size   = 0x4000,
87         },
88         [2] = {
89                 .name   = "Kernel",
90                 .offset = 0x80000,
91                 .size   = 0x200000,
92         },
93         [3] = {
94                 .name   = "RFS",
95                 .offset = 0x280000,
96                 .size   = 0x3d80000,
97         },
98 };
99
100 static struct s3c2410_nand_set __initdata vstms_nand_sets[] = {
101         [0] = {
102                 .name           = "NAND",
103                 .nr_chips       = 1,
104                 .nr_partitions  = ARRAY_SIZE(vstms_nand_part),
105                 .partitions     = vstms_nand_part,
106         },
107 };
108
109 /* choose a set of timings which should suit most 512Mbit
110  * chips and beyond.
111 */
112
113 static struct s3c2410_platform_nand __initdata vstms_nand_info = {
114         .tacls          = 20,
115         .twrph0         = 60,
116         .twrph1         = 20,
117         .nr_sets        = ARRAY_SIZE(vstms_nand_sets),
118         .sets           = vstms_nand_sets,
119 };
120
121 static struct platform_device *vstms_devices[] __initdata = {
122         &s3c_device_ohci,
123         &s3c_device_wdt,
124         &s3c_device_i2c0,
125         &s3c_device_iis,
126         &s3c_device_rtc,
127         &s3c_device_nand,
128 };
129
130 static void __init vstms_fixup(struct tag *tags, char **cmdline,
131                                struct meminfo *mi)
132 {
133         if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
134                 mi->nr_banks=1;
135                 mi->bank[0].start = 0x30000000;
136                 mi->bank[0].size = SZ_64M;
137         }
138 }
139
140 static void __init vstms_map_io(void)
141 {
142         s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
143         s3c24xx_init_clocks(12000000);
144         s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
145 }
146
147 static void __init vstms_init(void)
148 {
149         s3c_i2c0_set_platdata(NULL);
150         s3c_nand_set_platdata(&vstms_nand_info);
151
152         platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
153 }
154
155 MACHINE_START(VSTMS, "VSTMS")
156         .atag_offset    = 0x100,
157
158         .fixup          = vstms_fixup,
159         .init_irq       = s3c24xx_init_irq,
160         .init_machine   = vstms_init,
161         .map_io         = vstms_map_io,
162         .init_time      = s3c24xx_timer_init,
163         .restart        = s3c2412_restart,
164 MACHINE_END