Merge branch 'linus' into sched/urgent
[linux-2.6] / arch / arm / mach-s3c2412 / 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
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/io.h>
33 #include <asm/irq.h>
34 #include <asm/mach-types.h>
35
36 #include <asm/plat-s3c/regs-serial.h>
37 #include <mach/regs-gpio.h>
38 #include <mach/regs-lcd.h>
39
40 #include <mach/idle.h>
41 #include <mach/fb.h>
42
43 #include <asm/plat-s3c/nand.h>
44
45 #include <asm/plat-s3c24xx/s3c2410.h>
46 #include <asm/plat-s3c24xx/s3c2412.h>
47 #include <asm/plat-s3c24xx/clock.h>
48 #include <asm/plat-s3c24xx/devs.h>
49 #include <asm/plat-s3c24xx/cpu.h>
50
51
52 static struct map_desc vstms_iodesc[] __initdata = {
53 };
54
55 static struct s3c2410_uartcfg vstms_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         [2] = {
71                 .hwport      = 2,
72                 .flags       = 0,
73                 .ucon        = 0x3c5,
74                 .ulcon       = 0x03,
75                 .ufcon       = 0x51,
76         }
77 };
78
79 static struct mtd_partition vstms_nand_part[] = {
80         [0] = {
81                 .name   = "Boot Agent",
82                 .size   = 0x7C000,
83                 .offset = 0,
84         },
85         [1] = {
86                 .name   = "UBoot Config",
87                 .offset = 0x7C000,
88                 .size   = 0x4000,
89         },
90         [2] = {
91                 .name   = "Kernel",
92                 .offset = 0x80000,
93                 .size   = 0x200000,
94         },
95         [3] = {
96                 .name   = "RFS",
97                 .offset = 0x280000,
98                 .size   = 0x3d80000,
99         },
100 };
101
102 static struct s3c2410_nand_set vstms_nand_sets[] = {
103         [0] = {
104                 .name           = "NAND",
105                 .nr_chips       = 1,
106                 .nr_partitions  = ARRAY_SIZE(vstms_nand_part),
107                 .partitions     = vstms_nand_part,
108         },
109 };
110
111 /* choose a set of timings which should suit most 512Mbit
112  * chips and beyond.
113 */
114
115 static struct s3c2410_platform_nand vstms_nand_info = {
116         .tacls          = 20,
117         .twrph0         = 60,
118         .twrph1         = 20,
119         .nr_sets        = ARRAY_SIZE(vstms_nand_sets),
120         .sets           = vstms_nand_sets,
121 };
122
123 static struct platform_device *vstms_devices[] __initdata = {
124         &s3c_device_usb,
125         &s3c_device_wdt,
126         &s3c_device_i2c,
127         &s3c_device_iis,
128         &s3c_device_rtc,
129         &s3c_device_nand,
130 };
131
132 static void __init vstms_fixup(struct machine_desc *desc,
133                                   struct tag *tags, char **cmdline,
134                                   struct meminfo *mi)
135 {
136         if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
137                 mi->nr_banks=1;
138                 mi->bank[0].start = 0x30000000;
139                 mi->bank[0].size = SZ_64M;
140                 mi->bank[0].node = 0;
141         }
142 }
143
144 static void __init vstms_map_io(void)
145 {
146         s3c_device_nand.dev.platform_data = &vstms_nand_info;
147
148         s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
149         s3c24xx_init_clocks(12000000);
150         s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
151 }
152
153 static void __init vstms_init(void)
154 {
155         platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
156 }
157
158 MACHINE_START(VSTMS, "VSTMS")
159         .phys_io        = S3C2410_PA_UART,
160         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
161         .boot_params    = S3C2410_SDRAM_PA + 0x100,
162
163         .fixup          = vstms_fixup,
164         .init_irq       = s3c24xx_init_irq,
165         .init_machine   = vstms_init,
166         .map_io         = vstms_map_io,
167         .timer          = &s3c24xx_timer,
168 MACHINE_END