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/serial_s3c.h>
20 #include <linux/platform_device.h>
21 #include <linux/io.h>
22 #include <linux/mtd/mtd.h>
23 #include <linux/mtd/rawnand.h>
24 #include <linux/mtd/nand_ecc.h>
25 #include <linux/mtd/partitions.h>
26 #include <linux/memblock.h>
27
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
30 #include <asm/mach/irq.h>
31
32 #include <mach/hardware.h>
33 #include <asm/setup.h>
34 #include <asm/irq.h>
35 #include <asm/mach-types.h>
36
37 #include <mach/regs-gpio.h>
38 #include <mach/regs-lcd.h>
39
40 #include <mach/fb.h>
41
42 #include <linux/platform_data/i2c-s3c2410.h>
43 #include <linux/platform_data/mtd-nand-s3c2410.h>
44
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 .ecc_mode = NAND_ECC_SOFT,
121 };
122
123 static struct platform_device *vstms_devices[] __initdata = {
124 &s3c_device_ohci,
125 &s3c_device_wdt,
126 &s3c_device_i2c0,
127 &s3c_device_iis,
128 &s3c_device_rtc,
129 &s3c_device_nand,
130 &s3c2412_device_dma,
131 };
132
vstms_fixup(struct tag * tags,char ** cmdline)133 static void __init vstms_fixup(struct tag *tags, char **cmdline)
134 {
135 if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
136 memblock_add(0x30000000, SZ_64M);
137 }
138 }
139
vstms_map_io(void)140 static void __init vstms_map_io(void)
141 {
142 s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
143 s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
144 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
145 }
146
vstms_init_time(void)147 static void __init vstms_init_time(void)
148 {
149 s3c2412_init_clocks(12000000);
150 samsung_timer_init();
151 }
152
vstms_init(void)153 static void __init vstms_init(void)
154 {
155 s3c_i2c0_set_platdata(NULL);
156 s3c_nand_set_platdata(&vstms_nand_info);
157
158 platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
159 }
160
161 MACHINE_START(VSTMS, "VSTMS")
162 .atag_offset = 0x100,
163
164 .fixup = vstms_fixup,
165 .init_irq = s3c2412_init_irq,
166 .init_machine = vstms_init,
167 .map_io = vstms_map_io,
168 .init_time = vstms_init_time,
169 MACHINE_END
170