Root/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#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/idle.h>
40#include <mach/fb.h>
41
42#include <plat/iic.h>
43#include <plat/nand.h>
44
45#include <plat/s3c2410.h>
46#include <plat/s3c2412.h>
47#include <plat/clock.h>
48#include <plat/devs.h>
49#include <plat/cpu.h>
50
51
52static struct map_desc vstms_iodesc[] __initdata = {
53};
54
55static 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
79static struct mtd_partition __initdata 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
102static struct s3c2410_nand_set __initdata 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
115static struct s3c2410_platform_nand __initdata 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
123static 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};
131
132static 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    }
141}
142
143static void __init vstms_map_io(void)
144{
145    s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
146    s3c24xx_init_clocks(12000000);
147    s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
148}
149
150static void __init vstms_init(void)
151{
152    s3c_i2c0_set_platdata(NULL);
153    s3c_nand_set_platdata(&vstms_nand_info);
154
155    platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
156}
157
158MACHINE_START(VSTMS, "VSTMS")
159    .boot_params = S3C2410_SDRAM_PA + 0x100,
160
161    .fixup = vstms_fixup,
162    .init_irq = s3c24xx_init_irq,
163    .init_machine = vstms_init,
164    .map_io = vstms_map_io,
165    .timer = &s3c24xx_timer,
166MACHINE_END
167

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