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Linux/arch/arm/mach-s3c24xx/mach-vstms.c

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  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/nand.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 };
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         &s3c2412_device_dma,
130 };
131 
132 static void __init vstms_fixup(struct tag *tags, char **cmdline)
133 {
134         if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
135                 memblock_add(0x30000000, SZ_64M);
136         }
137 }
138 
139 static void __init vstms_map_io(void)
140 {
141         s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
142         s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
143         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
144 }
145 
146 static void __init vstms_init_time(void)
147 {
148         s3c2412_init_clocks(12000000);
149         samsung_timer_init();
150 }
151 
152 static void __init vstms_init(void)
153 {
154         s3c_i2c0_set_platdata(NULL);
155         s3c_nand_set_platdata(&vstms_nand_info);
156 
157         platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
158 }
159 
160 MACHINE_START(VSTMS, "VSTMS")
161         .atag_offset    = 0x100,
162 
163         .fixup          = vstms_fixup,
164         .init_irq       = s3c2412_init_irq,
165         .init_machine   = vstms_init,
166         .map_io         = vstms_map_io,
167         .init_time      = vstms_init_time,
168 MACHINE_END
169 

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