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 #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                                struct meminfo *mi)
 134 {
 135         if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
 136                 mi->nr_banks=1;
 137                 mi->bank[0].start = 0x30000000;
 138                 mi->bank[0].size = SZ_64M;
 139         }
 140 }
 141
 142 static void __init vstms_map_io(void)
 143 {
 144         s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
 145         s3c24xx_init_clocks(12000000);
 146         s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
 147         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 148 }
 149
 150 static 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
 158 MACHINE_START(VSTMS, "VSTMS")
 159         .atag_offset    = 0x100,
 160
 161         .fixup          = vstms_fixup,
 162         .init_irq       = s3c2412_init_irq,
 163         .init_machine   = vstms_init,
 164         .map_io         = vstms_map_io,
 165         .init_time      = samsung_timer_init,
 166         .restart        = s3c2412_restart,
 167 MACHINE_END