arch/arm/mach-s3c2410/mach-vstms.c

   1 /* linux/arch/arm/mach-s3c2410/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 <asm/hardware.h>
  31 #include <asm/hardware/iomd.h>
  32 #include <asm/setup.h>
  33 #include <asm/io.h>
  34 #include <asm/irq.h>
  35 #include <asm/mach-types.h>
  36
  37 #include <asm/arch/regs-serial.h>
  38 #include <asm/arch/regs-gpio.h>
  39 #include <asm/arch/regs-lcd.h>
  40
  41 #include <asm/arch/idle.h>
  42 #include <asm/arch/fb.h>
  43
  44 #include <asm/arch/nand.h>
  45
  46 #include "s3c2410.h"
  47 #include "s3c2412.h"
  48 #include "clock.h"
  49 #include "devs.h"
  50 #include "cpu.h"
  51
  52
  53 static struct map_desc vstms_iodesc[] __initdata = {
  54 };
  55
  56 static struct s3c2410_uartcfg vstms_uartcfgs[] __initdata = {
  57         [0] = {
  58                 .hwport      = 0,
  59                 .flags       = 0,
  60                 .ucon        = 0x3c5,
  61                 .ulcon       = 0x03,
  62                 .ufcon       = 0x51,
  63         },
  64         [1] = {
  65                 .hwport      = 1,
  66                 .flags       = 0,
  67                 .ucon        = 0x3c5,
  68                 .ulcon       = 0x03,
  69                 .ufcon       = 0x51,
  70         },
  71         [2] = {
  72                 .hwport      = 2,
  73                 .flags       = 0,
  74                 .ucon        = 0x3c5,
  75                 .ulcon       = 0x03,
  76                 .ufcon       = 0x51,
  77         }
  78 };
  79
  80 static struct mtd_partition vstms_nand_part[] = {
  81         [0] = {
  82                 .name   = "Boot Agent",
  83                 .size   = 0x7C000,
  84                 .offset = 0,
  85         },
  86         [1] = {
  87                 .name   = "UBoot Config",
  88                 .offset = 0x7C000,
  89                 .size   = 0x4000,
  90         },
  91         [2] = {
  92                 .name   = "Kernel",
  93                 .offset = 0x80000,
  94                 .size   = 0x200000,
  95         },
  96         [3] = {
  97                 .name   = "RFS",
  98                 .offset = 0x280000,
  99                 .size   = 0x3d80000,
 100         },
 101 };
 102
 103 static struct s3c2410_nand_set vstms_nand_sets[] = {
 104         [0] = {
 105                 .name           = "NAND",
 106                 .nr_chips       = 1,
 107                 .nr_partitions  = ARRAY_SIZE(vstms_nand_part),
 108                 .partitions     = vstms_nand_part,
 109         },
 110 };
 111
 112 /* choose a set of timings which should suit most 512Mbit
 113  * chips and beyond.
 114 */
 115
 116 static struct s3c2410_platform_nand vstms_nand_info = {
 117         .tacls          = 20,
 118         .twrph0         = 60,
 119         .twrph1         = 20,
 120         .nr_sets        = ARRAY_SIZE(vstms_nand_sets),
 121         .sets           = vstms_nand_sets,
 122 };
 123
 124 static struct platform_device *vstms_devices[] __initdata = {
 125         &s3c_device_usb,
 126         &s3c_device_wdt,
 127         &s3c_device_i2c,
 128         &s3c_device_iis,
 129         &s3c_device_rtc,
 130         &s3c_device_nand,
 131 };
 132
 133 static struct s3c24xx_board vstms_board __initdata = {
 134         .devices       = vstms_devices,
 135         .devices_count = ARRAY_SIZE(vstms_devices)
 136 };
 137
 138 static void __init vstms_fixup(struct machine_desc *desc,
 139                                   struct tag *tags, char **cmdline,
 140                                   struct meminfo *mi)
 141 {
 142         if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
 143                 mi->nr_banks=1;
 144                 mi->bank[0].start = 0x30000000;
 145                 mi->bank[0].size = SZ_64M;
 146                 mi->bank[0].node = 0;
 147         }
 148 }
 149
 150 static void __init vstms_map_io(void)
 151 {
 152         s3c_device_nand.dev.platform_data = &vstms_nand_info;
 153
 154         s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
 155         s3c24xx_init_clocks(12000000);
 156         s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
 157         s3c24xx_set_board(&vstms_board);
 158 }
 159
 160 MACHINE_START(VSTMS, "VSTMS")
 161         .phys_io        = S3C2410_PA_UART,
 162         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 163         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 164
 165         .fixup          = vstms_fixup,
 166         .init_irq       = s3c24xx_init_irq,
 167         .map_io         = vstms_map_io,
 168         .timer          = &s3c24xx_timer,
 169 MACHINE_END