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
  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/setup.h>
  32 #include <asm/io.h>
  33 #include <asm/irq.h>
  34 #include <asm/mach-types.h>
  35
  36 #include <asm/plat-s3c/regs-serial.h>
  37 #include <asm/arch/regs-gpio.h>
  38 #include <asm/arch/regs-lcd.h>
  39
  40 #include <asm/arch/idle.h>
  41 #include <asm/arch/fb.h>
  42
  43 #include <asm/plat-s3c/nand.h>
  44
  45 #include <asm/plat-s3c24xx/s3c2410.h>
  46 #include <asm/plat-s3c24xx/s3c2412.h>
  47 #include <asm/plat-s3c24xx/clock.h>
  48 #include <asm/plat-s3c24xx/devs.h>
  49 #include <asm/plat-s3c24xx/cpu.h>
  50
  51
  52 static struct map_desc vstms_iodesc[] __initdata = {
  53 };
  54
  55 static 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
  79 static struct mtd_partition 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
 102 static struct s3c2410_nand_set 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
 115 static struct s3c2410_platform_nand 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
 123 static struct platform_device *vstms_devices[] __initdata = {
 124         &s3c_device_usb,
 125         &s3c_device_wdt,
 126         &s3c_device_i2c,
 127         &s3c_device_iis,
 128         &s3c_device_rtc,
 129         &s3c_device_nand,
 130 };
 131
 132 static 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                 mi->bank[0].node = 0;
 141         }
 142 }
 143
 144 static void __init vstms_map_io(void)
 145 {
 146         s3c_device_nand.dev.platform_data = &vstms_nand_info;
 147
 148         s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
 149         s3c24xx_init_clocks(12000000);
 150         s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
 151 }
 152
 153 static void __init vstms_init(void)
 154 {
 155         platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
 156 }
 157
 158 MACHINE_START(VSTMS, "VSTMS")
 159         .phys_io        = S3C2410_PA_UART,
 160         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 161         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 162
 163         .fixup          = vstms_fixup,
 164         .init_irq       = s3c24xx_init_irq,
 165         .init_machine   = vstms_init,
 166         .map_io         = vstms_map_io,
 167         .timer          = &s3c24xx_timer,
 168 MACHINE_END