release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-s3c2410/mach-otom.c

   1 /* linux/arch/arm/mach-s3c2410/mach-otom.c
   2  *
   3  * Copyright (c) 2004 Nex Vision
   4  *   Guillaume GOURAT <guillaume.gourat@nexvision.fr>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  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
  22 #include <asm/mach/arch.h>
  23 #include <asm/mach/map.h>
  24 #include <asm/mach/irq.h>
  25
  26 #include <mach/otom-map.h>
  27
  28 #include <mach/hardware.h>
  29 #include <asm/irq.h>
  30 #include <asm/mach-types.h>
  31
  32 #include <plat/regs-serial.h>
  33 #include <mach/regs-gpio.h>
  34
  35 #include <plat/s3c2410.h>
  36 #include <plat/clock.h>
  37 #include <plat/devs.h>
  38 #include <plat/iic.h>
  39 #include <plat/cpu.h>
  40
  41 static struct map_desc otom11_iodesc[] __initdata = {
  42   /* Device area */
  43         { (u32)OTOM_VA_CS8900A_BASE, OTOM_PA_CS8900A_BASE, SZ_16M, MT_DEVICE },
  44 };
  45
  46 #define UCON S3C2410_UCON_DEFAULT
  47 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  48 #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
  49
  50 static struct s3c2410_uartcfg otom11_uartcfgs[] __initdata = {
  51         [0] = {
  52                 .hwport      = 0,
  53                 .flags       = 0,
  54                 .ucon        = UCON,
  55                 .ulcon       = ULCON,
  56                 .ufcon       = UFCON,
  57         },
  58         [1] = {
  59                 .hwport      = 1,
  60                 .flags       = 0,
  61                 .ucon        = UCON,
  62                 .ulcon       = ULCON,
  63                 .ufcon       = UFCON,
  64         },
  65         /* port 2 is not actually used */
  66         [2] = {
  67                 .hwport      = 2,
  68                 .flags       = 0,
  69                 .ucon        = UCON,
  70                 .ulcon       = ULCON,
  71                 .ufcon       = UFCON,
  72         }
  73 };
  74
  75 /* NOR Flash on NexVision OTOM board */
  76
  77 static struct resource otom_nor_resource[] = {
  78         [0] = {
  79                 .start = S3C2410_CS0,
  80                 .end   = S3C2410_CS0 + (4*1024*1024) - 1,
  81                 .flags = IORESOURCE_MEM,
  82         }
  83 };
  84
  85 static struct platform_device otom_device_nor = {
  86         .name           = "mtd-flash",
  87         .id             = -1,
  88         .num_resources  = ARRAY_SIZE(otom_nor_resource),
  89         .resource       = otom_nor_resource,
  90 };
  91
  92 /* Standard OTOM devices */
  93
  94 static struct platform_device *otom11_devices[] __initdata = {
  95         &s3c_device_ohci,
  96         &s3c_device_lcd,
  97         &s3c_device_wdt,
  98         &s3c_device_i2c0,
  99         &s3c_device_iis,
 100         &s3c_device_rtc,
 101         &otom_device_nor,
 102 };
 103
 104 static void __init otom11_map_io(void)
 105 {
 106         s3c24xx_init_io(otom11_iodesc, ARRAY_SIZE(otom11_iodesc));
 107         s3c24xx_init_clocks(0);
 108         s3c24xx_init_uarts(otom11_uartcfgs, ARRAY_SIZE(otom11_uartcfgs));
 109 }
 110
 111 static void __init otom11_init(void)
 112 {
 113         s3c_i2c0_set_platdata(NULL);
 114         platform_add_devices(otom11_devices, ARRAY_SIZE(otom11_devices));
 115 }
 116
 117 MACHINE_START(OTOM, "Nex Vision - Otom 1.1")
 118         /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
 119         .phys_io        = S3C2410_PA_UART,
 120         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 121         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 122         .map_io         = otom11_map_io,
 123         .init_machine   = otom11_init,
 124         .init_irq       = s3c24xx_init_irq,
 125         .timer          = &s3c24xx_timer,
 126 MACHINE_END