arch/arm/mach-s3c2440/mach-nexcoder.c

   1 /* linux/arch/arm/mach-s3c2440/mach-nexcoder.c
   2  *
   3  * Copyright (c) 2004 Nex Vision
   4  *   Guillaume GOURAT <guillaume.gourat@nexvision.tv>
   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  * Modifications:
  11  *     15-10-2004 GG  Created initial version
  12  *     12-03-2005 BJD Updated for release
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/types.h>
  17 #include <linux/interrupt.h>
  18 #include <linux/list.h>
  19 #include <linux/timer.h>
  20 #include <linux/init.h>
  21 #include <linux/gpio.h>
  22 #include <linux/string.h>
  23 #include <linux/serial_core.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/io.h>
  26
  27 #include <linux/mtd/map.h>
  28
  29 #include <asm/mach/arch.h>
  30 #include <asm/mach/map.h>
  31 #include <asm/mach/irq.h>
  32
  33 #include <asm/setup.h>
  34 #include <mach/hardware.h>
  35 #include <asm/irq.h>
  36 #include <asm/mach-types.h>
  37
  38 //#include <asm/debug-ll.h>
  39 #include <mach/regs-gpio.h>
  40 #include <plat/regs-serial.h>
  41 #include <plat/iic.h>
  42
  43 #include <plat/gpio-cfg.h>
  44 #include <plat/s3c2410.h>
  45 #include <plat/s3c244x.h>
  46 #include <plat/clock.h>
  47 #include <plat/devs.h>
  48 #include <plat/cpu.h>
  49
  50 static struct map_desc nexcoder_iodesc[] __initdata = {
  51         /* nothing here yet */
  52 };
  53
  54 #define UCON S3C2410_UCON_DEFAULT
  55 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  56 #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
  57
  58 static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
  59         [0] = {
  60                 .hwport      = 0,
  61                 .flags       = 0,
  62                 .ucon        = UCON,
  63                 .ulcon       = ULCON,
  64                 .ufcon       = UFCON,
  65         },
  66         [1] = {
  67                 .hwport      = 1,
  68                 .flags       = 0,
  69                 .ucon        = UCON,
  70                 .ulcon       = ULCON,
  71                 .ufcon       = UFCON,
  72         },
  73         [2] = {
  74                 .hwport      = 2,
  75                 .flags       = 0,
  76                 .ucon        = UCON,
  77                 .ulcon       = ULCON,
  78                 .ufcon       = UFCON,
  79         }
  80 };
  81
  82 /* NOR Flash on NexVision NexCoder 2440 board */
  83
  84 static struct resource nexcoder_nor_resource[] = {
  85         [0] = {
  86                 .start = S3C2410_CS0,
  87                 .end   = S3C2410_CS0 + (8*1024*1024) - 1,
  88                 .flags = IORESOURCE_MEM,
  89         }
  90 };
  91
  92 static struct map_info nexcoder_nor_map = {
  93         .bankwidth = 2,
  94 };
  95
  96 static struct platform_device nexcoder_device_nor = {
  97         .name           = "mtd-flash",
  98         .id             = -1,
  99         .num_resources  = ARRAY_SIZE(nexcoder_nor_resource),
 100         .resource       = nexcoder_nor_resource,
 101         .dev =
 102         {
 103                 .platform_data = &nexcoder_nor_map,
 104         }
 105 };
 106
 107 /* Standard Nexcoder devices */
 108
 109 static struct platform_device *nexcoder_devices[] __initdata = {
 110         &s3c_device_ohci,
 111         &s3c_device_lcd,
 112         &s3c_device_wdt,
 113         &s3c_device_i2c0,
 114         &s3c_device_iis,
 115         &s3c_device_rtc,
 116         &s3c_device_camif,
 117         &s3c_device_spi0,
 118         &s3c_device_spi1,
 119         &nexcoder_device_nor,
 120 };
 121
 122 static void __init nexcoder_sensorboard_init(void)
 123 {
 124         // Initialize SCCB bus
 125         s3c2410_gpio_setpin(S3C2410_GPE(14), 1); // IICSCL
 126         s3c_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPIO_OUTPUT);
 127         s3c2410_gpio_setpin(S3C2410_GPE(15), 1); // IICSDA
 128         s3c_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPIO_OUTPUT);
 129
 130         // Power up the sensor board
 131         s3c2410_gpio_setpin(S3C2410_GPF(1), 1);
 132         s3c_gpio_cfgpin(S3C2410_GPF(1), S3C2410_GPIO_OUTPUT); // CAM_GPIO7 => nLDO_PWRDN
 133         s3c2410_gpio_setpin(S3C2410_GPF(2), 0);
 134         s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); // CAM_GPIO6 => CAM_PWRDN
 135 }
 136
 137 static void __init nexcoder_map_io(void)
 138 {
 139         s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
 140         s3c24xx_init_clocks(0);
 141         s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
 142
 143         nexcoder_sensorboard_init();
 144 }
 145
 146 static void __init nexcoder_init(void)
 147 {
 148         s3c_i2c0_set_platdata(NULL);
 149         platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
 150 };
 151
 152 MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
 153         /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
 154         .atag_offset    = 0x100,
 155         .map_io         = nexcoder_map_io,
 156         .init_machine   = nexcoder_init,
 157         .init_irq       = s3c24xx_init_irq,
 158         .timer          = &s3c24xx_timer,
 159 MACHINE_END