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 #include "common.h"
  51
  52 static struct map_desc nexcoder_iodesc[] __initdata = {
  53         /* nothing here yet */
  54 };
  55
  56 #define UCON S3C2410_UCON_DEFAULT
  57 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  58 #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
  59
  60 static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
  61         [0] = {
  62                 .hwport      = 0,
  63                 .flags       = 0,
  64                 .ucon        = UCON,
  65                 .ulcon       = ULCON,
  66                 .ufcon       = UFCON,
  67         },
  68         [1] = {
  69                 .hwport      = 1,
  70                 .flags       = 0,
  71                 .ucon        = UCON,
  72                 .ulcon       = ULCON,
  73                 .ufcon       = UFCON,
  74         },
  75         [2] = {
  76                 .hwport      = 2,
  77                 .flags       = 0,
  78                 .ucon        = UCON,
  79                 .ulcon       = ULCON,
  80                 .ufcon       = UFCON,
  81         }
  82 };
  83
  84 /* NOR Flash on NexVision NexCoder 2440 board */
  85
  86 static struct resource nexcoder_nor_resource[] = {
  87         [0] = {
  88                 .start = S3C2410_CS0,
  89                 .end   = S3C2410_CS0 + (8*1024*1024) - 1,
  90                 .flags = IORESOURCE_MEM,
  91         }
  92 };
  93
  94 static struct map_info nexcoder_nor_map = {
  95         .bankwidth = 2,
  96 };
  97
  98 static struct platform_device nexcoder_device_nor = {
  99         .name           = "mtd-flash",
 100         .id             = -1,
 101         .num_resources  = ARRAY_SIZE(nexcoder_nor_resource),
 102         .resource       = nexcoder_nor_resource,
 103         .dev =
 104         {
 105                 .platform_data = &nexcoder_nor_map,
 106         }
 107 };
 108
 109 /* Standard Nexcoder devices */
 110
 111 static struct platform_device *nexcoder_devices[] __initdata = {
 112         &s3c_device_ohci,
 113         &s3c_device_lcd,
 114         &s3c_device_wdt,
 115         &s3c_device_i2c0,
 116         &s3c_device_iis,
 117         &s3c_device_rtc,
 118         &s3c_device_camif,
 119         &s3c_device_spi0,
 120         &s3c_device_spi1,
 121         &nexcoder_device_nor,
 122 };
 123
 124 static void __init nexcoder_sensorboard_init(void)
 125 {
 126         // Initialize SCCB bus
 127         s3c2410_gpio_setpin(S3C2410_GPE(14), 1); // IICSCL
 128         s3c_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPIO_OUTPUT);
 129         s3c2410_gpio_setpin(S3C2410_GPE(15), 1); // IICSDA
 130         s3c_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPIO_OUTPUT);
 131
 132         // Power up the sensor board
 133         s3c2410_gpio_setpin(S3C2410_GPF(1), 1);
 134         s3c_gpio_cfgpin(S3C2410_GPF(1), S3C2410_GPIO_OUTPUT); // CAM_GPIO7 => nLDO_PWRDN
 135         s3c2410_gpio_setpin(S3C2410_GPF(2), 0);
 136         s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); // CAM_GPIO6 => CAM_PWRDN
 137 }
 138
 139 static void __init nexcoder_map_io(void)
 140 {
 141         s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
 142         s3c24xx_init_clocks(0);
 143         s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
 144
 145         nexcoder_sensorboard_init();
 146 }
 147
 148 static void __init nexcoder_init(void)
 149 {
 150         s3c_i2c0_set_platdata(NULL);
 151         platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
 152 };
 153
 154 MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
 155         /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
 156         .atag_offset    = 0x100,
 157         .map_io         = nexcoder_map_io,
 158         .init_machine   = nexcoder_init,
 159         .init_irq       = s3c24xx_init_irq,
 160         .timer          = &s3c24xx_timer,
 161         .restart        = s3c244x_restart,
 162 MACHINE_END