arch/arm/mach-s3c24xx/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 <mach/gpio-samsung.h>
  41 #include <plat/regs-serial.h>
  42 #include <linux/platform_data/i2c-s3c2410.h>
  43
  44 #include <plat/gpio-cfg.h>
  45 #include <plat/clock.h>
  46 #include <plat/devs.h>
  47 #include <plat/cpu.h>
  48 #include <plat/samsung-time.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] = DEFINE_RES_MEM(S3C2410_CS0, SZ_8M),
  88 };
  89
  90 static struct map_info nexcoder_nor_map = {
  91         .bankwidth = 2,
  92 };
  93
  94 static struct platform_device nexcoder_device_nor = {
  95         .name           = "mtd-flash",
  96         .id             = -1,
  97         .num_resources  = ARRAY_SIZE(nexcoder_nor_resource),
  98         .resource       = nexcoder_nor_resource,
  99         .dev =
 100         {
 101                 .platform_data = &nexcoder_nor_map,
 102         }
 103 };
 104
 105 /* Standard Nexcoder devices */
 106
 107 static struct platform_device *nexcoder_devices[] __initdata = {
 108         &s3c_device_ohci,
 109         &s3c_device_lcd,
 110         &s3c_device_wdt,
 111         &s3c_device_i2c0,
 112         &s3c_device_iis,
 113         &s3c_device_rtc,
 114         &s3c_device_camif,
 115         &s3c_device_spi0,
 116         &s3c_device_spi1,
 117         &nexcoder_device_nor,
 118 };
 119
 120 static void __init nexcoder_sensorboard_init(void)
 121 {
 122         /* Initialize SCCB bus */
 123         gpio_request_one(S3C2410_GPE(14), GPIOF_OUT_INIT_HIGH, NULL);
 124         gpio_free(S3C2410_GPE(14)); /* IICSCL */
 125         gpio_request_one(S3C2410_GPE(15), GPIOF_OUT_INIT_HIGH, NULL);
 126         gpio_free(S3C2410_GPE(15)); /* IICSDA */
 127
 128         /* Power up the sensor board */
 129         gpio_request_one(S3C2410_GPF(1), GPIOF_OUT_INIT_HIGH, NULL);
 130         gpio_free(S3C2410_GPF(1)); /* CAM_GPIO7 => nLDO_PWRDN */
 131         gpio_request_one(S3C2410_GPF(2), GPIOF_OUT_INIT_LOW, NULL);
 132         gpio_free(S3C2410_GPF(2)); /* CAM_GPIO6 => CAM_PWRDN */
 133 }
 134
 135 static void __init nexcoder_map_io(void)
 136 {
 137         s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
 138         s3c24xx_init_clocks(0);
 139         s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
 140         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 141
 142         nexcoder_sensorboard_init();
 143 }
 144
 145 static void __init nexcoder_init(void)
 146 {
 147         s3c_i2c0_set_platdata(NULL);
 148         platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
 149 };
 150
 151 MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
 152         /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
 153         .atag_offset    = 0x100,
 154         .map_io         = nexcoder_map_io,
 155         .init_machine   = nexcoder_init,
 156         .init_irq       = s3c2440_init_irq,
 157         .init_time      = samsung_timer_init,
 158         .restart        = s3c244x_restart,
 159 MACHINE_END