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/serial_s3c.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/io.h>
  27
  28 #include <linux/mtd/map.h>
  29
  30 #include <asm/mach/arch.h>
  31 #include <asm/mach/map.h>
  32 #include <asm/mach/irq.h>
  33
  34 #include <asm/setup.h>
  35 #include <mach/hardware.h>
  36 #include <asm/irq.h>
  37 #include <asm/mach-types.h>
  38
  39 //#include <asm/debug-ll.h>
  40 #include <mach/regs-gpio.h>
  41 #include <mach/gpio-samsung.h>
  42 #include <linux/platform_data/i2c-s3c2410.h>
  43
  44 #include <plat/gpio-cfg.h>
  45 #include <plat/devs.h>
  46 #include <plat/cpu.h>
  47 #include <plat/samsung-time.h>
  48
  49 #include "common.h"
  50
  51 static struct map_desc nexcoder_iodesc[] __initdata = {
  52         /* nothing here yet */
  53 };
  54
  55 #define UCON S3C2410_UCON_DEFAULT
  56 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  57 #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
  58
  59 static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
  60         [0] = {
  61                 .hwport      = 0,
  62                 .flags       = 0,
  63                 .ucon        = UCON,
  64                 .ulcon       = ULCON,
  65                 .ufcon       = UFCON,
  66         },
  67         [1] = {
  68                 .hwport      = 1,
  69                 .flags       = 0,
  70                 .ucon        = UCON,
  71                 .ulcon       = ULCON,
  72                 .ufcon       = UFCON,
  73         },
  74         [2] = {
  75                 .hwport      = 2,
  76                 .flags       = 0,
  77                 .ucon        = UCON,
  78                 .ulcon       = ULCON,
  79                 .ufcon       = UFCON,
  80         }
  81 };
  82
  83 /* NOR Flash on NexVision NexCoder 2440 board */
  84
  85 static struct resource nexcoder_nor_resource[] = {
  86         [0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_8M),
  87 };
  88
  89 static struct map_info nexcoder_nor_map = {
  90         .bankwidth = 2,
  91 };
  92
  93 static struct platform_device nexcoder_device_nor = {
  94         .name           = "mtd-flash",
  95         .id             = -1,
  96         .num_resources  = ARRAY_SIZE(nexcoder_nor_resource),
  97         .resource       = nexcoder_nor_resource,
  98         .dev =
  99         {
 100                 .platform_data = &nexcoder_nor_map,
 101         }
 102 };
 103
 104 /* Standard Nexcoder devices */
 105
 106 static struct platform_device *nexcoder_devices[] __initdata = {
 107         &s3c_device_ohci,
 108         &s3c_device_lcd,
 109         &s3c_device_wdt,
 110         &s3c_device_i2c0,
 111         &s3c_device_iis,
 112         &s3c_device_rtc,
 113         &s3c_device_camif,
 114         &s3c_device_spi0,
 115         &s3c_device_spi1,
 116         &nexcoder_device_nor,
 117 };
 118
 119 static void __init nexcoder_sensorboard_init(void)
 120 {
 121         /* Initialize SCCB bus */
 122         gpio_request_one(S3C2410_GPE(14), GPIOF_OUT_INIT_HIGH, NULL);
 123         gpio_free(S3C2410_GPE(14)); /* IICSCL */
 124         gpio_request_one(S3C2410_GPE(15), GPIOF_OUT_INIT_HIGH, NULL);
 125         gpio_free(S3C2410_GPE(15)); /* IICSDA */
 126
 127         /* Power up the sensor board */
 128         gpio_request_one(S3C2410_GPF(1), GPIOF_OUT_INIT_HIGH, NULL);
 129         gpio_free(S3C2410_GPF(1)); /* CAM_GPIO7 => nLDO_PWRDN */
 130         gpio_request_one(S3C2410_GPF(2), GPIOF_OUT_INIT_LOW, NULL);
 131         gpio_free(S3C2410_GPF(2)); /* CAM_GPIO6 => CAM_PWRDN */
 132 }
 133
 134 static void __init nexcoder_map_io(void)
 135 {
 136         s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
 137         s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
 138         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 139
 140         nexcoder_sensorboard_init();
 141 }
 142
 143 static void __init nexcoder_init_time(void)
 144 {
 145         s3c2440_init_clocks(12000000);
 146         samsung_timer_init();
 147 }
 148
 149 static void __init nexcoder_init(void)
 150 {
 151         s3c_i2c0_set_platdata(NULL);
 152         platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
 153 };
 154
 155 MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
 156         /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
 157         .atag_offset    = 0x100,
 158         .map_io         = nexcoder_map_io,
 159         .init_machine   = nexcoder_init,
 160         .init_irq       = s3c2440_init_irq,
 161         .init_time      = nexcoder_init_time,
 162         .restart        = s3c244x_restart,
 163 MACHINE_END