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   1 /* linux/arch/arm/mach-s3c2410/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/string.h>
  22 #include <linux/platform_device.h>
  23
  24 #include <linux/mtd/map.h>
  25
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/map.h>
  28 #include <asm/mach/irq.h>
  29
  30 #include <asm/setup.h>
  31 #include <asm/hardware.h>
  32 #include <asm/io.h>
  33 #include <asm/irq.h>
  34 #include <asm/mach-types.h>
  35
  36 //#include <asm/debug-ll.h>
  37 #include <asm/arch/regs-gpio.h>
  38 #include <asm/arch/regs-serial.h>
  39
  40 #include "s3c2410.h"
  41 #include "s3c2440.h"
  42 #include "clock.h"
  43 #include "devs.h"
  44 #include "cpu.h"
  45
  46 static struct map_desc nexcoder_iodesc[] __initdata = {
  47         /* nothing here yet */
  48 };
  49
  50 #define UCON S3C2410_UCON_DEFAULT
  51 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  52 #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
  53
  54 static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
  55         [0] = {
  56                 .hwport      = 0,
  57                 .flags       = 0,
  58                 .ucon        = UCON,
  59                 .ulcon       = ULCON,
  60                 .ufcon       = UFCON,
  61         },
  62         [1] = {
  63                 .hwport      = 1,
  64                 .flags       = 0,
  65                 .ucon        = UCON,
  66                 .ulcon       = ULCON,
  67                 .ufcon       = UFCON,
  68         },
  69         [2] = {
  70                 .hwport      = 2,
  71                 .flags       = 0,
  72                 .ucon        = UCON,
  73                 .ulcon       = ULCON,
  74                 .ufcon       = UFCON,
  75         }
  76 };
  77
  78 /* NOR Flash on NexVision NexCoder 2440 board */
  79
  80 static struct resource nexcoder_nor_resource[] = {
  81         [0] = {
  82                 .start = S3C2410_CS0,
  83                 .end   = S3C2410_CS0 + (8*1024*1024) - 1,
  84                 .flags = IORESOURCE_MEM,
  85         }
  86 };
  87
  88 static struct map_info nexcoder_nor_map = {
  89         .bankwidth = 2,
  90 };
  91
  92 static struct platform_device nexcoder_device_nor = {
  93         .name           = "mtd-flash",
  94         .id             = -1,
  95         .num_resources  = ARRAY_SIZE(nexcoder_nor_resource),
  96         .resource       = nexcoder_nor_resource,
  97         .dev =
  98         {
  99                 .platform_data = &nexcoder_nor_map,
 100         }
 101 };
 102
 103 /* Standard Nexcoder devices */
 104
 105 static struct platform_device *nexcoder_devices[] __initdata = {
 106         &s3c_device_usb,
 107         &s3c_device_lcd,
 108         &s3c_device_wdt,
 109         &s3c_device_i2c,
 110         &s3c_device_iis,
 111         &s3c_device_rtc,
 112         &s3c_device_camif,
 113         &s3c_device_spi0,
 114         &s3c_device_spi1,
 115         &nexcoder_device_nor,
 116 };
 117
 118 static struct s3c24xx_board nexcoder_board __initdata = {
 119         .devices       = nexcoder_devices,
 120         .devices_count = ARRAY_SIZE(nexcoder_devices),
 121 };
 122
 123
 124 static void __init nexcoder_sensorboard_init(void)
 125 {
 126         // Initialize SCCB bus
 127         s3c2410_gpio_setpin(S3C2410_GPE14, 1); // IICSCL
 128         s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_OUTP);
 129         s3c2410_gpio_setpin(S3C2410_GPE15, 1); // IICSDA
 130         s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_OUTP);
 131
 132         // Power up the sensor board
 133         s3c2410_gpio_setpin(S3C2410_GPF1, 1);
 134         s3c2410_gpio_cfgpin(S3C2410_GPF1, S3C2410_GPF1_OUTP); // CAM_GPIO7 => nLDO_PWRDN
 135         s3c2410_gpio_setpin(S3C2410_GPF2, 0);
 136         s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPF2_OUTP); // 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         s3c24xx_set_board(&nexcoder_board);
 145         nexcoder_sensorboard_init();
 146 }
 147
 148
 149 MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
 150         /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
 151         .phys_io        = S3C2410_PA_UART,
 152         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 153         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 154         .map_io         = nexcoder_map_io,
 155         .init_irq       = s3c24xx_init_irq,
 156         .timer          = &s3c24xx_timer,
 157 MACHINE_END