kernel/2.6.29.6-aldebaran-rt/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/string.h>
  22 #include <linux/serial_core.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/io.h>
  25
  26 #include <linux/mtd/map.h>
  27
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30 #include <asm/mach/irq.h>
  31
  32 #include <asm/setup.h>
  33 #include <mach/hardware.h>
  34 #include <asm/irq.h>
  35 #include <asm/mach-types.h>
  36
  37 //#include <asm/debug-ll.h>
  38 #include <mach/regs-gpio.h>
  39 #include <plat/regs-serial.h>
  40 #include <plat/iic.h>
  41
  42 #include <plat/s3c2410.h>
  43 #include <plat/s3c2440.h>
  44 #include <plat/clock.h>
  45 #include <plat/devs.h>
  46 #include <plat/cpu.h>
  47
  48 static struct map_desc nexcoder_iodesc[] __initdata = {
  49         /* nothing here yet */
  50 };
  51
  52 #define UCON S3C2410_UCON_DEFAULT
  53 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  54 #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
  55
  56 static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
  57         [0] = {
  58                 .hwport      = 0,
  59                 .flags       = 0,
  60                 .ucon        = UCON,
  61                 .ulcon       = ULCON,
  62                 .ufcon       = UFCON,
  63         },
  64         [1] = {
  65                 .hwport      = 1,
  66                 .flags       = 0,
  67                 .ucon        = UCON,
  68                 .ulcon       = ULCON,
  69                 .ufcon       = UFCON,
  70         },
  71         [2] = {
  72                 .hwport      = 2,
  73                 .flags       = 0,
  74                 .ucon        = UCON,
  75                 .ulcon       = ULCON,
  76                 .ufcon       = UFCON,
  77         }
  78 };
  79
  80 /* NOR Flash on NexVision NexCoder 2440 board */
  81
  82 static struct resource nexcoder_nor_resource[] = {
  83         [0] = {
  84                 .start = S3C2410_CS0,
  85                 .end   = S3C2410_CS0 + (8*1024*1024) - 1,
  86                 .flags = IORESOURCE_MEM,
  87         }
  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_usb,
 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         s3c2410_gpio_setpin(S3C2410_GPE14, 1); // IICSCL
 124         s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_OUTP);
 125         s3c2410_gpio_setpin(S3C2410_GPE15, 1); // IICSDA
 126         s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_OUTP);
 127
 128         // Power up the sensor board
 129         s3c2410_gpio_setpin(S3C2410_GPF1, 1);
 130         s3c2410_gpio_cfgpin(S3C2410_GPF1, S3C2410_GPF1_OUTP); // CAM_GPIO7 => nLDO_PWRDN
 131         s3c2410_gpio_setpin(S3C2410_GPF2, 0);
 132         s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPF2_OUTP); // 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
 141         nexcoder_sensorboard_init();
 142 }
 143
 144 static void __init nexcoder_init(void)
 145 {
 146         s3c_i2c0_set_platdata(NULL);
 147         platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
 148 };
 149
 150 MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
 151         /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
 152         .phys_io        = S3C2410_PA_UART,
 153         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 154         .boot_params    = S3C2410_SDRAM_PA + 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