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
  25 #include <linux/mtd/map.h>
  26
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/map.h>
  29 #include <asm/mach/irq.h>
  30
  31 #include <asm/setup.h>
  32 #include <asm/hardware.h>
  33 #include <asm/io.h>
  34 #include <asm/irq.h>
  35 #include <asm/mach-types.h>
  36
  37 //#include <asm/debug-ll.h>
  38 #include <asm/arch/regs-gpio.h>
  39 #include <asm/plat-s3c/regs-serial.h>
  40
  41 #include <asm/plat-s3c24xx/s3c2410.h>
  42 #include <asm/plat-s3c24xx/s3c2440.h>
  43 #include <asm/plat-s3c24xx/clock.h>
  44 #include <asm/plat-s3c24xx/devs.h>
  45 #include <asm/plat-s3c24xx/cpu.h>
  46
  47 static struct map_desc nexcoder_iodesc[] __initdata = {
  48         /* nothing here yet */
  49 };
  50
  51 #define UCON S3C2410_UCON_DEFAULT
  52 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  53 #define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
  54
  55 static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
  56         [0] = {
  57                 .hwport      = 0,
  58                 .flags       = 0,
  59                 .ucon        = UCON,
  60                 .ulcon       = ULCON,
  61                 .ufcon       = UFCON,
  62         },
  63         [1] = {
  64                 .hwport      = 1,
  65                 .flags       = 0,
  66                 .ucon        = UCON,
  67                 .ulcon       = ULCON,
  68                 .ufcon       = UFCON,
  69         },
  70         [2] = {
  71                 .hwport      = 2,
  72                 .flags       = 0,
  73                 .ucon        = UCON,
  74                 .ulcon       = ULCON,
  75                 .ufcon       = UFCON,
  76         }
  77 };
  78
  79 /* NOR Flash on NexVision NexCoder 2440 board */
  80
  81 static struct resource nexcoder_nor_resource[] = {
  82         [0] = {
  83                 .start = S3C2410_CS0,
  84                 .end   = S3C2410_CS0 + (8*1024*1024) - 1,
  85                 .flags = IORESOURCE_MEM,
  86         }
  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_usb,
 108         &s3c_device_lcd,
 109         &s3c_device_wdt,
 110         &s3c_device_i2c,
 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         s3c2410_gpio_setpin(S3C2410_GPE14, 1); // IICSCL
 123         s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_OUTP);
 124         s3c2410_gpio_setpin(S3C2410_GPE15, 1); // IICSDA
 125         s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_OUTP);
 126
 127         // Power up the sensor board
 128         s3c2410_gpio_setpin(S3C2410_GPF1, 1);
 129         s3c2410_gpio_cfgpin(S3C2410_GPF1, S3C2410_GPF1_OUTP); // CAM_GPIO7 => nLDO_PWRDN
 130         s3c2410_gpio_setpin(S3C2410_GPF2, 0);
 131         s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPF2_OUTP); // 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_clocks(0);
 138         s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
 139
 140         nexcoder_sensorboard_init();
 141 }
 142
 143 static void __init nexcoder_init(void)
 144 {
 145         platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
 146 };
 147
 148 MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
 149         /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
 150         .phys_io        = S3C2410_PA_UART,
 151         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 152         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 153         .map_io         = nexcoder_map_io,
 154         .init_machine   = nexcoder_init,
 155         .init_irq       = s3c24xx_init_irq,
 156         .timer          = &s3c24xx_timer,
 157 MACHINE_END