arch/arm/boards/mini2440/mini2440.c

   1 /*
   2  * Copyright (C) 2010 Marek Belisko <marek.belisko@open-nandra.com>
   3  *
   4  * based on a9m2440.c board init
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of
   9  * the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  19  * MA 02111-1307 USA
  20  *
  21  */
  22
  23 /**
  24  * @file
  25  * @brief mini2440 Specific Board Initialization routines
  26  *
  27  */
  28
  29 #include <common.h>
  30 #include <driver.h>
  31 #include <init.h>
  32 #include <asm/armlinux.h>
  33 #include <asm/mach-types.h>
  34 #include <partition.h>
  35 #include <nand.h>
  36 #include <asm/io.h>
  37 #include <mach/s3c24x0-iomap.h>
  38 #include <mach/s3c24x0-nand.h>
  39 #include <mach/s3c24xx-generic.h>
  40
  41 #include <dm9000.h>
  42
  43 static struct memory_platform_data ram_pdata = {
  44         .name           = "ram0",
  45         .flags          = DEVFS_RDWR,
  46 };
  47
  48 static struct device_d sdram_dev = {
  49         .name           = "mem",
  50         .map_base       = CS6_BASE,
  51         .platform_data  = &ram_pdata,
  52 };
  53
  54
  55 /*
  56  * dm9000 network controller onboard
  57  */
  58
  59 static struct dm9000_platform_data dm9000_data = {
  60         .iobase   = 0x20000300,
  61         .iodata   = 0x20000304,
  62         .buswidth = DM9000_WIDTH_16,
  63         .srom     = 0,
  64 };
  65
  66 static struct device_d dm9000_dev = {
  67         .name     = "dm9000",
  68         .map_base = 0x20000300,
  69         .size     = 8,
  70         .platform_data = &dm9000_data,
  71 };
  72
  73
  74
  75
  76 static int mini2440_devices_init(void)
  77 {
  78
  79         /* ----------- configure the access to the outer space ---------- */
  80         reg = readl(BWSCON);
  81
  82         /* CS#4 to access the network controller */
  83         reg &= ~0x000f0000;
  84         reg |=  0x000d0000;     /* 16 bit */
  85         writel(0x1f4c, BANKCON4);
  86
  87         writel(reg, BWSCON);
  88
  89
  90         /* release the reset signal to external devices */
  91         reg = readl(MISCCR);
  92         reg |= 0x10000;
  93         writel(reg, MISCCR);
  94
  95         register_device(&sdram_dev);
  96         register_device(&dm9000_dev);
  97
  98         return 0;
  99 }
 100
 101 device_initcall(mini2440_devices_init);
 102
 103 static struct device_d a9m2440_serial_device = {
 104         .name     = "s3c24x0_serial",
 105         .map_base = UART1_BASE,
 106         .size     = UART1_SIZE,
 107 };
 108
 109 static int mini2440_console_init(void)
 110 {
 111         register_device(&mini2440_serial_device);
 112         return 0;
 113 }
 114
 115 console_initcall(mini2440_console_init);