LXR uboot/board/ns9750dev/ns9750dev.c

   1/*
   2 * (C) Copyright 2002
   3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
   4 * Marius Groeger <mgroeger@sysgo.de>
   5 *
   6 * (C) Copyright 2002
   7 * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
   8 *
   9 * (C) Copyright 2003
  10 * Texas Instruments, <www.ti.com>
  11 * Kshitij Gupta <Kshitij@ti.com>
  12 *
  13 * Copyright (C) 2004 by FS Forth-Systeme GmbH.
  14 * All rights reserved.
  15 * Markus Pietrek <mpietrek@fsforth.de>
  16 * derived from omap1610innovator.c
  17 * @References: [1] NS9750 Hardware Reference/December 2003
  18 *
  19 * See file CREDITS for list of people who contributed to this
  20 * project.
  21 *
  22 * This program is free software; you can redistribute it and/or
  23 * modify it under the terms of the GNU General Public License as
  24 * published by the Free Software Foundation; either version 2 of
  25 * the License, or (at your option) any later version.
  26 *
  27 * This program is distributed in the hope that it will be useful,
  28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  30 * GNU General Public License for more details.
  31 *
  32 * You should have received a copy of the GNU General Public License
  33 * along with this program; if not, write to the Free Software
  34 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  35 * MA 02111-1307 USA
  36 */
  37
  38#include <common.h>
  39#if defined(CONFIG_NS9750DEV)
  40# include <./configs/ns9750dev.h>
  41# include <./ns9750_bbus.h>
  42#endif
  43
  44DECLARE_GLOBAL_DATA_PTR;
  45
  46void flash__init( void );
  47void ether__init( void );
  48
  49static inline void delay( unsigned long loops )
  50{
  51        __asm__ volatile ("1:\n"
  52                "subs %0, %1, #1\n"
  53                "bne 1b":"=r" (loops):"0" (loops));
  54}
  55
  56
  57/***********************************************************************
  58 * @Function: board_init
  59 * @Return: 0
  60 * @Descr: Enables BBUS modules and other devices
  61 ***********************************************************************/
  62
  63int board_init( void )
  64{
  65        /* Active BBUS modules */
  66        *get_bbus_reg_addr( NS9750_BBUS_MASTER_RESET ) = 0;
  67
  68#warning Please register your machine at http://www.arm.linux.org.uk/developer/machines/?action=new
  69        /* arch number of OMAP 1510-Board */
  70        /* to be changed for OMAP 1610 Board */
  71        gd->bd->bi_arch_number = 234;
  72
  73        /* adress of boot parameters */
  74        gd->bd->bi_boot_params = 0x10000100;
  75
  76
  77/* this speeds up your boot a quite a bit.  However to make it
  78 *  work, you need make sure your kernel startup flush bug is fixed.
  79 *  ... rkw ...
  80 */
  81        icache_enable();
  82
  83        flash__init();
  84        ether__init();
  85        return 0;
  86}
  87
  88
  89int misc_init_r (void)
  90{
  91        /* currently empty */
  92        return (0);
  93}
  94
  95/******************************
  96 Routine:
  97 Description:
  98******************************/
  99void flash__init (void)
 100{
 101}
 102/*************************************************************
 103 Routine:ether__init
 104 Description: take the Ethernet controller out of reset and wait
 105                           for the EEPROM load to complete.
 106*************************************************************/
 107void ether__init (void)
 108{
 109}
 110
 111/******************************
 112 Routine:
 113 Description:
 114******************************/
 115int dram_init (void)
 116{
 117        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
 118        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
 119
 120#if CONFIG_NR_DRAM_BANKS > 1
 121        gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
 122        gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
 123#endif
 124        return 0;
 125}
 126