mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-19 11:18:28 +00:00
127 lines
3.2 KiB
C
127 lines
3.2 KiB
C
/*
|
|
* (C) Copyright 2002
|
|
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
|
|
* Marius Groeger <mgroeger@sysgo.de>
|
|
*
|
|
* (C) Copyright 2002
|
|
* David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
|
|
*
|
|
* (C) Copyright 2003
|
|
* Texas Instruments, <www.ti.com>
|
|
* Kshitij Gupta <Kshitij@ti.com>
|
|
*
|
|
* Copyright (C) 2004 by FS Forth-Systeme GmbH.
|
|
* All rights reserved.
|
|
* Markus Pietrek <mpietrek@fsforth.de>
|
|
* derived from omap1610innovator.c
|
|
* @References: [1] NS9750 Hardware Reference/December 2003
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <common.h>
|
|
#if defined(CONFIG_NS9750DEV)
|
|
# include <./configs/ns9750dev.h>
|
|
# include <./ns9750_bbus.h>
|
|
#endif
|
|
|
|
void flash__init( void );
|
|
void ether__init( void );
|
|
|
|
static inline void delay( unsigned long loops )
|
|
{
|
|
__asm__ volatile ("1:\n"
|
|
"subs %0, %1, #1\n"
|
|
"bne 1b":"=r" (loops):"0" (loops));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* @Function: board_init
|
|
* @Return: 0
|
|
* @Descr: Enables BBUS modules and other devices
|
|
***********************************************************************/
|
|
|
|
int board_init( void )
|
|
{
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/* Active BBUS modules */
|
|
*get_bbus_reg_addr( NS9750_BBUS_MASTER_RESET ) = 0;
|
|
|
|
#warning Please register your machine at http://www.arm.linux.org.uk/developer/machines/?action=new
|
|
/* arch number of OMAP 1510-Board */
|
|
/* to be changed for OMAP 1610 Board */
|
|
gd->bd->bi_arch_number = 234;
|
|
|
|
/* adress of boot parameters */
|
|
gd->bd->bi_boot_params = 0x10000100;
|
|
|
|
|
|
/* this speeds up your boot a quite a bit. However to make it
|
|
* work, you need make sure your kernel startup flush bug is fixed.
|
|
* ... rkw ...
|
|
*/
|
|
icache_enable();
|
|
|
|
flash__init();
|
|
ether__init();
|
|
return 0;
|
|
}
|
|
|
|
|
|
int misc_init_r (void)
|
|
{
|
|
/* currently empty */
|
|
return (0);
|
|
}
|
|
|
|
/******************************
|
|
Routine:
|
|
Description:
|
|
******************************/
|
|
void flash__init (void)
|
|
{
|
|
}
|
|
/*************************************************************
|
|
Routine:ether__init
|
|
Description: take the Ethernet controller out of reset and wait
|
|
for the EEPROM load to complete.
|
|
*************************************************************/
|
|
void ether__init (void)
|
|
{
|
|
}
|
|
|
|
/******************************
|
|
Routine:
|
|
Description:
|
|
******************************/
|
|
int dram_init (void)
|
|
{
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
|
|
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
|
|
|
|
#if CONFIG_NR_DRAM_BANKS > 1
|
|
gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
|
|
gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
|
|
#endif
|
|
return 0;
|
|
}
|