u-boot/board/freescale/mpc8569mds/bcsr.c
Dave Liu 16e7559c08 85xx: Fix the wrong BCSR address of 8569MDS
The BCSR17[7] = 1 will unlock the write protect of FLASH.
The WP# pin only controls the write protect of top/bottom sector,
That is why we can save env, but we can't write the first sector
before the patch.

Signed-off-by: Dave Liu <daveliu@freescale.com>
2009-06-09 22:58:32 +02:00

49 lines
1.4 KiB
C

/*
* Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved.
*
* 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>
#include <asm/io.h>
#include "bcsr.h"
void enable_8569mds_flash_write()
{
setbits_8((u8 *)(CONFIG_SYS_BCSR_BASE + 17), BCSR17_FLASH_nWP);
}
void disable_8569mds_flash_write()
{
clrbits_8((u8 *)(CONFIG_SYS_BCSR_BASE + 17), BCSR17_FLASH_nWP);
}
void enable_8569mds_qe_mdio()
{
setbits_8((u8 *)(CONFIG_SYS_BCSR_BASE + 7),
BCSR7_UCC1_GETH_EN | BCSR7_UCC1_RGMII_EN);
setbits_8((u8 *)(CONFIG_SYS_BCSR_BASE + 8),
BCSR8_UCC2_GETH_EN | BCSR8_UCC2_RGMII_EN);
}
void disable_8569mds_brd_eeprom_write_protect()
{
clrbits_8((u8 *)(CONFIG_SYS_BCSR_BASE + 7), BCSR7_BRD_WRT_PROTECT);
}