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https://github.com/brain-hackers/u-boot-brain
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16e7559c08
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>
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/*
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* Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/io.h>
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#include "bcsr.h"
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void enable_8569mds_flash_write()
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{
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setbits_8((u8 *)(CONFIG_SYS_BCSR_BASE + 17), BCSR17_FLASH_nWP);
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}
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void disable_8569mds_flash_write()
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{
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clrbits_8((u8 *)(CONFIG_SYS_BCSR_BASE + 17), BCSR17_FLASH_nWP);
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}
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void enable_8569mds_qe_mdio()
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{
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setbits_8((u8 *)(CONFIG_SYS_BCSR_BASE + 7),
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BCSR7_UCC1_GETH_EN | BCSR7_UCC1_RGMII_EN);
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setbits_8((u8 *)(CONFIG_SYS_BCSR_BASE + 8),
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BCSR8_UCC2_GETH_EN | BCSR8_UCC2_RGMII_EN);
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}
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void disable_8569mds_brd_eeprom_write_protect()
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{
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clrbits_8((u8 *)(CONFIG_SYS_BCSR_BASE + 7), BCSR7_BRD_WRT_PROTECT);
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}
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