u-boot/board/mpc8568mds/bcsr.c
Andy Fleming 6743105988 Add support for the 8568 MDS board
This included some changes to common files:
* Add 8568 processor SVR to various places
* Add support for setting the qe bus-frequency value in the dts
* Add the 8568MDS target to the Makefile

Signed-off-by: Andy Fleming <afleming@freescale.com>
2007-05-02 15:50:02 -05:00

49 lines
1.4 KiB
C

/*
* Copyright 2007 Freescale Semiconductor.
*
* 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 "bcsr.h"
void enable_8568mds_duart()
{
volatile uint* duart_mux = (uint *)(CFG_CCSRBAR + 0xe0060);
volatile uint* devices = (uint *)(CFG_CCSRBAR + 0xe0070);
volatile u8 *bcsr = (u8 *)(CFG_BCSR);
*duart_mux = 0x80000000; /* Set the mux to Duart on PMUXCR */
*devices = 0; /* Enable all peripheral devices */
bcsr[5] |= 0x01; /* Enable Duart in BCSR*/
}
void enable_8568mds_flash_write()
{
volatile u8 *bcsr = (u8 *)(CFG_BCSR);
bcsr[9] |= 0x01;
}
void disable_8568mds_flash_write()
{
volatile u8 *bcsr = (u8 *)(CFG_BCSR);
bcsr[9] &= ~(0x01);
}