diff options
Diffstat (limited to 'kernel/arch/mips/txx9/jmr3927/prom.c')
| -rw-r--r-- | kernel/arch/mips/txx9/jmr3927/prom.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/kernel/arch/mips/txx9/jmr3927/prom.c b/kernel/arch/mips/txx9/jmr3927/prom.c new file mode 100644 index 000000000..c899c0c08 --- /dev/null +++ b/kernel/arch/mips/txx9/jmr3927/prom.c @@ -0,0 +1,52 @@ +/* + * BRIEF MODULE DESCRIPTION + * PROM library initialisation code, assuming a version of + * pmon is the boot code. + * + * Copyright 2001 MontaVista Software Inc. + * Author: MontaVista Software, Inc. + * ahennessy@mvista.com + * + * Based on arch/mips/au1000/common/prom.c + * + * This file was derived from Carsten Langgaard's + * arch/mips/mips-boards/xx files. + * + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * 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., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <asm/bootinfo.h> +#include <asm/txx9/generic.h> +#include <asm/txx9/jmr3927.h> + +void __init jmr3927_prom_init(void) +{ + /* CCFG */ + if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0) + printk(KERN_ERR "TX3927 TLB off\n"); + + add_memory_region(0, JMR3927_SDRAM_SIZE, BOOT_MEM_RAM); + txx9_sio_putchar_init(TX3927_SIO_REG(1)); +} |