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/*
* 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 <asm/bootinfo.h>
#include <asm/txx9/generic.h>
#include <asm/txx9/jmr3927.h>
#define TIMEOUT 0xffffff
void
prom_putchar(char c)
{
int i = 0;
do {
i++;
if (i>TIMEOUT)
break;
} while (!(tx3927_sioptr(1)->cisr & TXx927_SICISR_TXALS));
tx3927_sioptr(1)->tfifo = c;
return;
}
void
puts(const char *cp)
{
while (*cp)
prom_putchar(*cp++);
prom_putchar('\r');
prom_putchar('\n');
}
void __init jmr3927_prom_init(void)
{
/* CCFG */
if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0)
puts("Warning: TX3927 TLB off\n");
prom_init_cmdline();
add_memory_region(0, JMR3927_SDRAM_SIZE, BOOT_MEM_RAM);
}
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