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cleaned up amazon serial and prom code

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8344 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
blogic
2007-08-05 08:53:07 +00:00
parent 3c77e53b3f
commit a4f37bc4de
3 changed files with 183 additions and 236 deletions
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26
target/linux/amazon-2.6/files/arch/mips/amazon/prom.c
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@@ -1,6 +1,21 @@
/*
* copyright 2007 john crispin <blogic@openwrt.org>
* 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.
*
* Copyright 2007 John Crispin <blogic@openwrt.org>
*/
#include <linux/init.h>
#include <linux/string.h>
#include <linux/ctype.h>
@@ -17,11 +32,11 @@
void prom_putchar(char c)
{
/* Wait for FIFO to empty */
while (((*AMAZON_ASC_FSTAT) >> 8) != 0x00) ;
while ((amazon_readl(AMAZON_ASC_FSTAT) >> 8) != 0x00) ;
/* Crude cr/nl handling is better than none */
if(c == '\n')
*AMAZON_ASC_TBUF=('\r');
*AMAZON_ASC_TBUF=(c);
amazon_writel('\r', AMAZON_ASC_TBUF);
amazon_writel(c, AMAZON_ASC_TBUF);
}
void prom_printf(const char * fmt, ...)
@@ -32,7 +47,8 @@ void prom_printf(const char * fmt, ...)
char buf[1024];
va_start(args, fmt);
l = vsprintf(buf, fmt, args); /* hopefully i < sizeof(buf) */
/* FIXME - hopefully i < sizeof(buf) */
l = vsprintf(buf, fmt, args);
va_end(args);
buf_end = buf + l;