Viewing file:  ip27-console.c (1.19 KB) -rw-r--r--
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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2001 Ralf Baechle
*/
#include <linux/init.h>
#include <linux/console.h>
#include <linux/kdev_t.h>
#include <linux/major.h>
#include <asm/sn/addrs.h>
#include <asm/sn/sn0/hub.h>
#include <asm/sn/klconfig.h>
#include <asm/sn/ioc3.h>
#include <asm/sn/sn_private.h>
void prom_putchar(char c)
{
struct ioc3 *ioc3;
struct ioc3_uartregs *uart;
ioc3 = (struct ioc3 *)KL_CONFIG_CH_CONS_INFO(master_nasid)->memory_base;
uart = &ioc3->sregs.uarta;
while ((uart->iu_lsr & 0x20) == 0);
uart->iu_thr = c;
}
char __init prom_getchar(void)
{
return 0;
}
static void
ip27prom_console_write(struct console *con, const char *s, unsigned n)
{
prom_printf("%s", s);
}
static kdev_t
ip27prom_console_dev(struct console *c)
{
return MKDEV(TTY_MAJOR, 64 + c->index);
}
static struct console ip27_prom_console = {
name: "prom",
write: ip27prom_console_write,
device: ip27prom_console_dev,
flags: CON_PRINTBUFFER,
index: -1,
};
__init void ip27_setup_console(void)
{
register_console(&ip27_prom_console);
}
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