allow coexistance of N build and AC build.
[tomato.git] / release / src-rt-6.x / linux / linux-2.6 / arch / ia64 / hp / sim / hpsim_console.c
blob6e149c8ab83514af175ea8d03563b43893acc5d8
1 /*
2 * Platform dependent support for HP simulator.
4 * Copyright (C) 1998, 1999, 2002 Hewlett-Packard Co
5 * David Mosberger-Tang <davidm@hpl.hp.com>
6 * Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com>
7 */
9 #include <linux/init.h>
10 #include <linux/kernel.h>
11 #include <linux/param.h>
12 #include <linux/string.h>
13 #include <linux/types.h>
14 #include <linux/tty.h>
15 #include <linux/kdev_t.h>
16 #include <linux/console.h>
18 #include <asm/delay.h>
19 #include <asm/irq.h>
20 #include <asm/pal.h>
21 #include <asm/machvec.h>
22 #include <asm/pgtable.h>
23 #include <asm/sal.h>
25 #include "hpsim_ssc.h"
27 static int simcons_init (struct console *, char *);
28 static void simcons_write (struct console *, const char *, unsigned);
29 static struct tty_driver *simcons_console_device (struct console *, int *);
31 struct console hpsim_cons = {
32 .name = "simcons",
33 .write = simcons_write,
34 .device = simcons_console_device,
35 .setup = simcons_init,
36 .flags = CON_PRINTBUFFER,
37 .index = -1,
40 static int
41 simcons_init (struct console *cons, char *options)
43 return 0;
46 static void
47 simcons_write (struct console *cons, const char *buf, unsigned count)
49 unsigned long ch;
51 while (count-- > 0) {
52 ch = *buf++;
53 ia64_ssc(ch, 0, 0, 0, SSC_PUTCHAR);
54 if (ch == '\n')
55 ia64_ssc('\r', 0, 0, 0, SSC_PUTCHAR);
59 static struct tty_driver *simcons_console_device (struct console *c, int *index)
61 extern struct tty_driver *hp_simserial_driver;
62 *index = c->index;
63 return hp_simserial_driver;