1 /*
2 * Wrap-around code for a console using the
3 * DECstation PROM io-routines.
4 *
5 * Copyright (c) 1998 Harald Koerfgen
6 */
7
8 #include <linux/tty.h>
9 #include <linux/ptrace.h>
10 #include <linux/init.h>
11 #include <linux/console.h>
12 #include <linux/fs.h>
13
14 #include <asm/dec/prom.h>
15
prom_console_write(struct console * co,const char * s,unsigned count)16 static void prom_console_write(struct console *co, const char *s,
17 unsigned count)
18 {
19 unsigned i;
20
21 /*
22 * Now, do each character
23 */
24 for (i = 0; i < count; i++) {
25 if (*s == 10)
26 prom_printf("%c", 13);
27 prom_printf("%c", *s++);
28 }
29 }
30
prom_console_setup(struct console * co,char * options)31 static int __init prom_console_setup(struct console *co, char *options)
32 {
33 return 0;
34 }
35
36 static struct console sercons = {
37 .name = "ttyS",
38 .write = prom_console_write,
39 .setup = prom_console_setup,
40 .flags = CON_PRINTBUFFER,
41 .index = -1,
42 };
43
44 /*
45 * Register console.
46 */
47
prom_console_init(void)48 static int __init prom_console_init(void)
49 {
50 register_console(&sercons);
51
52 return 0;
53 }
54 console_initcall(prom_console_init);
55