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-rw-r--r--arch/sh/kernel/early_printk.c85
1 files changed, 0 insertions, 85 deletions
diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c
deleted file mode 100644
index f8bb50c6e050..000000000000
--- a/arch/sh/kernel/early_printk.c
+++ /dev/null
@@ -1,85 +0,0 @@
1/*
2 * arch/sh/kernel/early_printk.c
3 *
4 * Copyright (C) 1999, 2000 Niibe Yutaka
5 * Copyright (C) 2002 M. R. Brown
6 * Copyright (C) 2004 - 2007 Paul Mundt
7 *
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License. See the file "COPYING" in the main directory of this archive
10 * for more details.
11 */
12#include <linux/console.h>
13#include <linux/tty.h>
14#include <linux/init.h>
15#include <linux/io.h>
16#include <linux/delay.h>
17
18#include <asm/sh_bios.h>
19
20/*
21 * Print a string through the BIOS
22 */
23static void sh_console_write(struct console *co, const char *s,
24 unsigned count)
25{
26 sh_bios_console_write(s, count);
27}
28
29/*
30 * Setup initial baud/bits/parity. We do two things here:
31 * - construct a cflag setting for the first rs_open()
32 * - initialize the serial port
33 * Return non-zero if we didn't find a serial port.
34 */
35static int __init sh_console_setup(struct console *co, char *options)
36{
37 int cflag = CREAD | HUPCL | CLOCAL;
38
39 /*
40 * Now construct a cflag setting.
41 * TODO: this is a totally bogus cflag, as we have
42 * no idea what serial settings the BIOS is using, or
43 * even if its using the serial port at all.
44 */
45 cflag |= B115200 | CS8 | /*no parity*/0;
46
47 co->cflag = cflag;
48
49 return 0;
50}
51
52static struct console bios_console = {
53 .name = "bios",
54 .write = sh_console_write,
55 .setup = sh_console_setup,
56 .flags = CON_PRINTBUFFER,
57 .index = -1,
58};
59
60static struct console *early_console;
61
62static int __init setup_early_printk(char *buf)
63{
64 int keep_early = 0;
65
66 if (!buf)
67 return 0;
68
69 if (strstr(buf, "keep"))
70 keep_early = 1;
71
72 if (!strncmp(buf, "bios", 4))
73 early_console = &bios_console;
74
75 if (likely(early_console)) {
76 if (keep_early)
77 early_console->flags &= ~CON_BOOT;
78 else
79 early_console->flags |= CON_BOOT;
80 register_console(early_console);
81 }
82
83 return 0;
84}
85early_param("earlyprintk", setup_early_printk);