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authorJeff Garzik <jeff@garzik.org>2007-02-17 15:11:43 -0500
committerJeff Garzik <jeff@garzik.org>2007-02-17 15:11:43 -0500
commitf630fe2817601314b2eb7ca5ddc23c7834646731 (patch)
tree3bfb4939b7bbc3859575ca8b58fa3f929b015941 /arch/sh/kernel/early_printk.c
parent48c871c1f6a7c7044dd76774fb469e65c7e2e4e8 (diff)
parent8a03d9a498eaf02c8a118752050a5154852c13bf (diff)
Merge branch 'master' into upstream
Diffstat (limited to 'arch/sh/kernel/early_printk.c')
-rw-r--r--arch/sh/kernel/early_printk.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c
index 560b91cdd15..9048c0326d8 100644
--- a/arch/sh/kernel/early_printk.c
+++ b/arch/sh/kernel/early_printk.c
@@ -106,12 +106,32 @@ static struct console scif_console = {
};
#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_STANDARD_BIOS)
+#define DEFAULT_BAUD 115200
/*
* Simple SCIF init, primarily aimed at SH7750 and other similar SH-4
* devices that aren't using sh-ipl+g.
*/
-static void scif_sercon_init(int baud)
+static void scif_sercon_init(char *s)
{
+ unsigned baud = DEFAULT_BAUD;
+ char *e;
+
+ if (*s == ',')
+ ++s;
+
+ if (*s) {
+ /* ignore ioport/device name */
+ s += strcspn(s, ",");
+ if (*s == ',')
+ s++;
+ }
+
+ if (*s) {
+ baud = simple_strtoul(s, &e, 0);
+ if (baud == 0 || s == e)
+ baud = DEFAULT_BAUD;
+ }
+
ctrl_outw(0, scif_port.mapbase + 8);
ctrl_outw(0, scif_port.mapbase);
@@ -167,7 +187,7 @@ int __init setup_early_printk(char *buf)
early_console = &scif_console;
#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_STANDARD_BIOS)
- scif_sercon_init(115200);
+ scif_sercon_init(buf + 6);
#endif
}
#endif