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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 560b91cdd15c..9048c0326d87 100644
--- a/arch/sh/kernel/early_printk.c
+++ b/arch/sh/kernel/early_printk.c
@@ -106,12 +106,32 @@ static struct console scif_console = {
106}; 106};
107 107
108#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_STANDARD_BIOS) 108#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_STANDARD_BIOS)
109#define DEFAULT_BAUD 115200
109/* 110/*
110 * Simple SCIF init, primarily aimed at SH7750 and other similar SH-4 111 * Simple SCIF init, primarily aimed at SH7750 and other similar SH-4
111 * devices that aren't using sh-ipl+g. 112 * devices that aren't using sh-ipl+g.
112 */ 113 */
113static void scif_sercon_init(int baud) 114static void scif_sercon_init(char *s)
114{ 115{
116 unsigned baud = DEFAULT_BAUD;
117 char *e;
118
119 if (*s == ',')
120 ++s;
121
122 if (*s) {
123 /* ignore ioport/device name */
124 s += strcspn(s, ",");
125 if (*s == ',')
126 s++;
127 }
128
129 if (*s) {
130 baud = simple_strtoul(s, &e, 0);
131 if (baud == 0 || s == e)
132 baud = DEFAULT_BAUD;
133 }
134
115 ctrl_outw(0, scif_port.mapbase + 8); 135 ctrl_outw(0, scif_port.mapbase + 8);
116 ctrl_outw(0, scif_port.mapbase); 136 ctrl_outw(0, scif_port.mapbase);
117 137
@@ -167,7 +187,7 @@ int __init setup_early_printk(char *buf)
167 early_console = &scif_console; 187 early_console = &scif_console;
168 188
169#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_STANDARD_BIOS) 189#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_STANDARD_BIOS)
170 scif_sercon_init(115200); 190 scif_sercon_init(buf + 6);
171#endif 191#endif
172 } 192 }
173#endif 193#endif