1 files changed, 53 insertions, 0 deletions

diff --git a/arch/mips/gt64120/ev64120/promcon.c b/arch/mips/gt64120/ev64120/promcon.c
new file mode 100644
index 000000000000..b5937c4ba7db
--- /dev/null
+++ b/arch/mips/gt64120/ev64120/promcon.c
@@ -0,0 +1,53 @@
+/*
+ * Wrap-around code for a console using the
+ * SGI PROM io-routines.
+ *
+ * Copyright (c) 1999 Ulf Carlsson
+ *
+ * Derived from DECstation promcon.c
+ * Copyright (c) 1998 Harald Koerfgen
+ */
+#include <linux/tty.h>
+#include <linux/init.h>
+#include <linux/console.h>
+
+static void prom_console_write(struct console *co, const char *s,
+                               unsigned count)
+{
+        extern int CONSOLE_CHANNEL;     // The default serial port
+        unsigned i;
+
+        for (i = 0; i < count; i++) {
+                if (*s == 10)
+                        serial_putc(CONSOLE_CHANNEL, 13);
+                serial_putc(CONSOLE_CHANNEL, *s++);
+        }
+}
+
+int prom_getchar(void)
+{
+        return 0;
+}
+
+static struct console sercons = {
+    .name       = "ttyS",
+    .write      = prom_console_write,
+    .flags      = CON_PRINTBUFFER,
+    .index      = -1,
+};
+
+/*
+ *    Register console.
+ */
+
+static int gal_serial_console_init(void)
+{
+        //  serial_init();
+        //serial_set(115200);
+
+        register_console(&sercons);
+
+        return 0;
+}
+
+console_initcall(gal_serial_console_init);