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-rw-r--r--arch/mips/gt64120/ev64120/promcon.c53
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);