patch-2.4.22 linux-2.4.22/arch/mips/gt64120/ev64120/promcon.c

• Lines: 59
• Date: 2003-08-25 04:44:40.000000000 -0700
• Orig file: linux-2.4.21/arch/mips/gt64120/ev64120/promcon.c
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/arch/mips/gt64120/ev64120/promcon.c linux-2.4.22/arch/mips/gt64120/ev64120/promcon.c
@@ -0,0 +1,58 @@
+/*
+ * 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/major.h>
+#include <linux/ptrace.h>
+#include <linux/init.h>
+#include <linux/console.h>
+#include <linux/fs.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 kdev_t prom_console_device(struct console *c)
+{
+	return MKDEV(TTY_MAJOR, 64 + c->index);
+}
+
+static struct console sercons = {
+    .name	= "ttyS",
+    .write	= prom_console_write,
+    .device	= prom_console_device,
+    .flags	= CON_PRINTBUFFER,
+    .index	= -1,
+};
+
+/*
+ *    Register console.
+ */
+
+void gal_serial_console_init(void)
+{
+	//  serial_init();
+	//serial_set(115200);
+
+	register_console(&sercons);
+}