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authorKeith M Wesolowski <wesolows@foobazco.org>2000-08-01 04:24:49 +0000
committerKeith M Wesolowski <wesolows@foobazco.org>2000-08-01 04:24:49 +0000
commitf7bbf9552e93a3fa9e5aa7c5cfed458b77b37695 (patch)
tree137da613a3a73d0c311fbcc3210f51c6f15c1ae4 /arch/mips/arc/arc_con.c
parent7f78cc6fbe77afbbd4c84f2c8fab9c92f58b1976 (diff)
ARC console is not just for IP22.
Timer dead code cleanup.
Diffstat (limited to 'arch/mips/arc/arc_con.c')
-rw-r--r--arch/mips/arc/arc_con.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/mips/arc/arc_con.c b/arch/mips/arc/arc_con.c
new file mode 100644
index 000000000..6fe94a6c7
--- /dev/null
+++ b/arch/mips/arc/arc_con.c
@@ -0,0 +1,69 @@
+/*
+ * Wrap-around code for a console using the
+ * ARC io-routines.
+ *
+ * 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>
+
+extern char prom_getchar (void);
+extern void prom_printf (char *, ...);
+
+static void prom_console_write(struct console *co, const char *s,
+ unsigned count)
+{
+ unsigned i;
+
+ /*
+ * Now, do each character
+ */
+ for (i = 0; i < count; i++) {
+ if (*s == 10)
+ prom_printf("%c", 13);
+ prom_printf("%c", *s++);
+ }
+}
+
+static int prom_console_wait_key(struct console *co)
+{
+ return prom_getchar();
+}
+
+static int __init prom_console_setup(struct console *co, char *options)
+{
+ return 0;
+}
+
+static kdev_t prom_console_device(struct console *c)
+{
+ return MKDEV(TTY_MAJOR, 64 + c->index);
+}
+
+static struct console arc_cons = {
+ "ttyS",
+ prom_console_write,
+ NULL,
+ prom_console_device,
+ prom_console_wait_key,
+ NULL,
+ prom_console_setup,
+ CON_PRINTBUFFER,
+ -1,
+ 0,
+ NULL
+};
+
+/*
+ * Register console.
+ */
+
+void __init arc_console_init(void)
+{
+ register_console(&arc_cons);
+}