patch-2.4.20 linux-2.4.20/arch/mips/sgi-ip27/ip27-console.c

• Lines: 59
• Date: Thu Nov 28 15:53:10 2002
• Orig file: linux-2.4.19/arch/mips/sgi-ip27/ip27-console.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/arch/mips/sgi-ip27/ip27-console.c linux-2.4.20/arch/mips/sgi-ip27/ip27-console.c
@@ -0,0 +1,58 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 Ralf Baechle
+ */
+#include <linux/init.h>
+#include <linux/console.h>
+#include <linux/kdev_t.h>
+#include <linux/major.h>
+#include <asm/sn/addrs.h>
+#include <asm/sn/sn0/hub.h>
+#include <asm/sn/klconfig.h>
+#include <asm/sn/ioc3.h>
+#include <asm/sn/sn_private.h>
+
+void prom_putchar(char c)
+{
+	struct ioc3 *ioc3;
+	struct ioc3_uartregs *uart;
+
+	ioc3 = (struct ioc3 *)KL_CONFIG_CH_CONS_INFO(master_nasid)->memory_base;
+	uart = &ioc3->sregs.uarta;
+
+	while ((uart->iu_lsr & 0x20) == 0);
+	uart->iu_thr = c;
+}
+
+char __init prom_getchar(void)
+{
+	return 0;
+}
+
+static void
+ip27prom_console_write(struct console *con, const char *s, unsigned n)
+{
+	prom_printf("%s", s);
+}
+
+static kdev_t
+ip27prom_console_dev(struct console *c)
+{
+	return MKDEV(TTY_MAJOR, 64 + c->index);
+}
+
+static struct console ip27_prom_console = {
+    name:	"prom",
+    write:	ip27prom_console_write,
+    device:	ip27prom_console_dev,
+    flags:	CON_PRINTBUFFER,
+    index:	-1,
+};
+
+__init void ip27_setup_console(void)
+{
+	register_console(&ip27_prom_console);
+}