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authorRalf Baechle <ralf@linux-mips.org>2008-07-15 18:44:34 +0100
committerRalf Baechle <ralf@linux-mips.org>2008-07-15 18:44:34 +0100
commit315806cb19f9d375dccbc2d60fa14e16afdcd5ac (patch)
treeeffe89f2f8d49bf62018ad5717a0d7c8c5725277 /arch/mips/mti-malta/malta-console.c
parenteda49eeebf263f3a34f6968959fc2e4825b42beb (diff)
downloadlinux-315806cb19f9d375dccbc2d60fa14e16afdcd5ac.tar.bz2
[MIPS] Malta: Cleanup organization of code into directories.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mti-malta/malta-console.c')
-rw-r--r--arch/mips/mti-malta/malta-console.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/mips/mti-malta/malta-console.c b/arch/mips/mti-malta/malta-console.c
new file mode 100644
index 000000000000..43bcfb4f8167
--- /dev/null
+++ b/arch/mips/mti-malta/malta-console.c
@@ -0,0 +1,47 @@
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Putting things on the screen/serial line using YAMONs facilities.
+ */
+#include <linux/console.h>
+#include <linux/init.h>
+#include <linux/serial_reg.h>
+#include <asm/io.h>
+
+
+#define PORT(offset) (0x3f8 + (offset))
+
+
+static inline unsigned int serial_in(int offset)
+{
+ return inb(PORT(offset));
+}
+
+static inline void serial_out(int offset, int value)
+{
+ outb(value, PORT(offset));
+}
+
+int prom_putchar(char c)
+{
+ while ((serial_in(UART_LSR) & UART_LSR_THRE) == 0)
+ ;
+
+ serial_out(UART_TX, c);
+
+ return 1;
+}