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Diffstat (limited to 'arch/mips/mips-boards/generic/display.c')
-rw-r--r--arch/mips/mips-boards/generic/display.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/mips/mips-boards/generic/display.c b/arch/mips/mips-boards/generic/display.c
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+++ b/arch/mips/mips-boards/generic/display.c
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+/*
+ * 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.
+ *
+ * Display routines for display messages in MIPS boards ascii display.
+ */
+
+#include <linux/compiler.h>
+#include <asm/io.h>
+#include <asm/mips-boards/generic.h>
+
+void mips_display_message(const char *str)
+{
+ static volatile unsigned int *display = NULL;
+ int i;
+
+ if (unlikely(display == NULL))
+ display = (volatile unsigned int *)ioremap(ASCII_DISPLAY_POS_BASE, 16*sizeof(int));
+
+ for (i = 0; i <= 14; i=i+2) {
+ if (*str)
+ display[i] = *str++;
+ else
+ display[i] = ' ';
+ }
+}