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Diffstat (limited to 'arch/mips/mips-boards/generic/display.c')
| -rw-r--r-- | arch/mips/mips-boards/generic/display.c | 39 |
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 new file mode 100644 index 000000000000..f653946afc23 --- /dev/null +++ b/arch/mips/mips-boards/generic/display.c @@ -0,0 +1,39 @@ +/* + * 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] = ' '; + } +} |