This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / mips / emma2rh / markeins / led.c

diff --git a/arch/mips/emma2rh/markeins/led.c b/arch/mips/emma2rh/markeins/led.c
new file mode 100644 (file)
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--- /dev/null
+++ b/arch/mips/emma2rh/markeins/led.c
@@ -0,0 +1,60 @@
+/*
+ *  arch/mips/emma2rh/markeins/led.c
+ *      This file defines the led display for Mark-eins.
+ *
+ *  Copyright (C) NEC Electronics Corporation 2004-2006
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that 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
+ */
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <asm/emma2rh/emma2rh.h>
+
+const unsigned long clear = 0x20202020;
+
+#define LED_BASE 0xb1400038
+
+void markeins_led_clear(void)
+{
+       emma2rh_out32(LED_BASE, clear);
+       emma2rh_out32(LED_BASE + 4, clear);
+}
+
+void markeins_led(const char *str)
+{
+       int i;
+       int len = strlen(str);
+
+       markeins_led_clear();
+       if (len > 8)
+               len = 8;
+
+       if (emma2rh_in32(0xb0000800) & (0x1 << 18))
+               for (i = 0; i < len; i++)
+                       emma2rh_out8(LED_BASE + i, str[i]);
+       else
+               for (i = 0; i < len; i++)
+                       emma2rh_out8(LED_BASE + (i & 4) + (3 - (i & 3)),
+                                    str[i]);
+}
+
+void markeins_led_hex(u32 val)
+{
+       char str[10];
+
+       sprintf(str, "%08x", val);
+       markeins_led(str);
+}