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-rw-r--r--arch/mips/emma/markeins/led.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/mips/emma/markeins/led.c b/arch/mips/emma/markeins/led.c
new file mode 100644
index 000000000..497558968
--- /dev/null
+++ b/arch/mips/emma/markeins/led.c
@@ -0,0 +1,57 @@
+/*
+ * 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/emma/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);
+}