Ths patch adds status led driver based on gpio interface.
The STATUS_LED_BIT specifies the gpio pin number.
Signed-off-by: Thomas Chou <tho...@wytron.com.tw>
---
board/altera/common/gpioled.c | 31 +++++++++++++++++++++++++++++++
1 files changed, 31 insertions(+), 0 deletions(-)
create mode 100644 board/altera/common/gpioled.c
diff --git a/board/altera/common/gpioled.c b/board/altera/common/gpioled.c
new file mode 100644
index 0000000..13e0032
--- /dev/null
+++ b/board/altera/common/gpioled.c
@@ -0,0 +1,31 @@
+/*
+ * LED driver based on gpio
+ *
+ * Copyright (C) 2010 Thomas Chou <tho...@wytron.com.tw>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <common.h>
+#include <status_led.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+
+/* assume led is active low */
+
+void __led_init(led_id_t mask, int state)
+{
+ gpio_direction_output(mask, (state == STATUS_LED_ON) ? 0 : 1);
+}
+
+void __led_set(led_id_t mask, int state)
+{
+ gpio_set_value(mask, (state == STATUS_LED_ON) ? 0 : 1);
+}
+
+void __led_toggle(led_id_t mask)
+{
+ gpio_set_value(mask, !gpio_get_value(mask));
+}
--
1.6.6.1
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