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authorwdenk <wdenk>2004-10-10 21:27:30 +0000
committerwdenk <wdenk>2004-10-10 21:27:30 +0000
commit5c952cf0245421feb4644f2e71487c0b2e1dbd13 (patch)
tree47b80e839d339fe11dabd01ec8c89b46b791f797 /board/psyent/pk1c20/led.c
parent03f5c55021c2d6297e66cc11bfea75f149a5d71c (diff)
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Patches by Scott McNutt, 24 Aug 2004:
- Add support for Altera Nios-II processors. - Add support for Psyent PCI-5441 board. - Add support for Psyent PK1C20 board.
Diffstat (limited to 'board/psyent/pk1c20/led.c')
-rw-r--r--board/psyent/pk1c20/led.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/board/psyent/pk1c20/led.c b/board/psyent/pk1c20/led.c
new file mode 100644
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--- /dev/null
+++ b/board/psyent/pk1c20/led.c
@@ -0,0 +1,62 @@
+/*
+ * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
+ * Scott McNutt <smcnutt@psyent.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 <common.h>
+#include <nios2.h>
+#include <nios2-io.h>
+#include <status_led.h>
+
+/* The LED port is configured as output only, so we
+ * must track the state manually.
+ */
+static led_id_t val = 0;
+
+void __led_init (led_id_t mask, int state)
+{
+ nios_pio_t *pio = (nios_pio_t *)CACHE_BYPASS(CFG_LEDPIO_ADDR);
+
+ if (state == STATUS_LED_ON)
+ val &= ~mask;
+ else
+ val |= mask;
+ pio->data = val;
+}
+
+void __led_set (led_id_t mask, int state)
+{
+ nios_pio_t *pio = (nios_pio_t *)CACHE_BYPASS(CFG_LEDPIO_ADDR);
+
+ if (state == STATUS_LED_ON)
+ val &= ~mask;
+ else
+ val |= mask;
+ pio->data = val;
+}
+
+void __led_toggle (led_id_t mask)
+{
+ nios_pio_t *pio = (nios_pio_t *)CACHE_BYPASS(CFG_LEDPIO_ADDR);
+
+ val ^= mask;
+ pio->data = val;
+}