[U-Boot] [PATCH] ZOOM2 Add led support.

Tom Rix
2009-04-01T16:11:13Z

This patch controls the large LED on the top left of the zoom2.

Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
---
board/omap3/zoom2/Makefile | 4 ++-
board/omap3/zoom2/led.c | 65 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 68 insertions(+), 1 deletions(-)
create mode 100644 board/omap3/zoom2/led.c

diff --git a/board/omap3/zoom2/Makefile b/board/omap3/zoom2/Makefile
index d27990c..6c74217 100644
--- a/board/omap3/zoom2/Makefile
+++ b/board/omap3/zoom2/Makefile
@@ -25,8 +25,10 @@ include $(TOPDIR)/config.mk

LIB = $(obj)lib$(BOARD).a

-COBJS := zoom2.o \
+COBJS := \
debug_board.o \
+ led.o \
+ zoom2.o \
zoom2_serial.o

SRCS := $(COBJS:.o=.c)
diff --git a/board/omap3/zoom2/led.c b/board/omap3/zoom2/led.c
new file mode 100644
index 0000000..2946f2f
--- /dev/null
+++ b/board/omap3/zoom2/led.c
@@ -0,0 +1,65 @@
+/*
+ * (C) Copyright 2009
+ * Windriver, <www.windriver.com>
+ * Tom Rix <Tom.Rix@windriver.com>
+ *
+ * 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 <asm/arch/cpu.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+
+/* GPIO LEDs
+ 173 red , bank 6, index 13
+ 154 blue , bank 5, index 26
+ 61 blue2, bank 2, index 29 */
+
+void zoom2_led_red_off(void)
+{
+ gpio_t *gpio6_base = (gpio_t *)OMAP34XX_GPIO6_BASE;
+
+ sr32(&gpio6_base->cleardataout, 13, 1, 1); /* red off */
+}
+
+void zoom2_led_blue_off(void)
+{
+ gpio_t *gpio2_base = (gpio_t *)OMAP34XX_GPIO2_BASE;
+ gpio_t *gpio5_base = (gpio_t *)OMAP34XX_GPIO5_BASE;
+
+ sr32(&gpio5_base->cleardataout, 26, 1, 1); /* blue off */
+ sr32(&gpio2_base->cleardataout, 29, 1, 1); /* blue 2 off */
+}
+
+void zoom2_led_red_on(void)
+{
+ gpio_t *gpio6_base = (gpio_t *)OMAP34XX_GPIO6_BASE;
+
+ zoom2_led_blue_off();
+
+ sr32(&gpio6_base->setdataout, 13, 1, 1); /* red on */
+}
+
+void zoom2_led_blue_on(void)
+{
+ gpio_t *gpio2_base = (gpio_t *)OMAP34XX_GPIO2_BASE;
+ gpio_t *gpio5_base = (gpio_t *)OMAP34XX_GPIO5_BASE;
+
+ zoom2_led_red_off();
+
+ sr32(&gpio5_base->setdataout, 26, 1, 1); /* blue on */
+ sr32(&gpio2_base->setdataout, 29, 1, 1); /* blue 2 on */
+}
--
1.6.0.5