summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorIgor Grinberg <grinberg@compulab.co.il>2011-04-18 17:54:33 -0400
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-04-27 19:38:07 +0200
commit2b8754b25ff8134d8db18f6d4d28d41a5e1b36e6 (patch)
tree5621227709b80e080620531792ec1833c62288fe
parentafff1fc07996cec1d0a2e34e13f9c06784e26ce7 (diff)
downloadu-boot-imx-2b8754b25ff8134d8db18f6d4d28d41a5e1b36e6.zip
u-boot-imx-2b8754b25ff8134d8db18f6d4d28d41a5e1b36e6.tar.gz
u-boot-imx-2b8754b25ff8134d8db18f6d4d28d41a5e1b36e6.tar.bz2
OMAP3: CM-T35: enable the green LED
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
-rw-r--r--board/cm_t35/Makefile2
-rw-r--r--board/cm_t35/cm_t35.c7
-rw-r--r--board/cm_t35/leds.c45
-rw-r--r--include/configs/cm_t35.h15
4 files changed, 67 insertions, 2 deletions
diff --git a/board/cm_t35/Makefile b/board/cm_t35/Makefile
index 862b8dc..83d7a56 100644
--- a/board/cm_t35/Makefile
+++ b/board/cm_t35/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
-COBJS := cm_t35.o
+COBJS := cm_t35.o leds.o
SRCS := $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
diff --git a/board/cm_t35/cm_t35.c b/board/cm_t35/cm_t35.c
index bf54061..cfdc4df 100644
--- a/board/cm_t35/cm_t35.c
+++ b/board/cm_t35/cm_t35.c
@@ -29,6 +29,7 @@
*/
#include <common.h>
+#include <status_led.h>
#include <netdev.h>
#include <net.h>
#include <i2c.h>
@@ -85,6 +86,10 @@ int board_init(void)
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
+#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
+ status_led_set(STATUS_LED_BOOT, STATUS_LED_ON);
+#endif
+
return 0;
}
@@ -249,7 +254,7 @@ void set_muxconf_regs(void)
MUX_VAL(CP(SYS_NIRQ), (IEN | PTU | EN | M0)); /*SYS_nIRQ*/
MUX_VAL(CP(SYS_OFF_MODE), (IEN | PTD | DIS | M0)); /*OFF_MODE*/
MUX_VAL(CP(SYS_CLKOUT1), (IEN | PTD | DIS | M0)); /*CLKOUT1*/
- MUX_VAL(CP(SYS_CLKOUT2), (IDIS | PTD | DIS | M4)); /*green LED*/
+ MUX_VAL(CP(SYS_CLKOUT2), (IDIS | PTU | DIS | M4)); /*green LED*/
MUX_VAL(CP(JTAG_nTRST), (IEN | PTD | DIS | M0)); /*JTAG_nTRST*/
MUX_VAL(CP(JTAG_TCK), (IEN | PTD | DIS | M0)); /*JTAG_TCK*/
MUX_VAL(CP(JTAG_TMS), (IEN | PTD | DIS | M0)); /*JTAG_TMS*/
diff --git a/board/cm_t35/leds.c b/board/cm_t35/leds.c
new file mode 100644
index 0000000..71c5b0d
--- /dev/null
+++ b/board/cm_t35/leds.c
@@ -0,0 +1,45 @@
+/*
+ * (C) Copyright 2011
+ * CompuLab, Ltd. <www.compulab.co.il>
+ *
+ * Author: Igor Grinberg <grinberg@compulab.co.il>
+ *
+ * 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.
+ */
+#include <common.h>
+#include <status_led.h>
+#include <asm/arch/gpio.h>
+
+static unsigned int leds[] = { GREEN_LED_GPIO };
+
+void __led_init(led_id_t mask, int state)
+{
+ if (omap_request_gpio(leds[mask]) != 0) {
+ printf("%s: failed requesting GPIO%u\n", __func__, leds[mask]);
+ return;
+ }
+
+ omap_set_gpio_direction(leds[mask], 0);
+}
+
+void __led_set(led_id_t mask, int state)
+{
+ omap_set_gpio_dataout(leds[mask], state == STATUS_LED_ON);
+}
+
+void __led_toggle(led_id_t mask)
+{
+ omap_set_gpio_dataout(leds[mask], !omap_get_gpio_datain(leds[mask]));
+}
diff --git a/include/configs/cm_t35.h b/include/configs/cm_t35.h
index 3692810..c259640 100644
--- a/include/configs/cm_t35.h
+++ b/include/configs/cm_t35.h
@@ -351,4 +351,19 @@ extern unsigned int boot_flash_type;
CONFIG_SYS_INIT_RAM_SIZE - \
GENERATED_GBL_DATA_SIZE)
+/* Status LED */
+#define CONFIG_STATUS_LED 1 /* Status LED enabled */
+#define CONFIG_BOARD_SPECIFIC_LED 1
+#define STATUS_LED_GREEN 0
+#define STATUS_LED_BIT STATUS_LED_GREEN
+#define STATUS_LED_STATE STATUS_LED_ON
+#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
+#define STATUS_LED_BOOT STATUS_LED_BIT
+#define GREEN_LED_GPIO 186 /* CM-T35 Green LED is GPIO186 */
+
+/* GPIO banks */
+#ifdef CONFIG_STATUS_LED
+#define CONFIG_OMAP3_GPIO_6 1 /* GPIO186 is in GPIO bank 6 */
+#endif
+
#endif /* __CONFIG_H */