Signed-off-by: Igor Grinberg grinberg@compulab.co.il --- board/cm_t35/Makefile | 2 +- board/cm_t35/cm_t35.c | 7 ++++++- board/cm_t35/leds.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ include/configs/cm_t35.h | 15 +++++++++++++++ 4 files changed, 67 insertions(+), 2 deletions(-) create mode 100644 board/cm_t35/leds.c
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 */