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 | 8 ++- board/omap3/zoom2/led.c | 129 +++++++++++++++++++++++++++++++++++++++++ board/omap3/zoom2/zoom2.c | 4 +- include/configs/omap3_zoom2.h | 16 +++++ 4 files changed, 153 insertions(+), 4 deletions(-) create mode 100644 board/omap3/zoom2/led.c
diff --git a/board/omap3/zoom2/Makefile b/board/omap3/zoom2/Makefile index d27990c..2feafbe 100644 --- a/board/omap3/zoom2/Makefile +++ b/board/omap3/zoom2/Makefile @@ -25,10 +25,12 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
-COBJS := zoom2.o \ - debug_board.o \ - zoom2_serial.o +COBJS-y := $(BOARD).o +COBJS-y += debug_board.o +COBJS-y += zoom2_serial.o +COBJS-$(CONFIG_STATUS_LED) += led.o
+COBJS := $(sort $(COBJS-y)) SRCS := $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS))
diff --git a/board/omap3/zoom2/led.c b/board/omap3/zoom2/led.c new file mode 100644 index 0000000..4e14c58 --- /dev/null +++ b/board/omap3/zoom2/led.c @@ -0,0 +1,129 @@ +/* + * Copyright (c) 2009 Wind River Systems, Inc. + * 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 <status_led.h> +#include <asm/arch/cpu.h> +#include <asm/io.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/gpio.h> + +static unsigned int saved_state[2] = {STATUS_LED_OFF, STATUS_LED_OFF}; + +/* + * GPIO LEDs + * 173 red + * 154 blue + * 61 blue2 + */ +#define ZOOM2_LED_RED 173 +#define ZOOM2_LED_BLUE 154 +#define ZOOM2_LED_BLUE2 61 + +void red_LED_off (void) +{ + /* red */ + if (!omap_request_gpio(ZOOM2_LED_RED)) { + omap_set_gpio_direction(ZOOM2_LED_RED, 0); + omap_set_gpio_dataout(ZOOM2_LED_RED, 0); + } + saved_state[STATUS_LED_RED] = STATUS_LED_OFF; +} + +void blue_LED_off (void) +{ + /* blue */ + if (!omap_request_gpio(ZOOM2_LED_BLUE)) { + omap_set_gpio_direction(ZOOM2_LED_BLUE, 0); + omap_set_gpio_dataout(ZOOM2_LED_BLUE, 0); + } + + /* blue 2 */ + if (!omap_request_gpio(ZOOM2_LED_BLUE2)) { + omap_set_gpio_direction(ZOOM2_LED_BLUE2, 0); + omap_set_gpio_dataout(ZOOM2_LED_BLUE2, 0); + } + saved_state[STATUS_LED_BLUE] = STATUS_LED_OFF; +} + +void red_LED_on (void) +{ + blue_LED_off (); + + /* red */ + if (!omap_request_gpio(ZOOM2_LED_RED)) { + omap_set_gpio_direction(ZOOM2_LED_RED, 0); + omap_set_gpio_dataout(ZOOM2_LED_RED, 1); + } + saved_state[STATUS_LED_RED] = STATUS_LED_ON; +} + +void blue_LED_on (void) +{ + red_LED_off (); + + /* blue */ + if (!omap_request_gpio(ZOOM2_LED_BLUE)) { + omap_set_gpio_direction(ZOOM2_LED_BLUE, 0); + omap_set_gpio_dataout(ZOOM2_LED_BLUE, 1); + } + + /* blue 2 */ + if (!omap_request_gpio(ZOOM2_LED_BLUE2)) { + omap_set_gpio_direction(ZOOM2_LED_BLUE2, 0); + omap_set_gpio_dataout(ZOOM2_LED_BLUE2, 1); + } + + saved_state[STATUS_LED_BLUE] = STATUS_LED_ON; +} + +void __led_init (led_id_t mask, int state) +{ + __led_set (mask, state); +} + +void __led_toggle (led_id_t mask) +{ + if (STATUS_LED_BLUE == mask) { + if (STATUS_LED_ON == saved_state[STATUS_LED_BLUE]) + blue_LED_off (); + else + blue_LED_on (); + } else if (STATUS_LED_RED == mask) { + if (STATUS_LED_ON == saved_state[STATUS_LED_RED]) + red_LED_off (); + else + red_LED_on (); + } +} + +void __led_set (led_id_t mask, int state) +{ + if (STATUS_LED_BLUE == mask) { + if (STATUS_LED_ON == state) + blue_LED_on (); + else + blue_LED_off (); + } else if (STATUS_LED_RED == mask) { + if (STATUS_LED_ON == state) + red_LED_on (); + else + red_LED_off (); + } +} diff --git a/board/omap3/zoom2/zoom2.c b/board/omap3/zoom2/zoom2.c index 83e02f6..e5c248d 100644 --- a/board/omap3/zoom2/zoom2.c +++ b/board/omap3/zoom2/zoom2.c @@ -29,6 +29,9 @@ * MA 02111-1307 USA */ #include <common.h> +#ifdef CONFIG_STATUS_LED +#include <status_led.h> +#endif #include <asm/io.h> #include <asm/arch/mem.h> #include <asm/arch/mux.h> @@ -86,7 +89,6 @@ int board_init (void) #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) status_led_set (STATUS_LED_BOOT, STATUS_LED_ON); #endif - return 0; }
diff --git a/include/configs/omap3_zoom2.h b/include/configs/omap3_zoom2.h index db35d70..e257419 100644 --- a/include/configs/omap3_zoom2.h +++ b/include/configs/omap3_zoom2.h @@ -99,6 +99,22 @@ #define CONFIG_OMAP3_MMC 1 #define CONFIG_DOS_PARTITION 1
+/* Status LED */ +#define CONFIG_STATUS_LED 1 /* Status LED enabled */ +#define CONFIG_BOARD_SPECIFIC_LED 1 +#define STATUS_LED_BLUE 0 +#define STATUS_LED_RED 1 +/* Blue */ +#define STATUS_LED_BIT STATUS_LED_BLUE +#define STATUS_LED_STATE STATUS_LED_ON +#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) +/* Red */ +#define STATUS_LED_BIT1 STATUS_LED_RED +#define STATUS_LED_STATE1 STATUS_LED_OFF +#define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2) +/* Optional value */ +#define STATUS_LED_BOOT STATUS_LED_BIT + /* commands to include */ #include <config_cmd_default.h>