Added LED driver using status_led. USR0 is set to monitor the boot status. USR1 is set to be the green LED.
Included adding configuration and command to the default configuration.
Signed-off-by: Jason Kridner jkridner@beagleboard.org --- board/ti/beagle/Makefile | 4 +- board/ti/beagle/beagle.c | 7 +++ board/ti/beagle/led.c | 91 ++++++++++++++++++++++++++++++++++++++++ include/configs/omap3_beagle.h | 13 ++++++ 4 files changed, 114 insertions(+), 1 deletions(-) create mode 100644 board/ti/beagle/led.c
diff --git a/board/ti/beagle/Makefile b/board/ti/beagle/Makefile index 3b4aaac..d9f445f 100644 --- a/board/ti/beagle/Makefile +++ b/board/ti/beagle/Makefile @@ -25,8 +25,10 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
-COBJS := beagle.o +COBJS-y := $(BOARD).o +COBJS-$(CONFIG_STATUS_LED) += led.o
+COBJS := $(sort $(COBJS-y)) SRCS := $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS))
diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c index 93c452e..dd7b6b5 100644 --- a/board/ti/beagle/beagle.c +++ b/board/ti/beagle/beagle.c @@ -30,6 +30,9 @@ * MA 02111-1307 USA */ #include <common.h> +#ifdef CONFIG_STATUS_LED +#include <status_led.h> +#endif #include <twl4030.h> #include <asm/io.h> #include <asm/arch/mmc_host_def.h> @@ -78,6 +81,10 @@ 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; }
diff --git a/board/ti/beagle/led.c b/board/ti/beagle/led.c new file mode 100644 index 0000000..df26552 --- /dev/null +++ b/board/ti/beagle/led.c @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2010 Texas Instruments, Inc. + * Jason Kridner jkridner@beagleboard.org + * + * 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 pins for the LEDs */ +#define BEAGLE_LED_USR0 149 +#define BEAGLE_LED_USR1 150 + +#ifdef STATUS_LED_GREEN +void green_LED_off (void) +{ + __led_set (STATUS_LED_GREEN, 0); +} + +void green_LED_on (void) +{ + __led_set (STATUS_LED_GREEN, 1); +} +#endif + +void __led_init (led_id_t mask, int state) +{ + __led_set (mask, state); +} + +void __led_toggle (led_id_t mask) +{ +#ifdef STATUS_LED_BIT + if (STATUS_LED_BIT & mask) { + if (STATUS_LED_ON == saved_state[0]) + __led_set(STATUS_LED_BIT, 0); + else + __led_set(STATUS_LED_BIT, 1); + } +#endif +#ifdef STATUS_LED_BIT1 + if (STATUS_LED_BIT1 & mask) { + if (STATUS_LED_ON == saved_state[1]) + __led_set(STATUS_LED_BIT1, 0); + else + __led_set(STATUS_LED_BIT1, 1); + } +#endif +} + +void __led_set (led_id_t mask, int state) +{ +#ifdef STATUS_LED_BIT + if (STATUS_LED_BIT & mask) { + if (!omap_request_gpio(BEAGLE_LED_USR0)) { + omap_set_gpio_direction(BEAGLE_LED_USR0, 0); + omap_set_gpio_dataout(BEAGLE_LED_USR0, state); + } + saved_state[0] = state; + } +#endif +#ifdef STATUS_LED_BIT1 + if (STATUS_LED_BIT1 & mask) { + if (!omap_request_gpio(BEAGLE_LED_USR1)) { + omap_set_gpio_direction(BEAGLE_LED_USR1, 0); + omap_set_gpio_dataout(BEAGLE_LED_USR1, state); + } + saved_state[1] = state; + } +#endif +} + diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h index 56363f7..6527cd9 100644 --- a/include/configs/omap3_beagle.h +++ b/include/configs/omap3_beagle.h @@ -108,6 +108,18 @@ #define CONFIG_OMAP_HSMMC 1 #define CONFIG_DOS_PARTITION 1
+/* Status LED */ +#define CONFIG_STATUS_LED 1 +#define CONFIG_BOARD_SPECIFIC_LED 1 +#define STATUS_LED_BIT 0x01 +#define STATUS_LED_STATE STATUS_LED_ON +#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) +#define STATUS_LED_BIT1 0x02 +#define STATUS_LED_STATE1 STATUS_LED_ON +#define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2) +#define STATUS_LED_BOOT STATUS_LED_BIT +#define STATUS_LED_GREEN STATUS_LED_BIT1 + /* DDR - I use Micron DDR */ #define CONFIG_OMAP3_MICRON_DDR 1
@@ -138,6 +150,7 @@ #define CONFIG_CMD_I2C /* I2C serial bus support */ #define CONFIG_CMD_MMC /* MMC support */ #define CONFIG_CMD_NAND /* NAND support */ +#define CONFIG_CMD_LED /* LED support */
#undef CONFIG_CMD_FLASH /* flinfo, erase, protect */ #undef CONFIG_CMD_FPGA /* FPGA configuration Support */