[U-Boot] [PATCH 5/8] ZOOM2 Add led support.

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Thu Apr 2 07:30:04 CEST 2009


On 22:02 Wed 01 Apr     , Tom Rix wrote:
> This patch controls the large LED on the top left of the zoom2.
> 
> Signed-off-by: Tom Rix <Tom.Rix at windriver.com>
> ---
>  board/omap3/zoom2/Makefile |    4 ++-
>  board/omap3/zoom2/led.c    |   66 ++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 69 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..64c3f94
> --- /dev/null
> +++ b/board/omap3/zoom2/led.c
> @@ -0,0 +1,66 @@
> +/*
> + * (C) Copyright 2009
> + * Wind River, <www.windriver.com>
> + * Tom Rix <Tom.Rix at 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)
why not using the arm led API??
> +{
> +	gpio_t *gpio6_base = (gpio_t *) OMAP34XX_GPIO6_BASE;
> +
> +	sr32 (&gpio6_base->cleardataout, 13, 1, 1);	/* red off */
we clearly need now a GPIO API it's start to be mandatory

Best Regards,
J.


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