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OMAP3: CM-T35: enable the green LED

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Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Igor Grinberg 2011-04-18 17:54:33 -04:00 committed by Albert ARIBAUD
parent afff1fc079
commit 2b8754b25f
4 changed files with 67 additions and 2 deletions
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2
board/cm_t35/Makefile
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@ -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))

7
board/cm_t35/cm_t35.c
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@ -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*/

45
board/cm_t35/leds.c Normal file
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@ -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]));
}

15
include/configs/cm_t35.h
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@ -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 */