diff options
Diffstat (limited to 'recipes/u-boot/u-boot-git/beagleboard/0012-BeagleBoard-Added-LED-driver.patch')
| -rw-r--r-- | recipes/u-boot/u-boot-git/beagleboard/0012-BeagleBoard-Added-LED-driver.patch | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/recipes/u-boot/u-boot-git/beagleboard/0012-BeagleBoard-Added-LED-driver.patch b/recipes/u-boot/u-boot-git/beagleboard/0012-BeagleBoard-Added-LED-driver.patch new file mode 100644 index 0000000000..01897aff26 --- /dev/null +++ b/recipes/u-boot/u-boot-git/beagleboard/0012-BeagleBoard-Added-LED-driver.patch @@ -0,0 +1,160 @@ +From 35271d72072841c16687ffd51f08ec65cdac3b3e Mon Sep 17 00:00:00 2001 +From: Jason Kridner <jkridner@beagleboard.org> +Date: Thu, 20 May 2010 06:14:01 -0500 +Subject: [PATCH 12/16] BeagleBoard: Added LED driver + +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. + +v2 updates + * Fixed USR0/USR1 to be LED 0/1 respectively +--- + board/ti/beagle/Makefile | 4 ++- + board/ti/beagle/beagle.c | 7 ++++ + board/ti/beagle/led.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 101 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 7c80a97..905b151 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> +@@ -80,6 +83,10 @@ 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..fe80e19 +--- /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 150 ++#define BEAGLE_LED_USR1 149 ++ ++#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 ++} ++ +-- +1.6.6.1 + |