From 9f5c3d3720e777a572dcdc8af2008b44c7243885 Mon Sep 17 00:00:00 2001 From: Peter Pearse Date: Tue, 4 Sep 2007 16:18:38 +0100 Subject: Add coloured led interface for ARM boards. Use it in cpu/arm920t/start.S to indicate U-Boot code has been entered. --- board/at91rm9200dk/led.h | 45 --------------------------------------------- cpu/arm920t/start.S | 14 ++++++-------- include/asm-arm/led.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ lib_arm/board.c | 24 ++++++++++++++++++++++++ 4 files changed, 75 insertions(+), 53 deletions(-) delete mode 100644 board/at91rm9200dk/led.h mode change 100644 => 100755 cpu/arm920t/start.S create mode 100755 include/asm-arm/led.h mode change 100644 => 100755 lib_arm/board.c diff --git a/board/at91rm9200dk/led.h b/board/at91rm9200dk/led.h deleted file mode 100644 index 57c2b4a377..0000000000 --- a/board/at91rm9200dk/led.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - * (C) Copyright 2006 - * Atmel Nordic AB - * Ulf Samuelsson - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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 - */ - -#ifndef __LED_H -#define __LED_H - -#ifndef __ASSEMBLY__ -extern void LED_init (void); -extern void red_LED_on(void); -extern void red_LED_off(void); -extern void green_LED_on(void); -extern void green_LED_off(void); -extern void yellow_LED_on(void); -extern void yellow_LED_off(void); -#else - .extern LED_init - .extern red_LED_on - .extern red_LED_off - .extern yellow_LED_on - .extern yellow_LED_off - .extern green_LED_on - .extern green_LED_off -#endif -#endif diff --git a/cpu/arm920t/start.S b/cpu/arm920t/start.S old mode 100644 new mode 100755 index b9c364bc67..1bc6099b4e --- a/cpu/arm920t/start.S +++ b/cpu/arm920t/start.S @@ -27,9 +27,7 @@ #include #include -#if defined(CONFIG_AT91RM9200DK) || defined(CONFIG_AT91RM9200EK) || defined(CONFIG_AT91RM9200DF) -#include -#endif +#include /* ************************************************************************* @@ -117,13 +115,13 @@ reset: bic r0,r0,#0x1f orr r0,r0,#0xd3 msr cpsr,r0 - -#if CONFIG_AT91RM9200 -#if defined(CONFIG_AT91RM9200DK) || defined(CONFIG_AT91RM9200EK) || defined(CONFIG_AT91RM9200DF) - bl LED_init + /* + * if board has a red led use it to show U-Boot is running + */ + bl coloured_LED_init bl red_LED_on -#endif +#ifdef CONFIG_AT91RM9200 #ifdef CONFIG_BOOTBINFUNC /* code based on entry.S from ATMEL */ #define AT91C_BASE_CKGR 0xFFFFFC20 diff --git a/include/asm-arm/led.h b/include/asm-arm/led.h new file mode 100755 index 0000000000..f78a4b1004 --- /dev/null +++ b/include/asm-arm/led.h @@ -0,0 +1,45 @@ +/* + * (C) Copyright 2006 + * Atmel Nordic AB + * Ulf Samuelsson + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +#ifndef __LED_H +#define __LED_H + +#ifndef __ASSEMBLY__ +extern void coloured_LED_init (void); +extern void red_LED_on(void); +extern void red_LED_off(void); +extern void green_LED_on(void); +extern void green_LED_off(void); +extern void yellow_LED_on(void); +extern void yellow_LED_off(void); +#else + .extern LED_init + .extern red_LED_on + .extern red_LED_off + .extern yellow_LED_on + .extern yellow_LED_off + .extern green_LED_on + .extern green_LED_off +#endif +#endif diff --git a/lib_arm/board.c b/lib_arm/board.c old mode 100644 new mode 100755 index d37e5dab35..6b49925a59 --- a/lib_arm/board.c +++ b/lib_arm/board.c @@ -111,6 +111,30 @@ void *sbrk (ptrdiff_t increment) return ((void *) old); } +/************************************************************************ + * Coloured LED functionality + ************************************************************************ + * May be supplied by boards if desired + */ +void inline __coloured_LED_init (void) {} +void inline coloured_LED_init (void) __attribute__((weak, alias("__coloured_LED_init"))); +void inline __red_LED_on (void) {} +void inline red_LED_on (void) __attribute__((weak, alias("__red_LED_on"))); +void inline __red_LED_off(void) {} +void inline red_LED_off(void) __attribute__((weak, alias("__red_LED_off"))); +void inline __green_LED_on(void) {} +void inline green_LED_on(void) __attribute__((weak, alias("__green_LED_on"))); +void inline __green_LED_off(void) {} +void inline green_LED_off(void)__attribute__((weak, alias("__green_LED_off"))); +void inline __yellow_LED_on(void) {} +void inline yellow_LED_on(void)__attribute__((weak, alias("__yellow_LED_on"))); +void inline __yellow_LED_off(void) {} +void inline yellow_LED_off(void)__attribute__((weak, alias("__yellow_LED_off"))); + + + + + /************************************************************************ * Init Utilities * ************************************************************************ -- cgit v1.2.3