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| author | Peter Pearse <peter.pearse@arm.com> | 2007-09-04 16:18:38 +0100 |
|---|---|---|
| committer | Peter Pearse <peter.pearse@arm.com> | 2007-09-04 16:18:38 +0100 |
| commit | 9f5c3d3720e777a572dcdc8af2008b44c7243885 (patch) | |
| tree | caddb48ed91cab37e34baab6eac69dd8323861cf | |
| parent | 7462fe0d5a9d40cde083fb1a3cd73911996b5ecb (diff) | |
| download | u-boot-imx-9f5c3d3720e777a572dcdc8af2008b44c7243885.zip u-boot-imx-9f5c3d3720e777a572dcdc8af2008b44c7243885.tar.gz u-boot-imx-9f5c3d3720e777a572dcdc8af2008b44c7243885.tar.bz2 | |
Add coloured led interface for ARM boards.
Use it in cpu/arm920t/start.S to indicate U-Boot code has been entered.
| -rwxr-xr-x[-rw-r--r--] | cpu/arm920t/start.S | 14 | ||||
| -rwxr-xr-x[-rw-r--r--] | include/asm-arm/led.h (renamed from board/at91rm9200dk/led.h) | 2 | ||||
| -rwxr-xr-x[-rw-r--r--] | lib_arm/board.c | 24 |
3 files changed, 31 insertions, 9 deletions
diff --git a/cpu/arm920t/start.S b/cpu/arm920t/start.S index b9c364b..1bc6099 100644..100755 --- a/cpu/arm920t/start.S +++ b/cpu/arm920t/start.S @@ -27,9 +27,7 @@ #include <config.h> #include <version.h> -#if defined(CONFIG_AT91RM9200DK) || defined(CONFIG_AT91RM9200EK) || defined(CONFIG_AT91RM9200DF) -#include <led.h> -#endif +#include <asm/led.h> /* ************************************************************************* @@ -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/board/at91rm9200dk/led.h b/include/asm-arm/led.h index 57c2b4a..f78a4b1 100644..100755 --- a/board/at91rm9200dk/led.h +++ b/include/asm-arm/led.h @@ -26,7 +26,7 @@ #define __LED_H #ifndef __ASSEMBLY__ -extern void LED_init (void); +extern void coloured_LED_init (void); extern void red_LED_on(void); extern void red_LED_off(void); extern void green_LED_on(void); diff --git a/lib_arm/board.c b/lib_arm/board.c index d37e5da..6b49925 100644..100755 --- a/lib_arm/board.c +++ b/lib_arm/board.c @@ -112,6 +112,30 @@ void *sbrk (ptrdiff_t increment) } /************************************************************************ + * 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 * ************************************************************************ * Some of this code should be moved into the core functions, |