/* * asm/status_led.h * * MPC8xx/MPC8260/MPC5xx based status led support functions */ #ifndef __ASM_STATUS_LED_H__ #define __ASM_STATUS_LED_H__ /* if not overriden */ #ifndef CONFIG_BOARD_SPECIFIC_LED # if defined(CONFIG_8xx) # include <mpc8xx.h> # elif defined(CONFIG_8260) # include <mpc8260.h> # elif defined(CONFIG_5xx) # include <mpc5xx.h> # else # error CPU specific Status LED header file missing. #endif /* led_id_t is unsigned long mask */ typedef unsigned long led_id_t; static inline void __led_init (led_id_t mask, int state) { volatile immap_t *immr = (immap_t *) CFG_IMMR; #ifdef STATUS_LED_PAR immr->STATUS_LED_PAR &= ~mask; #endif #ifdef STATUS_LED_ODR immr->STATUS_LED_ODR &= ~mask; #endif #if (STATUS_LED_ACTIVE == 0) if (state == STATUS_LED_ON) immr->STATUS_LED_DAT &= ~mask; else immr->STATUS_LED_DAT |= mask; #else if (state == STATUS_LED_ON) immr->STATUS_LED_DAT |= mask; else immr->STATUS_LED_DAT &= ~mask; #endif #ifdef STATUS_LED_DIR immr->STATUS_LED_DIR |= mask; #endif } static inline void __led_toggle (led_id_t mask) { ((immap_t *) CFG_IMMR)->STATUS_LED_DAT ^= mask; } static inline void __led_set (led_id_t mask, int state) { volatile immap_t *immr = (immap_t *) CFG_IMMR; #if (STATUS_LED_ACTIVE == 0) if (state == STATUS_LED_ON) immr->STATUS_LED_DAT &= ~mask; else immr->STATUS_LED_DAT |= mask; #else if (state == STATUS_LED_ON) immr->STATUS_LED_DAT |= mask; else immr->STATUS_LED_DAT &= ~mask; #endif } #endif #endif /* __ASM_STATUS_LED_H__ */