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