projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 48b42616 WD |
1 | /* |
| 2 | * asm/status_led.h | |
| 3 | * | |
| 4 | * MPC8xx/MPC8260/MPC5xx based status led support functions | |
| 5 | */ | |
| 6 | ||
| 7 | #ifndef __ASM_STATUS_LED_H__ | |
| 8 | #define __ASM_STATUS_LED_H__ | |
| 9 | ||
| 62a3b7dd | 10 | /* if not overridden */ |
| 2d8d190c | 11 | #ifndef CONFIG_LED_STATUS_BOARD_SPECIFIC |
| 2eb48ff7 | 12 | # if defined(CONFIG_5xx) |
| 48b42616 WD |
13 | # include <mpc5xx.h> |
| 14 | # else | |
| 15 | # error CPU specific Status LED header file missing. | |
| 16 | #endif | |
| 17 | ||
| 18 | /* led_id_t is unsigned long mask */ | |
| 19 | typedef unsigned long led_id_t; | |
| 20 | ||
| 21 | static inline void __led_init (led_id_t mask, int state) | |
| 22 | { | |
| 6d0f6bcf | 23 | volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; |
| 48b42616 WD |
24 | |
| 25 | #ifdef STATUS_LED_PAR | |
| 26 | immr->STATUS_LED_PAR &= ~mask; | |
| 27 | #endif | |
| 28 | #ifdef STATUS_LED_ODR | |
| 29 | immr->STATUS_LED_ODR &= ~mask; | |
| 30 | #endif | |
| 31 | ||
| 32 | #if (STATUS_LED_ACTIVE == 0) | |
| 2d8d190c | 33 | if (state == CONFIG_LED_STATUS_ON) |
| 48b42616 WD |
34 | immr->STATUS_LED_DAT &= ~mask; |
| 35 | else | |
| 36 | immr->STATUS_LED_DAT |= mask; | |
| 37 | #else | |
| 2d8d190c | 38 | if (state == CONFIG_LED_STATUS_ON) |
| 48b42616 WD |
39 | immr->STATUS_LED_DAT |= mask; |
| 40 | else | |
| 41 | immr->STATUS_LED_DAT &= ~mask; | |
| 42 | #endif | |
| 43 | #ifdef STATUS_LED_DIR | |
| 44 | immr->STATUS_LED_DIR |= mask; | |
| 45 | #endif | |
| 46 | } | |
| 47 | ||
| 48 | static inline void __led_toggle (led_id_t mask) | |
| 49 | { | |
| 6d0f6bcf | 50 | ((immap_t *) CONFIG_SYS_IMMR)->STATUS_LED_DAT ^= mask; |
| 48b42616 WD |
51 | } |
| 52 | ||
| 53 | static inline void __led_set (led_id_t mask, int state) | |
| 54 | { | |
| 6d0f6bcf | 55 | volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; |
| 48b42616 WD |
56 | |
| 57 | #if (STATUS_LED_ACTIVE == 0) | |
| 2d8d190c | 58 | if (state == CONFIG_LED_STATUS_ON) |
| 48b42616 WD |
59 | immr->STATUS_LED_DAT &= ~mask; |
| 60 | else | |
| 61 | immr->STATUS_LED_DAT |= mask; | |
| 62 | #else | |
| 2d8d190c | 63 | if (state == CONFIG_LED_STATUS_ON) |
| 48b42616 WD |
64 | immr->STATUS_LED_DAT |= mask; |
| 65 | else | |
| 66 | immr->STATUS_LED_DAT &= ~mask; | |
| 67 | #endif | |
| 68 | ||
| 69 | } | |
| 70 | ||
| 71 | #endif | |
| 72 | ||
| 73 | #endif /* __ASM_STATUS_LED_H__ */ |