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 |
| 5b8e76c3 | 12 | # if defined(CONFIG_MPC8260) |
| 48b42616 WD |
13 | # include <mpc8260.h> |
| 14 | # elif defined(CONFIG_5xx) | |
| 15 | # include <mpc5xx.h> | |
| 16 | # else | |
| 17 | # error CPU specific Status LED header file missing. | |
| 18 | #endif | |
| 19 | ||
| 20 | /* led_id_t is unsigned long mask */ | |
| 21 | typedef unsigned long led_id_t; | |
| 22 | ||
| 23 | static inline void __led_init (led_id_t mask, int state) | |
| 24 | { | |
| 6d0f6bcf | 25 | volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; |
| 48b42616 WD |
26 | |
| 27 | #ifdef STATUS_LED_PAR | |
| 28 | immr->STATUS_LED_PAR &= ~mask; | |
| 29 | #endif | |
| 30 | #ifdef STATUS_LED_ODR | |
| 31 | immr->STATUS_LED_ODR &= ~mask; | |
| 32 | #endif | |
| 33 | ||
| 34 | #if (STATUS_LED_ACTIVE == 0) | |
| 2d8d190c | 35 | if (state == CONFIG_LED_STATUS_ON) |
| 48b42616 WD |
36 | immr->STATUS_LED_DAT &= ~mask; |
| 37 | else | |
| 38 | immr->STATUS_LED_DAT |= mask; | |
| 39 | #else | |
| 2d8d190c | 40 | if (state == CONFIG_LED_STATUS_ON) |
| 48b42616 WD |
41 | immr->STATUS_LED_DAT |= mask; |
| 42 | else | |
| 43 | immr->STATUS_LED_DAT &= ~mask; | |
| 44 | #endif | |
| 45 | #ifdef STATUS_LED_DIR | |
| 46 | immr->STATUS_LED_DIR |= mask; | |
| 47 | #endif | |
| 48 | } | |
| 49 | ||
| 50 | static inline void __led_toggle (led_id_t mask) | |
| 51 | { | |
| 6d0f6bcf | 52 | ((immap_t *) CONFIG_SYS_IMMR)->STATUS_LED_DAT ^= mask; |
| 48b42616 WD |
53 | } |
| 54 | ||
| 55 | static inline void __led_set (led_id_t mask, int state) | |
| 56 | { | |
| 6d0f6bcf | 57 | volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; |
| 48b42616 WD |
58 | |
| 59 | #if (STATUS_LED_ACTIVE == 0) | |
| 2d8d190c | 60 | if (state == CONFIG_LED_STATUS_ON) |
| 48b42616 WD |
61 | immr->STATUS_LED_DAT &= ~mask; |
| 62 | else | |
| 63 | immr->STATUS_LED_DAT |= mask; | |
| 64 | #else | |
| 2d8d190c | 65 | if (state == CONFIG_LED_STATUS_ON) |
| 48b42616 WD |
66 | immr->STATUS_LED_DAT |= mask; |
| 67 | else | |
| 68 | immr->STATUS_LED_DAT &= ~mask; | |
| 69 | #endif | |
| 70 | ||
| 71 | } | |
| 72 | ||
| 73 | #endif | |
| 74 | ||
| 75 | #endif /* __ASM_STATUS_LED_H__ */ |