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| author | wdenk <wdenk> | 2003-06-19 23:01:32 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2003-06-19 23:01:32 +0000 |
| commit | 48b42616e928ce6eacfe20276a1614e2b27ac4b5 (patch) | |
| tree | 0c194fbd1059185f158c0b37dc3c846b50c2ee2f /include/asm-ppc/status_led.h | |
| parent | 15ef8a5d17181ea376fac94579dce0af1cfcdeb7 (diff) | |
| download | bootable_bootloader_goldelico_gta04-48b42616e928ce6eacfe20276a1614e2b27ac4b5.zip bootable_bootloader_goldelico_gta04-48b42616e928ce6eacfe20276a1614e2b27ac4b5.tar.gz bootable_bootloader_goldelico_gta04-48b42616e928ce6eacfe20276a1614e2b27ac4b5.tar.bz2 | |
* Patches by David Müller, 12 Jun 2003:
- rewrite of the S3C24X0 register definitions stuff
- "driver" for the built-in S3C24X0 RTC
* Patches by Yuli Barcohen, 12 Jun 2003:
- Add MII support and Ethernet PHY initialization for MPC8260ADS board
- Fix incorrect SIUMCR initialisation caused by wrong Hard Reset
configuration word supplied by FPGA on some MPC8260ADS boards
* Patch by Pantelis Antoniou, 10 Jun 2003:
Unify status LED interface
Diffstat (limited to 'include/asm-ppc/status_led.h')
| -rw-r--r-- | include/asm-ppc/status_led.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/include/asm-ppc/status_led.h b/include/asm-ppc/status_led.h new file mode 100644 index 0000000..eb81f37 --- /dev/null +++ b/include/asm-ppc/status_led.h @@ -0,0 +1,77 @@ +/* + * 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__ */ |