board/fads/lamp.c

   1 #include <config.h>
   2
   3 #ifndef CONFIG_ADS /* Old ADS has not got any user-controllable LED */
   4
   5 #include <common.h>
   6
   7 void
   8 signal_delay(unsigned int n)
   9 {
  10   while (n--);
  11 }
  12
  13 void
  14 signal_on(void)
  15 {
  16   *((volatile uint *)BCSR4) &= ~(1<<(31-3)); /* led on */
  17 }
  18
  19 void
  20 signal_off(void)
  21 {
  22   *((volatile uint *)BCSR4) |= (1<<(31-3)); /* led off */
  23 }
  24
  25 void
  26 slow_blink(unsigned int n)
  27 {
  28   while (n--) {
  29     signal_on();
  30     signal_delay(0x00400000);
  31     signal_off();
  32     signal_delay(0x00400000);
  33   }
  34 }
  35
  36 void
  37 fast_blink(unsigned int n)
  38 {
  39   while (n--) {
  40     signal_on();
  41     signal_delay(0x00100000);
  42     signal_off();
  43     signal_delay(0x00100000);
  44   }
  45 }
  46
  47 #endif /* !CONFIG_ADS */