Patches by Stephan Linz, 11 Dec 2003:

- more documentation for NIOS port
- new struct nios_pio_t, struct nios_spi_t
- Reconfiguration for NIOS Development Kit DK1C20:
  o move board related code from board/dk1c20
    to board/altera/dk1c20
  o create a new common source path board/altera/common
    and move generic flash access stuff into it
  o change/expand configuration file DK1C20.h
- Add support for NIOS Development Kit DK1S10
- Add status LED support for NIOS systems
- Add dual 7-segment LED support for Altera NIOS DevKits

cpu/nios/interrupts.c

@@ -30,6 +30,9 @@
 #include <asm/ptrace.h>
 #include <common.h>
 #include <command.h>
+#ifdef CONFIG_STATUS_LED
+#include <status_led.h>
+#endif
 
 /****************************************************************************/
 
@@ -72,6 +75,9 @@ void timer_interrupt (struct pt_regs *regs)
 	nios_timer_t *tmr = (nios_timer_t *)CFG_NIOS_TMRBASE;
 	tmr->status = 0;
 	timestamp += CFG_NIOS_TMRMS;
+#ifdef CONFIG_STATUS_LED
+	status_led_tick(timestamp);
+#endif
 }
 #endif