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time.c
Package: linux-2.4.20.tar.gz　[view]
Upload User: jlfgdled
Upload Date: 2013-04-10
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Code Size: 1k
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Linux-Unix program

Development Platform:

Unix_Linux

time.c：Code Content
  1. /*
  2.  *  arch/mips/ddb5074/time.c -- Timer routines
  3.  *
  4.  *  Copyright (C) 2000 Geert Uytterhoeven <geert@sonycom.com>
  5.  *                     Sony Software Development Center Europe (SDCE), Brussels
  6.  *
  7.  */
  8. #include <linux/init.h>
  9. #include <asm/mc146818rtc.h>
  10. #include <asm/ddb5xxx/ddb5074.h>
  11. #include <asm/ddb5xxx/ddb5xxx.h>
  14. static unsigned char ddb_rtc_read_data(unsigned long addr)
  15. {
  16. return *(volatile unsigned char *)(KSEG1ADDR(DDB_PCI_MEM_BASE)+addr);
  17. }
  19. static void ddb_rtc_write_data(unsigned char data, unsigned long addr)
  20. {
  21.   *(volatile unsigned char *)(KSEG1ADDR(DDB_PCI_MEM_BASE)+addr)=data;
  22. }
  24. static int ddb_rtc_bcd_mode(void)
  25. {
  26. return 1;
  27. }
  29. struct rtc_ops ddb_rtc_ops = {
  30. ddb_rtc_read_data,
  31. ddb_rtc_write_data,
  32. ddb_rtc_bcd_mode
  33. };