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pa7300lc.c
Package: linux-2.4.20.tar.gz　[view]
Upload User: jlfgdled
Upload Date: 2013-04-10
Package Size: 33168k
Code Size: 1k
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Linux-Unix program

Development Platform:

Unix_Linux

pa7300lc.c：Code Content
  1. /*
  2.  *   linux/arch/parisc/kernel/pa7300lc.c
  3.  * - PA7300LC-specific functions
  4.  *
  5.  *   Copyright (C) 2000 Philipp Rumpf */
  7. #include <linux/sched.h>
  8. #include <linux/smp.h>
  9. #include <linux/kernel.h>
  10. #include <asm/gsc.h>
  11. #include <asm/ptrace.h>
  12. #include <asm/machdep.h>
  14. /* CPU register indices */
  16. #define MIOC_STATUS 0xf040
  17. #define MIOC_CONTROL 0xf080
  18. #define MDERRADD 0xf0e0
  19. #define DMAERR 0xf0e8
  20. #define DIOERR 0xf0ec
  21. #define HIDMAMEM 0xf0f4
  23. /* this returns the HPA of the CPU it was called on */
  24. static u32 cpu_hpa(void)
  25. {
  26. return 0xfffb0000;
  27. }
  29. static void pa7300lc_lpmc(int code, struct pt_regs *regs)
  30. {
  31. u32 hpa;
  32. printk(KERN_WARNING "LPMC on CPU %dn", smp_processor_id());
  34. show_regs(regs);
  36. hpa = cpu_hpa();
  37. printk(KERN_WARNING
  38. "MIOC_CONTROL %08xn" "MIOC_STATUS  %08xn"
  39. "MDERRADD     %08xn" "DMAERR       %08xn"
  40. "DIOERR       %08xn" "HIDMAMEM     %08xn",
  41. gsc_readl(hpa+MIOC_CONTROL), gsc_readl(hpa+MIOC_STATUS),
  42. gsc_readl(hpa+MDERRADD), gsc_readl(hpa+DMAERR),
  43. gsc_readl(hpa+DIOERR), gsc_readl(hpa+HIDMAMEM));
  44. }
  46. void pa7300lc_init(void)
  47. {
  48. cpu_lpmc = pa7300lc_lpmc;
  49. }