target/linux/brcm-2.4/files/arch/mips/bcm947xx/include/hndmips.h

   1 /*
   2  * HND SiliconBackplane MIPS core software interface.
   3  *
   4  * Copyright 2007, Broadcom Corporation
   5  * All Rights Reserved.
   6  *
   7  * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
   8  * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
   9  * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
  10  * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
  11  *
  12  */
  13
  14 #ifndef _hndmips_h_
  15 #define _hndmips_h_
  16
  17 extern void sb_mips_init(sb_t *sbh, uint shirq_map_base);
  18 extern bool sb_mips_setclock(sb_t *sbh, uint32 mipsclock, uint32 sbclock, uint32 pciclock);
  19 extern void enable_pfc(uint32 mode);
  20 extern uint32 sb_memc_get_ncdl(sb_t *sbh);
  21
  22 #if defined(BCMPERFSTATS)
  23 /* enable counting - exclusive version. Only one set of counters allowed at a time */
  24 extern void hndmips_perf_cyclecount_enable(void);
  25 extern void hndmips_perf_instrcount_enable(void);
  26 extern void hndmips_perf_icachecount_enable(void);
  27 extern void hndmips_perf_dcachecount_enable(void);
  28 /* start and stop counting */
  29 #define hndmips_perf_start01() \
  30         MTC0(C0_PERFORMANCE, 4, MFC0(C0_PERFORMANCE, 4) | 0x80008000)
  31 #define hndmips_perf_stop01() \
  32         MTC0(C0_PERFORMANCE, 4, MFC0(C0_PERFORMANCE, 4) & ~0x80008000)
  33 /* retrieve coutners - counters *decrement* */
  34 #define hndmips_perf_read0() -(long)(MFC0(C0_PERFORMANCE, 0))
  35 #define hndmips_perf_read1() -(long)(MFC0(C0_PERFORMANCE, 1))
  36 #define hndmips_perf_read2() -(long)(MFC0(C0_PERFORMANCE, 2))
  37 /* enable counting - modular version. Each counters can be enabled separately. */
  38 extern void hndmips_perf_icache_hit_enable(void);
  39 extern void hndmips_perf_icache_miss_enable(void);
  40 extern uint32 hndmips_perf_read_instrcount(void);
  41 extern uint32 hndmips_perf_read_cache_miss(void);
  42 extern uint32 hndmips_perf_read_cache_hit(void);
  43 #endif
  44
  45 #endif /* _hndmips_h_ */