libgloss/bfin/include/cplb.h

   1 /*
   2  * The authors hereby grant permission to use, copy, modify, distribute,
   3  * and license this software and its documentation for any purpose, provided
   4  * that existing copyright notices are retained in all copies and that this
   5  * notice is included verbatim in any distributions. No written agreement,
   6  * license, or royalty fee is required for any of the authorized uses.
   7  * Modifications to this software may be copyrighted by their authors
   8  * and need not follow the licensing terms described here, provided that
   9  * the new terms are clearly indicated on the first page of each file where
  10  * they apply.
  11  */
  12
  13 /************************************************************************
  14  *
  15  * cplb.h
  16  *
  17  * Copyright (C) 2008, 2009 Analog Devices, Inc.
  18  *
  19  ************************************************************************/
  20
  21 /* Defines necessary for cplb initialisation routines. */
  22
  23 #ifndef _CPLB_H
  24 #define _CPLB_H
  25
  26 #include <sys/platform.h>
  27
  28 #ifdef _MISRA_RULES
  29 #pragma diag(push)
  30 #pragma diag(suppress:misra_rule_19_4)
  31 #endif /* _MISRA_RULES */
  32
  33 #define CPLB_ENABLE_ICACHE_P  0
  34 #define CPLB_ENABLE_DCACHE_P  1
  35 #define CPLB_ENABLE_DCACHE2_P 2
  36 #define CPLB_ENABLE_CPLBS_P   3  /* Deprecated! */
  37 #define CPLB_ENABLE_ICPLBS_P  4
  38 #define CPLB_ENABLE_DCPLBS_P  5
  39 #define CPLB_SET_DCBS_P       6
  40 #define CPLB_INVALIDATE_B_P   23
  41
  42 /* ___cplb_ctrl bitmasks */
  43 #define CPLB_ENABLE_ICACHE   (1<<CPLB_ENABLE_ICACHE_P)
  44 #define CPLB_ENABLE_DCACHE   (1<<CPLB_ENABLE_DCACHE_P)
  45 #define CPLB_ENABLE_DCACHE2  (1<<CPLB_ENABLE_DCACHE2_P)
  46 #define CPLB_ENABLE_CPLBS    (1<<CPLB_ENABLE_CPLBS_P)
  47 #define CPLB_ENABLE_ICPLBS   (1<<CPLB_ENABLE_ICPLBS_P)
  48 #define CPLB_ENABLE_DCPLBS   (1<<CPLB_ENABLE_DCPLBS_P)
  49 #define CPLB_ENABLE_ANY_CPLBS  \
  50            ( CPLB_ENABLE_CPLBS | CPLB_ENABLE_ICPLBS | CPLB_ENABLE_DCPLBS )
  51 #define CPLB_SET_DCBS        (1<<CPLB_SET_DCBS_P)
  52
  53 /* Bitmasks for dcache_invalidate routine parameters */
  54 #define CPLB_INVALIDATE_A  0
  55 #define CPLB_INVALIDATE_B  (1<<CPLB_INVALIDATE_B_P)
  56
  57 /* _cplb_mgr return values */
  58 #define CPLB_RELOADED      0x0000
  59 #define CPLB_NO_UNLOCKED   0x0001
  60 #define CPLB_NO_ADDR_MATCH 0x0002
  61 #define CPLB_PROT_VIOL     0x0003
  62 #define CPLB_NO_ACTION     0x0004
  63
  64 /* CPLB configurations */
  65 #define CPLB_DEF_CACHE_WT  ( CPLB_L1_CHBL | CPLB_WT )
  66 #define CPLB_DEF_CACHE_WB  ( CPLB_L1_CHBL )
  67 #define CPLB_CACHE_ENABLED ( CPLB_L1_CHBL | CPLB_DIRTY )
  68
  69 #define CPLB_DEF_CACHE     ( CPLB_L1_CHBL | CPLB_WT )
  70 #define CPLB_ALL_ACCESS    ( CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR )
  71
  72 #define CPLB_I_PAGE_MGMT   ( CPLB_LOCK | CPLB_VALID )
  73 #define CPLB_D_PAGE_MGMT   ( CPLB_LOCK | CPLB_ALL_ACCESS | CPLB_VALID )
  74 #define CPLB_DNOCACHE      ( CPLB_ALL_ACCESS | CPLB_VALID )
  75 #define CPLB_DDOCACHE      ( CPLB_DNOCACHE | CPLB_DEF_CACHE )
  76 #define CPLB_INOCACHE      ( CPLB_USER_RD | CPLB_VALID )
  77 #define CPLB_IDOCACHE      ( CPLB_INOCACHE | CPLB_L1_CHBL )
  78
  79 #define CPLB_DDOCACHE_WT   ( CPLB_DNOCACHE | CPLB_DEF_CACHE_WT )
  80 #define CPLB_DDOCACHE_WB   ( CPLB_DNOCACHE | CPLB_DEF_CACHE_WB )
  81
  82 /* Event type parameter for replacement manager _cplb_mgr */
  83 #define CPLB_EVT_ICPLB_MISS   0
  84 #define CPLB_EVT_DCPLB_MISS   1
  85 #define CPLB_EVT_DCPLB_WRITE  2
  86
  87 /* size of cplb tables */
  88 #define __CPLB_TABLE_SIZE    16
  89
  90 #ifdef _MISRA_RULES
  91 #pragma diag(pop)
  92 #endif /* _MISRA_RULES */
  93
  94 #endif /* _CPLB_H */