arch/powerpc/include/asm/reg_a2.h

   1 /*
   2  *  Register definitions specific to the A2 core
   3  *
   4  *  Copyright (C) 2008 Ben. Herrenschmidt (benh@kernel.crashing.org), IBM Corp.
   5  *
   6  *  This program is free software; you can redistribute it and/or
   7  *  modify it under the terms of the GNU General Public License
   8  *  as published by the Free Software Foundation; either version
   9  *  2 of the License, or (at your option) any later version.
  10  */
  11
  12 #ifndef __ASM_POWERPC_REG_A2_H__
  13 #define __ASM_POWERPC_REG_A2_H__
  14
  15 #define SPRN_TENSR      0x1b5
  16 #define SPRN_TENS       0x1b6   /* Thread ENable Set */
  17 #define SPRN_TENC       0x1b7   /* Thread ENable Clear */
  18
  19 #define SPRN_A2_CCR0    0x3f0   /* Core Configuration Register 0 */
  20 #define SPRN_A2_CCR1    0x3f1   /* Core Configuration Register 1 */
  21 #define SPRN_A2_CCR2    0x3f2   /* Core Configuration Register 2 */
  22 #define SPRN_MMUCR0     0x3fc   /* MMU Control Register 0 */
  23 #define SPRN_MMUCR1     0x3fd   /* MMU Control Register 1 */
  24 #define SPRN_MMUCR2     0x3fe   /* MMU Control Register 2 */
  25 #define SPRN_MMUCR3     0x3ff   /* MMU Control Register 3 */
  26
  27 #define SPRN_IAR        0x372
  28
  29 #define SPRN_IUCR0      0x3f3
  30 #define IUCR0_ICBI_ACK  0x1000
  31
  32 #define SPRN_XUCR0      0x3f6   /* Execution Unit Config Register 0 */
  33
  34 #define A2_IERAT_SIZE   16
  35 #define A2_DERAT_SIZE   32
  36
  37 /* A2 MMUCR0 bits */
  38 #define MMUCR0_ECL      0x80000000      /* Extended Class for TLB fills */
  39 #define MMUCR0_TID_NZ   0x40000000      /* TID is non-zero */
  40 #define MMUCR0_TS       0x10000000      /* Translation space for TLB fills */
  41 #define MMUCR0_TGS      0x20000000      /* Guest space for TLB fills */
  42 #define MMUCR0_TLBSEL   0x0c000000      /* TLB or ERAT target for TLB fills */
  43 #define MMUCR0_TLBSEL_U 0x00000000      /*  TLBSEL = UTLB */
  44 #define MMUCR0_TLBSEL_I 0x08000000      /*  TLBSEL = I-ERAT */
  45 #define MMUCR0_TLBSEL_D 0x0c000000      /*  TLBSEL = D-ERAT */
  46 #define MMUCR0_LOCKSRSH 0x02000000      /* Use TLB lock on tlbsx. */
  47 #define MMUCR0_TID_MASK 0x000000ff      /* TID field */
  48
  49 /* A2 MMUCR1 bits */
  50 #define MMUCR1_IRRE             0x80000000      /* I-ERAT round robin enable */
  51 #define MMUCR1_DRRE             0x40000000      /* D-ERAT round robin enable */
  52 #define MMUCR1_REE              0x20000000      /* Reference Exception Enable*/
  53 #define MMUCR1_CEE              0x10000000      /* Change exception enable */
  54 #define MMUCR1_CSINV_ALL        0x00000000      /* Inval ERAT on all CS evts */
  55 #define MMUCR1_CSINV_NISYNC     0x04000000      /* Inval ERAT on all ex isync*/
  56 #define MMUCR1_CSINV_NEVER      0x0c000000      /* Don't inval ERAT on CS */
  57 #define MMUCR1_ICTID            0x00080000      /* IERAT class field as TID */
  58 #define MMUCR1_ITTID            0x00040000      /* IERAT thdid field as TID */
  59 #define MMUCR1_DCTID            0x00020000      /* DERAT class field as TID */
  60 #define MMUCR1_DTTID            0x00010000      /* DERAT thdid field as TID */
  61 #define MMUCR1_DCCD             0x00008000      /* DERAT class ignore */
  62 #define MMUCR1_TLBWE_BINV       0x00004000      /* back invalidate on tlbwe */
  63
  64 /* A2 MMUCR2 bits */
  65 #define MMUCR2_PSSEL_SHIFT      4
  66
  67 /* A2 MMUCR3 bits */
  68 #define MMUCR3_THID             0x0000000f      /* Thread ID */
  69
  70 /* *** ERAT TLB bits definitions */
  71 #define TLB0_EPN_MASK           ASM_CONST(0xfffffffffffff000)
  72 #define TLB0_CLASS_MASK         ASM_CONST(0x0000000000000c00)
  73 #define TLB0_CLASS_00           ASM_CONST(0x0000000000000000)
  74 #define TLB0_CLASS_01           ASM_CONST(0x0000000000000400)
  75 #define TLB0_CLASS_10           ASM_CONST(0x0000000000000800)
  76 #define TLB0_CLASS_11           ASM_CONST(0x0000000000000c00)
  77 #define TLB0_V                  ASM_CONST(0x0000000000000200)
  78 #define TLB0_X                  ASM_CONST(0x0000000000000100)
  79 #define TLB0_SIZE_MASK          ASM_CONST(0x00000000000000f0)
  80 #define TLB0_SIZE_4K            ASM_CONST(0x0000000000000010)
  81 #define TLB0_SIZE_64K           ASM_CONST(0x0000000000000030)
  82 #define TLB0_SIZE_1M            ASM_CONST(0x0000000000000050)
  83 #define TLB0_SIZE_16M           ASM_CONST(0x0000000000000070)
  84 #define TLB0_SIZE_1G            ASM_CONST(0x00000000000000a0)
  85 #define TLB0_THDID_MASK         ASM_CONST(0x000000000000000f)
  86 #define TLB0_THDID_0            ASM_CONST(0x0000000000000001)
  87 #define TLB0_THDID_1            ASM_CONST(0x0000000000000002)
  88 #define TLB0_THDID_2            ASM_CONST(0x0000000000000004)
  89 #define TLB0_THDID_3            ASM_CONST(0x0000000000000008)
  90 #define TLB0_THDID_ALL          ASM_CONST(0x000000000000000f)
  91
  92 #define TLB1_RESVATTR           ASM_CONST(0x00f0000000000000)
  93 #define TLB1_U0                 ASM_CONST(0x0008000000000000)
  94 #define TLB1_U1                 ASM_CONST(0x0004000000000000)
  95 #define TLB1_U2                 ASM_CONST(0x0002000000000000)
  96 #define TLB1_U3                 ASM_CONST(0x0001000000000000)
  97 #define TLB1_R                  ASM_CONST(0x0000800000000000)
  98 #define TLB1_C                  ASM_CONST(0x0000400000000000)
  99 #define TLB1_RPN_MASK           ASM_CONST(0x000003fffffff000)
 100 #define TLB1_W                  ASM_CONST(0x0000000000000800)
 101 #define TLB1_I                  ASM_CONST(0x0000000000000400)
 102 #define TLB1_M                  ASM_CONST(0x0000000000000200)
 103 #define TLB1_G                  ASM_CONST(0x0000000000000100)
 104 #define TLB1_E                  ASM_CONST(0x0000000000000080)
 105 #define TLB1_VF                 ASM_CONST(0x0000000000000040)
 106 #define TLB1_UX                 ASM_CONST(0x0000000000000020)
 107 #define TLB1_SX                 ASM_CONST(0x0000000000000010)
 108 #define TLB1_UW                 ASM_CONST(0x0000000000000008)
 109 #define TLB1_SW                 ASM_CONST(0x0000000000000004)
 110 #define TLB1_UR                 ASM_CONST(0x0000000000000002)
 111 #define TLB1_SR                 ASM_CONST(0x0000000000000001)
 112
 113 #ifdef CONFIG_PPC_EARLY_DEBUG_WSP
 114 #define WSP_UART_PHYS   0xffc000c000
 115 /* This needs to be careful chosen to hit a !0 congruence class
 116  * in the TLB since we bolt it in way 3, which is already occupied
 117  * by our linear mapping primary bolted entry in CC 0.
 118  */
 119 #define WSP_UART_VIRT   0xf000000000001000
 120 #endif
 121
 122 /* A2 erativax attributes definitions */
 123 #define ERATIVAX_RS_IS_ALL              0x000
 124 #define ERATIVAX_RS_IS_TID              0x040
 125 #define ERATIVAX_RS_IS_CLASS            0x080
 126 #define ERATIVAX_RS_IS_FULLMATCH        0x0c0
 127 #define ERATIVAX_CLASS_00               0x000
 128 #define ERATIVAX_CLASS_01               0x010
 129 #define ERATIVAX_CLASS_10               0x020
 130 #define ERATIVAX_CLASS_11               0x030
 131 #define ERATIVAX_PSIZE_4K               (TLB_PSIZE_4K >> 1)
 132 #define ERATIVAX_PSIZE_64K              (TLB_PSIZE_64K >> 1)
 133 #define ERATIVAX_PSIZE_1M               (TLB_PSIZE_1M >> 1)
 134 #define ERATIVAX_PSIZE_16M              (TLB_PSIZE_16M >> 1)
 135 #define ERATIVAX_PSIZE_1G               (TLB_PSIZE_1G >> 1)
 136
 137 /* A2 eratilx attributes definitions */
 138 #define ERATILX_T_ALL                   0
 139 #define ERATILX_T_TID                   1
 140 #define ERATILX_T_TGS                   2
 141 #define ERATILX_T_FULLMATCH             3
 142 #define ERATILX_T_CLASS0                4
 143 #define ERATILX_T_CLASS1                5
 144 #define ERATILX_T_CLASS2                6
 145 #define ERATILX_T_CLASS3                7
 146
 147 /* XUCR0 bits */
 148 #define XUCR0_TRACE_UM_T0               0x40000000      /* Thread 0 */
 149 #define XUCR0_TRACE_UM_T1               0x20000000      /* Thread 1 */
 150 #define XUCR0_TRACE_UM_T2               0x10000000      /* Thread 2 */
 151 #define XUCR0_TRACE_UM_T3               0x08000000      /* Thread 3 */
 152
 153 /* A2 CCR0 register */
 154 #define A2_CCR0_PME_DISABLED            0x00000000
 155 #define A2_CCR0_PME_SLEEP               0x40000000
 156 #define A2_CCR0_PME_RVW                 0x80000000
 157 #define A2_CCR0_PME_DISABLED2           0xc0000000
 158
 159 /* A2 CCR2 register */
 160 #define A2_CCR2_ERAT_ONLY_MODE          0x00000001
 161 #define A2_CCR2_ENABLE_ICSWX            0x00000002
 162 #define A2_CCR2_ENABLE_PC               0x20000000
 163 #define A2_CCR2_ENABLE_TRACE            0x40000000
 164
 165 #endif /* __ASM_POWERPC_REG_A2_H__ */