LXR linux/arch/powerpc/include/asm/reg

   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__ */
 166