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