157 lines
6.2 KiB
C
157 lines
6.2 KiB
C
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/*
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* Register definitions specific to the A2 core
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*
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* Copyright (C) 2008 Ben. Herrenschmidt (benh@kernel.crashing.org), IBM Corp.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef __ASM_POWERPC_REG_A2_H__
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#define __ASM_POWERPC_REG_A2_H__
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#define SPRN_TENSR 0x1b5
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#define SPRN_TENS 0x1b6 /* Thread ENable Set */
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#define SPRN_TENC 0x1b7 /* Thread ENable Clear */
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#define SPRN_A2_CCR0 0x3f0 /* Core Configuration Register 0 */
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#define SPRN_A2_CCR1 0x3f1 /* Core Configuration Register 1 */
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#define SPRN_A2_CCR2 0x3f2 /* Core Configuration Register 2 */
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#define SPRN_MMUCR0 0x3fc /* MMU Control Register 0 */
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#define SPRN_MMUCR1 0x3fd /* MMU Control Register 1 */
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#define SPRN_MMUCR2 0x3fe /* MMU Control Register 2 */
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#define SPRN_MMUCR3 0x3ff /* MMU Control Register 3 */
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#define SPRN_IAR 0x372
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#define SPRN_IUCR0 0x3f3
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#define IUCR0_ICBI_ACK 0x1000
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#define SPRN_XUCR0 0x3f6 /* Execution Unit Config Register 0 */
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#define A2_IERAT_SIZE 16
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#define A2_DERAT_SIZE 32
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/* A2 MMUCR0 bits */
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#define MMUCR0_ECL 0x80000000 /* Extended Class for TLB fills */
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#define MMUCR0_TID_NZ 0x40000000 /* TID is non-zero */
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#define MMUCR0_TS 0x10000000 /* Translation space for TLB fills */
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#define MMUCR0_TGS 0x20000000 /* Guest space for TLB fills */
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#define MMUCR0_TLBSEL 0x0c000000 /* TLB or ERAT target for TLB fills */
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#define MMUCR0_TLBSEL_U 0x00000000 /* TLBSEL = UTLB */
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#define MMUCR0_TLBSEL_I 0x08000000 /* TLBSEL = I-ERAT */
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#define MMUCR0_TLBSEL_D 0x0c000000 /* TLBSEL = D-ERAT */
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#define MMUCR0_LOCKSRSH 0x02000000 /* Use TLB lock on tlbsx. */
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#define MMUCR0_TID_MASK 0x000000ff /* TID field */
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/* A2 MMUCR1 bits */
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#define MMUCR1_IRRE 0x80000000 /* I-ERAT round robin enable */
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#define MMUCR1_DRRE 0x40000000 /* D-ERAT round robin enable */
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#define MMUCR1_REE 0x20000000 /* Reference Exception Enable*/
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#define MMUCR1_CEE 0x10000000 /* Change exception enable */
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#define MMUCR1_CSINV_ALL 0x00000000 /* Inval ERAT on all CS evts */
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#define MMUCR1_CSINV_NISYNC 0x04000000 /* Inval ERAT on all ex isync*/
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#define MMUCR1_CSINV_NEVER 0x0c000000 /* Don't inval ERAT on CS */
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#define MMUCR1_ICTID 0x00080000 /* IERAT class field as TID */
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#define MMUCR1_ITTID 0x00040000 /* IERAT thdid field as TID */
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#define MMUCR1_DCTID 0x00020000 /* DERAT class field as TID */
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#define MMUCR1_DTTID 0x00010000 /* DERAT thdid field as TID */
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#define MMUCR1_DCCD 0x00008000 /* DERAT class ignore */
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#define MMUCR1_TLBWE_BINV 0x00004000 /* back invalidate on tlbwe */
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/* A2 MMUCR2 bits */
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#define MMUCR2_PSSEL_SHIFT 4
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/* A2 MMUCR3 bits */
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#define MMUCR3_THID 0x0000000f /* Thread ID */
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/* *** ERAT TLB bits definitions */
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#define TLB0_EPN_MASK ASM_CONST(0xfffffffffffff000)
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#define TLB0_CLASS_MASK ASM_CONST(0x0000000000000c00)
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#define TLB0_CLASS_00 ASM_CONST(0x0000000000000000)
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#define TLB0_CLASS_01 ASM_CONST(0x0000000000000400)
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#define TLB0_CLASS_10 ASM_CONST(0x0000000000000800)
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#define TLB0_CLASS_11 ASM_CONST(0x0000000000000c00)
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#define TLB0_V ASM_CONST(0x0000000000000200)
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#define TLB0_X ASM_CONST(0x0000000000000100)
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#define TLB0_SIZE_MASK ASM_CONST(0x00000000000000f0)
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#define TLB0_SIZE_4K ASM_CONST(0x0000000000000010)
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#define TLB0_SIZE_64K ASM_CONST(0x0000000000000030)
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#define TLB0_SIZE_1M ASM_CONST(0x0000000000000050)
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#define TLB0_SIZE_16M ASM_CONST(0x0000000000000070)
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#define TLB0_SIZE_1G ASM_CONST(0x00000000000000a0)
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#define TLB0_THDID_MASK ASM_CONST(0x000000000000000f)
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#define TLB0_THDID_0 ASM_CONST(0x0000000000000001)
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#define TLB0_THDID_1 ASM_CONST(0x0000000000000002)
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#define TLB0_THDID_2 ASM_CONST(0x0000000000000004)
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#define TLB0_THDID_3 ASM_CONST(0x0000000000000008)
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#define TLB0_THDID_ALL ASM_CONST(0x000000000000000f)
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#define TLB1_RESVATTR ASM_CONST(0x00f0000000000000)
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#define TLB1_U0 ASM_CONST(0x0008000000000000)
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#define TLB1_U1 ASM_CONST(0x0004000000000000)
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#define TLB1_U2 ASM_CONST(0x0002000000000000)
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#define TLB1_U3 ASM_CONST(0x0001000000000000)
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#define TLB1_R ASM_CONST(0x0000800000000000)
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#define TLB1_C ASM_CONST(0x0000400000000000)
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#define TLB1_RPN_MASK ASM_CONST(0x000003fffffff000)
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#define TLB1_W ASM_CONST(0x0000000000000800)
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#define TLB1_I ASM_CONST(0x0000000000000400)
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#define TLB1_M ASM_CONST(0x0000000000000200)
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#define TLB1_G ASM_CONST(0x0000000000000100)
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#define TLB1_E ASM_CONST(0x0000000000000080)
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#define TLB1_VF ASM_CONST(0x0000000000000040)
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#define TLB1_UX ASM_CONST(0x0000000000000020)
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#define TLB1_SX ASM_CONST(0x0000000000000010)
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#define TLB1_UW ASM_CONST(0x0000000000000008)
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#define TLB1_SW ASM_CONST(0x0000000000000004)
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#define TLB1_UR ASM_CONST(0x0000000000000002)
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#define TLB1_SR ASM_CONST(0x0000000000000001)
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/* A2 erativax attributes definitions */
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#define ERATIVAX_RS_IS_ALL 0x000
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#define ERATIVAX_RS_IS_TID 0x040
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#define ERATIVAX_RS_IS_CLASS 0x080
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#define ERATIVAX_RS_IS_FULLMATCH 0x0c0
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#define ERATIVAX_CLASS_00 0x000
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#define ERATIVAX_CLASS_01 0x010
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#define ERATIVAX_CLASS_10 0x020
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#define ERATIVAX_CLASS_11 0x030
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#define ERATIVAX_PSIZE_4K (TLB_PSIZE_4K >> 1)
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#define ERATIVAX_PSIZE_64K (TLB_PSIZE_64K >> 1)
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#define ERATIVAX_PSIZE_1M (TLB_PSIZE_1M >> 1)
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#define ERATIVAX_PSIZE_16M (TLB_PSIZE_16M >> 1)
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#define ERATIVAX_PSIZE_1G (TLB_PSIZE_1G >> 1)
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/* A2 eratilx attributes definitions */
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#define ERATILX_T_ALL 0
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#define ERATILX_T_TID 1
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#define ERATILX_T_TGS 2
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#define ERATILX_T_FULLMATCH 3
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#define ERATILX_T_CLASS0 4
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#define ERATILX_T_CLASS1 5
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#define ERATILX_T_CLASS2 6
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#define ERATILX_T_CLASS3 7
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/* XUCR0 bits */
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#define XUCR0_TRACE_UM_T0 0x40000000 /* Thread 0 */
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#define XUCR0_TRACE_UM_T1 0x20000000 /* Thread 1 */
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#define XUCR0_TRACE_UM_T2 0x10000000 /* Thread 2 */
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#define XUCR0_TRACE_UM_T3 0x08000000 /* Thread 3 */
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/* A2 CCR0 register */
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#define A2_CCR0_PME_DISABLED 0x00000000
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#define A2_CCR0_PME_SLEEP 0x40000000
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#define A2_CCR0_PME_RVW 0x80000000
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#define A2_CCR0_PME_DISABLED2 0xc0000000
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/* A2 CCR2 register */
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#define A2_CCR2_ERAT_ONLY_MODE 0x00000001
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#define A2_CCR2_ENABLE_ICSWX 0x00000002
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#define A2_CCR2_ENABLE_PC 0x20000000
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#define A2_CCR2_ENABLE_TRACE 0x40000000
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#endif /* __ASM_POWERPC_REG_A2_H__ */
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