diff options
Diffstat (limited to 'arch/nds32')
| -rw-r--r-- | arch/nds32/include/asm/assembler.h | 39 | ||||
| -rw-r--r-- | arch/nds32/include/asm/bitfield.h | 963 | ||||
| -rw-r--r-- | arch/nds32/include/asm/nds32.h | 81 | ||||
| -rw-r--r-- | arch/nds32/kernel/asm-offsets.c | 28 |
4 files changed, 1111 insertions, 0 deletions
diff --git a/arch/nds32/include/asm/assembler.h b/arch/nds32/include/asm/assembler.h new file mode 100644 index 000000000000..c3855782a541 --- /dev/null +++ b/arch/nds32/include/asm/assembler.h @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2005-2017 Andes Technology Corporation + +#ifndef __NDS32_ASSEMBLER_H__ +#define __NDS32_ASSEMBLER_H__ + +.macro gie_disable + setgie.d + dsb +.endm + +.macro gie_enable + setgie.e + dsb +.endm + +.macro gie_save oldpsw + mfsr \oldpsw, $ir0 + setgie.d + dsb +.endm + +.macro gie_restore oldpsw + andi \oldpsw, \oldpsw, #0x1 + beqz \oldpsw, 7001f + setgie.e + dsb +7001: +.endm + + +#define USER(insn, reg, addr, opr) \ +9999: insn reg, addr, opr; \ + .section __ex_table,"a"; \ + .align 3; \ + .long 9999b, 9001f; \ + .previous + +#endif /* __NDS32_ASSEMBLER_H__ */ diff --git a/arch/nds32/include/asm/bitfield.h b/arch/nds32/include/asm/bitfield.h new file mode 100644 index 000000000000..c73f71d67744 --- /dev/null +++ b/arch/nds32/include/asm/bitfield.h @@ -0,0 +1,963 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2005-2017 Andes Technology Corporation + +#ifndef __NDS32_BITFIELD_H__ +#define __NDS32_BITFIELD_H__ +/****************************************************************************** + * cr0: CPU_VER (CPU Version Register) + *****************************************************************************/ +#define CPU_VER_offCFGID 0 /* Minor configuration */ +#define CPU_VER_offREV 16 /* Revision of the CPU version */ +#define CPU_VER_offCPUID 24 /* Major CPU versions */ + +#define CPU_VER_mskCFGID ( 0xFFFF << CPU_VER_offCFGID ) +#define CPU_VER_mskREV ( 0xFF << CPU_VER_offREV ) +#define CPU_VER_mskCPUID ( 0xFF << CPU_VER_offCPUID ) + +/****************************************************************************** + * cr1: ICM_CFG (Instruction Cache/Memory Configuration Register) + *****************************************************************************/ +#define ICM_CFG_offISET 0 /* I-cache sets (# of cache lines) per way */ +#define ICM_CFG_offIWAY 3 /* I-cache ways */ +#define ICM_CFG_offISZ 6 /* I-cache line size */ +#define ICM_CFG_offILCK 9 /* I-cache locking support */ +#define ICM_CFG_offILMB 10 /* On-chip ILM banks */ +#define ICM_CFG_offBSAV 13 /* ILM base register alignment version */ +/* bit 15:31 reserved */ + +#define ICM_CFG_mskISET ( 0x7 << ICM_CFG_offISET ) +#define ICM_CFG_mskIWAY ( 0x7 << ICM_CFG_offIWAY ) +#define ICM_CFG_mskISZ ( 0x7 << ICM_CFG_offISZ ) +#define ICM_CFG_mskILCK ( 0x1 << ICM_CFG_offILCK ) +#define ICM_CFG_mskILMB ( 0x7 << ICM_CFG_offILMB ) +#define ICM_CFG_mskBSAV ( 0x3 << ICM_CFG_offBSAV ) + +/****************************************************************************** + * cr2: DCM_CFG (Data Cache/Memory Configuration Register) + *****************************************************************************/ +#define DCM_CFG_offDSET 0 /* D-cache sets (# of cache lines) per way */ +#define DCM_CFG_offDWAY 3 /* D-cache ways */ +#define DCM_CFG_offDSZ 6 /* D-cache line size */ +#define DCM_CFG_offDLCK 9 /* D-cache locking support */ +#define DCM_CFG_offDLMB 10 /* On-chip DLM banks */ +#define DCM_CFG_offBSAV 13 /* DLM base register alignment version */ +/* bit 15:31 reserved */ + +#define DCM_CFG_mskDSET ( 0x7 << DCM_CFG_offDSET ) +#define DCM_CFG_mskDWAY ( 0x7 << DCM_CFG_offDWAY ) +#define DCM_CFG_mskDSZ ( 0x7 << DCM_CFG_offDSZ ) +#define DCM_CFG_mskDLCK ( 0x1 << DCM_CFG_offDLCK ) +#define DCM_CFG_mskDLMB ( 0x7 << DCM_CFG_offDLMB ) +#define DCM_CFG_mskBSAV ( 0x3 << DCM_CFG_offBSAV ) + +/****************************************************************************** + * cr3: MMU_CFG (MMU Configuration Register) + *****************************************************************************/ +#define MMU_CFG_offMMPS 0 /* Memory management protection scheme */ +#define MMU_CFG_offMMPV 2 /* Memory management protection version number */ +#define MMU_CFG_offFATB 7 /* Fully-associative or non-fully-associative TLB */ + +#define MMU_CFG_offTBW 8 /* TLB ways(non-associative) TBS */ +#define MMU_CFG_offTBS 11 /* TLB sets per way(non-associative) TBS */ +/* bit 14:14 reserved */ + +#define MMU_CFG_offEP8MIN4 15 /* 8KB page supported while minimum page is 4KB */ +#define MMU_CFG_offfEPSZ 16 /* Extra page size supported */ +#define MMU_CFG_offTLBLCK 24 /* TLB locking support */ +#define MMU_CFG_offHPTWK 25 /* Hardware Page Table Walker implemented */ +#define MMU_CFG_offDE 26 /* Default endian */ +#define MMU_CFG_offNTPT 27 /* Partitions for non-translated attributes */ +#define MMU_CFG_offIVTB 28 /* Invisible TLB */ +#define MMU_CFG_offVLPT 29 /* VLPT for fast TLB fill handling implemented */ +#define MMU_CFG_offNTME 30 /* Non-translated VA to PA mapping */ +/* bit 31 reserved */ + +#define MMU_CFG_mskMMPS ( 0x3 << MMU_CFG_offMMPS ) +#define MMU_CFG_mskMMPV ( 0x1F << MMU_CFG_offMMPV ) +#define MMU_CFG_mskFATB ( 0x1 << MMU_CFG_offFATB ) +#define MMU_CFG_mskTBW ( 0x7 << MMU_CFG_offTBW ) +#define MMU_CFG_mskTBS ( 0x7 << MMU_CFG_offTBS ) +#define MMU_CFG_mskEP8MIN4 ( 0x1 << MMU_CFG_offEP8MIN4 ) +#define MMU_CFG_mskfEPSZ ( 0xFF << MMU_CFG_offfEPSZ ) +#define MMU_CFG_mskTLBLCK ( 0x1 << MMU_CFG_offTLBLCK ) +#define MMU_CFG_mskHPTWK ( 0x1 << MMU_CFG_offHPTWK ) +#define MMU_CFG_mskDE ( 0x1 << MMU_CFG_offDE ) +#define MMU_CFG_mskNTPT ( 0x1 << MMU_CFG_offNTPT ) +#define MMU_CFG_mskIVTB ( 0x1 << MMU_CFG_offIVTB ) +#define MMU_CFG_mskVLPT ( 0x1 << MMU_CFG_offVLPT ) +#define MMU_CFG_mskNTME ( 0x1 << MMU_CFG_offNTME ) + +/****************************************************************************** + * cr4: MSC_CFG (Misc Configuration Register) + *****************************************************************************/ +#define MSC_CFG_offEDM 0 +#define MSC_CFG_offLMDMA 1 +#define MSC_CFG_offPFM 2 +#define MSC_CFG_offHSMP 3 +#define MSC_CFG_offTRACE 4 +#define MSC_CFG_offDIV 5 +#define MSC_CFG_offMAC 6 +#define MSC_CFG_offAUDIO 7 +#define MSC_CFG_offL2C 9 +#define MSC_CFG_offRDREG 10 +#define MSC_CFG_offADR24 11 +#define MSC_CFG_offINTLC 12 +#define MSC_CFG_offBASEV 13 +#define MSC_CFG_offNOD 16 +/* bit 13:31 reserved */ + +#define MSC_CFG_mskEDM ( 0x1 << MSC_CFG_offEDM ) +#define MSC_CFG_mskLMDMA ( 0x1 << MSC_CFG_offLMDMA ) +#define MSC_CFG_mskPFM ( 0x1 << MSC_CFG_offPFM ) +#define MSC_CFG_mskHSMP ( 0x1 << MSC_CFG_offHSMP ) +#define MSC_CFG_mskTRACE ( 0x1 << MSC_CFG_offTRACE ) +#define MSC_CFG_mskDIV ( 0x1 << MSC_CFG_offDIV ) +#define MSC_CFG_mskMAC ( 0x1 << MSC_CFG_offMAC ) +#define MSC_CFG_mskAUDIO ( 0x3 << MSC_CFG_offAUDIO ) +#define MSC_CFG_mskL2C ( 0x1 << MSC_CFG_offL2C ) +#define MSC_CFG_mskRDREG ( 0x1 << MSC_CFG_offRDREG ) +#define MSC_CFG_mskADR24 ( 0x1 << MSC_CFG_offADR24 ) +#define MSC_CFG_mskINTLC ( 0x1 << MSC_CFG_offINTLC ) +#define MSC_CFG_mskBASEV ( 0x7 << MSC_CFG_offBASEV ) +#define MSC_CFG_mskNOD ( 0x1 << MSC_CFG_offNOD ) + +/****************************************************************************** + * cr5: CORE_CFG (Core Identification Register) + *****************************************************************************/ +#define CORE_ID_offCOREID 0 +/* bit 4:31 reserved */ + +#define CORE_ID_mskCOREID ( 0xF << CORE_ID_offCOREID ) + +/****************************************************************************** + * cr6: FUCOP_EXIST (FPU and Coprocessor Existence Configuration Register) + *****************************************************************************/ +#define FUCOP_EXIST_offCP0EX 0 +#define FUCOP_EXIST_offCP1EX 1 +#define FUCOP_EXIST_offCP2EX 2 +#define FUCOP_EXIST_offCP3EX 3 +#define FUCOP_EXIST_offCP0ISFPU 31 + +#define FUCOP_EXIST_mskCP0EX ( 0x1 << FUCOP_EXIST_offCP0EX ) +#define FUCOP_EXIST_mskCP1EX ( 0x1 << FUCOP_EXIST_offCP1EX ) +#define FUCOP_EXIST_mskCP2EX ( 0x1 << FUCOP_EXIST_offCP2EX ) +#define FUCOP_EXIST_mskCP3EX ( 0x1 << FUCOP_EXIST_offCP3EX ) +#define FUCOP_EXIST_mskCP0ISFPU ( 0x1 << FUCOP_EXIST_offCP0ISFPU ) + +/****************************************************************************** + * ir0: PSW (Processor Status Word Register) + * ir1: IPSW (Interruption PSW Register) + * ir2: P_IPSW (Previous IPSW Register) + *****************************************************************************/ +#define PSW_offGIE 0 /* Global Interrupt Enable */ +#define PSW_offINTL 1 /* Interruption Stack Level */ +#define PSW_offPOM 3 /* Processor Operation Mode, User/Superuser */ +#define PSW_offBE 5 /* Endianness for data memory access, 1:MSB, 0:LSB */ +#define PSW_offIT 6 /* Enable instruction address translation */ +#define PSW_offDT 7 /* Enable data address translation */ +#define PSW_offIME 8 /* Instruction Machine Error flag */ +#define PSW_offDME 9 /* Data Machine Error flag */ +#define PSW_offDEX 10 /* Debug Exception */ +#define PSW_offHSS 11 /* Hardware Single Stepping */ +#define PSW_offDRBE 12 /* Device Register Endian Mode */ +#define PSW_offAEN 13 /* Audio ISA special feature */ +#define PSW_offWBNA 14 /* Write Back Non-Allocate */ +#define PSW_offIFCON 15 /* IFC On */ +#define PSW_offCPL 16 /* Current Priority Level */ +/* bit 19:31 reserved */ + +#define PSW_mskGIE ( 0x1 << PSW_offGIE ) +#define PSW_mskINTL ( 0x3 << PSW_offINTL ) +#define PSW_mskPOM ( 0x3 << PSW_offPOM ) +#define PSW_mskBE ( 0x1 << PSW_offBE ) +#define PSW_mskIT ( 0x1 << PSW_offIT ) +#define PSW_mskDT ( 0x1 << PSW_offDT ) +#define PSW_mskIME ( 0x1 << PSW_offIME ) +#define PSW_mskDME ( 0x1 << PSW_offDME ) +#define PSW_mskDEX ( 0x1 << PSW_offDEX ) +#define PSW_mskHSS ( 0x1 << PSW_offHSS ) +#define PSW_mskDRBE ( 0x1 << PSW_offDRBE ) +#define PSW_mskAEN ( 0x1 << PSW_offAEN ) +#define PSW_mskWBNA ( 0x1 << PSW_offWBNA ) +#define PSW_mskIFCON ( 0x1 << PSW_offIFCON ) +#define PSW_mskCPL ( 0x7 << PSW_offCPL ) + +#define PSW_SYSTEM ( 1 << PSW_offPOM ) +#define PSW_INTL_1 ( 1 << PSW_offINTL ) +#define PSW_CPL_NO ( 0 << PSW_offCPL ) +#define PSW_CPL_ANY ( 7 << PSW_offCPL ) + +#define PSW_clr (PSW_mskGIE|PSW_mskINTL|PSW_mskPOM|PSW_mskIT|PSW_mskDT|PSW_mskIME|PSW_mskWBNA) +#ifdef __NDS32_EB__ +#ifdef CONFIG_WBNA +#define PSW_init (PSW_mskWBNA|(1<<PSW_offINTL)|(1<<PSW_offPOM)|PSW_mskIT|PSW_mskDT|PSW_mskBE) +#else +#define PSW_init ((1<<PSW_offINTL)|(1<<PSW_offPOM)|PSW_mskIT|PSW_mskDT|PSW_mskBE) +#endif +#else +#ifdef CONFIG_WBNA +#define PSW_init (PSW_mskWBNA|(1<<PSW_offINTL)|(1<<PSW_offPOM)|PSW_mskIT|PSW_mskDT) +#else +#define PSW_init ((1<<PSW_offINTL)|(1<<PSW_offPOM)|PSW_mskIT|PSW_mskDT) +#endif +#endif +/****************************************************************************** + * ir3: IVB (Interruption Vector Base Register) + *****************************************************************************/ +/* bit 0:12 reserved */ +#define IVB_offNIVIC 1 /* Number of input for IVIC Controller */ +#define IVB_offIVIC_VER 11 /* IVIC Version */ +#define IVB_offEVIC 13 /* External Vector Interrupt Controller mode */ +#define IVB_offESZ 14 /* Size of each vector entry */ +#define IVB_offIVBASE 16 /* BasePA of interrupt vector table */ + +#define IVB_mskNIVIC ( 0x7 << IVB_offNIVIC ) +#define IVB_mskIVIC_VER ( 0x3 << IVB_offIVIC_VER ) +#define IVB_mskEVIC ( 0x1 << IVB_offEVIC ) +#define IVB_mskESZ ( 0x3 << IVB_offESZ ) +#define IVB_mskIVBASE ( 0xFFFF << IVB_offIVBASE ) + +#define IVB_valESZ4 0 +#define IVB_valESZ16 1 +#define IVB_valESZ64 2 +#define IVB_valESZ256 3 +/****************************************************************************** + * ir4: EVA (Exception Virtual Address Register) + * ir5: P_EVA (Previous EVA Register) + *****************************************************************************/ + + /* This register contains the VA that causes the exception */ + +/****************************************************************************** + * ir6: ITYPE (Interruption Type Register) + * ir7: P_ITYPE (Previous ITYPE Register) + *****************************************************************************/ +#define ITYPE_offETYPE 0 /* Exception Type */ +#define ITYPE_offINST 4 /* Exception caused by insn fetch or data access */ +/* bit 5:15 reserved */ +#define ITYPE_offVECTOR 5 /* Vector */ +#define ITYPE_offSWID 16 /* SWID of debugging exception */ +/* bit 31:31 reserved */ + +#define ITYPE_mskETYPE ( 0xF << ITYPE_offETYPE ) +#define ITYPE_mskINST ( 0x1 << ITYPE_offINST ) +#define ITYPE_mskVECTOR ( 0x7F << ITYPE_offVECTOR ) +#define ITYPE_mskSWID ( 0x7FFF << ITYPE_offSWID ) + +/* Additional definitions for ITYPE register */ +#define ITYPE_offSTYPE 16 /* Arithmetic Sub Type */ +#define ITYPE_offCPID 20 /* Co-Processor ID which generate the exception */ + +#define ITYPE_mskSTYPE ( 0xF << ITYPE_offSTYPE ) +#define ITYPE_mskCPID ( 0x3 << ITYPE_offCPID ) + +#define NDS32_VECTOR_mskNONEXCEPTION 0x78 +#define NDS32_VECTOR_offEXCEPTION 8 +#define NDS32_VECTOR_offINTERRUPT 9 + +/* Interrupt vector entry */ +#define ENTRY_RESET_NMI 0 +#define ENTRY_TLB_FILL 1 +#define ENTRY_PTE_NOT_PRESENT 2 +#define ENTRY_TLB_MISC 3 +#define ENTRY_TLB_VLPT_MISS 4 +#define ENTRY_MACHINE_ERROR 5 +#define ENTRY_DEBUG_RELATED 6 +#define ENTRY_GENERAL_EXCPETION 7 +#define ENTRY_SYSCALL 8 + +/* PTE not present exception definition */ +#define ETYPE_NON_LEAF_PTE_NOT_PRESENT 0 +#define ETYPE_LEAF_PTE_NOT_PRESENT 1 + +/* General exception ETYPE definition */ +#define ETYPE_ALIGNMENT_CHECK 0 +#define ETYPE_RESERVED_INSTRUCTION 1 +#define ETYPE_TRAP 2 +#define ETYPE_ARITHMETIC 3 +#define ETYPE_PRECISE_BUS_ERROR 4 +#define ETYPE_IMPRECISE_BUS_ERROR 5 +#define ETYPE_COPROCESSOR 6 +#define ETYPE_RESERVED_VALUE 7 +#define ETYPE_NONEXISTENT_MEM_ADDRESS 8 +#define ETYPE_MPZIU_CONTROL 9 +#define ETYPE_NEXT_PRECISE_STACK_OFL 10 + +/* Kerenl reserves software ID */ +#define SWID_RAISE_INTERRUPT_LEVEL 0x1a /* SWID_RAISE_INTERRUPT_LEVEL is used to + * raise interrupt level for debug exception + */ + +/****************************************************************************** + * ir8: MERR (Machine Error Log Register) + *****************************************************************************/ +/* bit 0:30 reserved */ +#define MERR_offBUSERR 31 /* Bus error caused by a load insn */ + +#define MERR_mskBUSERR ( 0x1 << MERR_offBUSERR ) + +/****************************************************************************** + * ir9: IPC (Interruption Program Counter Register) + * ir10: P_IPC (Previous IPC Register) + * ir11: OIPC (Overflow Interruption Program Counter Register) + *****************************************************************************/ + + /* This is the shadow stack register of the Program Counter */ + +/****************************************************************************** + * ir12: P_P0 (Previous P0 Register) + * ir13: P_P1 (Previous P1 Register) + *****************************************************************************/ + + /* These are shadow registers of $p0 and $p1 */ + +/****************************************************************************** + * ir14: INT_MASK (Interruption Masking Register) + *****************************************************************************/ +#define INT_MASK_offH0IM 0 /* Hardware Interrupt 0 Mask bit */ +#define INT_MASK_offH1IM 1 /* Hardware Interrupt 1 Mask bit */ +#define INT_MASK_offH2IM 2 /* Hardware Interrupt 2 Mask bit */ +#define INT_MASK_offH3IM 3 /* Hardware Interrupt 3 Mask bit */ +#define INT_MASK_offH4IM 4 /* Hardware Interrupt 4 Mask bit */ +#define INT_MASK_offH5IM 5 /* Hardware Interrupt 5 Mask bit */ +/* bit 6:15 reserved */ +#define INT_MASK_offSIM 16 /* Software Interrupt Mask bit */ +/* bit 17:29 reserved */ +#define INT_MASK_offIDIVZE 30 /* Enable detection for Divide-By-Zero */ +#define INT_MASK_offDSSIM 31 /* Default Single Stepping Interruption Mask */ + +#define INT_MASK_mskH0IM ( 0x1 << INT_MASK_offH0IM ) +#define INT_MASK_mskH1IM ( 0x1 << INT_MASK_offH1IM ) +#define INT_MASK_mskH2IM ( 0x1 << INT_MASK_offH2IM ) +#define INT_MASK_mskH3IM ( 0x1 << INT_MASK_offH3IM ) +#define INT_MASK_mskH4IM ( 0x1 << INT_MASK_offH4IM ) +#define INT_MASK_mskH5IM ( 0x1 << INT_MASK_offH5IM ) +#define INT_MASK_mskSIM ( 0x1 << INT_MASK_offSIM ) +#define INT_MASK_mskIDIVZE ( 0x1 << INT_MASK_offIDIVZE ) +#define INT_MASK_mskDSSIM ( 0x1 << INT_MASK_offDSSIM ) + +#define INT_MASK_INITAIAL_VAL 0x10003 + +/****************************************************************************** + * ir15: INT_PEND (Interrupt Pending Register) + *****************************************************************************/ +#define INT_PEND_offH0I 0 /* Hardware Interrupt 0 pending bit */ +#define INT_PEND_offH1I 1 /* Hardware Interrupt 1 pending bit */ +#define INT_PEND_offH2I 2 /* Hardware Interrupt 2 pending bit */ +#define INT_PEND_offH3I 3 /* Hardware Interrupt 3 pending bit */ +#define INT_PEND_offH4I 4 /* Hardware Interrupt 4 pending bit */ +#define INT_PEND_offH5I 5 /* Hardware Interrupt 5 pending bit */ + +#define INT_PEND_offCIPL 0 /* Current Interrupt Priority Level */ + +/* bit 6:15 reserved */ +#define INT_PEND_offSWI 16 /* Software Interrupt pending bit */ +/* bit 17:31 reserved */ + +#define INT_PEND_mskH0I ( 0x1 << INT_PEND_offH0I ) +#define INT_PEND_mskH1I ( 0x1 << INT_PEND_offH1I ) +#define INT_PEND_mskH2I ( 0x1 << INT_PEND_offH2I ) +#define INT_PEND_mskH3I ( 0x1 << INT_PEND_offH3I ) +#define INT_PEND_mskH4I ( 0x1 << INT_PEND_offH4I ) +#define INT_PEND_mskH5I ( 0x1 << INT_PEND_offH5I ) +#define INT_PEND_mskCIPL ( 0x1 << INT_PEND_offCIPL ) +#define INT_PEND_mskSWI ( 0x1 << INT_PEND_offSWI ) + +/****************************************************************************** + * mr0: MMU_CTL (MMU Control Register) + *****************************************************************************/ +#define MMU_CTL_offD 0 /* Default minimum page size */ +#define MMU_CTL_offNTC0 1 /* Non-Translated Cachebility of partition 0 */ +#define MMU_CTL_offNTC1 3 /* Non-Translated Cachebility of partition 1 */ +#define MMU_CTL_offNTC2 5 /* Non-Translated Cachebility of partition 2 */ +#define MMU_CTL_offNTC3 7 /* Non-Translated Cachebility of partition 3 */ +#define MMU_CTL_offTBALCK 9 /* TLB all-lock resolution scheme */ +#define MMU_CTL_offMPZIU 10 /* Multiple Page Size In Use bit */ +#define MMU_CTL_offNTM0 11 /* Non-Translated VA to PA of partition 0 */ +#define MMU_CTL_offNTM1 13 /* Non-Translated VA to PA of partition 1 */ +#define MMU_CTL_offNTM2 15 /* Non-Translated VA to PA of partition 2 */ +#define MMU_CTL_offNTM3 17 /* Non-Translated VA to PA of partition 3 */ +#define MMU_CTL_offUNA 23 /* Unaligned access */ +/* bit 24:31 reserved */ + +#define MMU_CTL_mskD ( 0x1 << MMU_CTL_offD ) +#define MMU_CTL_mskNTC0 ( 0x3 << MMU_CTL_offNTC0 ) +#define MMU_CTL_mskNTC1 ( 0x3 << MMU_CTL_offNTC1 ) +#define MMU_CTL_mskNTC2 ( 0x3 << MMU_CTL_offNTC2 ) +#define MMU_CTL_mskNTC3 ( 0x3 << MMU_CTL_offNTC3 ) +#define MMU_CTL_mskTBALCK ( 0x1 << MMU_CTL_offTBALCK ) +#define MMU_CTL_mskMPZIU ( 0x1 << MMU_CTL_offMPZIU ) +#define MMU_CTL_mskNTM0 ( 0x3 << MMU_CTL_offNTM0 ) +#define MMU_CTL_mskNTM1 ( 0x3 << MMU_CTL_offNTM1 ) +#define MMU_CTL_mskNTM2 ( 0x3 << MMU_CTL_offNTM2 ) +#define MMU_CTL_mskNTM3 ( 0x3 << MMU_CTL_offNTM3 ) + +#define MMU_CTL_D4KB 0 +#define MMU_CTL_D8KB 1 +#define MMU_CTL_UNA ( 0x1 << MMU_CTL_offUNA ) + +#define MMU_CTL_CACHEABLE_WB 2 +#define MMU_CTL_CACHEABLE_WT 3 + +/****************************************************************************** + * mr1: L1_PPTB (L1 Physical Page Table Base Register) + *****************************************************************************/ +#define L1_PPTB_offNV 0 /* Enable Hardware Page Table Walker (HPTWK) */ +/* bit 1:11 reserved */ +#define L1_PPTB_offBASE 12 /* First level physical page table base address */ + +#define L1_PPTB_mskNV ( 0x1 << L1_PPTB_offNV ) +#define L1_PPTB_mskBASE ( 0xFFFFF << L1_PPTB_offBASE ) + +/****************************************************************************** + * mr2: TLB_VPN (TLB Access VPN Register) + *****************************************************************************/ +/* bit 0:11 reserved */ +#define TLB_VPN_offVPN 12 /* Virtual Page Number */ + +#define TLB_VPN_mskVPN ( 0xFFFFF << TLB_VPN_offVPN ) + +/****************************************************************************** + * mr3: TLB_DATA (TLB Access Data Register) + *****************************************************************************/ +#define TLB_DATA_offV 0 /* PTE is valid and present */ +#define TLB_DATA_offM 1 /* Page read/write access privilege */ +#define TLB_DATA_offD 4 /* Dirty bit */ +#define TLB_DATA_offX 5 /* Executable bit */ +#define TLB_DATA_offA 6 /* Access bit */ +#define TLB_DATA_offG 7 /* Global page (shared across contexts) */ +#define TLB_DATA_offC 8 /* Cacheability atribute */ +/* bit 11:11 reserved */ +#define TLB_DATA_offPPN 12 /* Phisical Page Number */ + +#define TLB_DATA_mskV ( 0x1 << TLB_DATA_offV ) +#define TLB_DATA_mskM ( 0x7 << TLB_DATA_offM ) +#define TLB_DATA_mskD ( 0x1 << TLB_DATA_offD ) +#define TLB_DATA_mskX ( 0x1 << TLB_DATA_offX ) +#define TLB_DATA_mskA ( 0x1 << TLB_DATA_offA ) +#define TLB_DATA_mskG ( 0x1 << TLB_DATA_offG ) +#define TLB_DATA_mskC ( 0x7 << TLB_DATA_offC ) +#define TLB_DATA_mskPPN ( 0xFFFFF << TLB_DATA_offPPN ) + +#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH +#define TLB_DATA_kernel_text_attr (TLB_DATA_mskV|TLB_DATA_mskM|TLB_DATA_mskD|TLB_DATA_mskX|TLB_DATA_mskG|TLB_DATA_mskC) +#else +#define TLB_DATA_kernel_text_attr (TLB_DATA_mskV|TLB_DATA_mskM|TLB_DATA_mskD|TLB_DATA_mskX|TLB_DATA_mskG|(0x6 << TLB_DATA_offC)) +#endif + +/****************************************************************************** + * mr4: TLB_MISC (TLB Access Misc Register) + *****************************************************************************/ +#define TLB_MISC_offACC_PSZ 0 /* Page size of a PTE entry */ +#define TLB_MISC_offCID 4 /* Context id */ +/* bit 13:31 reserved */ + +#define TLB_MISC_mskACC_PSZ ( 0xF << TLB_MISC_offACC_PSZ ) +#define TLB_MISC_mskCID ( 0x1FF << TLB_MISC_offCID ) + +/****************************************************************************** + * mr5: VLPT_IDX (Virtual Linear Page Table Index Register) + *****************************************************************************/ +#define VLPT_IDX_offZERO 0 /* Always 0 */ +#define VLPT_IDX_offEVPN 2 /* Exception Virtual Page Number */ +#define VLPT_IDX_offVLPTB 22 /* Base VA of VLPT */ + +#define VLPT_IDX_mskZERO ( 0x3 << VLPT_IDX_offZERO ) +#define VLPT_IDX_mskEVPN ( 0xFFFFF << VLPT_IDX_offEVPN ) +#define VLPT_IDX_mskVLPTB ( 0x3FF << VLPT_IDX_offVLPTB ) + +/****************************************************************************** + * mr6: ILMB (Instruction Local Memory Base Register) + *****************************************************************************/ +#define ILMB_offIEN 0 /* Enable ILM */ +#define ILMB_offILMSZ 1 /* Size of ILM */ +/* bit 5:19 reserved */ +#define ILMB_offIBPA 20 /* Base PA of ILM */ + +#define ILMB_mskIEN ( 0x1 << ILMB_offIEN ) +#define ILMB_mskILMSZ ( 0xF << ILMB_offILMSZ ) +#define ILMB_mskIBPA ( 0xFFF << ILMB_offIBPA ) + +/****************************************************************************** + * mr7: DLMB (Data Local Memory Base Register) + *****************************************************************************/ +#define DLMB_offDEN 0 /* Enable DLM */ +#define DLMB_offDLMSZ 1 /* Size of DLM */ +#define DLMB_offDBM 5 /* Enable Double-Buffer Mode for DLM */ +#define DLMB_offDBB 6 /* Double-buffer bank which can be accessed by the processor */ +/* bit 7:19 reserved */ +#define DLMB_offDBPA 20 /* Base PA of DLM */ + +#define DLMB_mskDEN ( 0x1 << DLMB_offDEN ) +#define DLMB_mskDLMSZ ( 0xF << DLMB_offDLMSZ ) +#define DLMB_mskDBM ( 0x1 << DLMB_offDBM ) +#define DLMB_mskDBB ( 0x1 << DLMB_offDBB ) +#define DLMB_mskDBPA ( 0xFFF << DLMB_offDBPA ) + +/****************************************************************************** + * mr8: CACHE_CTL (Cache Control Register) + *****************************************************************************/ +#define CACHE_CTL_offIC_EN 0 /* Enable I-cache */ +#define CACHE_CTL_offDC_EN 1 /* Enable D-cache */ +#define CACHE_CTL_offICALCK 2 /* I-cache all-lock resolution scheme */ +#define CACHE_CTL_offDCALCK 3 /* D-cache all-lock resolution scheme */ +#define CACHE_CTL_offDCCWF 4 /* Enable D-cache Critical Word Forwarding */ +#define CACHE_CTL_offDCPMW 5 /* Enable D-cache concurrent miss and write-back processing */ +/* bit 6:31 reserved */ + +#define CACHE_CTL_mskIC_EN ( 0x1 << CACHE_CTL_offIC_EN ) +#define CACHE_CTL_mskDC_EN ( 0x1 << CACHE_CTL_offDC_EN ) +#define CACHE_CTL_mskICALCK ( 0x1 << CACHE_CTL_offICALCK ) +#define CACHE_CTL_mskDCALCK ( 0x1 << CACHE_CTL_offDCALCK ) +#define CACHE_CTL_mskDCCWF ( 0x1 << CACHE_CTL_offDCCWF ) +#define CACHE_CTL_mskDCPMW ( 0x1 << CACHE_CTL_offDCPMW ) + +/****************************************************************************** + * mr9: HSMP_SADDR (High Speed Memory Port Starting Address) + *****************************************************************************/ +#define HSMP_SADDR_offEN 0 /* Enable control bit for the High Speed Memory port */ +/* bit 1:19 reserved */ + +#define HSMP_SADDR_offRANGE 1 /* Denote the address range (only defined in HSMP v2 ) */ +#define HSMP_SADDR_offSADDR 20 /* Starting base PA of the High Speed Memory Port region */ + +#define HSMP_SADDR_mskEN ( 0x1 << HSMP_SADDR_offEN ) +#define HSMP_SADDR_mskRANGE ( 0xFFF << HSMP_SADDR_offRANGE ) +#define HSMP_SADDR_mskSADDR ( 0xFFF << HSMP_SADDR_offSADDR ) + +/****************************************************************************** + * mr10: HSMP_EADDR (High Speed Memory Port Ending Address) + *****************************************************************************/ +/* bit 0:19 reserved */ +#define HSMP_EADDR_offEADDR 20 + +#define HSMP_EADDR_mskEADDR ( 0xFFF << HSMP_EADDR_offEADDR ) + +/****************************************************************************** + * dr0+(n*5): BPCn (n=0-7) (Breakpoint Control Register) + *****************************************************************************/ +#define BPC_offWP 0 /* Configuration of BPAn */ +#define BPC_offEL 1 /* Enable BPAn */ +#define BPC_offS 2 /* Data address comparison for a store instruction */ +#define BPC_offP 3 /* Compared data address is PA */ +#define BPC_offC 4 /* CID value is compared with the BPCIDn register */ +#define BPC_offBE0 5 /* Enable byte mask for the comparison with register */ +#define BPC_offBE1 6 /* Enable byte mask for the comparison with register */ +#define BPC_offBE2 7 /* Enable byte mask for the comparison with register */ +#define BPC_offBE3 8 /* Enable byte mask for the comparison with register */ +#define BPC_offT 9 /* Enable breakpoint Embedded Tracer triggering operation */ + +#define BPC_mskWP ( 0x1 << BPC_offWP ) +#define BPC_mskEL ( 0x1 << BPC_offEL ) +#define BPC_mskS ( 0x1 << BPC_offS ) +#define BPC_mskP ( 0x1 << BPC_offP ) +#define BPC_mskC ( 0x1 << BPC_offC ) +#define BPC_mskBE0 ( 0x1 << BPC_offBE0 ) +#define BPC_mskBE1 ( 0x1 << BPC_offBE1 ) +#define BPC_mskBE2 ( 0x1 << BPC_offBE2 ) +#define BPC_mskBE3 ( 0x1 << BPC_offBE3 ) +#define BPC_mskT ( 0x1 << BPC_offT ) + +/****************************************************************************** + * dr1+(n*5): BPAn (n=0-7) (Breakpoint Address Register) + *****************************************************************************/ + + /* These registers contain break point address */ + +/****************************************************************************** + * dr2+(n*5): BPAMn (n=0-7) (Breakpoint Address Mask Register) + *****************************************************************************/ + + /* These registerd contain the address comparison mask for the BPAn register */ + +/****************************************************************************** + * dr3+(n*5): BPVn (n=0-7) Breakpoint Data Value Register + *****************************************************************************/ + + /* The BPVn register contains the data value that will be compared with the + * incoming load/store data value */ + +/****************************************************************************** + * dr4+(n*5): BPCIDn (n=0-7) (Breakpoint Context ID Register) + *****************************************************************************/ +#define BPCID_offCID 0 /* CID that will be compared with a process's CID */ +/* bit 9:31 reserved */ + +#define BPCID_mskCID ( 0x1FF << BPCID_offCID ) + +/****************************************************************************** + * dr40: EDM_CFG (EDM Configuration Register) + *****************************************************************************/ +#define EDM_CFG_offBC 0 /* Number of hardware breakpoint sets implemented */ +#define EDM_CFG_offDIMU 3 /* Debug Instruction Memory Unit exists */ +/* bit 4:15 reserved */ +#define EDM_CFG_offVER 16 /* EDM version */ + +#define EDM_CFG_mskBC ( 0x7 << EDM_CFG_offBC ) +#define EDM_CFG_mskDIMU ( 0x1 << EDM_CFG_offDIMU ) +#define EDM_CFG_mskVER ( 0xFFFF << EDM_CFG_offVER ) + +/****************************************************************************** + * dr41: EDMSW (EDM Status Word) + *****************************************************************************/ +#define EDMSW_offWV 0 /* Write Valid */ +#define EDMSW_offRV 1 /* Read Valid */ +#define EDMSW_offDE 2 /* Debug exception has occurred for this core */ +/* bit 3:31 reserved */ + +#define EDMSW_mskWV ( 0x1 << EDMSW_offWV ) +#define EDMSW_mskRV ( 0x1 << EDMSW_offRV ) +#define EDMSW_mskDE ( 0x1 << EDMSW_offDE ) + +/****************************************************************************** + * dr42: EDM_CTL (EDM Control Register) + *****************************************************************************/ +/* bit 0:30 reserved */ +#define EDM_CTL_offV3_EDM_MODE 6 /* EDM compatibility control bit */ +#define EDM_CTL_offDEH_SEL 31 /* Controls where debug exception is directed to */ + +#define EDM_CTL_mskV3_EDM_MODE ( 0x1 << EDM_CTL_offV3_EDM_MODE ) +#define EDM_CTL_mskDEH_SEL ( 0x1 << EDM_CTL_offDEH_SEL ) + +/****************************************************************************** + * dr43: EDM_DTR (EDM Data Transfer Register) + *****************************************************************************/ + + /* This is used to exchange data between the embedded EDM logic + * and the processor core */ + +/****************************************************************************** + * dr44: BPMTC (Breakpoint Match Trigger Counter Register) + *****************************************************************************/ +#define BPMTC_offBPMTC 0 /* Breakpoint match trigger counter value */ +/* bit 16:31 reserved */ + +#define BPMTC_mskBPMTC ( 0xFFFF << BPMTC_offBPMTC ) + +/****************************************************************************** + * dr45: DIMBR (Debug Instruction Memory Base Register) + *****************************************************************************/ +/* bit 0:11 reserved */ +#define DIMBR_offDIMB 12 /* Base address of the Debug Instruction Memory (DIM) */ +#define DIMBR_mskDIMB ( 0xFFFFF << DIMBR_offDIMB ) + +/****************************************************************************** + * dr46: TECR0(Trigger Event Control register 0) + * dr47: TECR1 (Trigger Event Control register 1) + *****************************************************************************/ +#define TECR_offBP 0 /* Controld which BP is used as a trigger source */ +#define TECR_offNMI 8 /* Use NMI as a trigger source */ +#define TECR_offHWINT 9 /* Corresponding interrupt is used as a trigger source */ +#define TECR_offEVIC 15 /* Enable HWINT as a trigger source in EVIC mode */ +#define TECR_offSYS 16 /* Enable SYSCALL instruction as a trigger source */ +#define TECR_offDBG 17 /* Enable debug exception as a trigger source */ +#define TECR_offMRE 18 /* Enable MMU related exception as a trigger source */ +#define TECR_offE 19 /* An exception is used as a trigger source */ +/* bit 20:30 reserved */ +#define TECR_offL 31 /* Link/Cascade TECR0 trigger event to TECR1 trigger event */ + +#define TECR_mskBP ( 0xFF << TECR_offBP ) +#define TECR_mskNMI ( 0x1 << TECR_offBNMI ) +#define TECR_mskHWINT ( 0x3F << TECR_offBHWINT ) +#define TECR_mskEVIC ( 0x1 << TECR_offBEVIC ) +#define TECR_mskSYS ( 0x1 << TECR_offBSYS ) +#define TECR_mskDBG ( 0x1 << TECR_offBDBG ) +#define TECR_mskMRE ( 0x1 << TECR_offBMRE ) +#define TECR_mskE ( 0x1 << TECR_offE ) +#define TECR_mskL ( 0x1 << TECR_offL ) + +/****************************************************************************** + * pfr0-2: PFMC0-2 (Performance Counter Register 0-2) + *****************************************************************************/ + + /* These registers contains performance event count */ + +/****************************************************************************** + * pfr3: PFM_CTL (Performance Counter Control Register) + *****************************************************************************/ +#define PFM_CTL_offEN0 0 /* Enable PFMC0 */ +#define PFM_CTL_offEN1 1 /* Enable PFMC1 */ +#define PFM_CTL_offEN2 2 /* Enable PFMC2 */ +#define PFM_CTL_offIE0 3 /* Enable interrupt for PFMC0 */ +#define PFM_CTL_offIE1 4 /* Enable interrupt for PFMC1 */ +#define PFM_CTL_offIE2 5 /* Enable interrupt for PFMC2 */ +#define PFM_CTL_offOVF0 6 /* Overflow bit of PFMC0 */ +#define PFM_CTL_offOVF1 7 /* Overflow bit of PFMC1 */ +#define PFM_CTL_offOVF2 8 /* Overflow bit of PFMC2 */ +#define PFM_CTL_offKS0 9 /* Enable superuser mode event counting for PFMC0 */ +#define PFM_CTL_offKS1 10 /* Enable superuser mode event counting for PFMC1 */ +#define PFM_CTL_offKS2 11 /* Enable superuser mode event counting for PFMC2 */ +#define PFM_CTL_offKU0 12 /* Enable user mode event counting for PFMC0 */ +#define PFM_CTL_offKU1 13 /* Enable user mode event counting for PFMC1 */ +#define PFM_CTL_offKU2 14 /* Enable user mode event counting for PFMC2 */ +#define PFM_CTL_offSEL0 15 /* The event selection for PFMC0 */ +#define PFM_CTL_offSEL1 21 /* The event selection for PFMC1 */ +#define PFM_CTL_offSEL2 27 /* The event selection for PFMC2 */ +/* bit 28:31 reserved */ + +#define PFM_CTL_mskEN0 ( 0x01 << PFM_CTL_offEN0 ) +#define PFM_CTL_mskEN1 ( 0x01 << PFM_CTL_offEN1 ) +#define PFM_CTL_mskEN2 ( 0x01 << PFM_CTL_offEN2 ) +#define PFM_CTL_mskIE0 ( 0x01 << PFM_CTL_offIE0 ) +#define PFM_CTL_mskIE1 ( 0x01 << PFM_CTL_offIE1 ) +#define PFM_CTL_mskIE2 ( 0x01 << PFM_CTL_offIE2 ) +#define PFM_CTL_mskOVF0 ( 0x01 << PFM_CTL_offOVF0 ) +#define PFM_CTL_mskOVF1 ( 0x01 << PFM_CTL_offOVF1 ) +#define PFM_CTL_mskOVF2 ( 0x01 << PFM_CTL_offOVF2 ) +#define PFM_CTL_mskKS0 ( 0x01 << PFM_CTL_offKS0 ) +#define PFM_CTL_mskKS1 ( 0x01 << PFM_CTL_offKS1 ) +#define PFM_CTL_mskKS2 ( 0x01 << PFM_CTL_offKS2 ) +#define PFM_CTL_mskKU0 ( 0x01 << PFM_CTL_offKU0 ) +#define PFM_CTL_mskKU1 ( 0x01 << PFM_CTL_offKU1 ) +#define PFM_CTL_mskKU2 ( 0x01 << PFM_CTL_offKU2 ) +#define PFM_CTL_mskSEL0 ( 0x01 << PFM_CTL_offSEL0 ) +#define PFM_CTL_mskSEL1 ( 0x3F << PFM_CTL_offSEL1 ) +#define PFM_CTL_mskSEL2 ( 0x3F << PFM_CTL_offSEL2 ) + +/****************************************************************************** + * SDZ_CTL (Structure Downsizing Control Register) + *****************************************************************************/ +#define SDZ_CTL_offICDZ 0 /* I-cache downsizing control */ +#define SDZ_CTL_offDCDZ 3 /* D-cache downsizing control */ +#define SDZ_CTL_offMTBDZ 6 /* MTLB downsizing control */ +#define SDZ_CTL_offBTBDZ 9 /* Branch Target Table downsizing control */ +/* bit 12:31 reserved */ +#define SDZ_CTL_mskICDZ ( 0x07 << SDZ_CTL_offICDZ ) +#define SDZ_CTL_mskDCDZ ( 0x07 << SDZ_CTL_offDCDZ ) +#define SDZ_CTL_mskMTBDZ ( 0x07 << SDZ_CTL_offMTBDZ ) +#define SDZ_CTL_mskBTBDZ ( 0x07 << SDZ_CTL_offBTBDZ ) + +/****************************************************************************** + * N13MISC_CTL (N13 Miscellaneous Control Register) + *****************************************************************************/ +#define N13MISC_CTL_offBTB 0 /* Disable Branch Target Buffer */ +#define N13MISC_CTL_offRTP 1 /* Disable Return Target Predictor */ +#define N13MISC_CTL_offPTEPF 2 /* Disable HPTWK L2 PTE pefetch */ +#define N13MISC_CTL_offSP_SHADOW_EN 4 /* Enable shadow stack pointers */ +/* bit 6, 9:31 reserved */ + +#define N13MISC_CTL_makBTB ( 0x1 << N13MISC_CTL_offBTB ) +#define N13MISC_CTL_makRTP ( 0x1 << N13MISC_CTL_offRTP ) +#define N13MISC_CTL_makPTEPF ( 0x1 << N13MISC_CTL_offPTEPF ) +#define N13MISC_CTL_makSP_SHADOW_EN ( 0x1 << N13MISC_CTL_offSP_SHADOW_EN ) + +#define MISC_init (N13MISC_CTL_makBTB|N13MISC_CTL_makRTP|N13MISC_CTL_makSP_SHADOW_EN) + +/****************************************************************************** + * PRUSR_ACC_CTL (Privileged Resource User Access Control Registers) + *****************************************************************************/ +#define PRUSR_ACC_CTL_offDMA_EN 0 /* Allow user mode access of DMA registers */ +#define PRUSR_ACC_CTL_offPFM_EN 1 /* Allow user mode access of PFM registers */ + +#define PRUSR_ACC_CTL_mskDMA_EN ( 0x1 << PRUSR_ACC_CTL_offDMA_EN ) +#define PRUSR_ACC_CTL_mskPFM_EN ( 0x1 << PRUSR_ACC_CTL_offPFM_EN ) + +/****************************************************************************** + * dmar0: DMA_CFG (DMA Configuration Register) + *****************************************************************************/ +#define DMA_CFG_offNCHN 0 /* The number of DMA channels implemented */ +#define DMA_CFG_offUNEA 2 /* Un-aligned External Address transfer feature */ +#define DMA_CFG_off2DET 3 /* 2-D Element Transfer feature */ +/* bit 4:15 reserved */ +#define DMA_CFG_offVER 16 /* DMA architecture and implementation version */ + +#define DMA_CFG_mskNCHN ( 0x3 << DMA_CFG_offNCHN ) +#define DMA_CFG_mskUNEA ( 0x1 << DMA_CFG_offUNEA ) +#define DMA_CFG_msk2DET ( 0x1 << DMA_CFG_off2DET ) +#define DMA_CFG_mskVER ( 0xFFFF << DMA_CFG_offVER ) + +/****************************************************************************** + * dmar1: DMA_GCSW (DMA Global Control and Status Word Register) + *****************************************************************************/ +#define DMA_GCSW_offC0STAT 0 /* DMA channel 0 state */ +#define DMA_GCSW_offC1STAT 3 /* DMA channel 1 state */ +/* bit 6:11 reserved */ +#define DMA_GCSW_offC0INT 12 /* DMA channel 0 generate interrupt */ +#define DMA_GCSW_offC1INT 13 /* DMA channel 1 generate interrupt */ +/* bit 14:30 reserved */ +#define DMA_GCSW_offEN 31 /* Enable DMA engine */ + +#define DMA_GCSW_mskC0STAT ( 0x7 << DMA_GCSW_offC0STAT ) +#define DMA_GCSW_mskC1STAT ( 0x7 << DMA_GCSW_offC1STAT ) +#define DMA_GCSW_mskC0INT ( 0x1 << DMA_GCSW_offC0INT ) +#define DMA_GCSW_mskC1INT ( 0x1 << DMA_GCSW_offC1INT ) +#define DMA_GCSW_mskEN ( 0x1 << DMA_GCSW_offEN ) + +/****************************************************************************** + * dmar2: DMA_CHNSEL (DMA Channel Selection Register) + *****************************************************************************/ +#define DMA_CHNSEL_offCHAN 0 /* Selected channel number */ +/* bit 2:31 reserved */ + +#define DMA_CHNSEL_mskCHAN ( 0x3 << DMA_CHNSEL_offCHAN ) + +/****************************************************************************** + * dmar3: DMA_ACT (DMA Action Register) + *****************************************************************************/ +#define DMA_ACT_offACMD 0 /* DMA Action Command */ +/* bit 2:31 reserved */ +#define DMA_ACT_mskACMD ( 0x3 << DMA_ACT_offACMD ) + +/****************************************************************************** + * dmar4: DMA_SETUP (DMA Setup Register) + *****************************************************************************/ +#define DMA_SETUP_offLM 0 /* Local Memory Selection */ +#define DMA_SETUP_offTDIR 1 /* Transfer Direction */ +#define DMA_SETUP_offTES 2 /* Transfer Element Size */ +#define DMA_SETUP_offESTR 4 /* External memory transfer Stride */ +#define DMA_SETUP_offCIE 16 /* Interrupt Enable on Completion */ +#define DMA_SETUP_offSIE 17 /* Interrupt Enable on explicit Stop */ +#define DMA_SETUP_offEIE 18 /* Interrupt Enable on Error */ +#define DMA_SETUP_offUE 19 /* Enable the Un-aligned External Address */ +#define DMA_SETUP_off2DE 20 /* Enable the 2-D External Transfer */ +#define DMA_SETUP_offCOA 21 /* Transfer Coalescable */ +/* bit 22:31 reserved */ + +#define DMA_SETUP_mskLM ( 0x1 << DMA_SETUP_offLM ) +#define DMA_SETUP_mskTDIR ( 0x1 << DMA_SETUP_offTDIR ) +#define DMA_SETUP_mskTES ( 0x3 << DMA_SETUP_offTES ) +#define DMA_SETUP_mskESTR ( 0xFFF << DMA_SETUP_offESTR ) +#define DMA_SETUP_mskCIE ( 0x1 << DMA_SETUP_offCIE ) +#define DMA_SETUP_mskSIE ( 0x1 << DMA_SETUP_offSIE ) +#define DMA_SETUP_mskEIE ( 0x1 << DMA_SETUP_offEIE ) +#define DMA_SETUP_mskUE ( 0x1 << DMA_SETUP_offUE ) +#define DMA_SETUP_msk2DE ( 0x1 << DMA_SETUP_off2DE ) +#define DMA_SETUP_mskCOA ( 0x1 << DMA_SETUP_offCOA ) + +/****************************************************************************** + * dmar5: DMA_ISADDR (DMA Internal Start Address Register) + *****************************************************************************/ +#define DMA_ISADDR_offISADDR 0 /* Internal Start Address */ +/* bit 20:31 reserved */ +#define DMA_ISADDR_mskISADDR ( 0xFFFFF << DMA_ISADDR_offISADDR ) + +/****************************************************************************** + * dmar6: DMA_ESADDR (DMA External Start Address Register) + *****************************************************************************/ +/* This register holds External Start Address */ + +/****************************************************************************** + * dmar7: DMA_TCNT (DMA Transfer Element Count Register) + *****************************************************************************/ +#define DMA_TCNT_offTCNT 0 /* DMA transfer element count */ +/* bit 18:31 reserved */ +#define DMA_TCNT_mskTCNT ( 0x3FFFF << DMA_TCNT_offTCNT ) + +/****************************************************************************** + * dmar8: DMA_STATUS (DMA Status Register) + *****************************************************************************/ +#define DMA_STATUS_offSTAT 0 /* DMA channel state */ +#define DMA_STATUS_offSTUNA 3 /* Un-aligned error on External Stride value */ +#define DMA_STATUS_offDERR 4 /* DMA Transfer Disruption Error */ +#define DMA_STATUS_offEUNA 5 /* Un-aligned error on the External address */ +#define DMA_STATUS_offIUNA 6 /* Un-aligned error on the Internal address */ +#define DMA_STATUS_offIOOR 7 /* Out-Of-Range error on the Internal address */ +#define DMA_STATUS_offEBUS 8 /* Bus Error on an External DMA transfer */ +#define DMA_STATUS_offESUP 9 /* DMA setup error */ +/* bit 10:31 reserved */ + +#define DMA_STATUS_mskSTAT ( 0x7 << DMA_STATUS_offSTAT ) +#define DMA_STATUS_mskSTUNA ( 0x1 << DMDMA_STATUS_offSTUNA ) +#define DMA_STATUS_mskDERR ( 0x1 << DMDMA_STATUS_offDERR ) +#define DMA_STATUS_mskEUNA ( 0x1 << DMDMA_STATUS_offEUNA ) +#define DMA_STATUS_mskIUNA ( 0x1 << DMDMA_STATUS_offIUNA ) +#define DMA_STATUS_mskIOOR ( 0x1 << DMDMA_STATUS_offIOOR ) +#define DMA_STATUS_mskEBUS ( 0x1 << DMDMA_STATUS_offEBUS ) +#define DMA_STATUS_mskESUP ( 0x1 << DMDMA_STATUS_offESUP ) + +/****************************************************************************** + * dmar9: DMA_2DSET (DMA 2D Setup Register) + *****************************************************************************/ +#define DMA_2DSET_offWECNT 0 /* The Width Element Count for a 2-D region */ +#define DMA_2DSET_offHTSTR 16 /* The Height Stride for a 2-D region */ + +#define DMA_2DSET_mskHTSTR ( 0xFFFF << DMA_2DSET_offHTSTR ) +#define DMA_2DSET_mskWECNT ( 0xFFFF << DMA_2DSET_offWECNT ) + +/****************************************************************************** + * dmar10: DMA_2DSCTL (DMA 2D Startup Control Register) + *****************************************************************************/ +#define DMA_2DSCTL_offSTWECNT 0 /* Startup Width Element Count for a 2-D region */ +/* bit 16:31 reserved */ + +#define DMA_2DSCTL_mskSTWECNT ( 0xFFFF << DMA_2DSCTL_offSTWECNT ) + +/****************************************************************************** + * fpcsr: FPCSR (Floating-Point Control Status Register) + *****************************************************************************/ +#define FPCSR_offRM 0 +#define FPCSR_offIVO 2 +#define FPCSR_offDBZ 3 +#define FPCSR_offOVF 4 +#define FPCSR_offUDF 5 +#define FPCSR_offIEX 6 +#define FPCSR_offIVOE 7 +#define FPCSR_offDBZE 8 +#define FPCSR_offOVFE 9 +#define FPCSR_offUDFE 10 +#define FPCSR_offIEXE 11 +#define FPCSR_offDNZ 12 +#define FPCSR_offIVOT 13 +#define FPCSR_offDBZT 14 +#define FPCSR_offOVFT 15 +#define FPCSR_offUDFT 16 +#define FPCSR_offIEXT 17 +#define FPCSR_offDNIT 18 +#define FPCSR_offRIT 19 + +#define FPCSR_mskRM ( 0x3 << FPCSR_offRM ) +#define FPCSR_mskIVO ( 0x1 << FPCSR_offIVO ) +#define FPCSR_mskDBZ ( 0x1 << FPCSR_offDBZ ) +#define FPCSR_mskOVF ( 0x1 << FPCSR_offOVF ) +#define FPCSR_mskUDF ( 0x1 << FPCSR_offUDF ) +#define FPCSR_mskIEX ( 0x1 << FPCSR_offIEX ) +#define FPCSR_mskIVOE ( 0x1 << FPCSR_offIVOE ) +#define FPCSR_mskDBZE ( 0x1 << FPCSR_offDBZE ) +#define FPCSR_mskOVFE ( 0x1 << FPCSR_offOVFE ) +#define FPCSR_mskUDFE ( 0x1 << FPCSR_offUDFE ) +#define FPCSR_mskIEXE ( 0x1 << FPCSR_offIEXE ) +#define FPCSR_mskDNZ ( 0x1 << FPCSR_offDNZ ) +#define FPCSR_mskIVOT ( 0x1 << FPCSR_offIVOT ) +#define FPCSR_mskDBZT ( 0x1 << FPCSR_offDBZT ) +#define FPCSR_mskOVFT ( 0x1 << FPCSR_offOVFT ) +#define FPCSR_mskUDFT ( 0x1 << FPCSR_offUDFT ) +#define FPCSR_mskIEXT ( 0x1 << FPCSR_offIEXT ) +#define FPCSR_mskDNIT ( 0x1 << FPCSR_offDNIT ) +#define FPCSR_mskRIT ( 0x1 << FPCSR_offRIT ) +#define FPCSR_mskALL (FPCSR_mskIVO | FPCSR_mskDBZ | FPCSR_mskOVF | FPCSR_mskUDF | FPCSR_mskIEX) +#define FPCSR_mskALLE (FPCSR_mskIVOE | FPCSR_mskDBZE | FPCSR_mskOVFE | FPCSR_mskUDFE | FPCSR_mskIEXE) +#define FPCSR_mskALLT (FPCSR_mskIVOT | FPCSR_mskDBZT | FPCSR_mskOVFT | FPCSR_mskUDFT | FPCSR_mskIEXT |FPCSR_mskDNIT | FPCSR_mskRIT) + +/****************************************************************************** + * fpcfg: FPCFG (Floating-Point Configuration Register) + *****************************************************************************/ +#define FPCFG_offSP 0 +#define FPCFG_offDP 1 +#define FPCFG_offFREG 2 +#define FPCFG_offFMA 4 +#define FPCFG_offIMVER 22 +#define FPCFG_offAVER 27 + +#define FPCFG_mskSP ( 0x1 << FPCFG_offSP ) +#define FPCFG_mskDP ( 0x1 << FPCFG_offDP ) +#define FPCFG_mskFREG ( 0x3 << FPCFG_offFREG ) +#define FPCFG_mskFMA ( 0x1 << FPCFG_offFMA ) +#define FPCFG_mskIMVER ( 0x1F << FPCFG_offIMVER ) +#define FPCFG_mskAVER ( 0x1F << FPCFG_offAVER ) + +/****************************************************************************** + * fucpr: FUCOP_CTL (FPU and Coprocessor Enable Control Register) + *****************************************************************************/ +#define FUCOP_CTL_offCP0EN 0 +#define FUCOP_CTL_offCP1EN 1 +#define FUCOP_CTL_offCP2EN 2 +#define FUCOP_CTL_offCP3EN 3 +#define FUCOP_CTL_offAUEN 31 + +#define FUCOP_CTL_mskCP0EN ( 0x1 << FUCOP_CTL_offCP0EN ) +#define FUCOP_CTL_mskCP1EN ( 0x1 << FUCOP_CTL_offCP1EN ) +#define FUCOP_CTL_mskCP2EN ( 0x1 << FUCOP_CTL_offCP2EN ) +#define FUCOP_CTL_mskCP3EN ( 0x1 << FUCOP_CTL_offCP3EN ) +#define FUCOP_CTL_mskAUEN ( 0x1 << FUCOP_CTL_offAUEN ) + +#endif /* __NDS32_BITFIELD_H__ */ diff --git a/arch/nds32/include/asm/nds32.h b/arch/nds32/include/asm/nds32.h new file mode 100644 index 000000000000..19b19394a936 --- /dev/null +++ b/arch/nds32/include/asm/nds32.h @@ -0,0 +1,81 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2005-2017 Andes Technology Corporation + +#ifndef _ASM_NDS32_NDS32_H_ +#define _ASM_NDS32_NDS32_H_ + +#include <asm/bitfield.h> +#include <asm/cachectl.h> + +#ifndef __ASSEMBLY__ +#include <linux/init.h> +#include <asm/barrier.h> +#include <nds32_intrinsic.h> + +#ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE +#define FP_OFFSET (-3) +#else +#define FP_OFFSET (-2) +#endif + +extern void __init early_trap_init(void); +static inline void GIE_ENABLE(void) +{ + mb(); + __nds32__gie_en(); +} + +static inline void GIE_DISABLE(void) +{ + mb(); + __nds32__gie_dis(); +} + +static inline unsigned long CACHE_SET(unsigned char cache) +{ + + if (cache == ICACHE) + return 64 << ((__nds32__mfsr(NDS32_SR_ICM_CFG) & ICM_CFG_mskISET) >> + ICM_CFG_offISET); + else + return 64 << ((__nds32__mfsr(NDS32_SR_DCM_CFG) & DCM_CFG_mskDSET) >> + DCM_CFG_offDSET); +} + +static inline unsigned long CACHE_WAY(unsigned char cache) +{ + + if (cache == ICACHE) + return 1 + + ((__nds32__mfsr(NDS32_SR_ICM_CFG) & ICM_CFG_mskIWAY) >> ICM_CFG_offIWAY); + else + return 1 + + ((__nds32__mfsr(NDS32_SR_DCM_CFG) & DCM_CFG_mskDWAY) >> DCM_CFG_offDWAY); +} + +static inline unsigned long CACHE_LINE_SIZE(unsigned char cache) +{ + + if (cache == ICACHE) + return 8 << + (((__nds32__mfsr(NDS32_SR_ICM_CFG) & ICM_CFG_mskISZ) >> ICM_CFG_offISZ) - 1); + else + return 8 << + (((__nds32__mfsr(NDS32_SR_DCM_CFG) & DCM_CFG_mskDSZ) >> DCM_CFG_offDSZ) - 1); +} + +#endif /* __ASSEMBLY__ */ + +#define IVB_BASE PHYS_OFFSET /* in user space for intr/exc/trap/break table base, 64KB aligned + * We defined at the start of the physical memory */ + +/* dispatched sub-entry exception handler numbering */ +#define RD_PROT 0 /* read protrection */ +#define WRT_PROT 1 /* write protection */ +#define NOEXEC 2 /* non executable */ +#define PAGE_MODIFY 3 /* page modified */ +#define ACC_BIT 4 /* access bit */ +#define RESVED_PTE 5 /* reserved PTE attribute */ +/* reserved 6 ~ 16 */ + +#endif /* _ASM_NDS32_NDS32_H_ */ diff --git a/arch/nds32/kernel/asm-offsets.c b/arch/nds32/kernel/asm-offsets.c new file mode 100644 index 000000000000..3541d5981de7 --- /dev/null +++ b/arch/nds32/kernel/asm-offsets.c @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2005-2017 Andes Technology Corporation + +#include <linux/sched.h> +#include <linux/sched/task_stack.h> +#include <linux/kbuild.h> +#include <asm/thread_info.h> +#include <asm/ptrace.h> + +int main(void) +{ + DEFINE(TSK_TI_FLAGS, offsetof(struct task_struct, thread_info.flags)); + DEFINE(TSK_TI_PREEMPT, + offsetof(struct task_struct, thread_info.preempt_count)); + DEFINE(THREAD_CPU_CONTEXT, + offsetof(struct task_struct, thread.cpu_context)); + DEFINE(OSP_OFFSET, offsetof(struct pt_regs, osp)); + DEFINE(SP_OFFSET, offsetof(struct pt_regs, sp)); + DEFINE(FUCOP_CTL_OFFSET, offsetof(struct pt_regs, fucop_ctl)); + DEFINE(IPSW_OFFSET, offsetof(struct pt_regs, ipsw)); + DEFINE(SYSCALLNO_OFFSET, offsetof(struct pt_regs, syscallno)); + DEFINE(IPC_OFFSET, offsetof(struct pt_regs, ipc)); + DEFINE(R0_OFFSET, offsetof(struct pt_regs, uregs[0])); + DEFINE(R15_OFFSET, offsetof(struct pt_regs, uregs[15])); + DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC); + DEFINE(CLOCK_COARSE_RES, LOW_RES_NSEC); + return 0; +} |