| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) |
| */ |
| |
| #ifndef _ASM_ARC_ARCREGS_H |
| #define _ASM_ARC_ARCREGS_H |
| |
| /* Build Configuration Registers */ |
| #define ARC_REG_AUX_DCCM 0x18 /* DCCM Base Addr ARCv2 */ |
| #define ARC_REG_ERP_CTRL 0x3F /* ARCv2 Error protection control */ |
| #define ARC_REG_DCCM_BASE_BUILD 0x61 /* DCCM Base Addr ARCompact */ |
| #define ARC_REG_CRC_BCR 0x62 |
| #define ARC_REG_VECBASE_BCR 0x68 |
| #define ARC_REG_PERIBASE_BCR 0x69 |
| #define ARC_REG_FP_BCR 0x6B /* ARCompact: Single-Precision FPU */ |
| #define ARC_REG_DPFP_BCR 0x6C /* ARCompact: Dbl Precision FPU */ |
| #define ARC_REG_ERP_BUILD 0xc7 /* ARCv2 Error protection Build: ECC/Parity */ |
| #define ARC_REG_FP_V2_BCR 0xc8 /* ARCv2 FPU */ |
| #define ARC_REG_SLC_BCR 0xce |
| #define ARC_REG_DCCM_BUILD 0x74 /* DCCM size (common) */ |
| #define ARC_REG_AP_BCR 0x76 |
| #define ARC_REG_ICCM_BUILD 0x78 /* ICCM size (common) */ |
| #define ARC_REG_XY_MEM_BCR 0x79 |
| #define ARC_REG_MAC_BCR 0x7a |
| #define ARC_REG_MUL_BCR 0x7b |
| #define ARC_REG_SWAP_BCR 0x7c |
| #define ARC_REG_NORM_BCR 0x7d |
| #define ARC_REG_MIXMAX_BCR 0x7e |
| #define ARC_REG_BARREL_BCR 0x7f |
| #define ARC_REG_D_UNCACH_BCR 0x6A |
| #define ARC_REG_BPU_BCR 0xc0 |
| #define ARC_REG_ISA_CFG_BCR 0xc1 |
| #define ARC_REG_LPB_BUILD 0xE9 /* ARCv2 Loop Buffer Build */ |
| #define ARC_REG_RTT_BCR 0xF2 |
| #define ARC_REG_IRQ_BCR 0xF3 |
| #define ARC_REG_MICRO_ARCH_BCR 0xF9 /* ARCv2 Product revision */ |
| #define ARC_REG_SMART_BCR 0xFF |
| #define ARC_REG_CLUSTER_BCR 0xcf |
| #define ARC_REG_AUX_ICCM 0x208 /* ICCM Base Addr (ARCv2) */ |
| #define ARC_REG_LPB_CTRL 0x488 /* ARCv2 Loop Buffer control */ |
| |
| /* Common for ARCompact and ARCv2 status register */ |
| #define ARC_REG_STATUS32 0x0A |
| |
| /* status32 Bits Positions */ |
| #define STATUS_AE_BIT 5 /* Exception active */ |
| #define STATUS_DE_BIT 6 /* PC is in delay slot */ |
| #define STATUS_U_BIT 7 /* User/Kernel mode */ |
| #define STATUS_Z_BIT 11 |
| #define STATUS_L_BIT 12 /* Loop inhibit */ |
| |
| /* These masks correspond to the status word(STATUS_32) bits */ |
| #define STATUS_AE_MASK (1<<STATUS_AE_BIT) |
| #define STATUS_DE_MASK (1<<STATUS_DE_BIT) |
| #define STATUS_U_MASK (1<<STATUS_U_BIT) |
| #define STATUS_Z_MASK (1<<STATUS_Z_BIT) |
| #define STATUS_L_MASK (1<<STATUS_L_BIT) |
| |
| /* |
| * ECR: Exception Cause Reg bits-n-pieces |
| * [23:16] = Exception Vector |
| * [15: 8] = Exception Cause Code |
| * [ 7: 0] = Exception Parameters (for certain types only) |
| */ |
| #ifdef CONFIG_ISA_ARCOMPACT |
| #define ECR_V_MEM_ERR 0x01 |
| #define ECR_V_INSN_ERR 0x02 |
| #define ECR_V_MACH_CHK 0x20 |
| #define ECR_V_ITLB_MISS 0x21 |
| #define ECR_V_DTLB_MISS 0x22 |
| #define ECR_V_PROTV 0x23 |
| #define ECR_V_TRAP 0x25 |
| #else |
| #define ECR_V_MEM_ERR 0x01 |
| #define ECR_V_INSN_ERR 0x02 |
| #define ECR_V_MACH_CHK 0x03 |
| #define ECR_V_ITLB_MISS 0x04 |
| #define ECR_V_DTLB_MISS 0x05 |
| #define ECR_V_PROTV 0x06 |
| #define ECR_V_TRAP 0x09 |
| #define ECR_V_MISALIGN 0x0d |
| #endif |
| |
| /* DTLB Miss and Protection Violation Cause Codes */ |
| |
| #define ECR_C_PROTV_INST_FETCH 0x00 |
| #define ECR_C_PROTV_LOAD 0x01 |
| #define ECR_C_PROTV_STORE 0x02 |
| #define ECR_C_PROTV_XCHG 0x03 |
| #define ECR_C_PROTV_MISALIG_DATA 0x04 |
| |
| #define ECR_C_BIT_PROTV_MISALIG_DATA 10 |
| |
| /* Machine Check Cause Code Values */ |
| #define ECR_C_MCHK_DUP_TLB 0x01 |
| |
| /* DTLB Miss Exception Cause Code Values */ |
| #define ECR_C_BIT_DTLB_LD_MISS 8 |
| #define ECR_C_BIT_DTLB_ST_MISS 9 |
| |
| /* Auxiliary registers */ |
| #define AUX_IDENTITY 4 |
| #define AUX_EXEC_CTRL 8 |
| #define AUX_INTR_VEC_BASE 0x25 |
| #define AUX_VOL 0x5e |
| |
| /* |
| * Floating Pt Registers |
| * Status regs are read-only (build-time) so need not be saved/restored |
| */ |
| #define ARC_AUX_FP_STAT 0x300 |
| #define ARC_AUX_DPFP_1L 0x301 |
| #define ARC_AUX_DPFP_1H 0x302 |
| #define ARC_AUX_DPFP_2L 0x303 |
| #define ARC_AUX_DPFP_2H 0x304 |
| #define ARC_AUX_DPFP_STAT 0x305 |
| |
| #ifndef __ASSEMBLY__ |
| |
| #include <soc/arc/aux.h> |
| |
| /* Helpers */ |
| #define TO_KB(bytes) ((bytes) >> 10) |
| #define TO_MB(bytes) (TO_KB(bytes) >> 10) |
| #define PAGES_TO_KB(n_pages) ((n_pages) << (PAGE_SHIFT - 10)) |
| #define PAGES_TO_MB(n_pages) (PAGES_TO_KB(n_pages) >> 10) |
| |
| |
| /* |
| *************************************************************** |
| * Build Configuration Registers, with encoded hardware config |
| */ |
| struct bcr_identity { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int chip_id:16, cpu_id:8, family:8; |
| #else |
| unsigned int family:8, cpu_id:8, chip_id:16; |
| #endif |
| }; |
| |
| struct bcr_isa_arcv2 { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int div_rem:4, pad2:4, ldd:1, unalign:1, atomic:1, be:1, |
| pad1:12, ver:8; |
| #else |
| unsigned int ver:8, pad1:12, be:1, atomic:1, unalign:1, |
| ldd:1, pad2:4, div_rem:4; |
| #endif |
| }; |
| |
| struct bcr_uarch_build_arcv2 { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int pad:8, prod:8, maj:8, min:8; |
| #else |
| unsigned int min:8, maj:8, prod:8, pad:8; |
| #endif |
| }; |
| |
| struct bcr_mpy { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int pad:8, x1616:8, dsp:4, cycles:2, type:2, ver:8; |
| #else |
| unsigned int ver:8, type:2, cycles:2, dsp:4, x1616:8, pad:8; |
| #endif |
| }; |
| |
| struct bcr_iccm_arcompact { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int base:16, pad:5, sz:3, ver:8; |
| #else |
| unsigned int ver:8, sz:3, pad:5, base:16; |
| #endif |
| }; |
| |
| struct bcr_iccm_arcv2 { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int pad:8, sz11:4, sz01:4, sz10:4, sz00:4, ver:8; |
| #else |
| unsigned int ver:8, sz00:4, sz10:4, sz01:4, sz11:4, pad:8; |
| #endif |
| }; |
| |
| struct bcr_dccm_arcompact { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int res:21, sz:3, ver:8; |
| #else |
| unsigned int ver:8, sz:3, res:21; |
| #endif |
| }; |
| |
| struct bcr_dccm_arcv2 { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int pad2:12, cyc:3, pad1:1, sz1:4, sz0:4, ver:8; |
| #else |
| unsigned int ver:8, sz0:4, sz1:4, pad1:1, cyc:3, pad2:12; |
| #endif |
| }; |
| |
| /* ARCompact: Both SP and DP FPU BCRs have same format */ |
| struct bcr_fp_arcompact { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int fast:1, ver:8; |
| #else |
| unsigned int ver:8, fast:1; |
| #endif |
| }; |
| |
| struct bcr_fp_arcv2 { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int pad2:15, dp:1, pad1:7, sp:1, ver:8; |
| #else |
| unsigned int ver:8, sp:1, pad1:7, dp:1, pad2:15; |
| #endif |
| }; |
| |
| struct bcr_actionpoint { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int pad:21, min:1, num:2, ver:8; |
| #else |
| unsigned int ver:8, num:2, min:1, pad:21; |
| #endif |
| }; |
| |
| #include <soc/arc/timers.h> |
| |
| struct bcr_bpu_arcompact { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int pad2:19, fam:1, pad:2, ent:2, ver:8; |
| #else |
| unsigned int ver:8, ent:2, pad:2, fam:1, pad2:19; |
| #endif |
| }; |
| |
| struct bcr_bpu_arcv2 { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int pad:6, fbe:2, tqe:2, ts:4, ft:1, rse:2, pte:3, bce:3, ver:8; |
| #else |
| unsigned int ver:8, bce:3, pte:3, rse:2, ft:1, ts:4, tqe:2, fbe:2, pad:6; |
| #endif |
| }; |
| |
| /* Error Protection Build: ECC/Parity */ |
| struct bcr_erp { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int pad3:5, mmu:3, pad2:4, ic:3, dc:3, pad1:6, ver:8; |
| #else |
| unsigned int ver:8, pad1:6, dc:3, ic:3, pad2:4, mmu:3, pad3:5; |
| #endif |
| }; |
| |
| /* Error Protection Control */ |
| struct ctl_erp { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int pad2:27, mpd:1, pad1:2, dpd:1, dpi:1; |
| #else |
| unsigned int dpi:1, dpd:1, pad1:2, mpd:1, pad2:27; |
| #endif |
| }; |
| |
| struct bcr_lpb { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int pad:16, entries:8, ver:8; |
| #else |
| unsigned int ver:8, entries:8, pad:16; |
| #endif |
| }; |
| |
| struct bcr_generic { |
| #ifdef CONFIG_CPU_BIG_ENDIAN |
| unsigned int info:24, ver:8; |
| #else |
| unsigned int ver:8, info:24; |
| #endif |
| }; |
| |
| /* |
| ******************************************************************* |
| * Generic structures to hold build configuration used at runtime |
| */ |
| |
| struct cpuinfo_arc_mmu { |
| unsigned int ver:4, pg_sz_k:8, s_pg_sz_m:8, pad:10, sasid:1, pae:1; |
| unsigned int sets:12, ways:4, u_dtlb:8, u_itlb:8; |
| }; |
| |
| struct cpuinfo_arc_cache { |
| unsigned int sz_k:14, line_len:8, assoc:4, alias:1, vipt:1, pad:4; |
| }; |
| |
| struct cpuinfo_arc_bpu { |
| unsigned int ver, full, num_cache, num_pred, ret_stk; |
| }; |
| |
| struct cpuinfo_arc_ccm { |
| unsigned int base_addr, sz; |
| }; |
| |
| struct cpuinfo_arc { |
| struct cpuinfo_arc_cache icache, dcache, slc; |
| struct cpuinfo_arc_mmu mmu; |
| struct cpuinfo_arc_bpu bpu; |
| struct bcr_identity core; |
| struct bcr_isa_arcv2 isa; |
| const char *release, *name; |
| unsigned int vec_base; |
| struct cpuinfo_arc_ccm iccm, dccm; |
| struct { |
| unsigned int swap:1, norm:1, minmax:1, barrel:1, crc:1, swape:1, pad1:2, |
| fpu_sp:1, fpu_dp:1, dual:1, dual_enb:1, pad2:4, |
| ap_num:4, ap_full:1, smart:1, rtt:1, pad3:1, |
| timer0:1, timer1:1, rtc:1, gfrc:1, pad4:4; |
| } extn; |
| struct bcr_mpy extn_mpy; |
| }; |
| |
| extern struct cpuinfo_arc cpuinfo_arc700[]; |
| |
| static inline int is_isa_arcv2(void) |
| { |
| return IS_ENABLED(CONFIG_ISA_ARCV2); |
| } |
| |
| static inline int is_isa_arcompact(void) |
| { |
| return IS_ENABLED(CONFIG_ISA_ARCOMPACT); |
| } |
| |
| #endif /* __ASEMBLY__ */ |
| |
| #endif /* _ASM_ARC_ARCREGS_H */ |
