| /* |
| * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. All rights reserved. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #ifndef _ASM_ARC_ARCREGS_H |
| #define _ASM_ARC_ARCREGS_H |
| |
| #include <asm/cache.h> |
| |
| /* |
| * ARC architecture has additional address space - auxiliary registers. |
| * These registers are mostly used for configuration purposes. |
| * These registers are not memory mapped and special commands are used for |
| * access: "lr"/"sr". |
| */ |
| |
| #define ARC_AUX_IDENTITY 0x04 |
| #define ARC_AUX_STATUS32 0x0a |
| |
| /* Instruction cache related auxiliary registers */ |
| #define ARC_AUX_IC_IVIC 0x10 |
| #define ARC_AUX_IC_CTRL 0x11 |
| #define ARC_AUX_IC_IVIL 0x19 |
| #if (CONFIG_ARC_MMU_VER == 3) |
| #define ARC_AUX_IC_PTAG 0x1E |
| #endif |
| #define ARC_BCR_IC_BUILD 0x77 |
| #define AUX_AUX_CACHE_LIMIT 0x5D |
| #define ARC_AUX_NON_VOLATILE_LIMIT 0x5E |
| |
| /* ICCM and DCCM auxiliary registers */ |
| #define ARC_AUX_DCCM_BASE 0x18 /* DCCM Base Addr ARCv2 */ |
| #define ARC_AUX_ICCM_BASE 0x208 /* ICCM Base Addr ARCv2 */ |
| |
| /* Timer related auxiliary registers */ |
| #define ARC_AUX_TIMER0_CNT 0x21 /* Timer 0 count */ |
| #define ARC_AUX_TIMER0_CTRL 0x22 /* Timer 0 control */ |
| #define ARC_AUX_TIMER0_LIMIT 0x23 /* Timer 0 limit */ |
| |
| #define ARC_AUX_TIMER1_CNT 0x100 /* Timer 1 count */ |
| #define ARC_AUX_TIMER1_CTRL 0x101 /* Timer 1 control */ |
| #define ARC_AUX_TIMER1_LIMIT 0x102 /* Timer 1 limit */ |
| |
| #define ARC_AUX_INTR_VEC_BASE 0x25 |
| |
| /* Data cache related auxiliary registers */ |
| #define ARC_AUX_DC_IVDC 0x47 |
| #define ARC_AUX_DC_CTRL 0x48 |
| |
| #define ARC_AUX_DC_IVDL 0x4A |
| #define ARC_AUX_DC_FLSH 0x4B |
| #define ARC_AUX_DC_FLDL 0x4C |
| #if (CONFIG_ARC_MMU_VER == 3) |
| #define ARC_AUX_DC_PTAG 0x5C |
| #endif |
| #define ARC_BCR_DC_BUILD 0x72 |
| #define ARC_BCR_SLC 0xce |
| #define ARC_AUX_SLC_CONFIG 0x901 |
| #define ARC_AUX_SLC_CTRL 0x903 |
| #define ARC_AUX_SLC_FLUSH 0x904 |
| #define ARC_AUX_SLC_INVALIDATE 0x905 |
| #define ARC_AUX_SLC_IVDL 0x910 |
| #define ARC_AUX_SLC_FLDL 0x912 |
| #define ARC_BCR_CLUSTER 0xcf |
| |
| /* IO coherency related auxiliary registers */ |
| #define ARC_AUX_IO_COH_ENABLE 0x500 |
| #define ARC_AUX_IO_COH_PARTIAL 0x501 |
| #define ARC_AUX_IO_COH_AP0_BASE 0x508 |
| #define ARC_AUX_IO_COH_AP0_SIZE 0x509 |
| |
| #ifndef __ASSEMBLY__ |
| /* Accessors for auxiliary registers */ |
| #define read_aux_reg(reg) __builtin_arc_lr(reg) |
| |
| /* gcc builtin sr needs reg param to be long immediate */ |
| #define write_aux_reg(reg_immed, val) \ |
| __builtin_arc_sr((unsigned int)val, reg_immed) |
| |
| /* ARCNUM [15:8] - field to identify each core in a multi-core system */ |
| #define CPU_ID_GET() ((read_aux_reg(ARC_AUX_IDENTITY) & 0xFF00) >> 8) |
| #endif /* __ASSEMBLY__ */ |
| |
| #endif /* _ASM_ARC_ARCREGS_H */ |