18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Copyright (C) 2004 Olof Johansson <olof@lixom.net>, IBM Corporation 48c2ecf20Sopenharmony_ci */ 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci#ifndef _POWERPC_SYSDEV_DART_H 78c2ecf20Sopenharmony_ci#define _POWERPC_SYSDEV_DART_H 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ci/* Offset from base to control register */ 118c2ecf20Sopenharmony_ci#define DART_CNTL 0 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci/* Offset from base to exception register */ 148c2ecf20Sopenharmony_ci#define DART_EXCP_U3 0x10 158c2ecf20Sopenharmony_ci/* Offset from base to TLB tag registers */ 168c2ecf20Sopenharmony_ci#define DART_TAGS_U3 0x1000 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ci/* U4 registers */ 198c2ecf20Sopenharmony_ci#define DART_BASE_U4 0x10 208c2ecf20Sopenharmony_ci#define DART_SIZE_U4 0x20 218c2ecf20Sopenharmony_ci#define DART_EXCP_U4 0x30 228c2ecf20Sopenharmony_ci#define DART_TAGS_U4 0x1000 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ci/* Control Register fields */ 258c2ecf20Sopenharmony_ci 268c2ecf20Sopenharmony_ci/* U3 registers */ 278c2ecf20Sopenharmony_ci#define DART_CNTL_U3_BASE_MASK 0xfffff 288c2ecf20Sopenharmony_ci#define DART_CNTL_U3_BASE_SHIFT 12 298c2ecf20Sopenharmony_ci#define DART_CNTL_U3_FLUSHTLB 0x400 308c2ecf20Sopenharmony_ci#define DART_CNTL_U3_ENABLE 0x200 318c2ecf20Sopenharmony_ci#define DART_CNTL_U3_SIZE_MASK 0x1ff 328c2ecf20Sopenharmony_ci#define DART_CNTL_U3_SIZE_SHIFT 0 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ci/* U4 registers */ 358c2ecf20Sopenharmony_ci#define DART_BASE_U4_BASE_MASK 0xffffff 368c2ecf20Sopenharmony_ci#define DART_BASE_U4_BASE_SHIFT 0 378c2ecf20Sopenharmony_ci#define DART_CNTL_U4_ENABLE 0x80000000 388c2ecf20Sopenharmony_ci#define DART_CNTL_U4_IONE 0x40000000 398c2ecf20Sopenharmony_ci#define DART_CNTL_U4_FLUSHTLB 0x20000000 408c2ecf20Sopenharmony_ci#define DART_CNTL_U4_IDLE 0x10000000 418c2ecf20Sopenharmony_ci#define DART_CNTL_U4_PAR_EN 0x08000000 428c2ecf20Sopenharmony_ci#define DART_CNTL_U4_IONE_MASK 0x07ffffff 438c2ecf20Sopenharmony_ci#define DART_SIZE_U4_SIZE_MASK 0x1fff 448c2ecf20Sopenharmony_ci#define DART_SIZE_U4_SIZE_SHIFT 0 458c2ecf20Sopenharmony_ci 468c2ecf20Sopenharmony_ci#define DART_REG(r) (dart + ((r) >> 2)) 478c2ecf20Sopenharmony_ci#define DART_IN(r) (in_be32(DART_REG(r))) 488c2ecf20Sopenharmony_ci#define DART_OUT(r,v) (out_be32(DART_REG(r), (v))) 498c2ecf20Sopenharmony_ci 508c2ecf20Sopenharmony_ci 518c2ecf20Sopenharmony_ci/* size of table in pages */ 528c2ecf20Sopenharmony_ci 538c2ecf20Sopenharmony_ci 548c2ecf20Sopenharmony_ci/* DART table fields */ 558c2ecf20Sopenharmony_ci 568c2ecf20Sopenharmony_ci#define DARTMAP_VALID 0x80000000 578c2ecf20Sopenharmony_ci#define DARTMAP_RPNMASK 0x00ffffff 588c2ecf20Sopenharmony_ci 598c2ecf20Sopenharmony_ci 608c2ecf20Sopenharmony_ci#define DART_PAGE_SHIFT 12 618c2ecf20Sopenharmony_ci#define DART_PAGE_SIZE (1 << DART_PAGE_SHIFT) 628c2ecf20Sopenharmony_ci 638c2ecf20Sopenharmony_ci 648c2ecf20Sopenharmony_ci#endif /* _POWERPC_SYSDEV_DART_H */ 65