| /* |
| * Copyright (C) 2004 Olof Johansson <olof@lixom.net>, IBM Corporation |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #ifndef _POWERPC_SYSDEV_DART_H |
| #define _POWERPC_SYSDEV_DART_H |
| |
| |
| /* Offset from base to control register */ |
| #define DART_CNTL 0 |
| |
| /* Offset from base to exception register */ |
| #define DART_EXCP_U3 0x10 |
| /* Offset from base to TLB tag registers */ |
| #define DART_TAGS_U3 0x1000 |
| |
| /* U4 registers */ |
| #define DART_BASE_U4 0x10 |
| #define DART_SIZE_U4 0x20 |
| #define DART_EXCP_U4 0x30 |
| #define DART_TAGS_U4 0x1000 |
| |
| /* Control Register fields */ |
| |
| /* U3 registers */ |
| #define DART_CNTL_U3_BASE_MASK 0xfffff |
| #define DART_CNTL_U3_BASE_SHIFT 12 |
| #define DART_CNTL_U3_FLUSHTLB 0x400 |
| #define DART_CNTL_U3_ENABLE 0x200 |
| #define DART_CNTL_U3_SIZE_MASK 0x1ff |
| #define DART_CNTL_U3_SIZE_SHIFT 0 |
| |
| /* U4 registers */ |
| #define DART_BASE_U4_BASE_MASK 0xffffff |
| #define DART_BASE_U4_BASE_SHIFT 0 |
| #define DART_CNTL_U4_ENABLE 0x80000000 |
| #define DART_CNTL_U4_IONE 0x40000000 |
| #define DART_CNTL_U4_FLUSHTLB 0x20000000 |
| #define DART_CNTL_U4_IDLE 0x10000000 |
| #define DART_CNTL_U4_PAR_EN 0x08000000 |
| #define DART_CNTL_U4_IONE_MASK 0x07ffffff |
| #define DART_SIZE_U4_SIZE_MASK 0x1fff |
| #define DART_SIZE_U4_SIZE_SHIFT 0 |
| |
| #define DART_REG(r) (dart + ((r) >> 2)) |
| #define DART_IN(r) (in_be32(DART_REG(r))) |
| #define DART_OUT(r,v) (out_be32(DART_REG(r), (v))) |
| |
| |
| /* size of table in pages */ |
| |
| |
| /* DART table fields */ |
| |
| #define DARTMAP_VALID 0x80000000 |
| #define DARTMAP_RPNMASK 0x00ffffff |
| |
| |
| #define DART_PAGE_SHIFT 12 |
| #define DART_PAGE_SIZE (1 << DART_PAGE_SHIFT) |
| |
| |
| #endif /* _POWERPC_SYSDEV_DART_H */ |