/* * 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 */