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review.evervolv.com / android_kernel_htc_msm8960 / 4aed2fd8e3181fea7c09ba79cf64e7e3f4413bf9 / . / arch / powerpc / sysdev / dart.h
blob: ff202edb0591d2fb55afabd99004ba3a3e38ec80 [file] [log] [blame]
Olof Johanssonc707ffc2005-09-20 13:45:41 +1000[diff] [blame]1/*
Olof Johansson91f14482005-11-21 02:12:32 -0600[diff] [blame]2 * Copyright (C) 2004 Olof Johansson <olof@lixom.net>, IBM Corporation
Olof Johanssonc707ffc2005-09-20 13:45:41 +1000[diff] [blame]3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18
David Gibson9933f292005-11-02 15:13:20 +1100[diff] [blame]19#ifndef _POWERPC_SYSDEV_DART_H
20#define _POWERPC_SYSDEV_DART_H
Olof Johanssonc707ffc2005-09-20 13:45:41 +1000[diff] [blame]21
22
Olof Johanssonc707ffc2005-09-20 13:45:41 +1000[diff] [blame]23/* Offset from base to control register */
Benjamin Herrenschmidt1beb6a72005-12-14 13:10:10 +1100[diff] [blame]24#define DART_CNTL 0
Olof Johanssonc707ffc2005-09-20 13:45:41 +1000[diff] [blame]25
Benjamin Herrenschmidt1beb6a72005-12-14 13:10:10 +1100[diff] [blame]26/* Offset from base to exception register */
27#define DART_EXCP_U3 0x10
28/* Offset from base to TLB tag registers */
29#define DART_TAGS_U3 0x1000
30
31/* U4 registers */
32#define DART_BASE_U4 0x10
33#define DART_SIZE_U4 0x20
34#define DART_EXCP_U4 0x30
35#define DART_TAGS_U4 0x1000
Olof Johanssonc707ffc2005-09-20 13:45:41 +1000[diff] [blame]36
37/* Control Register fields */
38
Benjamin Herrenschmidt1beb6a72005-12-14 13:10:10 +1100[diff] [blame]39/* U3 registers */
40#define DART_CNTL_U3_BASE_MASK 0xfffff
41#define DART_CNTL_U3_BASE_SHIFT 12
42#define DART_CNTL_U3_FLUSHTLB 0x400
43#define DART_CNTL_U3_ENABLE 0x200
44#define DART_CNTL_U3_SIZE_MASK 0x1ff
45#define DART_CNTL_U3_SIZE_SHIFT 0
Olof Johanssonc707ffc2005-09-20 13:45:41 +1000[diff] [blame]46
Benjamin Herrenschmidt1beb6a72005-12-14 13:10:10 +1100[diff] [blame]47/* U4 registers */
48#define DART_BASE_U4_BASE_MASK 0xffffff
49#define DART_BASE_U4_BASE_SHIFT 0
Benjamin Herrenschmidt1beb6a72005-12-14 13:10:10 +1100[diff] [blame]50#define DART_CNTL_U4_ENABLE 0x80000000
Olof Johanssonfeb76c72006-06-28 02:50:36 -0700[diff] [blame]51#define DART_CNTL_U4_IONE 0x40000000
52#define DART_CNTL_U4_FLUSHTLB 0x20000000
53#define DART_CNTL_U4_IDLE 0x10000000
54#define DART_CNTL_U4_PAR_EN 0x08000000
55#define DART_CNTL_U4_IONE_MASK 0x07ffffff
Benjamin Herrenschmidt1beb6a72005-12-14 13:10:10 +1100[diff] [blame]56#define DART_SIZE_U4_SIZE_MASK 0x1fff
57#define DART_SIZE_U4_SIZE_SHIFT 0
58
59#define DART_REG(r) (dart + ((r) >> 2))
60#define DART_IN(r) (in_be32(DART_REG(r)))
61#define DART_OUT(r,v) (out_be32(DART_REG(r), (v)))
62
Olof Johanssonc707ffc2005-09-20 13:45:41 +1000[diff] [blame]63
64/* size of table in pages */
Olof Johanssonc707ffc2005-09-20 13:45:41 +1000[diff] [blame]65
66
67/* DART table fields */
68
69#define DARTMAP_VALID 0x80000000
70#define DARTMAP_RPNMASK 0x00ffffff
71
72
Paul Mackerrase607d982005-09-27 14:24:18 +1000[diff] [blame]73#define DART_PAGE_SHIFT 12
74#define DART_PAGE_SIZE (1 << DART_PAGE_SHIFT)
Olof Johanssond0035c622005-09-20 13:46:44 +1000[diff] [blame]75
Olof Johanssonc707ffc2005-09-20 13:45:41 +1000[diff] [blame]76
David Gibson9933f292005-11-02 15:13:20 +1100[diff] [blame]77#endif /* _POWERPC_SYSDEV_DART_H */