1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2000 Tsubai Masanari. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $NetBSD: hid.h,v 1.2 2001/08/22 21:05:25 matt Exp $
29 * $FreeBSD$
30 */
31
32 #ifndef _POWERPC_HID_H_
33 #define _POWERPC_HID_H_
34
35 /* Hardware Implementation Dependent registers for the PowerPC */
36 #define HID0_RADIX 0x0080000000000000 /* Enable Radix page tables (POWER9) */
37
38 #define HID0_EMCP 0x80000000 /* Enable machine check pin */
39 #define HID0_DBP 0x40000000 /* Disable 60x bus parity generation */
40 #define HID0_EBA 0x20000000 /* Enable 60x bus address parity checking */
41 #define HID0_EBD 0x10000000 /* Enable 60x bus data parity checking */
42 #define HID0_BCLK 0x08000000 /* CLK_OUT clock type selection */
43 #define HID0_EICE 0x04000000 /* Enable ICE output */
44 #define HID0_ECLK 0x02000000 /* CLK_OUT clock type selection */
45 #define HID0_PAR 0x01000000 /* Disable precharge of ARTRY */
46 #define HID0_STEN 0x01000000 /* Software table search enable (7450) */
47 #define HID0_DEEPNAP 0x01000000 /* Enable deep nap mode (970) */
48 #define HID0_HBATEN 0x00800000 /* High BAT enable (74[45][578]) */
49 #define HID0_DOZE 0x00800000 /* Enable doze mode */
50 #define HID0_NAP 0x00400000 /* Enable nap mode */
51 #define HID0_SLEEP 0x00200000 /* Enable sleep mode */
52 #define HID0_DPM 0x00100000 /* Enable Dynamic power management */
53 #define HID0_RISEG 0x00080000 /* Read I-SEG */
54 #define HID0_TG 0x00040000 /* Timebase Granularity (OEA64) */
55 #define HID0_BHTCLR 0x00040000 /* Clear branch history table (7450) */
56 #define HID0_EIEC 0x00040000 /* Enable internal error checking */
57 #define HID0_XAEN 0x00020000 /* Enable eXtended Addressing (7450) */
58 #define HID0_NHR 0x00010000 /* Not hard reset */
59 #define HID0_ICE 0x00008000 /* Enable i-cache */
60 #define HID0_DCE 0x00004000 /* Enable d-cache */
61 #define HID0_ILOCK 0x00002000 /* i-cache lock */
62 #define HID0_DLOCK 0x00001000 /* d-cache lock */
63 #define HID0_ICFI 0x00000800 /* i-cache flush invalidate */
64 #define HID0_DCFI 0x00000400 /* d-cache flush invalidate */
65 #define HID0_SPD 0x00000200 /* Disable speculative cache access */
66 #define HID0_XBSEN 0x00000100 /* Extended BAT block-size enable (7457) */
67 #define HID0_IFEM 0x00000100 /* Enable M-bit for I-fetch */
68 #define HID0_XBSEN 0x00000100 /* Extended BAT block size enable (7455+)*/
69 #define HID0_SGE 0x00000080 /* Enable store gathering */
70 #define HID0_DCFA 0x00000040 /* Data cache flush assist */
71 #define HID0_BTIC 0x00000020 /* Enable BTIC */
72 #define HID0_LRSTK 0x00000010 /* Link register stack enable (7450) */
73 #define HID0_ABE 0x00000008 /* Enable address broadcast */
74 #define HID0_FOLD 0x00000008 /* Branch folding enable (7450) */
75 #define HID0_BHT 0x00000004 /* Enable branch history table */
76 #define HID0_NOPTI 0x00000001 /* No-op the dcbt(st) */
77
78 #define HID0_AIM_TBEN 0x04000000 /* Time base enable (7450) */
79
80 #define HID0_E500_TBEN 0x00004000 /* Time Base and decr. enable */
81 #define HID0_E500_SEL_TBCLK 0x00002000 /* Select Time Base clock */
82 #define HID0_E500_MAS7UPDEN 0x00000080 /* Enable MAS7 update (e500v2) */
83
84 #define HID0_E500MC_L2MMU_MHD 0x40000000 /* L2MMU Multiple Hit Detection */
85
86 #define HID0_BITMASK \
87 "\2" \
88 "\040EMCP\037DBP\036EBA\035EBD\034BCLK\033EICE\032ECLK\031PAR" \
89 "\030DOZE\027NAP\026SLEEP\025DPM\024RISEG\023EIEC\022res\021NHR" \
90 "\020ICE\017DCE\016ILOCK\015DLOCK\014ICFI\013DCFI\012SPD\011IFEM" \
91 "\010SGE\007DCFA\006BTIC\005FBIOB\004ABE\003BHT\002NOPDST\001NOPTI"
92
93 #define HID0_7450_BITMASK \
94 "\2" \
95 "\040EMCP\037b1\036b2\035b3\034b4\033TBEN\032b6\031STEN" \
96 "\030HBATEN\027NAP\026SLEEP\025DPM\024b12\023BHTCLR\022XAEN\021NHR" \
97 "\020ICE\017DCE\016ILOCK\015DLOCK\014ICFI\013DCFI\012SPD\011XBSEN" \
98 "\010SGE\007b25\006BTIC\005LRSTK\004FOLD\003BHT\002NOPDST\001NOPTI"
99
100 #define HID0_E500_BITMASK \
101 "\2" \
102 "\040EMCP\037b1\036b2\035b3\034b4\033b5\032b6\031b7" \
103 "\030DOZE\027NAP\026SLEEP\025b11\024b12\023b13\022b14\021b15" \
104 "\020b16\017TBEN\016SEL_TBCLK\015b19\014b20\013b21\012b22\011b23" \
105 "\010EN_MAS7_UPDATE\007DCFA\006b26\005b27\004b28\003b29\002b30\001NOPTI"
106
107 #define HID0_970_BITMASK \
108 "\2" \
109 "\040ONEPPC\037SINGLE\036ISYNCSC\035SERGP\031DEEPNAP\030DOZE" \
110 "\027NAP\025DPM\023TG\022HANGDETECT\021NHR\020INORDER" \
111 "\016TBCTRL\015TBEN\012CIABREN\011HDICEEN\001ENATTN"
112
113 #define HID0_E500MC_BITMASK \
114 "\2" \
115 "\040EMCP\037EN_L2MMU_MHD\036b2\035b3\034b4\033b5\032b6\031b7" \
116 "\030b8\027b9\026b10\025b11\024b12\023b13\022b14\021b15" \
117 "\020b16\017b17\016b18\015b19\014b20\013b21\012b22\011b23" \
118 "\010EN_MAS7_UPDATE\007DCFA\006b26\005CIGLSO\004b28\003b29\002b30\001NOPTI"
119
120 #define HID0_E5500_BITMASK \
121 "\2" \
122 "\040EMCP\037EN_L2MMU_MHD\036b2\035b3\034b4\033b5\032b6\031b7" \
123 "\030b8\027b9\026b10\025b11\024b12\023b13\022b14\021b15" \
124 "\020b16\017b17\016b18\015b19\014b20\013b21\012b22\011b23" \
125 "\010b24\007DCFA\006b26\005CIGLSO\004b28\003b29\002b30\001NOPTI"
126
127 /*
128 * HID0 bit definitions per cpu model
129 *
130 * bit 603 604 750 7400 7410 7450 7457 e500
131 * 0 EMCP EMCP EMCP EMCP EMCP - - EMCP
132 * 1 - ECP DBP - - - - -
133 * 2 EBA EBA EBA EBA EDA - - -
134 * 3 EBD EBD EBD EBD EBD - - -
135 * 4 SBCLK - BCLK BCKL BCLK - - -
136 * 5 EICE - - - - TBEN TBEN -
137 * 6 ECLK - ECLK ECLK ECLK - - -
138 * 7 PAR PAR PAR PAR PAR STEN STEN -
139 * 8 DOZE - DOZE DOZE DOZE - HBATEN DOZE
140 * 9 NAP - NAP NAP NAP NAP NAP NAP
141 * 10 SLEEP - SLEEP SLEEP SLEEP SLEEP SLEEP SLEEP
142 * 11 DPM - DPM DPM DPM DPM DPM -
143 * 12 RISEG - - RISEG - - - -
144 * 13 - - - EIEC EIEC BHTCLR BHTCLR -
145 * 14 - - - - - XAEN XAEN -
146 * 15 - NHR NHR NHR NHR NHR NHR -
147 * 16 ICE ICE ICE ICE ICE ICE ICE -
148 * 17 DCE DCE DCE DCE DCE DCE DCE TBEN
149 * 18 ILOCK ILOCK ILOCK ILOCK ILOCK ILOCK ILOCK SEL_TBCLK
150 * 19 DLOCK DLOCK DLOCK DLOCK DLOCK DLOCK DLOCK -
151 * 20 ICFI ICFI ICFI ICFI ICFI ICFI ICFI -
152 * 21 DCFI DCFI DCFI DCFI DCFI DCFI DCFI -
153 * 22 - - SPD SPD SPG SPD SPD -
154 * 23 - - IFEM IFTT IFTT - XBSEN -
155 * 24 - SIE SGE SGE SGE SGE SGE EN_MAS7_UPDATE
156 * 25 - - DCFA DCFA DCFA - - DCFA
157 * 26 - - BTIC BTIC BTIC BTIC BTIC -
158 * 27 FBIOB - - - - LRSTK LRSTK -
159 * 28 - - ABE - - FOLD FOLD -
160 * 29 - BHT BHT BHT BHT BHT BHT -
161 * 30 - - - NOPDST NOPDST NOPDST NOPDST -
162 * 31 NOOPTI - NOOPTI NOPTI NOPTI NOPTI NOPTI NOPTI
163 *
164 * bit e500mc e5500
165 * 0 EMCP EMCP
166 * 1 EN_L2MMU_MHD EN_L2MMU_MHD
167 * 2 - -
168 * 3 - -
169 * 4 - -
170 * 5 - -
171 * 6 - -
172 * 7 - -
173 * 8 - -
174 * 9 - -
175 * 10 - -
176 * 11 - -
177 * 12 - -
178 * 13 - -
179 * 14 - -
180 * 15 - -
181 * 16 - -
182 * 17 - -
183 * 18 - -
184 * 19 - -
185 * 20 - -
186 * 21 - -
187 * 22 - -
188 * 23 - -
189 * 24 EN_MAS7_UPDATE -
190 * 25 DCFA DCFA
191 * 26 - -
192 * 27 CIGLSO CIGLSO
193 * 28 - -
194 * 29 - -
195 * 30 - -
196 * 31 NOPTI NOPTI
197 *
198 * 604: ECP = Enable cache parity checking
199 * 604: SIE = Serial instruction execution disable
200 * 7450: TBEN = Time Base Enable
201 * 7450: STEN = Software table lookup enable
202 * 7450: BHTCLR = Branch history clear
203 * 7450: XAEN = Extended Addressing Enabled
204 * 7450: LRSTK = Link Register Stack Enable
205 * 7450: FOLD = Branch folding enable
206 * 7457: HBATEN = High BAT Enable
207 * 7457: XBSEN = Extended BAT Block Size Enable
208 */
209
210 #define HID1_E500_ABE 0x00001000 /* Address broadcast enable */
211 #define HID1_E500_ASTME 0x00002000 /* Address bus streaming mode enable */
212 #define HID1_E500_RFXE 0x00020000 /* Read fault exception enable */
213
214 #define HID0_E500_DEFAULT_SET (HID0_EMCP | HID0_E500_TBEN | \
215 HID0_E500_MAS7UPDEN)
216 #define HID1_E500_DEFAULT_SET (HID1_E500_ABE | HID1_E500_ASTME)
217 #define HID0_E500MC_DEFAULT_SET (HID0_EMCP | HID0_E500MC_L2MMU_MHD | \
218 HID0_E500_MAS7UPDEN)
219 #define HID0_E5500_DEFAULT_SET (HID0_EMCP | HID0_E500MC_L2MMU_MHD)
220
221 #define HID5_970_DCBZ_SIZE_HI 0x00000080UL /* dcbz does a 32-byte store */
222 #define HID4_970_DISABLE_LG_PG 0x00000004ULL /* disables large pages */
223
224 #endif /* _POWERPC_HID_H_ */
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