1 /*        $NetBSD: hid.h,v 1.15 2024/03/10 17:07:31 rillig Exp $      */
2 
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 
29 #ifndef _POWERPC_OEA_HID_H_
30 #define _POWERPC_OEA_HID_H_
31 
32 #ifdef _KERNEL_OPT
33 #include "opt_ppcarch.h"
34 #endif
35 
36 /* Hardware Implementation Dependent registers for the PowerPC */
37 
38 #if defined(_ARCH_PPC64) || defined (PPC_OEA64_BRIDGE)
39 /* this way we can use the same bit numbers as IBM's PowerPC manuals */
40 #define HIDBIT(x) (0x8000000000000000LL >> x)
41 #define HID0_64_ONE_PPC       HIDBIT(0)   /* one instruction per dispatch group */
42 #define HID0_64_DO_SNGL       HIDBIT(1)   /* single group completion mode */
43 #define HID0_64_ISYNCSC       HIDBIT(2)   /* Disable isync scoreboard optimization */
44 #define HID0_64_SER_GP        HIDBIT(3)   /* Serialize group dispatch */
45 #define HID0_64_DEEPNAP       HIDBIT(7)   /* Enable deep nap mode (970) */
46 #define HID0_64_DOZE          HIDBIT(8)   /* Enable doze mode */
47 #define HID0_64_NAP HIDBIT(9)   /* Enable nap mode */
48 #define HID0_64_DPM HIDBIT(11)  /* Enable Dynamic power management */
49 #define HID0_64_TG  HIDBIT(13)  /* Perfmon threshold granularity control */
50 #define HID0_64_HNG_DIS       HIDBIT(14)  /* Disable processor hang-detection */
51 #define HID0_64_NHR HIDBIT(15)  /* No Hard Reset */
52 #define HID0_64_INORDER       HIDBIT(16)  /* Serialized group issue mode */
53 #define HID0_64_TB_CTRL       HIDBIT(18)  /* TB keeps running if CPU stopped */
54 #define HID0_64_EX_TBEN       HIDBIT(19)  /* timebase runs at external clock */
55 #define HID0_64_CIABREN       HIDBIT(22)  /* enable CIABR register */
56 #define HID0_64_HDICEEN       HIDBIT(23)  /* hypervisor decrementer enable */
57 #define HID0_64_EN_ATTN       HIDBIT(31)  /* support processor attention inst. */
58 #define HID0_64_EN_MCHK       HIDBIT(32)  /* ext. mchk interrupts */
59 #endif
60 #define HID0_EMCP   0x80000000  /* Enable MCP */
61 #define HID0_DBP    0x40000000  /* Disable 60x bus parity generation */
62 #define HID0_EBA    0x20000000  /* Enable 60x bus address parity checking */
63 #define HID0_EBD    0x10000000  /* Enable 60x bus data parity checking */
64 #define HID0_BCLK   0x08000000  /* CLK_OUT clock type selection */
65 #define HID0_EICE   0x04000000  /* Enable ICE output */
66 #define HID0_TBEN   0x04000000  /* Time base enable (7450) */
67 #define HID0_ECLK   0x02000000  /* CLK_OUT clock type selection */
68 #define HID0_PAR    0x01000000  /* Disable precharge of ARTRY */
69 #define HID0_STEN   0x01000000  /* Software table search enable (7450) */
70 #define HID0_DOZE   0x00800000  /* Enable doze mode */
71 #define HID0_HIGH_BAT_EN 0x00800000  /* Enable additional BATs (74[45][578]) */
72 #define HID0_NAP    0x00400000  /* Enable nap mode */
73 #define HID0_SLEEP  0x00200000  /* Enable sleep mode */
74 #define HID0_DPM    0x00100000  /* Enable Dynamic power management */
75 #define HID0_RISEG  0x00080000  /* Read I-SEG */
76 #define HID0_BHTCLR 0x00040000  /* Clear branch history table (7450) */
77 #define HID0_EIEC   0x00040000  /* Enable internal error checking */
78 #define HID0_XAEN   0x00020000  /* Enable eXtended Addressing (7450) */
79 #define HID0_NHR    0x00010000  /* Not hard reset */
80 #define HID0_ICE    0x00008000  /* Enable i-cache */
81 #define HID0_DCE    0x00004000  /* Enable d-cache */
82 #define HID0_ILOCK  0x00002000  /* i-cache lock */
83 #define HID0_DLOCK  0x00001000  /* d-cache lock */
84 #define HID0_ICFI   0x00000800  /* i-cache flash invalidate */
85 #define HID0_DCFI   0x00000400  /* d-cache flash invalidate */
86 #define HID0_SPD    0x00000200  /* Disable speculative cache access */
87 #define HID0_IFEM   0x00000100  /* Enable M-bit for I-fetch */
88 #define HID0_XBSEN  0x00000100  /* Extended BAT block size enable (7455+) */
89 #define HID0_SGE    0x00000080  /* Enable store gathering */
90 #define HID0_DCFA   0x00000040  /* Data cache flush assist */
91 #define HID0_BTIC   0x00000020  /* Enable BTIC */
92 #define HID0_LRSTK  0x00000010  /* Link register stack enable (7450) */
93 #define HID0_ABE    0x00000008  /* Enable address broadcast */
94 #define HID0_FOLD   0x00000008  /* Branch folding enable (7450) */
95 #define HID0_BHT    0x00000004  /* Enable branch history table */
96 #define HID0_BTCD   0x00000002  /* Branch target addr cache disable (604) */
97 #define HID0_NOPTI  0x00000001  /* No-op the dcbt(st) */
98 
99 #define HID0_BITMASK "\020" \
100     "\040EMCP\037DBP\036EBA\035EBD\034BCLK\033EICE\032ECLK\031PAR" \
101     "\030DOZE\027NAP\026SLEEP\025DPM\024RISEG\023EIEC\022res\021NHR" \
102     "\020ICE\017DCE\016ILOCK\015DLOCK\014ICFI\013DCFI\012SPD\011IFEM" \
103     "\010SGE\007DCFA\006BTIC\005FBIOB\004ABE\003BHT\002NOPDST\001NOPTI"
104 
105 #define HID0_7450_BITMASK "\020" \
106     "\040EMCP\037b1\036b2\035b3\034b4\033TBEN\032b6\031STEN" \
107     "\030HIGH_BAT_EN\027NAP\026SLEEP\025DPM\024b12\023BHTCLR\022XAEN\021NHR" \
108     "\020ICE\017DCE\016ILOCK\015DLOCK\014ICFI\013DCFI\012SPD\011XBSEN" \
109     "\010SGE\007b25\006BTIC\005LRSTK\004FOLD\003BHT\002NOPDST\001NOPTI"
110 
111 #define HID0_970_BITMASK "\020" \
112     "\040EMCP"
113 
114 #define HID0_970_BITMASK_U "\020" \
115     "\040ONEPPC\037DOSNGL\036ISYNCSC\035SERGP\034res\033res\032res\031DEEPNAP" \
116     "\030DOZE\027NAP\026res\025DPM\024res\023TG\022HNGDIS\021NHR" \
117     "\020INORDER\017res\016TBCTRL\015EXTBEN\014res\013res\012CIABREN\011HDICEEN" \
118     "\001ENATTN"
119 /*
120  *  HID0 bit definitions per CPU model
121  *
122  * bit    603       604       750       7400      7410      7450
123  *   0    EMCP      EMCP      EMCP      EMCP      EMCP      -
124  *   1    -         ECP       DBP       -         -         -
125  *   2    EBA       EBA       EBA       EBA       EDA       -
126  *   3    EBD       EBD       EBD       EBD       EBD       -
127  *   4    SBCLK     -         BCLK      BCKL      BCLK      -
128  *   5    EICE      -         -         -         -         TBEN
129  *   6    ECLK      -         ECLK      ECLK      ECLK      -
130  *   7    PAR       PAR       PAR       PAR       PAR       STEN
131  *   8    DOZE      -         DOZE      DOZE      DOZE      HIGH_BAT_EN
132  *   9    NAP       -         NAP       NAP       NAP       NAP
133  *  10    SLEEP     -         SLEEP     SLEEP     SLEEP     SLEEP
134  *  11    DPM       -         DPM       DPM       DPM       DPM
135  *  12    RISEG     -         -         RISEG     -         -
136  *  13    -         -         -         EIEC      EIEC      BHTCLR
137  *  14    -         -         -         -         -         XAEN
138  *  15    -         NHR       NHR       NHR       NHR       NHR
139  *  16    ICE       ICE       ICE       ICE       ICE       ICE
140  *  17    DCE       DCE       DCE       DCE       DCE       DCE
141  *  18    ILOCK     ILOCK     ILOCK     ILOCK     ILOCK     ILOCK
142  *  19    DLOCK     DLOCK     DLOCK     DLOCK     DLOCK     DLOCK
143  *  20    ICFI      ICFI      ICFI      ICFI      ICFI      ICFI
144  *  21    DCFI      DCFI      DCFI      DCFI      DCFI      DCFI
145  *  22    -         -         SPD       SPD       SPG       SPD
146  *  23    -         -         IFEM      IFTT      IFTT      XBSEN
147  *  24    -         SIE       SGE       SGE       SGE       SGE
148  *  25    -         -         DCFA      DCFA      DCFA      -
149  *  26    -         -         BTIC      BTIC      BTIC      BTIC
150  *  27    FBIOB     -         -         -         -         LRSTK
151  *  28    -         -         ABE       -         -         FOLD
152  *  29    -         BHT       BHT       BHT       BHT       BHT
153  *  30    -         BTCD      -         NOPDST    NOPDST    NOPDST
154  *  31    NOOPTI    -         NOOPTI    NOPTI     NOPTI     NOPTI
155  *
156  *  604: ECP = Enable cache parity checking
157  *  604: SIE = Serial instruction execution disable
158  *  604: BTCD = Branch target address cache disable
159  * 7450: TBEN = Time Base Enable
160  * 7450: STEN = Software table lookup enable
161  * 7450: BHTCLR = Branch history clear
162  * 7450: LRSTK = Link Register Stack Enable
163  * 7450: FOLD = Branch folding enable
164  */
165 
166 #define   HID1_EMCP 0x80000000          /* Machine Check Signal Enable */
167 #define   HID1_EBA  0x20000000          /* Enable/Disable 60x/MPX Bus Address
168                                                      Parity Checking */
169 #define   HID1_EBD  0x10000000          /* Enable/Disable 60x/MPX Bus Data
170                                                      Parity Checking */
171 #define   HID1_BCLK 0x08000000          /* CLK_OUT */
172 #define   HID1_ECLK 0x02000000          /* CLK_OUT */
173 #define   HID1_PAR  0x01000000          /* Disable Precharge for ... */
174 #define   HID1_DFS4 0x00800000          /* Dynamic Freq Switch / 4 (7448) */
175 #define   HID1_DFS2 0x00400000          /* Dynamic Freq Switch / 2 (7447A) */
176 #define   HID1_SYNCBE         0x00000800          /* Enable sync/eieio broadcast */
177 #define   HID1_ABE  0x00000400          /* Enable address broadcast */
178 
179 /* PPC970 HID4 */
180 #define HID4_RMLR0  0x0000000000000020  /* real mode limit bit 0 */
181 #define HID4_RMLR1  0x4000000000000000  /* real mode limit bit 1 */
182 #define HID4_RMLR2  0x2000000000000000  /* real mode limit bit 2 */
183 /*
184  * real mode limit bits 012
185  * 011 - 64MB
186  * 111 - 128MB
187  * 100 - 256MB
188  * x10 - 1GB
189  * x01 - 16GB
190  * 000 - 256GB
191  */
192 
193 #endif /* _POWERPC_OEA_HID_H_ */
194