1 /*        $NetBSD: mpc106reg.h,v 1.5 2024/02/29 22:02:41 andvar Exp $ */
2 
3 /*-
4  * Copyright (c) 2001,2007 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Klaus J. Klein and Tim Rightnour
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _DEV_IC_MPC106REG_H_
33 #define _DEV_IC_MPC106REG_H_
34 
35 /*
36  * Register definitions for the Motorola MPC106 PCI Bridge/Memory
37  * Controller (PCIB/MC), as found in:
38  *
39  * MPC106 PCI Bridge/Memory Controller User's Manual,
40  * Motorola Publication Number MPC106UM/AD.
41  */
42 
43 #define   MPC106_PMCR1                  0x70      /* Power Management configuration */
44 #define MPC106_PMCR2                    0x72      /* PMC register 2 */
45 #define MPC106_ODCR           0x73      /* Output Driver Control Register */
46 #define   MPC106_MEMSTARTADDR1          0x80      /* Memory starting address 1 */
47 #define   MPC106_MEMSTARTADDR2          0x84      /* Memory starting address 2 */
48 #define   MPC106_EXTMEMSTARTADDR1       0x88      /* Extd. memory starting address 1 */
49 #define   MPC106_EXTMEMSTARTADDR2       0x8c      /* Extd. memory starting address 2 */
50 #define   MPC106_MEMENDADDR1  0x90      /* Memory ending address 1 */
51 #define   MPC106_MEMENDADDR2  0x94      /* Memory ending address 2 */
52 #define   MPC106_EXTMEMENDADDR1         0x98      /* Extd. memory ending address 1 */
53 #define   MPC106_EXTMEMENDADDR2         0x9c      /* Extd. memory ending address 2 */
54 #define   MPC106_MEMEN                  0xa0      /* Memory enable */
55 #define   MPC106_PICR1                  0xa8      /* Processor Interface Config 1 */
56 #define    MPC106_PICR1_CBA_MASK         __BITS(31,24)      /* Copy-back addr mask */
57 #define    MPC106_PICR1_BREAD_WS         __BITS(23,22)      /* Burst read wait states: */
58 #define    MPC106_PICR1_BREAD_WS0        0x00000000         /*  0 wait states */
59 #define    MPC106_PICR1_BREAD_WS1        0x00400000         /*  1 wait state */
60 #define    MPC106_PICR1_BREAD_WS2        0x00800000         /*  2 wait states */
61 #define    MPC106_PICR1_BREAD_WS3        0x00c00000         /*  3 wait states */
62 #define    MPC106_PICR1_CACHE_1G         __BIT(21)          /* Cache 0-1G only */
63 #define    MPC106_PICR1_RCS0   __BIT(20)          /* ROM on 0:PCI, 1:60x bus */
64 #define    MPC106_PICR1_XIO_MODE         __BIT(19)          /* 0:Contig, 1:Discontig mode */
65 #define    MPC106_PICR1_PROC_TYPE        __BITS(18,17)      /* Processor type */
66 #define    MPC106_PICR1_PROC_TYPE_601   0x00000000
67 #define    MPC106_PICR1_PROC_TYPE_RSVD  0x00020000
68 #define    MPC106_PICR1_PROC_TYPE_603   0x00040000 /* also 740/750 */
69 #define    MPC106_PICR1_PROC_TYPE_604   0x00060000
70 #define    MPC106_PICR1_XATS   __BIT(16)          /* Address map 0:B, 1:A */
71 #define    MPC106_PICR1_MP_ID  __BITS(15,14)      /* Multiprocessor identifier */
72           /* 2 bits describe which proc is reading this reg, 0-3 */
73 #define    MPC106_PICR1_LBA_EN           __BIT(13)          /* Local bus slave enable */
74 #define    MPC106_PICR1_FLASHWR_EN __BIT(12)      /* Flash writes enable */
75 #define    MPC106_PICR1_MCP_EN           __BIT(11)          /* Machine check enable */
76 #define    MPC106_PICR1_TEA_EN           __BIT(10)          /* Transfer error enable */
77 #define    MPC106_PICR1_DPARK  __BIT(9) /* Data bus park */
78 #define    MPC106_PICR1_EXT_L2_EN        __BIT(8) /* external l2 enable */
79 #define    MPC106_PICR1_NO_PORT_REGS __BIT(7)     /* Implement ext. conf regs */
80 #define    MPC106_PICR1_ST_GATH_EN __BIT(6)       /* Store gathering enable */
81 #define    MPC106_PICR1_LE_MODE          __BIT(5) /* 0:Big, 1:Little endian */
82 #define    MPC106_PICR1_LOOP_SNOOP __BIT(4)       /* Snoop looping enable */
83 #define    MPC106_PICR1_APARK  __BIT(3) /* Address bus park */
84 #define    MPC106_PICR1_SPECREADS        __BIT(2) /* Speculative read enable */
85 #define    MPC106_PICR1_L2_MP  __BITS(1,0)        /* L2/multiproc config: */
86           /* must be read with MPC106_PICR1_EXT_L2_EN :
87            * L2_EN  L2_MP     Meaning
88            * 0                00        Uniprocessor/none
89            * 0                01        internal control/write-through
90            * 0                10        internal control/write-back
91            * 0                11        Multiproc/none
92            * 1                00        Uniprocessor/external L2
93            * 1                11        Multiproc/external L2
94            */
95 #define    MPC106_PICR1_L2_MP_NONE 0x00000000     /*  Uniprocessor/none */
96 #define    MPC106_PICR1_L2_MP_WT         0x00000001         /*  Write-through */
97 #define    MPC106_PICR1_L2_MP_WB         0x00000002         /*  Write-back */
98 #define    MPC106_PICR1_L2_MP_MP         0x00000003         /*  Multiprocessor */
99 #define   MPC106_PICR2                  0xac      /* Processor Interface Config 2 */
100 #define    MPC106_PICR2_L2_UPD_EN        __BIT(31)          /* Service L2 cache misses */
101 #define    MPC106_PICR2_L2_EN  __BIT(30)          /* L2 cache internal enable */
102           /* also available at 0x81C */
103 #define    MPC106_PICR2_NOSERCFG         __BIT(29)          /* serialized config writes */
104 #define    MPC106_PICR2_FLUSH_L2         __BIT(28)          /* 0->1: flush L2 cache */
105 #define    MPC106_PICR2_NOSNOOP_EN __BIT(27)      /* snoop transactions */
106 #define  MPC106_PICR2_CF_FF0_LOC __BIT(26)        /* ROM remapping enable */
107 #define    MPC106_PICR2_FLASH_LOCK __BIT(25)      /* Flash write lockout */
108 #define    MPC106_PICR2_FAST_L2_MODE __BIT(24)    /* Fast L2 mode timing */
109 #define    MPC106_PICR2_DATA_RAM_TYPE __BITS(23,22)         /* L2 data RAM type */
110 #define    MPC106_PICR2_DATA_RAM_TYPE_SYNCBRST    0x00000000
111 #define    MPC106_PICR2_DATA_RAM_TYPE_PIPEBRST    0x00400000
112 #define    MPC106_PICR2_DATA_RAM_TYPE_ASYNC       0x00800000
113 #define    MPC106_PICR2_DATA_RAM_TYPE_RSVD1       0x00c00000
114 #define    MPC106_PICR2_WMODE  __BITS(21,20)      /* SRAM write timing */
115 #define    MPC106_PICR2_WMODE_NORMAL    0x00000000 /* norm w/o partial update */
116 #define    MPC106_PICR2_WMODE_NORMAL_PART         0x00100000 /* norm with part upd. */
117 #define    MPC106_PICR2_WMODE_DELAYED   0x00200000
118 #define    MPC106_PICR2_WMODE_EARLY     0x00300000
119 #define    MPC106_PICR2_SNOOP_WS         __BITS(19,18)      /* Snoop wait states: */
120 #define    MPC106_PICR2_SNOOP_WS0        0x00000000         /*  0 wait states */
121 #define    MPC106_PICR2_SNOOP_WS1        0x00040000         /*  1 wait state */
122 #define    MPC106_PICR2_SNOOP_WS2        0x00080000         /*  2 wait states */
123 #define    MPC106_PICR2_SNOOP_WS3        0x000c0000         /*  3 wait states */
124 #define    MPC106_PICR2_MOD_HIGH         __BIT(17)          /* Cache modified polarity */
125 #define    MPC106_PICR2_HIT_HIGH         __BIT(16)          /* Cache hit polarity */
126 #define    MPC106_PICR2_RSVD2  __BIT(15)
127 #define    MPC106_PICR2_ADDR_ONLY_DISABLE __BIT(14) /* L2 ignores CLEAN/
128                                                                   FLUSH/KILL ops */
129 #define    MPC106_PICR2_HOLD   __BIT(13)          /* L2 tag address hold */
130 #define    MPC106_PICR2_INV_MODE         __BIT(12)          /* L2 invalidate mode enable */
131 #define    MPC106_PICR2_RWITM  __BIT(11)          /* read with intent to modify
132                                                                line-fill disable */
133 #define    MPC106_PICR2_L2_HIT_DELAY     __BITS(10,9)       /* L2 hit delay */
134 #define    MPC106_PICR2_L2_HIT_DELAYRSVD           0x0000000          /*  reserved */
135 #define    MPC106_PICR2_L2_HIT_DELAY1    0x0000200          /*  1 clock cycle */
136 #define    MPC106_PICR2_L2_HIT_DELAY2    0x0000400          /*  2 clock cycles */
137 #define    MPC106_PICR2_L2_HIT_DELAY3    0x0000600          /*  3 clock cycles */
138 #define    MPC106_PICR2_BANKS __BIT(8)   /* L2: nrof banks */
139 #define    MPC106_PICR2_FAST_CASTOUT __BIT(7)      /* L2 Fast castout timing */
140 #define    MPC106_PICR2_TOE_WIDTH       __BIT(6)   /* TOE 0:2, 1:3 clock cycles */
141 #define    MPC106_PICR2_L2_SIZE         __BITS(5,4)          /* L2 cache size */
142 #define    MPC106_PICR2_L2_SIZE_256K     0x00000000
143 #define    MPC106_PICR2_L2_SIZE_512K     0x00000010
144 #define    MPC106_PICR2_L2_SIZE_1M       0x00000020
145 #define    MPC106_PICR2_L2_SIZE_RSVD     0x00000030
146 #define    MPC106_PICR2_APHASE_WS        __BITS(3,2)         /* Addr. phase wait states: */
147 #define    MPC106_PICR2_APHASE_WS0 0x00000000      /*  0 clock cycles */
148 #define    MPC106_PICR2_APHASE_WS1 0x00000004      /*  1 clock cycle */
149 #define    MPC106_PICR2_APHASE_WS2 0x00000008      /*  2 clock cycles */
150 #define    MPC106_PICR2_APHASE_WS3 0x0000000c      /*  3 clock cycles */
151 #define    MPC106_PICR2_DOE    __BIT(1)  /* L2 first data read timing */
152 #define    MPC106_PICR2_WDATA  __BIT(0)  /* L2 first data write timing*/
153 #define MPC106_ECC_SBECR      0xb8      /* ECC single bit err count reg */
154 #define MPC106_ECC_SBETR      0xb9      /* ECC single bit error trigger */
155 #define   MPC106_AOVPR1                 0xba      /* Alt. OS-visible parameters 1 */
156 #define   MPC106_AOVPR2                 0xbb      /* Alt. OS-visible parameters 2 */
157 #define   MPC106_ERRENR1                0xc0      /* Error Enabling ter 1 */
158 #define   MPC106_ERRDR1                 0xc1      /* Error Detection Register 1 */
159 #define   MPC106_60xBUSERRSTATR         0xc3      /* 60x Bus Error Status Register */
160 #define   MPC106_ERRENR2                0xc4      /* Error Enabling Register 2 */
161 #define   MPC106_ERRDR2                 0xc5      /* Error Detection Register 2 */
162 #define   MPC106_PCIBUSERRSTATR         0xc7      /* PCI Bus Error Status Register */
163 #define   MPC106_ERRADDRR               0xc8      /* 60x/PCI Error Address Register */
164 #define MPC106_ESCR1                    0xe0      /* emulation support conf reg 1 */
165 #define MPC106_ESCR2                    0xe8      /* emulation support conf reg 2 */
166 #define MPC106_MMSR1                    0xe4      /* modified memory status reg 1 */
167 #define MPC106_MMSR2                    0xec      /* modified memory status reg 2 */
168 #define   MPC106_MCCR1                  0xf0      /* Memory control configuration 1 */
169 #define  MPC106_MCCR1_ROMNAL  __BITS(31,28)       /* burst mode rom reads */
170 #define  MPC106_MCCR1_ROMFAL  __BITS(27,23)       /* nonburst mode rom reads */
171 #define  MPC106_MCCR1_501_MODE          __BIT(22) /* 501 mode conf signal */
172 #define  MPC106_MCCR1_8N64    __BIT(21)
173 #define  MPC106_MCCR1_BURST   __BIT(20)
174 #define  MPC106_MCCR1_MEMGO   __BIT(19)
175 #define  MPC106_MCCR1_SREN    __BIT(18)
176 #define  MPC106_MCCR1_RAMTYPE __BIT(17) /* 0:SDRAM 1:DRAM/EDO */
177 #define  MPC106_MCCR1_PCKEN   __BIT(16) /* dis/enable parity */
178 /* bits 15-0 are ram bank row address bit counts */
179 #define   MPC106_MCCR2                  0xf4      /* Memory control configuration 2 */
180 #define  MPC106_MCRR2_TSWAIT  __BITS(31,29)
181 #define  MPC106_MCRR2_RESV0   __BITS(28,22)       /* reserved */
182 #define  MPC106_MCRR2_BSTOPRE0          __BIT(21)
183 #define  MPC106_MCRR2_BSTOPRE1          __BIT(20)
184 #define  MPC106_MCRR2_EXT_ECM_PAR_EN    __BIT(19) /* ext. ECM parity check */
185 #define  MPC106_MCRR2_EXT_ECM_ECC_EN    __BIT(18) /* ext. ECM ECC enable */
186 #define  MPC106_MCRR2_ECC_EN  __BIT(17) /* ECC enable */
187 #define  MPC106_MCRR2_EDO     __BIT(16) /* EDO enable */
188 #define  MPC106_MCRR2_REFINT  __BITS(15,2)        /* refresh interval */
189 #define  MPC106_MCRR2_BUFMODE __BIT(1)  /* buffer mode */
190 #define  MPC106_MCRR2_RMW_PAR __BIT(0)  /* RMW parity enable */
191 #define   MPC106_MCCR3                  0xf8      /* Memory control configuration 3 */
192 #define   MPC106_MCCR4                  0xfc      /* Memory control configuration 4 */
193 #define  MPC106_MCRR4_PRETOACT          __BITS(31,28)
194 #define  MPC106_MCRR4_ACTOPRE __BITS(27,24)
195 #define  MPC106_MCRR4_EXT_ECM_EN __BITS(23,22)    /* ext ecm enable */
196                                                             /* 00= disabled 11=enabled */
197 
198 #define MPC106_ECR1 0x092     /* External config register 1 (LE mode) */
199 #define MPC106_ECR2 0x81C     /* External config register 2 */
200 #define MPC106_ECR2_L2_UPD    0x80      /* same as bit31 of PICR2 */
201 #define MPC106_ECR2_L2_EN     0x40      /* L2 cache enable */
202 #define MPC106_ECR2_TEA_EN    0x20      /* TEA enable */
203 #define MPC106_ECR2_L2_FLUSH  0x10      /* l2 cache flush */
204 #define MPC106_ECR3 0x850
205 
206 #endif /* !_DEV_IC_MPC106REG_H_ */
207