Annotation of sys/arch/mvme68k/dev/mcreg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: mcreg.h,v 1.9 2004/07/30 22:29:45 miod Exp $ */
2:
3: /*
4: * Copyright (c) 1995 Theo de Raadt
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26: */
27:
28: /*
29: * VME162 MCchip
30: */
31: struct mcreg {
32: /*0x00*/ volatile u_char mc_chipid;
33: /*0x01*/ volatile u_char mc_chiprev;
34: /*0x02*/ volatile u_char mc_genctl;
35: /*0x03*/ volatile u_char mc_vecbase;
36: /*0x04*/ volatile u_long mc_t1cmp;
37: /*0x08*/ volatile u_long mc_t1count;
38: /*0x0C*/ volatile u_long mc_t2cmp;
39: /*0x10*/ volatile u_long mc_t2count;
40: /*0x14*/ volatile u_char mc_lsbprescale;
41: /*0x15*/ volatile u_char mc_adjprescale;
42: /*0x16*/ volatile u_char mc_t2ctl;
43: /*0x17*/ volatile u_char mc_t1ctl;
44: /*0x18*/ volatile u_char mc_t4irq;
45: /*0x19*/ volatile u_char mc_t3irq;
46: /*0x1A*/ volatile u_char mc_t2irq;
47: /*0x1B*/ volatile u_char mc_t1irq;
48: /*0x1C*/ volatile u_char mc_parity;
49: /*0x1D*/ volatile u_char mc_zsirq;
50: /*0x1E*/ volatile u_char mc_t4ctl;
51: /*0x1F*/ volatile u_char mc_t3ctl;
52: /*0x20*/ volatile u_short mc_drambase;
53: /*0x22*/ volatile u_short mc_srambase;
54: /*0x24*/ volatile u_char mc_dramsize;
55: /*0x25*/ volatile u_char mc_memoptions;
56: #define MC_MEMOPTIONS_SRAMMASK 0x18
57: #define MC_MEMOPTIONS_SRAM128K 0x00
58: #define MC_MEMOPTIONS_SRAM512K 0x08
59: #define MC_MEMOPTIONS_SRAM1M 0x10
60: #define MC_MEMOPTIONS_SRAM2M 0x18
61: #define MC_MEMOPTIONS_DRAMMASK 0x07
62: #define MC_MEMOPTIONS_DRAM1M 0x00
63: #define MC_MEMOPTIONS_DRAM2M 0x01
64: #define MC_MEMOPTIONS_DRAM4M 0x03
65: #define MC_MEMOPTIONS_DRAM4M2 0x04
66: #define MC_MEMOPTIONS_DRAM8M 0x05
67: #define MC_MEMOPTIONS_DRAM16M 0x07
68: /*0x26*/ volatile u_char mc_sramsize;
69: /*0x27*/ volatile u_char mc_resv1;
70: /*0x28*/ volatile u_char mc_ieerr;
71: /*0x29*/ volatile u_char mc_resv2;
72: /*0x2A*/ volatile u_char mc_ieirq;
73: /*0x2B*/ volatile u_char mc_iefailirq;
74: /*0x2C*/ volatile u_char mc_ncrerr;
75: /*0x2D*/ volatile u_char mc_input;
76: #define MC_INPUT_USR1 0x80
77: #define MC_INPUT_USR2 0x40
78: #define MC_INPUT_USR3 0x20
79: #define MC_INPUT_USR4 0x10
80: #define MC_INPUT_PROM 0x08
81: #define MC_INPUT_BUG3 0x04
82: #define MC_INPUT_BUG2 0x02
83: #define MC_INPUT_BUG1 0x01
84: /*0x2E*/ volatile u_char mc_ver;
85: /*0x01*/ volatile u_char mc_ncrirq;
86: /*0x01*/ volatile u_long mc_t3cmp;
87: /*0x01*/ volatile u_long mc_t3count;
88: /*0x01*/ volatile u_long mc_t4cmp;
89: /*0x01*/ volatile u_long mc_t4count;
90: /*0x01*/ volatile u_char mc_busclock;
91: /*0x01*/ volatile u_char mc_promtime;
92: /*0x01*/ volatile u_char mc_flashctl;
93: #define MC_FLASHCTL_WRITE 0x08
94: /*0x01*/ volatile u_char mc_abortirq;
95: /*0x01*/ volatile u_char mc_resetctl;
96: /*0x01*/ volatile u_char mc_watchdogctl;
97: /*0x01*/ volatile u_char mc_watchdogtime;
98: /*0x01*/ volatile u_char mc_resv3;
99: /*0x01*/ volatile u_char mc_dramctl;
100: /*0x01*/ volatile u_char mc_resv4;
101: /*0x01*/ volatile u_char mc_mpustat;
102: /*0x01*/ volatile u_char mc_resv5;
103: /*0x01*/ volatile u_long mc_prescale;
104: };
105: #define MC_MCCHIP_OFF 0x42000
106: #define MC_CHIPID 0x84
107:
108: /*
109: * points to system's MCchip registers
110: */
111: extern struct mcreg *sys_mc;
112:
113: /*
114: * for the console we need zs phys addr
115: */
116: #define ZS0_PHYS_162 (0xfff45000)
117: #define ZS1_PHYS_162 (0xfff45801)
118:
119: /*
120: * We lock off our interrupt vector at 0x50.
121: */
122: #define MC_VECBASE 0x50
123: #define MC_NVEC 16
124:
125: #define MCV_ZS 0x00
126: #define MCV_TIMER4 0x03
127: #define MCV_TIMER3 0x04
128: #define MCV_NCR 0x05
129: #define MCV_IEFAIL 0x06
130: #define MCV_IE 0x07
131: #define MCV_TIMER2 0x08
132: #define MCV_TIMER1 0x09
133: #define MCV_PARITY 0x0b
134: #define MCV_ABORT 0x0e
135:
136: #define MC_TCTL_CEN 0x01
137: #define MC_TCTL_COC 0x02
138: #define MC_TCTL_COVF 0x04
139: #define MC_TCTL_OVF 0xf0
140:
141: #define MC_ABORT_ABS 0x40
142:
143: #define mc_timer_us2lim(us) (us) /* timer increments in "us" */
144:
145: #define MC_IRQ_IPL 0x07
146: #define MC_IRQ_ICLR 0x08
147: #define MC_IRQ_IEN 0x10
148: #define MC_IRQ_INT 0x20
149:
150: #define MC_GENCTL_IEN 0x02
151:
152: #define MC_IEERR_SCLR 0x01
153:
154: #define MC_SC_INHIBIT (0 << 6)
155: #define MC_SC_SNOOP (1 << 6)
156: #define MC_SC_INVAL (2 << 6)
157: #define MC_SC_RESV (3 << 6)
158:
159: #define MC_VER_ISLX 0x40
160: #define MC_VER_REAL040 0x10
161: #define MC_VER_NOIE 0x08
162: #define MC_VER_NONCR 0x04
163: #define MC_VER_NOVME 0x02
164: #define MC_VER_33MHZ 0x01
165:
166: void mc_enableflashwrite(int on);
167: #define MC_ENAFLASHWRITE_OFFSET 0xcc000
168: #define MC_DISFLASHWRITE_OFFSET 0xc8000
169: int mc_hasflash(void);
170:
171: int mcintr_establish(int, struct intrhand *, const char *);
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