Annotation of sys/arch/mvme68k/dev/pcctworeg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: pcctworeg.h,v 1.6 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: * MVME16x PCC2 chip: sort of a confused mish-mash of the MC in the 162
30: * and the PCC in the 147
31: */
32: struct pcctworeg {
33: volatile u_char pcc2_chipid;
34: volatile u_char pcc2_chiprev;
35: volatile u_char pcc2_genctl;
36: volatile u_char pcc2_vecbase; /* irq vector base */
37: volatile u_long pcc2_t1cmp; /* timer1 compare */
38: volatile u_long pcc2_t1count; /* timer1 count */
39: volatile u_long pcc2_t2cmp; /* timer2 compare */
40: volatile u_long pcc2_t2count; /* timer2 count */
41: volatile u_char pcc2_pscalecnt; /* timer prescaler counter */
42: volatile u_char pcc2_pscaleadj; /* timer prescaler adjust */
43: volatile u_char pcc2_t2ctl; /* timer2 ctrl reg */
44: volatile u_char pcc2_t1ctl; /* timer1 ctrl reg */
45: volatile u_char pcc2_gpioirq; /* gpio irq */
46: volatile u_char pcc2_gpio; /* gpio i/o */
47: volatile u_char pcc2_t2irq;
48: volatile u_char pcc2_t1irq;
49: volatile u_char pcc2_sccerr;
50: volatile u_char pcc2_sccirq;
51: volatile u_char pcc2_scctx;
52: volatile u_char pcc2_sccrx;
53: volatile u_char :8;
54: volatile u_char :8;
55: volatile u_char :8;
56: volatile u_char pcc2_sccmoiack;
57: volatile u_char :8;
58: volatile u_char pcc2_scctxiack;
59: volatile u_char :8;
60: volatile u_char pcc2_sccrxiack;
61: volatile u_char pcc2_ieerr;
62: volatile u_char :8;
63: volatile u_char pcc2_ieirq;
64: volatile u_char pcc2_iefailirq;
65: volatile u_char pcc2_ncrerr;
66: volatile u_char :8;
67: volatile u_char :8;
68: volatile u_char pcc2_ncrirq;
69: volatile u_char pcc2_prtairq;
70: volatile u_char pcc2_prtfirq;
71: volatile u_char pcc2_prtsirq;
72: volatile u_char pcc2_prtpirq;
73: volatile u_char pcc2_prtbirq;
74: volatile u_char :8;
75: volatile u_char pcc2_prtstat;
76: volatile u_char pcc2_prtctl;
77: volatile u_short pcc2_speed; /* DO NOT USE */
78: volatile u_short pcc2_prtdat;
79: volatile u_short :16;
80: volatile u_char pcc2_ipl;
81: volatile u_char pcc2_mask;
82: };
83: #define PCC2_PCC2CHIP_OFF 0x42000
84: #define PCC2_CHIPID 0x20
85:
86: /*
87: * points to system's PCCTWO. This is not active until the pcctwo0
88: * device has been attached.
89: */
90: extern struct pcctworeg *sys_pcc2;
91:
92: /*
93: * We lock off our interrupt vector at 0x50.
94: */
95: #define PCC2_VECBASE 0x50
96: #define PCC2_NVEC 16
97:
98: /*
99: * Vectors we use
100: */
101: #define PCC2V_NCR 0x05
102: #define PCC2V_IEFAIL 0x06
103: #define PCC2V_IE 0x07
104: #define PCC2V_TIMER2 0x08
105: #define PCC2V_TIMER1 0x09
106: #define PCC2V_GPIO 0x0a
107: #define PCC2V_SCC_RXE 0x0c
108: #define PCC2V_SCC_M 0x0d
109: #define PCC2V_SCC_TX 0x0e
110: #define PCC2V_SCC_RX 0x0f
111:
112: #define PCC2_TCTL_CEN 0x01
113: #define PCC2_TCTL_COC 0x02
114: #define PCC2_TCTL_COVF 0x04
115: #define PCC2_TCTL_OVF 0xf0
116:
117: #define PCC2_GPIO_PLTY 0x80
118: #define PCC2_GPIO_EL 0x40
119:
120: #define PCC2_GPIOCR_OE 0x2
121: #define PCC2_GPIOCR_O 0x1
122:
123: #define PCC2_SCC_AVEC 0x08
124: #define PCC2_SCCRX_INHIBIT (0 << 6)
125: #define PCC2_SCCRX_SNOOP (1 << 6)
126: #define PCC2_SCCRX_INVAL (2 << 6)
127: #define PCC2_SCCRX_RESV (3 << 6)
128:
129: #define pcc2_timer_us2lim(us) (us) /* timer increments in "us" */
130:
131: #define PCC2_IRQ_IPL 0x07
132: #define PCC2_IRQ_ICLR 0x08
133: #define PCC2_IRQ_IEN 0x10
134: #define PCC2_IRQ_INT 0x20
135:
136: #define PCC2_IEERR_SCLR 0x01
137:
138: #define PCC2_GENCTL_FAST 0x01
139: #define PCC2_GENCTL_IEN 0x02
140: #define PCC2_GENCTL_C040 0x03
141:
142: #define PCC2_SC_INHIBIT (0 << 6)
143: #define PCC2_SC_SNOOP (1 << 6)
144: #define PCC2_SC_INVAL (2 << 6)
145: #define PCC2_SC_RESV (3 << 6)
146:
147: int pcctwointr_establish(int, struct intrhand *, const char *);
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