Annotation of sys/arch/mvme68k/dev/pcctworeg.h, Revision 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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