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