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/* $OpenBSD: mcreg.h,v 1.5 2000/01/29 04:11:25 smurph Exp $ */
/*
* Copyright (c) 1995 Theo de Raadt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed under OpenBSD by
* Theo de Raadt for Willowglen Singapore.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* VME162 MCchip
*/
struct mcreg {
/*0x00*/ volatile u_char mc_chipid;
/*0x01*/ volatile u_char mc_chiprev;
/*0x02*/ volatile u_char mc_genctl;
/*0x03*/ volatile u_char mc_vecbase;
/*0x04*/ volatile u_long mc_t1cmp;
/*0x08*/ volatile u_long mc_t1count;
/*0x0C*/ volatile u_long mc_t2cmp;
/*0x10*/ volatile u_long mc_t2count;
/*0x14*/ volatile u_char mc_lsbprescale;
/*0x15*/ volatile u_char mc_adjprescale;
/*0x16*/ volatile u_char mc_t2ctl;
/*0x17*/ volatile u_char mc_t1ctl;
/*0x18*/ volatile u_char mc_t4irq;
/*0x19*/ volatile u_char mc_t3irq;
/*0x1A*/ volatile u_char mc_t2irq;
/*0x1B*/ volatile u_char mc_t1irq;
/*0x1C*/ volatile u_char mc_parity;
/*0x1D*/ volatile u_char mc_zsirq;
/*0x1E*/ volatile u_char mc_t4ctl;
/*0x1F*/ volatile u_char mc_t3ctl;
/*0x20*/ volatile u_short mc_drambase;
/*0x22*/ volatile u_short mc_srambase;
/*0x24*/ volatile u_char mc_dramsize;
/*0x25*/ volatile u_char mc_memoptions;
#define MC_MEMOPTIONS_SRAMMASK 0x18
#define MC_MEMOPTIONS_SRAM128K 0x00
#define MC_MEMOPTIONS_SRAM512K 0x08
#define MC_MEMOPTIONS_SRAM1M 0x10
#define MC_MEMOPTIONS_SRAM2M 0x18
#define MC_MEMOPTIONS_DRAMMASK 0x07
#define MC_MEMOPTIONS_DRAM1M 0x00
#define MC_MEMOPTIONS_DRAM2M 0x01
#define MC_MEMOPTIONS_DRAM4M 0x03
#define MC_MEMOPTIONS_DRAM4M2 0x04
#define MC_MEMOPTIONS_DRAM8M 0x05
#define MC_MEMOPTIONS_DRAM16M 0x07
/*0x26*/ volatile u_char mc_sramsize;
/*0x27*/ volatile u_char mc_resv1;
/*0x28*/ volatile u_char mc_ieerr;
/*0x29*/ volatile u_char mc_resv2;
/*0x2A*/ volatile u_char mc_ieirq;
/*0x2B*/ volatile u_char mc_iefailirq;
/*0x2C*/ volatile u_char mc_ncrerr;
/*0x2D*/ volatile u_char mc_input;
#define MC_INPUT_USR1 0x80
#define MC_INPUT_USR2 0x40
#define MC_INPUT_USR3 0x20
#define MC_INPUT_USR4 0x10
#define MC_INPUT_PROM 0x08
#define MC_INPUT_BUG3 0x04
#define MC_INPUT_BUG2 0x02
#define MC_INPUT_BUG1 0x01
/*0x2E*/ volatile u_char mc_ver;
/*0x01*/ volatile u_char mc_ncrirq;
/*0x01*/ volatile u_long mc_t3cmp;
/*0x01*/ volatile u_long mc_t3count;
/*0x01*/ volatile u_long mc_t4cmp;
/*0x01*/ volatile u_long mc_t4count;
/*0x01*/ volatile u_char mc_busclock;
/*0x01*/ volatile u_char mc_promtime;
/*0x01*/ volatile u_char mc_flashctl;
#define MC_FLASHCTL_WRITE 0x08
/*0x01*/ volatile u_char mc_abortirq;
/*0x01*/ volatile u_char mc_resetctl;
/*0x01*/ volatile u_char mc_watchdogctl;
/*0x01*/ volatile u_char mc_watchdogtime;
/*0x01*/ volatile u_char mc_resv3;
/*0x01*/ volatile u_char mc_dramctl;
/*0x01*/ volatile u_char mc_resv4;
/*0x01*/ volatile u_char mc_mpustat;
/*0x01*/ volatile u_char mc_resv5;
/*0x01*/ volatile u_long mc_prescale;
};
#define MC_MCCHIP_OFF 0x42000
#define MC_CHIPID 0x84
/*
* points to system's MCchip registers
*/
extern struct mcreg *sys_mc;
/*
* for the console we need zs phys addr
*/
#define ZS0_PHYS_162 (0xfff45000)
#define ZS1_PHYS_162 (0xfff45801)
/*
* We lock off our interrupt vector at 0x50.
*/
#define MC_VECBASE 0x50
#define MC_NVEC 16
#define MCV_ZS 0x00
#define MCV_TIMER4 0x03
#define MCV_TIMER3 0x04
#define MCV_NCR 0x05
#define MCV_IEFAIL 0x06
#define MCV_IE 0x07
#define MCV_TIMER2 0x08
#define MCV_TIMER1 0x09
#define MCV_PARITY 0x0b
#define MCV_ABORT 0x0e
#define MC_TCTL_CEN 0x01
#define MC_TCTL_COC 0x02
#define MC_TCTL_COVF 0x04
#define MC_TCTL_OVF 0xf0
#define MC_ABORT_ABS 0x40
#define mc_timer_us2lim(us) (us) /* timer increments in "us" */
#define MC_IRQ_IPL 0x07
#define MC_IRQ_ICLR 0x08
#define MC_IRQ_IEN 0x10
#define MC_IRQ_INT 0x20
#define MC_GENCTL_IEN 0x02
#define MC_IEERR_SCLR 0x01
#define MC_SC_INHIBIT (0 << 6)
#define MC_SC_SNOOP (1 << 6)
#define MC_SC_INVAL (2 << 6)
#define MC_SC_RESV (3 << 6)
#define MC_VER_ISLX 0x40
#define MC_VER_REAL040 0x10
#define MC_VER_NOIE 0x08
#define MC_VER_NONCR 0x04
#define MC_VER_NOVME 0x02
#define MC_VER_33MHZ 0x01
void mc_enableflashwrite __P((int on));
#define MC_ENAFLASHWRITE_OFFSET 0xcc000
#define MC_DISFLASHWRITE_OFFSET 0xc8000
int mc_hasflash __P((void));
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