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/* $OpenBSD: pcctworeg.h,v 1.3 1996/04/28 11:03:28 deraadt 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.
*/
/*
* MVME16x PCC2 chip: sort of a confused mish-mash of the MC in the 162
* and the PCC in the 147
*/
struct pcctworeg {
volatile u_char pcc2_chipid;
volatile u_char pcc2_chiprev;
volatile u_char pcc2_genctl;
volatile u_char pcc2_vecbase; /* irq vector base */
volatile u_long pcc2_t1cmp; /* timer1 compare */
volatile u_long pcc2_t1count; /* timer1 count */
volatile u_long pcc2_t2cmp; /* timer2 compare */
volatile u_long pcc2_t2count; /* timer2 count */
volatile u_char pcc2_pscalecnt; /* timer prescaler counter */
volatile u_char pcc2_pscaleadj; /* timer prescaler adjust */
volatile u_char pcc2_t2ctl; /* timer2 ctrl reg */
volatile u_char pcc2_t1ctl; /* timer1 ctrl reg */
volatile u_char pcc2_gpioirq; /* gpio irq */
volatile u_char pcc2_gpio; /* gpio i/o */
volatile u_char pcc2_t2irq;
volatile u_char pcc2_t1irq;
volatile u_char pcc2_sccerr;
volatile u_char pcc2_sccirq;
volatile u_char pcc2_scctx;
volatile u_char pcc2_sccrx;
volatile u_char :8;
volatile u_char :8;
volatile u_char :8;
volatile u_char pcc2_sccmoiack;
volatile u_char :8;
volatile u_char pcc2_scctxiack;
volatile u_char :8;
volatile u_char pcc2_sccrxiack;
volatile u_char pcc2_ieerr;
volatile u_char :8;
volatile u_char pcc2_ieirq;
volatile u_char pcc2_iefailirq;
volatile u_char pcc2_ncrerr;
volatile u_char :8;
volatile u_char :8;
volatile u_char pcc2_ncrirq;
volatile u_char pcc2_prtairq;
volatile u_char pcc2_prtfirq;
volatile u_char pcc2_prtsirq;
volatile u_char pcc2_prtpirq;
volatile u_char pcc2_prtbirq;
volatile u_char :8;
volatile u_char pcc2_prtstat;
volatile u_char pcc2_prtctl;
volatile u_short pcc2_speed; /* DO NOT USE */
volatile u_short pcc2_prtdat;
volatile u_short :16;
volatile u_char pcc2_ipl;
volatile u_char pcc2_mask;
};
#define PCC2_PCC2CHIP_OFF 0x42000
#define PCC2_CHIPID 0x20
/*
* points to system's PCCTWO. This is not active until the pcctwo0
* device has been attached.
*/
extern struct pcctworeg *sys_pcc2;
/*
* We lock off our interrupt vector at 0x50.
*/
#define PCC2_VECBASE 0x50
#define PCC2_NVEC 16
/*
* Vectors we use
*/
#define PCC2V_NCR 0x05
#define PCC2V_IEFAIL 0x06
#define PCC2V_IE 0x07
#define PCC2V_TIMER2 0x08
#define PCC2V_TIMER1 0x09
#define PCC2V_GPIO 0x0a
#define PCC2V_SCC_RXE 0x0c
#define PCC2V_SCC_M 0x0d
#define PCC2V_SCC_TX 0x0e
#define PCC2V_SCC_RX 0x0f
#define PCC2_TCTL_CEN 0x01
#define PCC2_TCTL_COC 0x02
#define PCC2_TCTL_COVF 0x04
#define PCC2_TCTL_OVF 0xf0
#define PCC2_GPIO_PLTY 0x80
#define PCC2_GPIO_EL 0x40
#define PCC2_GPIOCR_OE 0x2
#define PCC2_GPIOCR_O 0x1
#define PCC2_SCC_AVEC 0x08
#define PCC2_SCCRX_INHIBIT (0 << 6)
#define PCC2_SCCRX_SNOOP (1 << 6)
#define PCC2_SCCRX_INVAL (2 << 6)
#define PCC2_SCCRX_RESV (3 << 6)
#define pcc2_timer_us2lim(us) (us) /* timer increments in "us" */
#define PCC2_IRQ_IPL 0x07
#define PCC2_IRQ_ICLR 0x08
#define PCC2_IRQ_IEN 0x10
#define PCC2_IRQ_INT 0x20
#define PCC2_IEERR_SCLR 0x01
#define PCC2_GENCTL_FAST 0x01
#define PCC2_GENCTL_IEN 0x02
#define PCC2_GENCTL_C040 0x03
#define PCC2_SC_INHIBIT (0 << 6)
#define PCC2_SC_SNOOP (1 << 6)
#define PCC2_SC_INVAL (2 << 6)
#define PCC2_SC_RESV (3 << 6)
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