236 lines
9.8 KiB
C
236 lines
9.8 KiB
C
/* $NetBSD: asic.h,v 1.2 1995/03/28 18:14:22 jtc Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1991,1990,1989,1994,1995 Carnegie Mellon University
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and
|
|
* its documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
|
|
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie the
|
|
* rights to redistribute these changes.
|
|
*/
|
|
|
|
/*-
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* The Mach Operating System project at Carnegie-Mellon University,
|
|
* Ralph Campbell and Rick Macklem.
|
|
*
|
|
* 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 by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
|
*
|
|
* @(#)asic.h 8.1 (Berkeley) 6/10/93
|
|
*/
|
|
|
|
/*
|
|
* Slot definitions
|
|
*/
|
|
|
|
#define ASIC_SLOT_0_START 0x000000
|
|
#define ASIC_SLOT_1_START 0x040000
|
|
#define ASIC_SLOT_2_START 0x080000
|
|
#define ASIC_SLOT_3_START 0x0c0000
|
|
#define ASIC_SLOT_4_START 0x100000
|
|
#define ASIC_SLOT_5_START 0x140000
|
|
#define ASIC_SLOT_6_START 0x180000
|
|
#define ASIC_SLOT_7_START 0x1c0000
|
|
#define ASIC_SLOT_8_START 0x200000
|
|
#define ASIC_SLOT_9_START 0x240000
|
|
#define ASIC_SLOT_10_START 0x280000
|
|
#define ASIC_SLOT_11_START 0x2c0000
|
|
#define ASIC_SLOT_12_START 0x300000
|
|
#define ASIC_SLOT_13_START 0x340000
|
|
#define ASIC_SLOT_14_START 0x380000
|
|
#define ASIC_SLOT_15_START 0x3c0000
|
|
#define ASIC_SLOTS_END 0x3fffff
|
|
|
|
/*
|
|
* Register offsets (slot 1)
|
|
*/
|
|
|
|
#define ASIC_SCSI_DMAPTR ASIC_SLOT_1_START+0x000
|
|
#define ASIC_SCSI_NEXTPTR ASIC_SLOT_1_START+0x010
|
|
#define ASIC_LANCE_DMAPTR ASIC_SLOT_1_START+0x020
|
|
#define ASIC_SCC_T1_DMAPTR ASIC_SLOT_1_START+0x030
|
|
#define ASIC_SCC_R1_DMAPTR ASIC_SLOT_1_START+0x040
|
|
#define ASIC_SCC_T2_DMAPTR ASIC_SLOT_1_START+0x050
|
|
#define ASIC_SCC_R2_DMAPTR ASIC_SLOT_1_START+0x060
|
|
#define ASIC_FLOPPY_DMAPTR ASIC_SLOT_1_START+0x070
|
|
#define ASIC_ISDN_X_DMAPTR ASIC_SLOT_1_START+0x080
|
|
#define ASIC_ISDN_X_NEXTPTR ASIC_SLOT_1_START+0x090
|
|
#define ASIC_ISDN_R_DMAPTR ASIC_SLOT_1_START+0x0a0
|
|
#define ASIC_ISDN_R_NEXTPTR ASIC_SLOT_1_START+0x0b0
|
|
#define ASIC_BUFF0 ASIC_SLOT_1_START+0x0c0
|
|
#define ASIC_BUFF1 ASIC_SLOT_1_START+0x0d0
|
|
#define ASIC_BUFF2 ASIC_SLOT_1_START+0x0e0
|
|
#define ASIC_BUFF3 ASIC_SLOT_1_START+0x0f0
|
|
#define ASIC_CSR ASIC_SLOT_1_START+0x100
|
|
#define ASIC_INTR ASIC_SLOT_1_START+0x110
|
|
#define ASIC_IMSK ASIC_SLOT_1_START+0x120
|
|
#define ASIC_CURADDR ASIC_SLOT_1_START+0x130
|
|
#define ASIC_ISDN_X_DATA ASIC_SLOT_1_START+0x140
|
|
#define ASIC_ISDN_R_DATA ASIC_SLOT_1_START+0x150
|
|
#define ASIC_LANCE_DECODE ASIC_SLOT_1_START+0x160
|
|
#define ASIC_SCSI_DECODE ASIC_SLOT_1_START+0x170
|
|
#define ASIC_SCC0_DECODE ASIC_SLOT_1_START+0x180
|
|
#define ASIC_SCC1_DECODE ASIC_SLOT_1_START+0x190
|
|
#define ASIC_FLOPPY_DECODE ASIC_SLOT_1_START+0x1a0
|
|
#define ASIC_SCSI_SCR ASIC_SLOT_1_START+0x1b0
|
|
#define ASIC_SCSI_SDR0 ASIC_SLOT_1_START+0x1c0
|
|
#define ASIC_SCSI_SDR1 ASIC_SLOT_1_START+0x1d0
|
|
|
|
/* System Status and control Register (SSR). */
|
|
#define ASIC_CSR_DMAEN_T1 0x80000000 /* rw */
|
|
#define ASIC_CSR_DMAEN_R1 0x40000000 /* rw */
|
|
#define ASIC_CSR_DMAEN_T2 0x20000000 /* rw */
|
|
#define ASIC_CSR_DMAEN_R2 0x10000000 /* rw */
|
|
#define ASIC_CSR_FASTMODE 0x08000000 /* rw */
|
|
#define ASIC_CSR_xxx 0x07800000 /* unused/reserved */
|
|
#define ASIC_CSR_FLOPPY_DIR 0x00400000 /* rw */
|
|
#define ASIC_CSR_DMAEN_FLOPPY 0x00200000 /* rw */
|
|
#define ASIC_CSR_DMAEN_ISDN_T 0x00100000 /* rw */
|
|
#define ASIC_CSR_DMAEN_ISDN_R 0x00080000 /* rw */
|
|
#define ASIC_CSR_SCSI_DIR 0x00040000 /* rw */
|
|
#define ASIC_CSR_DMAEN_SCSI 0x00020000 /* rw */
|
|
#define ASIC_CSR_DMAEN_LANCE 0x00010000 /* rw */
|
|
/* low 16 bits are rw gp outputs */
|
|
|
|
/* System Interrupt Register (and Interrupt Mask Register). */
|
|
#define ASIC_INTR_T1_PAGE_END 0x80000000 /* rz */
|
|
#define ASIC_INTR_T1_READ_E 0x40000000 /* rz */
|
|
#define ASIC_INTR_R1_HALF_PAGE 0x20000000 /* rz */
|
|
#define ASIC_INTR_R1_DMA_OVRUN 0x10000000 /* rz */
|
|
#define ASIC_INTR_T2_PAGE_END 0x08000000 /* rz */
|
|
#define ASIC_INTR_T2_READ_E 0x04000000 /* rz */
|
|
#define ASIC_INTR_R2_HALF_PAGE 0x02000000 /* rz */
|
|
#define ASIC_INTR_R2_DMA_OVRUN 0x01000000 /* rz */
|
|
#define ASIC_INTR_FLOPPY_DMA_E 0x00800000 /* rz */
|
|
#define ASIC_INTR_ISDN_PTR_LOAD 0x00400000 /* rz */
|
|
#define ASIC_INTR_ISDN_OVRUN 0x00200000 /* rz */
|
|
#define ASIC_INTR_ISDN_READ_E 0x00100000 /* rz */
|
|
#define ASIC_INTR_SCSI_PTR_LOAD 0x00080000 /* rz */
|
|
#define ASIC_INTR_SCSI_OVRUN 0x00040000 /* rz */
|
|
#define ASIC_INTR_SCSI_READ_E 0x00020000 /* rz */
|
|
#define ASIC_INTR_LANCE_READ_E 0x00010000 /* rz */
|
|
#define ASIC_INTR_ISDN 0x00002000 /* ro */
|
|
#define ASIC_INTR_SEC_CON 0x00000200 /* ro */
|
|
#define ASIC_INTR_LANCE 0x00000100 /* ro */
|
|
#define ASIC_INTR_SCC_1 0x00000080 /* ro */
|
|
#define ASIC_INTR_SCC_0 0x00000040 /* ro */
|
|
#define ASIC_INTR_ALT_CON 0x00000008 /* ro */
|
|
|
|
/* DMA pointer registers (SCSI, Comm, ...) */
|
|
|
|
#define ASIC_DMAPTR_MASK 0xffffffe0
|
|
#define ASIC_DMAPTR_SHIFT 5
|
|
# define ASIC_DMAPTR_SET(reg,val) \
|
|
(reg) = (((val)<<ASIC_DMAPTR_SHIFT)&ASIC_DMAPTR_MASK)
|
|
# define ASIC_DMAPTR_GET(reg,val) \
|
|
(val) = (((reg)&ASIC_DMAPTR_MASK)>>ASIC_DMAPTR_SHIFT)
|
|
#define ASIC_DMA_ADDR(p) (((unsigned)p) << (5-2))
|
|
|
|
/* For the LANCE DMA pointer register initialization the above suffices */
|
|
|
|
/* More SCSI DMA registers */
|
|
|
|
#define ASIC_SCR_STATUS 0x00000004
|
|
#define ASIC_SCR_WORD 0x00000003
|
|
|
|
/* Various Decode registers */
|
|
|
|
#define ASIC_DECODE_HW_ADDRESS 0x000003f0
|
|
#define ASIC_DECODE_CHIP_SELECT 0x0000000f
|
|
|
|
/*
|
|
* Asic register addresses at offset from base.
|
|
*/
|
|
#define ASIC_REG_SCSI_DMAPTR(base) ((base) + ASIC_SCSI_DMAPTR)
|
|
#define ASIC_REG_SCSI_DMANPTR(base) ((base) + ASIC_SCSI_NEXTPTR)
|
|
#define ASIC_REG_LANCE_DMAPTR(base) ((base) + ASIC_LANCE_DMAPTR)
|
|
#define ASIC_REG_SCC_T1_DMAPTR(base) ((base) + ASIC_SCC_T1_DMAPTR)
|
|
#define ASIC_REG_SCC_R1_DMAPTR(base) ((base) + ASIC_SCC_R1_DMAPTR)
|
|
#define ASIC_REG_SCC_T2_DMAPTR(base) ((base) + ASIC_SCC_T2_DMAPTR)
|
|
#define ASIC_REG_SCC_R2_DMAPTR(base) ((base) + ASIC_SCC_R2_DMAPTR)
|
|
#define ASIC_REG_FLOPPY_DMAPTR(base) ((base) + ASIC_FLOPPY_DMAPTR)
|
|
#define ASIC_REG_ISDN_X_DMAPTR(base) ((base) + ASIC_ISDN_X_DMAPTR)
|
|
#define ASIC_REG_ISDN_X_NEXTPTR(base) ((base) + ASIC_ISDN_X_NEXTPTR)
|
|
#define ASIC_REG_ISDN_R_DMAPTR(base) ((base) + ASIC_ISDN_R_DMAPTR)
|
|
#define ASIC_REG_ISDN_R_NEXTPTR(base) ((base) + ASIC_ISDN_R_NEXTPTR)
|
|
#define ASIC_REG_BUFF0(base) ((base) + ASIC_BUFF0)
|
|
#define ASIC_REG_BUFF1(base) ((base) + ASIC_BUFF1)
|
|
#define ASIC_REG_BUFF2(base) ((base) + ASIC_BUFF2)
|
|
#define ASIC_REG_BUFF3(base) ((base) + ASIC_BUFF3)
|
|
#define ASIC_REG_CSR(base) ((base) + ASIC_CSR)
|
|
#define ASIC_REG_INTR(base) ((base) + ASIC_INTR)
|
|
#define ASIC_REG_IMSK(base) ((base) + ASIC_IMSK)
|
|
#define ASIC_REG_CURADDR(base) ((base) + ASIC_CURADDR)
|
|
#define ASIC_REG_ISDN_X_DATA(base) ((base) + ASIC_ISDN_X_DATA)
|
|
#define ASIC_REG_ISDN_R_DATA(base) ((base) + ASIC_ISDN_R_DATA)
|
|
#define ASIC_REG_LANCE_DECODE(base) ((base) + ASIC_LANCE_DECODE)
|
|
#define ASIC_REG_SCSI_DECODE(base) ((base) + ASIC_SCSI_DECODE)
|
|
#define ASIC_REG_SCC0_DECODE(base) ((base) + ASIC_SCC0_DECODE)
|
|
#define ASIC_REG_SCC1_DECODE(base) ((base) + ASIC_SCC1_DECODE)
|
|
#define ASIC_REG_FLOPPY_DECODE(base) ((base) + ASIC_FLOPPY_DECODE)
|
|
#define ASIC_REG_SCSI_SCR(base) ((base) + ASIC_SCSI_SCR)
|
|
#define ASIC_REG_SCSI_SDR0(base) ((base) + ASIC_SCSI_SDR0)
|
|
#define ASIC_REG_SCSI_SDR1(base) ((base) + ASIC_SCSI_SDR1)
|
|
|
|
/*
|
|
* And slot assignments.
|
|
*/
|
|
#define ASIC_SYS_ETHER_ADDRESS(base) ((base) + ASIC_SLOT_2_START)
|
|
#define ASIC_SYS_LANCE(base) ((base) + ASIC_SLOT_3_START)
|
|
|
|
#ifdef _KERNEL
|
|
#define ASIC_SLOT_LANCE 0 /* ASIC slots for interrupt lookup. */
|
|
#define ASIC_SLOT_SCC0 1
|
|
#define ASIC_SLOT_SCC1 2
|
|
#define ASIC_SLOT_RTC 3
|
|
#define ASIC_SLOT_ISDN 4
|
|
#define ASIC_MAX_NSLOTS 5 /* clock + 2 scc + lance + isdn */
|
|
|
|
caddr_t asic_base;
|
|
#endif
|