/* $OpenBSD: lsi64854reg.h,v 1.4 2008/06/26 05:42:15 ray Exp $ */ /* $NetBSD: lsi64854reg.h,v 1.5 2001/03/29 02:58:39 petrov Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Paul Kranenburg. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /* * LSI 64854 DMA engine. Contains three independent channels * designed to interface with (a) a NCR539X SCSI controller, * (b) a AM7990 Ethernet controller, (c) Parallel port hardware.. */ /* * Register offsets to bus handle. */ #define L64854_REG_CSR 0 /* Control bits */ #define L64854_REG_ADDR 4 /* DMA Address */ #define L64854_REG_CNT 8 /* DMA count */ #define L64854_REG_CNT_MASK 0x00ffffff /* only 24 bits */ #define L64854_REG_ENBAR 12 /* ENET Base register */ #define L64854_REG_TEST 12 /* SCSI Test register */ #define L64854_REG_HCR 16 /* PP Hardware Configuration */ #define L64854_REG_OCR 18 /* PP Operation Configuration */ #define L64854_REG_DR 20 /* PP Data register */ #define L64854_REG_TCR 21 /* PP Transfer Control */ #define L64854_REG_OR 22 /* PP Output register */ #define L64854_REG_IR 23 /* PP Input register */ #define L64854_REG_ICR 24 /* PP Interrupt Control */ /* * Control bits common to all three channels. */ #define L64854_INT_PEND 0x00000001 /* Interrupt pending */ #define L64854_ERR_PEND 0x00000002 /* Error pending */ #define L64854_DRAINING 0x0000000c /* FIFO draining */ #define L64854_INT_EN 0x00000010 /* Interrupt enable */ #define L64854_INVALIDATE 0x00000020 /* Invalidate FIFO */ #define L64854_SLAVE_ERR 0x00000040 /* Slave access size error */ #define L64854_RESET 0x00000080 /* Reset device */ #define L64854_WRITE 0x00000100 /* 1: xfer to memory */ #define L64854_EN_DMA 0x00000200 /* enable DMA transfers */ #define L64854_BURST_SIZE 0x000c0000 /* Read/write burst size */ #define L64854_BURST_0 0x00080000 /* no bursts (SCSI-only) */ #define L64854_BURST_16 0x00000000 /* 16-byte bursts */ #define L64854_BURST_32 0x00040000 /* 32-byte bursts */ #define L64854_BURST_64 0x000c0000 /* 64-byte bursts (fas) */ #define L64854_RST_FAS366 0x08000000 /* FAS366 hardware reset */ #define L64854_DEVID 0xf0000000 /* device ID bits */ /* * SCSI DMA control bits. */ #define D_INT_PEND L64854_INT_PEND /* interrupt pending */ #define D_ERR_PEND L64854_ERR_PEND /* error pending */ #define D_DRAINING L64854_DRAINING /* fifo draining */ #define D_INT_EN L64854_INT_EN /* interrupt enable */ #define D_INVALIDATE L64854_INVALIDATE/* invalidate fifo */ #define D_SLAVE_ERR L64854_SLAVE_ERR/* slave access size error */ #define D_RESET L64854_RESET /* reset scsi */ #define D_WRITE L64854_WRITE /* 1 = dev -> mem */ #define D_EN_DMA L64854_EN_DMA /* enable DMA requests */ #define D_EN_CNT 0x00002000 /* enable byte counter */ #define D_TC 0x00004000 /* terminal count */ #define D_WIDE_EN 0x00008000 /* enable wide mode SBUS DMA (fas) */ #define D_DSBL_CSR_DRN 0x00010000 /* disable fifo drain on csr */ #define D_DSBL_SCSI_DRN 0x00020000 /* disable fifo drain on reg */ #define D_DIAG 0x00100000 /* disable fifo drain on addr */ #define D_TWO_CYCLE 0x00200000 /* 2 clocks per transfer */ #define D_FASTER 0x00400000 /* 3 clocks per transfer */ #define D_TCI_DIS 0x00800000 /* disable intr on D_TC */ #define D_EN_NEXT 0x01000000 /* enable auto next address */ #define D_DMA_ON 0x02000000 /* enable dma from scsi XXX */ #define D_DSBL_PARITY_CHK \ 0x02000000 /* disable checking for parity on bus (default 1:fas) */ #define D_A_LOADED 0x04000000 /* address loaded */ #define D_NA_LOADED 0x08000000 /* next address loaded */ #define D_HW_RESET_FAS366 \ 0x08000000 /* hardware reset FAS366 (fas) */ #define D_DEV_ID L64854_DEVID /* device ID */ #define DMAREV_0 0x00000000 /* Sunray DMA */ #define DMAREV_ESC 0x40000000 /* DMA ESC array */ #define DMAREV_1 0x80000000 /* 'DMA' */ #define DMAREV_PLUS 0x90000000 /* 'DMA+' */ #define DMAREV_2 0xa0000000 /* 'DMA2' */ #define DMAREV_HME 0xb0000000 /* 'HME' */ /* * revisions 0,1 and ESC have different bits. */ #define D_ESC_DRAIN 0x00000040 /* rev0,1,esc: drain fifo */ #define D_ESC_R_PEND 0x00000400 /* rev0,1: request pending */ #define D_ESC_BURST 0x00000800 /* DMA ESC: 16 byte bursts */ #define D_ESC_AUTODRAIN 0x00040000 /* DMA ESC: Auto-drain */ #define DDMACSR_BITS "\020" \ "\01INT\02ERR\03DR1\04DR2\05IEN" \ "\07SLVERR\010RST\011WRITE\012ENDMA" \ "\016ENCNT\017TC\021DSBL_CSR_DRN" \ "\022DSBL_SCSI_DRN\026TWOCYCLE" \ "\027FASTER\030TCIDIS\031ENNXT\032DMAON" \ "\033ALOADED\034NALOADED" /* * ENET DMA control bits. */ #define E_INT_PEND L64854_INT_PEND /* interrupt pending */ #define E_ERR_PEND L64854_ERR_PEND /* error pending */ #define E_DRAINING L64854_DRAINING /* fifo draining */ #define E_INT_EN L64854_INT_EN /* interrupt enable */ #define E_INVALIDATE L64854_INVALIDATE/* invalidate fifo */ #define E_SLAVE_ERR L64854_SLAVE_ERR/* slave access size error */ #define E_RESET L64854_RESET /* reset ENET */ #define E_reserved1 0x00000300 /* */ #define E_DRAIN 0x00000400 /* force Ecache drain */ #define E_DSBL_WR_DRN 0x00000800 /* disable Ecache drain on .. */ #define E_DSBL_RD_DRN 0x00001000 /* disable Ecache drain on .. */ #define E_reserved2 0x00006000 /* */ #define E_ILACC 0x00008000 /* ... */ #define E_DSBL_BUF_WR 0x00010000 /* no buffering of slave writes */ #define E_DSBL_WR_INVAL 0x00020000 /* no Ecache invalidate on slave writes */ #define E_reserved3 0x00100000 /* */ #define E_LOOP_TEST 0x00200000 /* loopback mode */ #define E_TP_AUI 0x00400000 /* 1 for TP, 0 for AUI */ #define E_reserved4 0x0c800000 /* */ #define E_DEV_ID L64854_DEVID /* ID bits */ #define EDMACSR_BITS "\020" \ "\01INT\02ERR\05IEN" \ "\07SLVERR\010RST\011WRITE\013DRAIN" \ "\014DSBL_WR_DRN\015DSBL_RD_DRN\020ILACC" \ "\021DSBL_BUF_WR\022DSBL_WR_INVAL" \ "\026LOOPTEST\027TP" /* * PP DMA control bits. */ #define P_INT_PEND L64854_INT_PEND /* interrupt pending */ #define P_ERR_PEND L64854_ERR_PEND /* error pending */ #define P_DRAINING L64854_DRAINING /* fifo draining */ #define P_INT_EN L64854_INT_EN /* interrupt enable */ #define P_INVALIDATE L64854_INVALIDATE/* invalidate fifo */ #define P_SLAVE_ERR L64854_SLAVE_ERR/* slave access size error */ #define P_RESET L64854_RESET /* reset PP */ #define P_WRITE L64854_WRITE /* 1: xfer to memory */ #define P_EN_DMA L64854_EN_DMA /* enable DMA transfers */ #define P_reserved1 0x00001c00 /* */ #define P_EN_CNT 0x00002000 /* enable counter */ #define P_TC 0x00004000 /* terminal count */ #define P_reserved2 0x00038000 /* */ #define P_DIAG 0x00100000 /* ... */ #define P_reserved3 0x00600000 /* */ #define P_TCI_DIS 0x00800000 /* no interrupt on terminal count */ #define P_EN_NEXT 0x01000000 /* enable DMA chaining */ #define P_DMA_ON 0x02000000 /* DMA xfers enabled */ #define P_A_LOADED 0x04000000 /* addr and byte count valid */ #define P_NA_LOADED 0x08000000 /* next addr & count valid but not used */ #define P_DEV_ID L64854_DEVID /* ID bits */ #define PDMACSR_BITS "\020" \ "\01INT\02ERR\05IEN" \ "\07SLVERR\010RST\011WRITE\012ENDMA" \ "\016ENCNT\017TC\025DIAG\030TCIDIS" \ "\031ENNXT\032DMAON\033ALOADED\034NALOADED"
