/* $OpenBSD: pciide_pdc202xx_reg.h,v 1.9 2003/07/23 22:07:15 grange Exp $ */ /* $NetBSD: pciide_pdc202xx_reg.h,v 1.5 2001/07/05 08:38:27 toshii Exp $ */ /* * Copyright (c) 1999 Manuel Bouyer. * * 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 Manuel Bouyer. * 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 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. * */ /* * Registers definitions for PROMISE PDC20246/PDC20262 PCI IDE controller. * Unfortunably the HW docs are not publically available. I've been able * to get a partial one for the PDC20246, and a better one for the PDC20262 * from Promise. */ #define PDC2xx_STATE 0x50 #define PDC2xx_STATE_IDERAID 0x0001 #define PDC2xx_STATE_NATIVE 0x0080 /* controller initial state values(PDC20246 only) */ #define PDC246_STATE_SHIPID 0x8000 #define PDC246_STATE_IOCHRDY 0x0400 #define PDC246_STATE_LBA(channel) (0x0100 << (channel)) #define PDC246_STATE_ISAIRQ 0x0008 #define PDC246_STATE_EN(channel) (0x0002 << (channel)) /* controller initial state values(PDC20262 only) */ #define PDC262_STATE_EN(chan) (0x1000 << (chan)) #define PDC262_STATE_80P(chan) (0x0400 << (chan)) /* per-drive timings */ #define PDC2xx_TIM(channel, drive) (0x60 + 4 * (drive) + 8 * (channel)) #define PDC2xx_TIM_SET_PA(r, x) (((r) & 0xfffffff0) | ((x) & 0xf)) #define PDC2xx_TIM_SET_PB(r, x) (((r) & 0xffffe0ff) | (((x) & 0x1f) << 8)) #define PDC2xx_TIM_SET_MB(r, x) (((r) & 0xffff1fff) | (((x) & 0x7) << 13)) #define PDC2xx_TIM_SET_MC(r, x) (((r) & 0xfff0ffff) | (((x) & 0xf) << 16)) #define PDC2xx_TIM_PRE 0x00000010 #define PDC2xx_TIM_IORDY 0x00000020 #define PDC2xx_TIM_ERRDY 0x00000040 #define PDC2xx_TIM_SYNC 0x00000080 #define PDC2xx_TIM_DMAW 0x00100000 #define PDC2xx_TIM_DMAR 0x00200000 #define PDC2xx_TIM_IORDYp 0x00400000 #define PDC2xx_TIM_DMARQp 0x00800000 /* The following are extensions of the DMA registers */ /* Ultra-DMA mode 3/4 control (PDC20262 only, 1 byte) */ #define PDC262_U66 0x11 #define PDC262_U66_EN(chan) (0x2 << ((chan) *2)) /* primary mode (1 byte) */ #define PDC2xx_PM 0x1a /* secondary mode (1 byte) */ #define PDC2xx_SM 0x1b /* System control register (4 bytes) */ #define PDC2xx_SCR 0x1c #define PDC2xx_SCR_SET_GEN(r,x) (((r) & 0xffffff00) | ((x) & 0xff)) #define PDC2xx_SCR_EMPTY(channel) (0x00000100 << (4 * channel)) #define PDC2xx_SCR_FULL(channel) (0x00000200 << (4 * channel)) #define PDC2xx_SCR_INT(channel) (0x00000400 << (4 * channel)) #define PDC2xx_SCR_ERR(channel) (0x00000800 << (4 * channel)) #define PDC2xx_SCR_SET_I2C(r,x) (((r) & 0xfff0ffff) | (((x) & 0xf) << 16)) #define PDC2xx_SCR_SET_POLL(r,x) (((r) & 0xff0fffff) | (((x) & 0xf) << 20)) #define PDC2xx_SCR_DMA 0x01000000 #define PDC2xx_SCR_IORDY 0x02000000 #define PDC2xx_SCR_G2FD 0x04000000 #define PDC2xx_SCR_FLOAT 0x08000000 #define PDC2xx_SCR_RSET 0x10000000 #define PDC2xx_SCR_TST 0x20000000 /* Values for "General Purpose Register" (PDC20262 only) */ #define PDC262_SCR_GEN_LAT 0x20 /* ATAPI port ((PDC20262 only) (4 bytes) */ #define PDC262_ATAPI(chan) (0x20 + (4 * (chan))) #define PDC262_ATAPI_WC_MASK 0x00000fff #define PDC262_ATAPI_DMA_READ 0x00001000 #define PDC262_ATAPI_DMA_WRITE 0x00002000 #define PDC262_ATAPI_UDMA 0x00004000 #define PDC262_ATAPI_LBA48_READ 0x05000000 #define PDC262_ATAPI_LBA48_WRITE 0x06000000 /* * The timings provided here cmoes from the PDC20262 docs. I hope they are * rigth for the PDC20246 too ... */ static int8_t pdc2xx_pa[] = {0x9, 0x5, 0x3, 0x2, 0x1}; static int8_t pdc2xx_pb[] = {0x13, 0xc, 0x8, 0x6, 0x4}; static int8_t pdc2xx_dma_mb[] = {0x3, 0x3, 0x3}; static int8_t pdc2xx_dma_mc[] = {0x5, 0x4, 0x3}; static int8_t pdc2xx_udma_mb[] = {0x3, 0x2, 0x1, 0x2, 0x1, 0x1}; static int8_t pdc2xx_udma_mc[] = {0x3, 0x2, 0x1, 0x2, 0x1, 0x1}; /* * Registers definitions for Promise PDC20268 and above chips */ #define PDC268_INDEX(chan) (0x01 + IDEDMA_SCH_OFFSET * (chan)) #define PDC268_DATA(chan) (0x03 + IDEDMA_SCH_OFFSET * (chan)) #define PDC268_CABLE 0x04 #define PDC268_INTR 0x20