1 /* $NetBSD: pciide_piix_reg.h,v 1.16 2024/02/09 22:08:36 andvar Exp $ */ 2 3 /* 4 * Copyright (c) 1998 Manuel Bouyer. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28 /* 29 * Registers definitions for Intel's PIIX serie PCI IDE controllers. 30 * See Intel's 31 * "82371FB (PIIX) and 82371SB (PIIX3) PCI ISA IDE XCELERATOR" 32 * "82371AB PCI-TO-ISA / IDE XCELERATOR (PIIX4)" and 33 * "Intel 82801AA (ICH) and Intel 82801AB (ICH0) I/O Controller Hub" 34 * available from http://developers.intel.com/ 35 */ 36 37 /* 38 * Bus master interface base address register 39 */ 40 #define PIIX_BMIBA 0x20 41 #define PIIX_BMIBA_ADDR(x) (x & 0x0000FFFF0) 42 #define PIIX_BMIBA_RTE(x) (x & 0x000000001) 43 #define PIIX_BMIBA_RTE_IO 0x000000001 /* base addr maps to I/O space */ 44 45 /* 46 * IDE timing register 47 * 0x40/0x41 is for primary, 0x42/0x43 for secondary channel 48 */ 49 #define PIIX_IDETIM 0x40 50 #define PIIX_IDETIM_READ(x, channel) (((x) >> (16 * (channel))) & 0x0000FFFF) 51 #define PIIX_IDETIM_SET(x, bytes, channel) \ 52 ((x) | ((unsigned int)(bytes) << (16 * (channel)))) 53 #define PIIX_IDETIM_CLEAR(x, bytes, channel) \ 54 ((x) & ~((unsigned int)(bytes) << (16 * (channel)))) 55 56 #define PIIX_IDETIM_IDE 0x8000 /* PIIX decode IDE registers */ 57 #define PIIX_IDETIM_SITRE 0x4000 /* slaves IDE timing registers 58 enabled (PIIX3/4 only) */ 59 #define PIIX_IDETIM_ISP_MASK 0x3000 /* IOrdy sample point */ 60 #define PIIX_IDETIM_ISP_SHIFT 12 61 #define PIIX_IDETIM_ISP_SET(x) ((x) << PIIX_IDETIM_ISP_SHIFT) 62 #define PIIX_IDETIM_RTC_MASK 0x0300 /* recovery time */ 63 #define PIIX_IDETIM_RTC_SHIFT 8 64 #define PIIX_IDETIM_RTC_SET(x) ((x) << PIIX_IDETIM_RTC_SHIFT) 65 #define PIIX_IDETIM_DTE(d) (0x0008 << (4 * (d))) /* DMA timing only */ 66 #define PIIX_IDETIM_PPE(d) (0x0004 << (4 * (d))) /* prefetch/posting */ 67 #define PIIX_IDETIM_IE(d) (0x0002 << (4 * (d))) /* IORDY enable */ 68 #define PIIX_IDETIM_TIME(d) (0x0001 << (4 * (d))) /* Fast timing enable */ 69 /* 70 * Slave IDE timing register (PIIX3/4 only) 71 * This register must be enabled via the PIIX_IDETIM_SITRE bit 72 */ 73 #define PIIX_SIDETIM 0x44 74 #define PIIX_SIDETIM_ISP_MASK(channel) (0x0c << ((channel) * 4)) 75 #define PIIX_SIDETIM_ISP_SHIFT 2 76 #define PIIX_SIDETIM_ISP_SET(x, channel) \ 77 (x << (PIIX_SIDETIM_ISP_SHIFT + ((channel) * 4))) 78 #define PIIX_SIDETIM_RTC_MASK(channel) (0x03 << ((channel) * 4)) 79 #define PIIX_SIDETIM_RTC_SHIFT 0 80 #define PIIX_SIDETIM_RTC_SET(x, channel) \ 81 (x << (PIIX_SIDETIM_RTC_SHIFT + ((channel) * 4))) 82 83 /* 84 * Ultra DMA/33 register (PIIX4 only) 85 */ 86 #define PIIX_UDMAREG 0x48 87 /* Control register */ 88 #define PIIX_UDMACTL_DRV_EN(channel, drive) (0x01 << ((channel) * 2 + (drive))) 89 /* Ultra DMA/33 timing register (PIIX4 only) */ 90 #define PIIX_UDMATIM 0x4a 91 #define PIIX_UDMATIM_SHIFT 16 92 #define PIIX_UDMATIM_SET(x, channel, drive) \ 93 (((x) << ((channel * 8) + (drive * 4))) << PIIX_UDMATIM_SHIFT) 94 95 /* 96 * IDE config register (ICH/ICH0/ICH2 only) 97 */ 98 #define PIIX_CONFIG 0x54 99 #define PIIX_CONFIG_PINGPONG 0x0400 100 /* The following are only for the 82801AA (ICH) and 82801BA (ICH2) */ 101 #define PIIX_CONFIG_CR(channel, drive) (0x0010 << ((channel) * 2 + (drive))) 102 #define PIIX_CONFIG_UDMA66(channel, drive) (0x0001 << ((channel) * 2 + (drive))) 103 /* The following are only for the 82801BA (ICH2) */ 104 #define PIIX_CONFIG_UDMA100(channel, drive) (0x1000 << ((channel) * 2 + (drive))) 105 106 /* 107 * these tables define the different values to upload to the 108 * ISP and RTC registers for the various PIO and DMA mode 109 * (from the PIIX4 doc). 110 */ 111 static const int8_t piix_isp_pio[] __unused = 112 {0x00, 0x00, 0x01, 0x02, 0x02}; 113 static const int8_t piix_rtc_pio[] __unused = 114 {0x00, 0x00, 0x00, 0x01, 0x03}; 115 static const int8_t piix_isp_dma[] __unused = 116 {0x00, 0x02, 0x02}; 117 static const int8_t piix_rtc_dma[] __unused = 118 {0x00, 0x02, 0x03}; 119 static const int8_t piix4_sct_udma[] __unused = 120 {0x00, 0x01, 0x02, 0x01, 0x02, 0x01}; 121 122 /* 123 * ICH5/ICH5R SATA registers definitions 124 */ 125 #define ICH5_SATA_MAP 0x90 /* Address Map Register */ 126 #define ICH5_SATA_MAP_MV_MASK 0x07 /* Map Value mask */ 127 #define ICH5_SATA_MAP_COMBINED 0x04 /* Combined mode */ 128 129 #define ICH5_SATA_PI 0x09 /* Program Interface register */ 130 #define ICH5_SATA_PI_PRI_NATIVE 0x01 /* Put Pri IDE channel in native mode */ 131 #define ICH5_SATA_PI_SEC_NATIVE 0x04 /* Put Sec IDE channel in native mode */ 132 133 #define ICH_SATA_PCS 0x92 /* Port Control and Status Register */ 134 #define ICH_SATA_PCS_P0E 0x01 /* Port 0 enabled */ 135 #define ICH_SATA_PCS_P1E 0x02 /* Port 1 enabled */ 136 #define ICH_SATA_PCS_P0P 0x10 /* Port 0 present */ 137 #define ICH_SATA_PCS_P1P 0x20 /* Port 1 present */ 138 139 /* 140 * * ICH6/ICH7 SATA registers definitions 141 * */ 142 #define ICH6_SATA_MAP_CMB_MASK 0x03 /* Combined mode bits */ 143 #define ICH6_SATA_MAP_CMB_PRI 0x01 /* Combined mode, IDE Primary */ 144 #define ICH6_SATA_MAP_CMB_SEC 0x02 /* Combined mode, IDE Secondary */ 145 #define ICH7_SATA_MAP_SMS_MASK 0xc0 /* SATA Mode Select */ 146 #define ICH7_SATA_MAP_SMS_IDE 0x00 147 #define ICH7_SATA_MAP_SMS_AHCI 0x40 148 #define ICH7_SATA_MAP_SMS_RAID 0x80 149
Indexes created Fri Sep 26 20:09:58 GMT 2025