First steps toward getting full system to work with
[gem5.git] / dev / ide_atareg.h
1 /* $OpenBSD: atareg.h,v 1.12 2004/09/24 07:15:22 grange Exp $ */
2 /* $NetBSD: atareg.h,v 1.5 1999/01/18 20:06:24 bouyer Exp $ */
3
4 /*
5 * Copyright (c) 1998, 2001 Manuel Bouyer.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Manuel Bouyer.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef _DEV_ATA_ATAREG_H_
34 #define _DEV_ATA_ATAREG_H_
35
36 #if defined(linux)
37 #include <endian.h>
38 #else
39 #include <machine/endian.h>
40 #endif
41
42 #define ATA_BYTE_ORDER LITTLE_ENDIAN
43
44 /*
45 * Drive parameter structure for ATA/ATAPI.
46 * Bit fields: WDC_* : common to ATA/ATAPI
47 * ATA_* : ATA only
48 * ATAPI_* : ATAPI only.
49 */
50 struct ataparams {
51 /* drive info */
52 uint16_t atap_config; /* 0: general configuration */
53 #define WDC_CFG_ATAPI_MASK 0xc000
54 #define WDC_CFG_ATAPI 0x8000
55 #define ATA_CFG_REMOVABLE 0x0080
56 #define ATA_CFG_FIXED 0x0040
57 #define ATAPI_CFG_TYPE_MASK 0x1f00
58 #define ATAPI_CFG_TYPE(x) (((x) & ATAPI_CFG_TYPE_MASK) >> 8)
59 #define ATAPI_CFG_TYPE_DIRECT 0x00
60 #define ATAPI_CFG_TYPE_SEQUENTIAL 0x01
61 #define ATAPI_CFG_TYPE_CDROM 0x05
62 #define ATAPI_CFG_TYPE_OPTICAL 0x07
63 #define ATAPI_CFG_TYPE_NODEVICE 0x1F
64 #define ATAPI_CFG_REMOV 0x0080
65 #define ATAPI_CFG_DRQ_MASK 0x0060
66 #define ATAPI_CFG_STD_DRQ 0x0000
67 #define ATAPI_CFG_IRQ_DRQ 0x0020
68 #define ATAPI_CFG_ACCEL_DRQ 0x0040
69 #define ATAPI_CFG_CMD_MASK 0x0003
70 #define ATAPI_CFG_CMD_12 0x0000
71 #define ATAPI_CFG_CMD_16 0x0001
72 /* words 1-9 are ATA only */
73 uint16_t atap_cylinders; /* 1: # of non-removable cylinders */
74 uint16_t __reserved1;
75 uint16_t atap_heads; /* 3: # of heads */
76 uint16_t __retired1[2]; /* 4-5: # of unform. bytes/track */
77 uint16_t atap_sectors; /* 6: # of sectors */
78 uint16_t __retired2[3];
79
80 uint8_t atap_serial[20]; /* 10-19: serial number */
81 uint16_t __retired3[2];
82 uint16_t __obsolete1;
83 uint8_t atap_revision[8]; /* 23-26: firmware revision */
84 uint8_t atap_model[40]; /* 27-46: model number */
85 uint16_t atap_multi; /* 47: maximum sectors per irq (ATA) */
86 uint16_t __reserved2;
87 uint8_t atap_vendor; /* 49: vendor */
88 uint8_t atap_capabilities1; /* 49: capability flags */
89 #define WDC_CAP_IORDY 0x0800
90 #define WDC_CAP_IORDY_DSBL 0x0400
91 #define WDC_CAP_LBA 0x0200
92 #define WDC_CAP_DMA 0x0100
93 #define ATA_CAP_STBY 0x2000
94 #define ATAPI_CAP_INTERL_DMA 0x8000
95 #define ATAPI_CAP_CMD_QUEUE 0x4000
96 #define ATAPI_CAP_OVERLP 0x2000
97 #define ATAPI_CAP_ATA_RST 0x1000
98 uint16_t atap_capabilities2; /* 50: capability flags (ATA) */
99 #if ATA_BYTE_ORDER == LITTLE_ENDIAN
100 uint8_t __junk2;
101 uint8_t atap_oldpiotiming; /* 51: old PIO timing mode */
102 uint8_t __junk3;
103 uint8_t atap_olddmatiming; /* 52: old DMA timing mode (ATA) */
104 #else
105 uint8_t atap_oldpiotiming; /* 51: old PIO timing mode */
106 uint8_t __junk2;
107 uint8_t atap_olddmatiming; /* 52: old DMA timing mode (ATA) */
108 uint8_t __junk3;
109 #endif
110 uint16_t atap_extensions; /* 53: extensions supported */
111 #define WDC_EXT_UDMA_MODES 0x0004
112 #define WDC_EXT_MODES 0x0002
113 #define WDC_EXT_GEOM 0x0001
114 /* words 54-62 are ATA only */
115 uint16_t atap_curcylinders; /* 54: current logical cylinders */
116 uint16_t atap_curheads; /* 55: current logical heads */
117 uint16_t atap_cursectors; /* 56: current logical sectors/tracks */
118 uint16_t atap_curcapacity[2]; /* 57-58: current capacity */
119 uint8_t atap_curmulti; /* 59: current multi-sector setting */
120 uint8_t atap_curmulti_valid; /* 59: current multi-sector setting */
121 #define WDC_MULTI_VALID 0x0100
122 #define WDC_MULTI_MASK 0x00ff
123 uint32_t atap_capacity; /* 60-61: total capacity (LBA only) */
124 uint16_t __retired4;
125 #if ATA_BYTE_ORDER == LITTLE_ENDIAN
126 uint8_t atap_dmamode_supp; /* 63: multiword DMA mode supported */
127 uint8_t atap_dmamode_act; /* multiword DMA mode active */
128 uint8_t atap_piomode_supp; /* 64: PIO mode supported */
129 uint8_t __junk4;
130 #else
131 uint8_t atap_dmamode_act; /* multiword DMA mode active */
132 uint8_t atap_dmamode_supp; /* 63: multiword DMA mode supported */
133 uint8_t __junk4;
134 uint8_t atap_piomode_supp; /* 64: PIO mode supported */
135 #endif
136 uint16_t atap_dmatiming_mimi; /* 65: minimum DMA cycle time */
137 uint16_t atap_dmatiming_recom; /* 66: recommended DMA cycle time */
138 uint16_t atap_piotiming; /* 67: mini PIO cycle time without FC */
139 uint16_t atap_piotiming_iordy; /* 68: mini PIO cycle time with IORDY FC */
140 uint16_t __reserved3[2];
141 /* words 71-72 are ATAPI only */
142 uint16_t atap_pkt_br; /* 71: time (ns) to bus release */
143 uint16_t atap_pkt_bsyclr; /* 72: tme to clear BSY after service */
144 uint16_t __reserved4[2];
145 uint16_t atap_queuedepth; /* 75: */
146 #define WDC_QUEUE_DEPTH_MASK 0x1f
147 uint16_t atap_sata_caps; /* 76: SATA capabilities */
148 #define SATA_SIGNAL_GEN1 0x0002 /* SATA Gen-1 signaling speed */
149 #define SATA_SIGNAL_GEN2 0x0004 /* SATA Gen-2 signaling speed */
150 #define SATA_NATIVE_CMDQ 0x0100 /* native command queuing */
151 #define SATA_HOST_PWR_MGMT 0x0200 /* power management (host) */
152 uint16_t atap_sata_reserved; /* 77: reserved */
153 uint16_t atap_sata_features_supp;/* 78: SATA features supported */
154 #define SATA_NONZERO_OFFSETS 0x0002 /* non-zero buffer offsets */
155 #define SATA_DMA_SETUP_AUTO 0x0004 /* DMA setup auto-activate */
156 #define SATA_DRIVE_PWR_MGMT 0x0008 /* power management (device) */
157 uint16_t atap_sata_features_en; /* 79: SATA features enabled */
158 uint16_t atap_ata_major; /* 80: Major version number */
159 #define WDC_VER_ATA1 0x0002
160 #define WDC_VER_ATA2 0x0004
161 #define WDC_VER_ATA3 0x0008
162 #define WDC_VER_ATA4 0x0010
163 #define WDC_VER_ATA5 0x0020
164 #define WDC_VER_ATA6 0x0040
165 #define WDC_VER_ATA7 0x0080
166 #define WDC_VER_ATA8 0x0100
167 #define WDC_VER_ATA9 0x0200
168 #define WDC_VER_ATA10 0x0400
169 #define WDC_VER_ATA11 0x0800
170 #define WDC_VER_ATA12 0x1000
171 #define WDC_VER_ATA13 0x2000
172 #define WDC_VER_ATA14 0x4000
173 uint16_t atap_ata_minor; /* 81: Minor version number */
174 uint16_t atap_cmd_set1; /* 82: command set supported */
175 #define WDC_CMD1_NOP 0x4000
176 #define WDC_CMD1_RB 0x2000
177 #define WDC_CMD1_WB 0x1000
178 #define WDC_CMD1_HPA 0x0400
179 #define WDC_CMD1_DVRST 0x0200
180 #define WDC_CMD1_SRV 0x0100
181 #define WDC_CMD1_RLSE 0x0080
182 #define WDC_CMD1_AHEAD 0x0040
183 #define WDC_CMD1_CACHE 0x0020
184 #define WDC_CMD1_PKT 0x0010
185 #define WDC_CMD1_PM 0x0008
186 #define WDC_CMD1_REMOV 0x0004
187 #define WDC_CMD1_SEC 0x0002
188 #define WDC_CMD1_SMART 0x0001
189 uint16_t atap_cmd_set2; /* 83: command set supported */
190 #define ATAPI_CMD2_FCE 0x2000 /* Flush Cache Ext supported */
191 #define ATAPI_CMD2_FC 0x1000 /* Flush Cache supported */
192 #define ATAPI_CMD2_DCO 0x0800 /* Device Configuration Overlay supported */
193 #define ATAPI_CMD2_48AD 0x0400 /* 48bit address supported */
194 #define ATAPI_CMD2_AAM 0x0200 /* Automatic Acoustic Management supported */
195 #define ATAPI_CMD2_SM 0x0100 /* Set Max security extension supported */
196 #define ATAPI_CMD2_SF 0x0040 /* Set Features subcommand required */
197 #define ATAPI_CMD2_PUIS 0x0020 /* Power up in standby supported */
198 #define WDC_CMD2_RMSN 0x0010
199 #define ATA_CMD2_APM 0x0008
200 #define ATA_CMD2_CFA 0x0004
201 #define ATA_CMD2_RWQ 0x0002
202 #define WDC_CMD2_DM 0x0001 /* Download Microcode supported */
203 uint16_t atap_cmd_ext; /* 84: command/features supp. ext. */
204 #define ATAPI_CMDE_MSER 0x0004 /* Media serial number supported */
205 #define ATAPI_CMDE_TEST 0x0002 /* SMART self-test supported */
206 #define ATAPI_CMDE_SLOG 0x0001 /* SMART error logging supported */
207 uint16_t atap_cmd1_en; /* 85: cmd/features enabled */
208 /* bits are the same as atap_cmd_set1 */
209 uint16_t atap_cmd2_en; /* 86: cmd/features enabled */
210 /* bits are the same as atap_cmd_set2 */
211 uint16_t atap_cmd_def; /* 87: cmd/features default */
212 /* bits are NOT the same as atap_cmd_ext */
213 #if ATA_BYTE_ORDER == LITTLE_ENDIAN
214 uint8_t atap_udmamode_supp; /* 88: Ultra-DMA mode supported */
215 uint8_t atap_udmamode_act; /* Ultra-DMA mode active */
216 #else
217 uint8_t atap_udmamode_act; /* Ultra-DMA mode active */
218 uint8_t atap_udmamode_supp; /* 88: Ultra-DMA mode supported */
219 #endif
220 /* 89-92 are ATA-only */
221 uint16_t atap_seu_time; /* 89: Sec. Erase Unit compl. time */
222 uint16_t atap_eseu_time; /* 90: Enhanced SEU compl. time */
223 uint16_t atap_apm_val; /* 91: current APM value */
224 uint16_t atap_mpasswd_rev; /* 92: Master Password revision */
225 uint16_t atap_hwreset_res; /* 93: Hardware reset value */
226 #define ATA_HWRES_CBLID 0x2000 /* CBLID above Vih */
227 #define ATA_HWRES_D1_PDIAG 0x0800 /* Device 1 PDIAG detect OK */
228 #define ATA_HWRES_D1_CSEL 0x0400 /* Device 1 used CSEL for address */
229 #define ATA_HWRES_D1_JUMP 0x0200 /* Device 1 jumpered to address */
230 #define ATA_HWRES_D0_SEL 0x0040 /* Device 0 responds when Dev 1 selected */
231 #define ATA_HWRES_D0_DASP 0x0020 /* Device 0 DASP detect OK */
232 #define ATA_HWRES_D0_PDIAG 0x0010 /* Device 0 PDIAG detect OK */
233 #define ATA_HWRES_D0_DIAG 0x0008 /* Device 0 diag OK */
234 #define ATA_HWRES_D0_CSEL 0x0004 /* Device 0 used CSEL for address */
235 #define ATA_HWRES_D0_JUMP 0x0002 /* Device 0 jumpered to address */
236 #if ATA_BYTE_ORDER == LITTLE_ENDIAN
237 uint8_t atap_acoustic_val; /* 94: Current acoustic level */
238 uint8_t atap_acoustic_def; /* recommended level */
239 #else
240 uint8_t atap_acoustic_def; /* recommended level */
241 uint8_t atap_acoustic_val; /* 94: Current acoustic level */
242 #endif
243 uint16_t __reserved6[5]; /* 95-99: reserved */
244 uint16_t atap_max_lba[4]; /* 100-103: Max. user LBA add */
245 uint16_t __reserved7[23]; /* 104-126: reserved */
246 uint16_t atap_rmsn_supp; /* 127: remov. media status notif. */
247 #define WDC_RMSN_SUPP_MASK 0x0003
248 #define WDC_RMSN_SUPP 0x0001
249 uint16_t atap_sec_st; /* 128: security status */
250 #define WDC_SEC_LEV_MAX 0x0100
251 #define WDC_SEC_ESE_SUPP 0x0020
252 #define WDC_SEC_EXP 0x0010
253 #define WDC_SEC_FROZEN 0x0008
254 #define WDC_SEC_LOCKED 0x0004
255 #define WDC_SEC_EN 0x0002
256 #define WDC_SEC_SUPP 0x0001
257 uint16_t __reserved8[31]; /* 129-159: vendor specific */
258 uint16_t atap_cfa_power; /* 160: CFA powermode */
259 #define ATAPI_CFA_MAX_MASK 0x0FFF
260 #define ATAPI_CFA_MODE1_DIS 0x1000 /* CFA Mode 1 Disabled */
261 #define ATAPI_CFA_MODE1_REQ 0x2000 /* CFA Mode 1 Required */
262 #define ATAPI_CFA_WORD160 0x8000 /* Word 160 supported */
263 uint16_t __reserved9[15]; /* 161-175: reserved for CFA */
264 uint8_t atap_media_serial[60]; /* 176-205: media serial number */
265 uint16_t __reserved10[49]; /* 206-254: reserved */
266 #if ATA_BYTE_ORDER == LITTLE_ENDIAN
267 uint8_t atap_signature; /* 255: Signature */
268 uint8_t atap_checksum; /* Checksum */
269 #else
270 uint8_t atap_checksum; /* Checksum */
271 uint8_t atap_signature; /* 255: Signature */
272 #endif
273 };
274
275 #undef ATA_BYTE_ORDER
276 #endif /* !_DEV_ATA_ATAREG_H_ */