u-boot/include/ata.h

5  * SPDX-License-Identifier:	GPL-2.0+
10  * "Information Technology - AT Attachment-3 Interface (ATA-3)"
12  * http://www.dt.wdc.com/ata/ata-3/ata3r5v.zip
14  * ftp://ftp.fee.vutbr.cz/pub/doc/io/ata/ata-3/ata3r5v.zip
23  * 8-bit (register) and 16-bit (data) accesses might use different
55  * Status register bits
67  * Device / Head Register Bits
135 /* ------------------------------------------------------------------------- */
138  * structure returned by ATA_CMD_IDENT, as per ANSI ATA2 rev.2f spec
143 	unsigned short	reserved2;	/* reserved (word 2) */
145 	unsigned short	track_bytes;	/* unformatted bytes per track */
146 	unsigned short	sector_bytes;	/* unformatted bytes per sector */
147 	unsigned short	sectors;	/* "physical" sectors per track */
161 	unsigned char	capability;	/* bits 0:DMA 1:LBA 2:IORDYsw 3:IORDYsup*/
162 	unsigned short	reserved50;	/* reserved (word 50) */
167 	unsigned short	field_valid;	/* bits 0:cur_ok 1:eide_ok */
170 	unsigned short	cur_sectors;	/* logical sectors per track */
176 	unsigned short	dma_1word;	/* single-word dma info */
177 	unsigned short	dma_mword;	/* multiple-word dma info */
178 	unsigned short  eide_pio_modes; /* bits 0:mode3 1:mode4 */
183 	unsigned short	words69_70[2];	/* reserved words 69-70 */
184 	unsigned short	words71_74[4];	/* reserved words 71-74 */
186 	unsigned short  words76_79[4];	/* reserved words 76-79 */
189 	unsigned short  command_set_1;	/* bits 0:Smart 1:Security 2:Removable 3:PM */
190 	unsigned short	command_set_2;	/* bits 14:Smart Enabled 13:0 zero 10:lba48 support*/
191 	unsigned short  cfsse;		/* command set-feature supported extensions */
192 	unsigned short  cfs_enable_1;	/* command set-feature enabled */
193 	unsigned short  cfs_enable_2;	/* command set-feature enabled */
194 	unsigned short  csf_default;	/* command set-feature default */
196 	unsigned short	word89;		/* reserved (word 89) */
197 	unsigned short	word90;		/* reserved (word 90) */
199 	unsigned short	word92;		/* reserved (word 92) */
201 	unsigned short	words94_99[6];/* reserved words 94-99 */
202 …/*unsigned long long  lba48_capacity; /--* 4 16bit values containing lba 48 total number of sector…
204 	unsigned short	words104_125[22];/* reserved words 104-125 */
205 	unsigned short	last_lun;	/* reserved (word 126) */
206 	unsigned short	word127;	/* reserved (word 127) */
209 					 * 8	security level 1:max 0:high
222 					 * 1	read-look-ahead
225 	unsigned short	words130_155[26];/* reserved vendor words 130-155 */
227 	unsigned short	words157_159[3];/* reserved vendor words 157-159 */
228 	unsigned short	words160_162[3];/* reserved words 160-162 */
230 	unsigned short	words164_255[92];/* reserved words 164-255 */
237  * See ATA-3 (AT Attachment-3 Interface) documentation, Figure 14 / Table 21
247 #define	IDE_MAX_PIO_MODE	4	/* max suppurted PIO mode		*/
249 /* ------------------------------------------------------------------------- */