+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
*/
/*
* Most of the following information was derived from the document
- * "Information Technology - AT Attachment-3 Interface (ATA-3)"
- * which can be found at:
- * http://www.dt.wdc.com/ata/ata-3/ata3r5v.zip
- * ftp://poctok.iae.nsk.su/pub/asm/Documents/IDE/ATA3R5V.ZIP
- * ftp://ftp.fee.vutbr.cz/pub/doc/io/ata/ata-3/ata3r5v.zip
+ * "Information Technology - AT Attachment-3 Interface (ATA-3)",
+ * ANSI X3.298-1997.
*/
#ifndef _ATA_H
* 8-bit (register) and 16-bit (data) accesses might use different
* address spaces. This is implemented by the following definitions.
*/
-#ifndef CONFIG_SYS_ATA_STRIDE
-#define CONFIG_SYS_ATA_STRIDE 1
-#endif
#define ATA_IO_DATA(x) (CONFIG_SYS_ATA_DATA_OFFSET+((x) * CONFIG_SYS_ATA_STRIDE))
#define ATA_IO_REG(x) (CONFIG_SYS_ATA_REG_OFFSET +((x) * CONFIG_SYS_ATA_STRIDE))
/*
* Device / Head Register Bits
*/
+#ifndef ATA_DEVICE
#define ATA_DEVICE(x) ((x & 1)<<4)
+#endif /* ATA_DEVICE */
#define ATA_LBA 0xE0
/*
- * ATA Commands (only mandatory commands listed here)
- */
-#define ATA_CMD_READ 0x20 /* Read Sectors (with retries) */
-#define ATA_CMD_READN 0x21 /* Read Sectors ( no retries) */
-#define ATA_CMD_WRITE 0x30 /* Write Sectores (with retries)*/
-#define ATA_CMD_WRITEN 0x31 /* Write Sectors ( no retries)*/
-#define ATA_CMD_VRFY 0x40 /* Read Verify (with retries) */
-#define ATA_CMD_VRFYN 0x41 /* Read verify ( no retries) */
-#define ATA_CMD_SEEK 0x70 /* Seek */
-#define ATA_CMD_DIAG 0x90 /* Execute Device Diagnostic */
-#define ATA_CMD_INIT 0x91 /* Initialize Device Parameters */
-#define ATA_CMD_RD_MULT 0xC4 /* Read Multiple */
-#define ATA_CMD_WR_MULT 0xC5 /* Write Multiple */
-#define ATA_CMD_SETMULT 0xC6 /* Set Multiple Mode */
-#define ATA_CMD_RD_DMA 0xC8 /* Read DMA (with retries) */
-#define ATA_CMD_RD_DMAN 0xC9 /* Read DMS ( no retries) */
-#define ATA_CMD_WR_DMA 0xCA /* Write DMA (with retries) */
-#define ATA_CMD_WR_DMAN 0xCB /* Write DMA ( no retires) */
-#define ATA_CMD_IDENT 0xEC /* Identify Device */
-#define ATA_CMD_SETF 0xEF /* Set Features */
-#define ATA_CMD_CHK_PWR 0xE5 /* Check Power Mode */
-
-#define ATA_CMD_READ_EXT 0x24 /* Read Sectors (with retries) with 48bit addressing */
-#define ATA_CMD_WRITE_EXT 0x34 /* Write Sectores (with retries) with 48bit addressing */
-#define ATA_CMD_VRFY_EXT 0x42 /* Read Verify (with retries) with 48bit addressing */
-
-/*
* ATAPI Commands
*/
-#define ATAPI_CMD_IDENT 0xA1 /* Identify AT Atachment Packed Interface Device */
-#define ATAPI_CMD_PACKET 0xA0 /* Packed Command */
-
-
#define ATAPI_CMD_INQUIRY 0x12
#define ATAPI_CMD_REQ_SENSE 0x03
#define ATAPI_CMD_READ_CAP 0x25
#define ATA_BLOCKSIZE 512 /* bytes */
#define ATA_BLOCKSHIFT 9 /* 2 ^ ATA_BLOCKSIZESHIFT = 512 */
-#define ATA_SECTORWORDS (512 / sizeof(unsigned long))
+#define ATA_SECTORWORDS (512 / sizeof(uint32_t))
#ifndef ATA_RESET_TIME
#define ATA_RESET_TIME 60 /* spec allows up to 31 seconds */
unsigned short cur_capacity1; /* (2 words, misaligned int) */
unsigned char multsect; /* current multiple sector count */
unsigned char multsect_valid; /* when (bit0==1) multsect is ok */
- unsigned int lba_capacity; /* total number of sectors */
+ unsigned short lba_capacity[2];/* two words containing total number of sectors */
unsigned short dma_1word; /* single-word dma info */
unsigned short dma_mword; /* multiple-word dma info */
unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */