159 lines
3.6 KiB
C
159 lines
3.6 KiB
C
/*
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* Copyright (C) 2008 Freescale Semiconductor, Inc.
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* Dave Liu <daveliu@freescale.com>
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* port from the libata of linux kernel
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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#include <libata.h>
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u64 ata_id_n_sectors(u16 *id)
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{
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if (ata_id_has_lba(id)) {
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if (ata_id_has_lba48(id))
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return ata_id_u64(id, ATA_ID_LBA48_SECTORS);
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else
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return ata_id_u32(id, ATA_ID_LBA_SECTORS);
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} else {
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return 0;
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}
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}
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u32 ata_dev_classify(u32 sig)
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{
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u8 lbam, lbah;
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lbam = (sig >> 16) & 0xff;
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lbah = (sig >> 24) & 0xff;
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if (((lbam == 0) && (lbah == 0)) ||
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((lbam == 0x3c) && (lbah == 0xc3)))
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return ATA_DEV_ATA;
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if ((lbam == 0x14) && (lbah == 0xeb))
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return ATA_DEV_ATAPI;
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if ((lbam == 0x69) && (lbah == 0x96))
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return ATA_DEV_PMP;
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return ATA_DEV_UNKNOWN;
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}
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static void ata_id_string(const u16 *id, unsigned char *s,
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unsigned int ofs, unsigned int len)
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{
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unsigned int c;
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while (len > 0) {
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c = id[ofs] >> 8;
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*s = c;
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s++;
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c = id[ofs] & 0xff;
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*s = c;
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s++;
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ofs++;
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len -= 2;
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}
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}
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void ata_id_c_string(const u16 *id, unsigned char *s,
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unsigned int ofs, unsigned int len)
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{
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unsigned char *p;
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ata_id_string(id, s, ofs, len - 1);
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p = s + strnlen((char *)s, len - 1);
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while (p > s && p[-1] == ' ')
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p--;
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*p = '\0';
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}
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void ata_dump_id(u16 *id)
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{
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unsigned char serial[ATA_ID_SERNO_LEN + 1];
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unsigned char firmware[ATA_ID_FW_REV_LEN + 1];
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unsigned char product[ATA_ID_PROD_LEN + 1];
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u64 n_sectors;
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/* Serial number */
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ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial));
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printf("S/N: %s\n\r", serial);
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/* Firmware version */
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ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware));
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printf("Firmware version: %s\n\r", firmware);
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/* Product model */
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ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product));
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printf("Product model number: %s\n\r", product);
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/* Total sectors of device */
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n_sectors = ata_id_n_sectors(id);
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printf("Capablity: %lld sectors\n\r", n_sectors);
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printf ("id[49]: capabilities = 0x%04x\n"
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"id[53]: field valid = 0x%04x\n"
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"id[63]: mwdma = 0x%04x\n"
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"id[64]: pio = 0x%04x\n"
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"id[75]: queue depth = 0x%04x\n",
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id[49],
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id[53],
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id[63],
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id[64],
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id[75]);
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printf ("id[76]: sata capablity = 0x%04x\n"
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"id[78]: sata features supported = 0x%04x\n"
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"id[79]: sata features enable = 0x%04x\n",
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id[76],
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id[78],
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id[79]);
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printf ("id[80]: major version = 0x%04x\n"
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"id[81]: minor version = 0x%04x\n"
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"id[82]: command set supported 1 = 0x%04x\n"
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"id[83]: command set supported 2 = 0x%04x\n"
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"id[84]: command set extension = 0x%04x\n",
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id[80],
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id[81],
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id[82],
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id[83],
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id[84]);
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printf ("id[85]: command set enable 1 = 0x%04x\n"
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"id[86]: command set enable 2 = 0x%04x\n"
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"id[87]: command set default = 0x%04x\n"
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"id[88]: udma = 0x%04x\n"
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"id[93]: hardware reset result = 0x%04x\n",
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id[85],
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id[86],
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id[87],
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id[88],
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id[93]);
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}
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void ata_swap_buf_le16(u16 *buf, unsigned int buf_words)
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{
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unsigned int i;
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for (i = 0; i < buf_words; i++)
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buf[i] = le16_to_cpu(buf[i]);
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}
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