6b13f685e
 김민수
BSP 최초 추가
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/*
* Copyright (C) 2008 Freescale Semiconductor, Inc.
* Dave Liu <daveliu@freescale.com>
* port from the libata of linux kernel
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <libata.h>
u64 ata_id_n_sectors(u16 *id)
{
if (ata_id_has_lba(id)) {
if (ata_id_has_lba48(id))
return ata_id_u64(id, ATA_ID_LBA48_SECTORS);
else
return ata_id_u32(id, ATA_ID_LBA_SECTORS);
} else {
return 0;
}
}
u32 ata_dev_classify(u32 sig)
{
u8 lbam, lbah;
lbam = (sig >> 16) & 0xff;
lbah = (sig >> 24) & 0xff;
if (((lbam == 0) && (lbah == 0)) ||
((lbam == 0x3c) && (lbah == 0xc3)))
return ATA_DEV_ATA;
if ((lbam == 0x14) && (lbah == 0xeb))
return ATA_DEV_ATAPI;
if ((lbam == 0x69) && (lbah == 0x96))
return ATA_DEV_PMP;
return ATA_DEV_UNKNOWN;
}
static void ata_id_string(const u16 *id, unsigned char *s,
unsigned int ofs, unsigned int len)
{
unsigned int c;
while (len > 0) {
c = id[ofs] >> 8;
*s = c;
s++;
c = id[ofs] & 0xff;
*s = c;
s++;
ofs++;
len -= 2;
}
}
void ata_id_c_string(const u16 *id, unsigned char *s,
unsigned int ofs, unsigned int len)
{
unsigned char *p;
ata_id_string(id, s, ofs, len - 1);
p = s + strnlen((char *)s, len - 1);
while (p > s && p[-1] == ' ')
p--;
*p = '\0';
}
void ata_dump_id(u16 *id)
{
unsigned char serial[ATA_ID_SERNO_LEN + 1];
unsigned char firmware[ATA_ID_FW_REV_LEN + 1];
unsigned char product[ATA_ID_PROD_LEN + 1];
u64 n_sectors;
/* Serial number */
ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial));
printf("S/N: %s
\r", serial);
/* Firmware version */
ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware));
printf("Firmware version: %s
\r", firmware);
/* Product model */
ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product));
printf("Product model number: %s
\r", product);
/* Total sectors of device */
n_sectors = ata_id_n_sectors(id);
printf("Capablity: %lld sectors
\r", n_sectors);
printf ("id[49]: capabilities = 0x%04x
"
"id[53]: field valid = 0x%04x
"
"id[63]: mwdma = 0x%04x
"
"id[64]: pio = 0x%04x
"
"id[75]: queue depth = 0x%04x
",
id[49],
id[53],
id[63],
id[64],
id[75]);
printf ("id[76]: sata capablity = 0x%04x
"
"id[78]: sata features supported = 0x%04x
"
"id[79]: sata features enable = 0x%04x
",
id[76],
id[78],
id[79]);
printf ("id[80]: major version = 0x%04x
"
"id[81]: minor version = 0x%04x
"
"id[82]: command set supported 1 = 0x%04x
"
"id[83]: command set supported 2 = 0x%04x
"
"id[84]: command set extension = 0x%04x
",
id[80],
id[81],
id[82],
id[83],
id[84]);
printf ("id[85]: command set enable 1 = 0x%04x
"
"id[86]: command set enable 2 = 0x%04x
"
"id[87]: command set default = 0x%04x
"
"id[88]: udma = 0x%04x
"
"id[93]: hardware reset result = 0x%04x
",
id[85],
id[86],
id[87],
id[88],
id[93]);
}
void ata_swap_buf_le16(u16 *buf, unsigned int buf_words)
{
unsigned int i;
for (i = 0; i < buf_words; i++)
buf[i] = le16_to_cpu(buf[i]);
}
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