diff options
| -rw-r--r-- | firmware/drivers/ata.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/firmware/drivers/ata.c b/firmware/drivers/ata.c index 39c305c3df..db39255256 100644 --- a/firmware/drivers/ata.c +++ b/firmware/drivers/ata.c @@ -332,6 +332,19 @@ static ICODE_ATTR void copy_write_sectors(const unsigned char* buf, } #endif /* !ATA_OPTIMIZED_WRITING */ +static inline int ata_disk_isssd(void) +{ + /* offset 217 is "Nominal Rotation rate" + 0x0000 == Not reported + 0x0001 == Solid State + 0x0401 -> 0xffe == RPM + All others reserved + + Some CF cards return 0x0100 (ie byteswapped 0x0001) so accept either + */ + return (identify_info[217] == 0x0001 || identify_info[217] == 0x0100); +} + static int ata_transfer_sectors(unsigned long start, int incount, void* inbuf, |