len0rd/rockbox
1
0
Fork 1
mirror of https://github.com/Rockbox/rockbox.git synced 2025-12-07 13:45:03 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

ATA: Check to see if the ATA device is solid-state (WIP)

Browse source 
Not all devices advertise this flag, unfortunately.

Change-Id: I6d666febdfcba7598e4d29df7d05c0a288e15158
This commit is contained in:
Solomon Peachy 2020-07-08 12:26:04 -04:00
parent 8029c89808
commit 066d471ae6
1 changed files with 13 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

13
firmware/drivers/ata.c
View file

@ -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,