onfi_optional_commands
Optional commands supported by the connected ONFI device
| Module Instance | Base Address | Register Address |
|---|---|---|
| nandregs | 0xFFB80000 | 0xFFB80390 |
Offset: 0x390
Access: RO
Important: To prevent indeterminate
system behavior, reserved areas of memory must not be accessed by software or
hardware. Any area of the memory map that is not explicitly defined as a register
space or accessible memory is considered reserved.
| Bit Fields | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
Reserved |
|||||||||||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
value RO 0x0 |
|||||||||||||||
onfi_optional_commands Fields
| Bit | Name | Description | Access | Reset |
|---|---|---|---|---|
| 15:0 | value | The values in the field should be interpreted as follows[list] [*]Bit 0 - Supports page cache program command. [*]Bit 1 - Supports read cache commands. [*]Bit 2 - Supports get and set features. [*]Bit 3 - Supports read status enhanced commands. [*]Bit 4 - Supports copyback. [*]Bit 5 - Supports Read Unique Id. [*]Bit 6 - Supports Change Read Column Enhanced. [*]Bit 7 - Supports change row address. [*]Bit 8 - Supports Change small data move. [*]Bit 9 - Supports RESET Lun. [*]Bit 10-15 - Reserved.[/list] |
RO | 0x0 |