device_width

         I/O width of attached devices 
      
Module Instance Base Address Register Address
i_nand_config 0xFFB80000 0xFFB80160

Offset: 0x160

Access: RW

Important: The value of a reserved bit must be maintained in software. When you modify registers containing reserved bit fields, you must use a read-modify-write operation to preserve state and prevent indeterminate system behavior.
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

Reserved

value

RW 0x3

device_width Fields

Bit Name Description Access Reset
1:0 value
Controller will read Electronic Signature of devices and populate
                               this field. For 512B devices, bootstrap_x16_device will determine the value of
                               this field. Software could also choose to override the populated value.
                               The values in this field should be as follows[list][*]2'h00 - 8bit device[*]
                               2'h01 - 16bit device[*]All other values - Reserved[/list] 
RW 0x3