Intel® Stratix® 10 Hard Processor System Technical Reference Manual

ID 683222
Date 11/28/2022
Public

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15.5.2.3.2. Configure for Default Area Access

You only need to configure for default area access if the transfer mode was previously changed to spare area or main+spare area. To configure default area access:
  1. Write to the command register, setting the CMD_MAP field to 2 and the BLK_ADDR field to any block.
  2. Write 0x42 to the Data register.

The NAND flash controller determines the default area transfer mode from the setting of the transfer_spare_reg register in the config group. If it is set to 1, then the transfer mode becomes main+spare area, otherwise it is main area.