Control Status Registers - 1.0 English

AXI Endpoint Protection Unit LogiCORE IP Product Guide (PG418)

Document ID
PG418
Release Date
2022-10-19
Version
1.0 English
Table 1. CTRL_STATUS
Address Name RW Default Value Description
0x00 CTRL_STATUS RO From parameters Control and status information
Table 2. Control Status Registers
Field Name Bits RW Notes
DEF_RD 0 RO Default Read Allowed: Behavior if a read transaction address does not match any address segment (including if the number of address segments = 0).
  • 0: Block the transaction
  • 1: Permit the transaction
DEF_WR 1 RO Default Write Allowed: Behavior if a write transaction address does not match any address segment (including if the number of address segments = 0).
  • 0: Block the transaction
  • 1: Permit the transaction
DEF_NS 2 RO Default TrustZone security status for addresses that do not match any address segment (including if the number of address segments = 0).
  • 0: Address is secure. Only secure transactions permitted if DEF_RD / DEF_WR is 1.
  • 1: Address is non-secure. Either secure or non-secure transactions permitted if DEF_RD / DEF_WR is 1.
ERR_RESP 3 RO Response if a transaction check fails.
  • 1: Return DECERR response
  • 0: Return OKAY response.

Regardless of this field, reads return fixed data 0xDEADB10C and writes have no effect.

Note: If the number of address segments = 0, then DEF_RD, DEF_WR, and DEF_NS all default to 1 (during configuration).