The TBU Secure Control register controls whether Non‑secure software is permitted to access the TBU registers.
Its characteristics are:
- Usage constraints
This register is accessible only by Secure software. Non‑secure accesses to this register are RAZ/WI.
This register exists in all TBU configurations.
The following figure shows the bit assignments.
Figure 3-13 TBU_SCR register bit assignments
The following table shows the bit assignments.
Table 3-29 TBU_SCR register bit assignments
Non‑secure register access to RAS registers:
Non‑secure register access to TBU_CTRL: