8.4.5.23 TZC_CPU Region y Top Address Register
y refers to the Region index.
y refers to the region.
Reset value of TZC_CPU_REGION_TOP0 = 0xFFFFFFFF.
Access of TZC_CPU_REGION_BASE0 is Read-only.
| Name: | TZC_CPU_REGION_TOPy |
| Offset: | 0x1108 + y*0x20 [y=0..8] |
| Reset: | 0x00000FFF |
| Property: | Read/Write |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| TOP_ADDRESS[19:12] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| TOP_ADDRESS[11:4] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| TOP_ADDRESS[3:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | |||||
| Reset | 0 | 0 | 0 | 0 | |||||
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| Access | |||||||||
| Reset |
Bits 31:12 – TOP_ADDRESS[19:0] Region y Top Address
Controls the region top address bits[31:12] of Region y. This address points to the start of the next 4-KB aligned address.