8.4.5.11 TZC_SYS Region y Attribute Register
y refers to the Region index.
Reset value of TZC_SYS_REGION_ATTRIBUTES0 = 0x0000000F.
Access of TZC_SYS_REGION_ATTRIBUTES0 is Read-only.
Each bit in this register is associated with the filter unit with the same index.
| Name: | TZC_SYS_REGION_ATTRIBUTESy |
| Offset: | 0x0110 + y*0x20 [y=0..8] |
| Reset: | 0x00000000 |
| Property: | Read/Write |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| S_WR_EN | S_RD_EN | ||||||||
| Access | R/W | R/W | |||||||
| Reset | 0 | 0 |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| Access | |||||||||
| Reset |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| Access | |||||||||
| Reset |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| FILTER_EN[3:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | |||||
| Reset | 0 | 0 | 0 | 0 | |||||
Bit 31 – S_WR_EN Region y Secure Global Write Enable
| Value | Name |
|---|---|
| 0 | Secure write to the region is not permitted. |
| 1 | Permits Secure write to the region. |
Bit 30 – S_RD_EN Region y Secure Global Read Enable
| Value | Name |
|---|---|
| 0 | Secure read to the region is not permitted. |
| 1 | Permits Secure read to the region. |
Bits 3:0 – FILTER_EN[3:0] Region y Filter Enable
When set high, enables the use of the current region programming for the associated filter.
For Region 0, this field is read-only and all bits are set high.