The bit for that profile is set in the [PERMISSION] bit field. For example, if the transaction satisfies the SMID and read/write permissions of the SMID_00 register and bit 0 of the [PERMISSION] bit field = 1, then the transaction might proceed pending other checks.
The following table shows the four sets of apertures and the address protected for each aperture.
| Aperture Size | Address Interval | Number of Apertures | Base Address of Aperture Registers | ||
|---|---|---|---|---|---|
| PMC_XPPU | PMC_XPPU_NPI | LPD_XPPU | |||
| 64 KB |
0x0001_0000
|
256 |
0xF100_0000
|
0xF600_0000
|
0xFF00_0000
|
| 1 MB |
0x0010_0000
|
16 |
0xF000_0000
|
0xF700_0000
|
0xFE00_0000
|
| 512 MB |
0x2000_0000
|
1 |
0xC000_0000
|
Does not exist |
0xE000_0000
|