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 | Number of Apertures | Base Address of Aperture Registers | ||
|---|---|---|---|---|
| LPD_XPPU | PMC_XPPU | PMC_NPI_XPPU | ||
| 64 KB
|
256 |
|
0xF100_0000
|
0xF600_0000
|
| 1 MB
|
16 |
|
0xF000_0000
|
0xF700_0000
|
| 512 MB
|
1 |
0xE000_0000
|
0xC000_0000
|
Not supported |