PFx_BAR3_APERTURE_SIZE_0 (CPM4_PCIE0_ATTR) Register Description
| Register Name | PFx_BAR3_APERTURE_SIZE_0 |
|---|---|
| Relative Address | 0x00000004CC |
| Absolute Address | 0x00FCA504CC (CPM4_PCIE0_ATTR) |
| Width | 32 |
| Type | rwNormal read/write |
| Reset Value | 0x00000000 |
| Description | BAR3 Aperture: Specifies the aperture of BAR 3. The valid encodings are: 00000 = 128bytes 00001 = 256bytes 00010 = 512bytes 00011 = 1 Kbytes 00100 = 2 Kbytes 00101 = 4 Kbytes 00110 = 8 Kbytes 00111 = 16 Kbytes 01000 = 32 Kbytes 01001 = 64 Kbytes 01010 = 128 Kbytes 01011 = 256 Kbytes 01100 = 512 Kbytes 01101 = 1 Mbytes 01110 = 2 Mbytes 01111 = 4 Mbytes 10000 = 8 Mbytes 10001 = 16 Mbytes 10010 = 32 Mbytes 10011 = 64 Mbytes 10100 = 128 Mbytes 10101 = 256 Mbytes 10110 = 512 Mbytes 10111 = 1 Gbytes 11000 = 2 Gbytes |
This register should only be written to during reset of the PCIe block
PFx_BAR3_APERTURE_SIZE_0 (CPM4_PCIE0_ATTR) Register Bit-Field Summary
| Field Name | Bits | Type | Reset Value | Description |
|---|---|---|---|---|
| attr | 4:0 | rwNormal read/write | 0x0 | BAR3 Aperture: Specifies the aperture of BAR 3. The valid encodings are: 00000 = 128bytes 00001 = 256bytes 00010 = 512bytes 00011 = 1 Kbytes 00100 = 2 Kbytes 00101 = 4 Kbytes 00110 = 8 Kbytes 00111 = 16 Kbytes 01000 = 32 Kbytes 01001 = 64 Kbytes 01010 = 128 Kbytes 01011 = 256 Kbytes 01100 = 512 Kbytes 01101 = 1 Mbytes 01110 = 2 Mbytes 01111 = 4 Mbytes 10000 = 8 Mbytes 10001 = 16 Mbytes 10010 = 32 Mbytes 10011 = 64 Mbytes 10100 = 128 Mbytes 10101 = 256 Mbytes 10110 = 512 Mbytes 10111 = 1 Gbytes 11000 = 2 Gbytes |