User`s guide

4.2 21164 Address Mapping to PCI Space
Table 4–14 Scatter-Gather Map Address
PCI_MASK<31:20>
Size of
Window
Scatter-Gather
Map Table
Size Scatter-Gather Map Address<32:3>
0000 0000 0000 1MB 1KB T_BASE<32:10>:pci_ad<19:13>
0000 0000 0001 2MB 2KB T_BASE<32:11>:pci_ad<20:13>
0000 0000 0011 4MB 4KB T_BASE<32:12>:pci_ad<21:13>
0000 0000 0111 8MB 8KB T_BASE<32:13>:pci_ad<22:13>
0000 0000 1111 16MB 16KB T_BASE<32:14>:pci_ad<23:13>
0000 0001 1111 32MB 32KB T_BASE<32:15>:pci_ad<24:13>
0000 0011 1111 64MB 64KB T_BASE<32:16>:pci_ad<25:13>
0000 0111 1111 128MB 128KB T_BASE<32:17>:pci_ad<26:13>
0000 1111 1111 256MB 256KB T_BASE<32:18>:pci_ad<27:13>
0001 1111 1111 512MB 512KB T_BASE<32:19>:pci_ad<28:13>
0011 1111 1111 1GB 1MB T_BASE<32:20>:pci_ad<29:13>
0111 1111 1111 2GB
1
2MB T_BASE<32:21>:pci_ad<30:13>
1111 1111 1111 4GB
1
4MB T_BASE<32:22>:pci_ad<31:13>
1
This size is not supported by the EB164.
Figure 4–7 shows the entire translation from PCI address to physical address
on a window that implements scatter-gather mapping.
4–24 System Address Mapping