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Download SBE HighWire HW400c/2 Specifications
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38 Programming Information Table 5-3 Local PCI address space HW400p/M Technical Reference - 1.0, March 6, 2002 Start End Size Region Description 0x0000 0000 0x02FF FFFF 64MB KMEM MPC8245 Shared SDRAM in secondary PCI space. Also mapped into host PCI space. This is the host’s PCI bus window into the secondary PCI space. The mapping of this space onto the host PCI bus is a function of the 21554 PCI-to-PCI bridge. 0x0300 0000 0x8BFF FFFF 1472MB RSVD Reserved 0x8C00 0000 0x8C00 03FF 1KB ENET 10/100 Base T Ethernet Controller CSR registers. 0x8C00 0400 0x8C0F FFFF 2047KB RSVD Reserved 0x8C20 0000 0x8C20 0FFF 4KB PPBCSR The 21554 PCI-PCI bridge chip local configuration registers mapped into local PCI bus memory space. 0x8C20 1000 0x8C4F FFFF 1020KB RSVD Reserved 0x8C50 0000 0x9FFF FFFF 315MB RSVD Reserved 0xA000 0000 0xBFFF FFFF 512MB PMC PMC site memory space mapping area. 0xC00 00000 0xFFFF FFFF 1GB HPMWIN Host PCI bus master window. This is the MPC8245’s master window looking out onto the host PCI bus. Up to 1GB of host PCI bus address space can be mapped into the secondary PCI bus address space via the 21554 PCI-to-PCI bridge.
