Artesyn COMX-P2020 Installation and Use (July 2014) - Manual (Page 87)

Chapter 5
COMX-P2020 COM Express Module Installation and Use (6806800K97D) 87
Maps and Registers
5.1 Memory Map
The U-boot uses a 32-bit effective address and a 32-bit physical address. The memory map is
listed below:.
5.2 IRQ Distribution
Table 5-1 Memory Map
Address#
Effective
Base Address Physical Base
Address
Size Description
1. 0000 0000 0000 0000 8000 0000 - 2GB DDR3 Memory
2. 8000 0000 8000 0000 2000 0000 - 512MB PCIE3 MEM
3. A000 0000 A000 0000 2000 0000 - 512MB PCIE2 MEM
4. C000 0000 C000 0000 2000 0000 - 512MB PCIE1 MEM
5. FFC0 0000 FFC0 0000 0001 0000 - 64K PCIE3 MEM
6. FFC1 0000 FFC1 0000 0001 0000 - 64K PCIE2 MEM
7. FFC2 0000 FFC2 0000 0001 0000 - 64K PCIE1 MEM
8. FFD0 0000 FFD0 0000 0000 4000 - 16K L1 Cache(Initial RAM)
9. FFE0 0000 FFE0 0000 0010 0000 - 1MB CCSR
10. FFFF F000 FFFF F000 0000 1000 - 4KB BOOT PAGE
Table 5-2 IRQ Distribution
IRQ# Description
CPU_IRQ6 to COM-E connectors
CPU_IRQ5 LM75 IRQ output
CPU_IRQ4 SO-UDIMM_EVENT
CPU_IRQ3 RTC IRQ output
CPU_IRQ2 to COM-E connectors
CPU_IRQ1 to COM-E connectors