Artesyn COMX-P40x0 ENP2 Installation and Use (January 2015) - Manual (Page 104)

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COMX-P40x0 ENP2 Installation and Use (6806800R95C) 104
CPU0 is the active CPU in the U-Boot. Run the command "reset" to reboot the CPU/board.
7.9 Address Space
U-Boot and Linux works in 36-bit physical addressing mode. The relationship between
effective address and physical address is displayed in the memory map table on
Table "COMX-
P4080 Address Space" .
The following are mapped in to the first 4 GB address space of the 64 GB, which is the 36-bit
physical address space. The 4 GB space is named as the effective address space and is accessed
by the U-Boot.
 DDR3 SDRAM
 PCIE1/2/3 MEM
 PCIE1/2/3 IO
 RIO1/2 MEM
 LBC NOR FLASH
 DCSR
 BMAN MEM
 QMAN MEM
 NAND FLASH Buffer
 CCSR
 BOOT PAGE
Table 7-3 COMX-P4080 Address Space
Address
32-bit Effective
Base Address 36-bit Physical
Base Address
Size Description
1 0000 0000 0 0000 0000 8000 0000 - 2 GB DDR3 Memory
2 8000 0000 C 0000 0000 2000 0000 - 512 MB PCIE1 MEM
3 A000 0000 C 2000 0000 2000 0000 - 512 MB PCIE2 MEM, if #4 and #5 are unused
4 A000 0000 C 2000 0000 1000 0000 - 256 MB RIO1 MEM, if #2 is unused