Artesyn COMX-P2020 BSP User Guide (July 2014) - Manual (Page 21)

Chapter 4
COMX-P2020 BSP User Guide (6806800L84B) 21
BSP Build Environment
4.1 Build U-boot
4.1.1 About U-boot
The \"U-Boot\" Universal Bootloader project provides firmware with full source code under GPL.
Many CPU architectures are supported: PowerPC (MPC5xx, MPC8xx, MPC82xx, MPC7xx,
MPC74xx, 4xx), ARM (ARM7, ARM9, StrongARM, Xscale), MIPS (4Kc, 5Kc), x86, etc.
4.1.2 U-boot for COMX-P2020
Since the U-boot has supported a range of CPU architectures including PowerPC (MPC5xx,
MPC8xx, MPC82xx, MPC7xx, MPC74xx, 4xx, QorIQ) while P2020 is a base-on-supported-
QorIQ processor, it is possible, as well as useful, to provide the U-boot firmware as the COMX-
P2020 bootloader.
COMX-P2020 only supports starting-up U-boot from SPI Flash and SD Card.
4.1.3 Memory Map
Table 4-1 Memory Map
Address# Effective Address Physical Address Size Description
1 0000 0000 0000 0000 2GB DDR3 Memory
2 8000 0000 8000 0000 512MB PCIE3 MEM
3 A000 0000 A000 0000 512MB PCIE2 MEM
4 C000 0000 C000 0000 512MB PCIE1 MEM
5 FFC0 0000 FFC0 0000 64KB PCIE3 I/O
6 FFC1 0000 FFC1 0000 64KB PCIE2 I/O
7 FFC2 0000 FFC2 0000 64KB PCIE1 I/O
8 FFD0 0000 FFD0 0000 16KB L1 Data Cache (Only used before
memory initialization)
9 FFE0 0000 FFE0 0000 1MB CSSR