Comtrol eCos - Manual (Page 209)

Chapter 5. Installation and Testing
Configuration Mode Description File
ROM [ROM] RedBoot running from the
board’s flash boot sector. redboot_ROM.ecm
RAM [RAM] RedBoot running from
RAM with RedBoot in the
flash boot sector. redboot_RAM.ecm
Initial Installation Method
A linux application is used to program the flash over the PCI bus. Sources and build instructions for this utility are
located in the RedBoot sources in:
packages/hal/arm/ebsa285/current/support/linux/safl_util
Communication Channels
Serial, Intel PRO 10/100+ 82559 PCI ethernet card.
Special RedBoot Commands
None.
Memory Maps
Physical and virtual mapping are mapped one to one on the EBSA-285 using a first level page table located at
address 0x4000. No second level tables are used.
NOTE: The virtual memory maps in this section use a C and B column to indicate whether or not the region is
cached (C) or buffered (B).
Address Range C B Description
----------------------- - - ----------------------------------
0x00000000 - 0x01ffffff Y Y SDRAM
0x40000000 - 0x400fffff N N 21285 Registers
0x41000000 - 0x413fffff Y N flash
0x42000000 - 0x420fffff N N 21285 CSR Space
0x50000000 - 0x50ffffff Y Y Cache Clean
0x78000000 - 0x78ffffff N N Outbound Write Flush
0x79000000 - 0x7c0fffff N N PCI IACK/Config/IO
0x80000000 - 0xffffffff N Y PCI Memory
105