Memory maps, Rebuilding redboot, Superh/sh3(sh7708) hitachi edk7708 – Comtrol eCos User Manual
Page 261: Overview, Initial installation method
Chapter 5. Installation and Testing
Memory Maps
Memory Maps RedBoot sets up the following memory map on the MBX board.
Physical Address Range Description
----------------------- -----------
0x00000000 - 0x003fffff DRAM
0xfa100000 - 0xfa100003 LEDs
0xfe000000 - 0xfe07ffff flash (AMD29F040B)
0xff000000 - 0xff0fffff MPC registers
Rebuilding RedBoot
These shell variables provide the platform-specific information needed for building RedBoot according to the
procedure described in
export TARGET=mbx
export ARCH_DIR=powerpc
export PLATFORM_DIR=mbx
The names of configuration files are listed above with the description of the associated modes.
SuperH/SH3(SH7708) Hitachi EDK7708
Overview
RedBoot uses the serial port. The default serial port settings are 38400,8,N,1.
Management of onboard flash is also supported.
The following RedBoot configurations are supported:
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
Program the ROM RedBoot image into flash using an eprom programmer.
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