Analogue & Micro PowerPC 860T

Overview

RedBoot uses the SMC1 serial port. The default serial port settings are 38400,8,N,1. Ethernet is also supported using the RJ-45 connector.

Management of onboard flash is also supported. A single RedBoot configuration is supported:

Initial Installation Method

RedBoot must be installed at the A & M factory.

Flash management

Special RedBoot Commands

None.

Memory Maps

Memory Maps RedBoot sets up the following memory map on the MBX board.
Physical Address Range Description
----------------------- -----------
0x00000000 - 0x007fffff DRAM
0xfe000000 - 0xfe0fffff flash (AMD29LV8008B)
0xff000000 - 0xff0fffff MPC registers

Resource Usage

The flash based RedBoot image occupies flash addresses 0xfe000000 - 0xfe02ffff. RedBoot also reserves RAM (0x00000000 - 0x0003ffff) for RedBoot runtime uses. RAM physical addresses from 0x00040000 to the end of RAM are available for general use, such as a temporary scratchpad for downloaded images, before they are written to flash.

Rebuilding RedBoot

The instructions in Chapter 3 should be followed. The values for TARGET, ARCH_DIR and PLATFORM_DIR on this platform are “viper”, “powerpc” and “viper” respectively. Note that the configuration export files supplied in the hal/powerpc/viper/VERSION/misc directory in the RedBoot source tree should be used.