RedBoot supports both serial ports for communication and downloads. The default serial port settings are 38400,8,N,1.
The following RedBoot configurations are supported:
RedBoot is installed using the on-board bootPROM environment. See the user manual for full details.
Here are quick start instructions for downloading the prebuilt Redboot image:
Set DIP switch S1[1] to the ON position and reset or power the board up. You will see the bootPROM startup message on serial port A (J14):
Initialising... ARM bootPROM [Version 1.3] Rebuilt on Jun 26 2001 at 22:04:10 Running on a Integrator Evaluation Board Board Revision V1.0, ARM966E-S Processor Memory Size is 16MBytes, Flash Size is 32MBytes Copyright (c) ARM Limited 1999 - 2001. All rights reserved. Board designed by ARM Limited Hardware support provided at http://www.arm.com/ For help on the available commands type ? or h boot Monitor > |
Issue the FLASH ROM load command:
boot Monitor > L Load Motorola S-Records into flash Deleting Image 0 The S-Record loader only accepts input on the serial port. Type Ctrl/C to exit loader. |
Either use the ASCII transmit option in the terminal emulator, or on Linux, simply cat the file to the serial port:
$ cat redboot.srec > /dev/ttyS0 |
When complete, type Ctrl-C and you should see something similar to:
................................
................................
....................
Downloaded 5,394 records in 81 seconds.
Overwritten block/s
0
boot Monitor > |
Set DIP switch S1[1] to the OFF position and reboot the board and you should see the RedBoot banner.
RedBoot sets up the following memory map on the Integrator board.
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).
ARM7TDMI -------- Physical Address Range C B Description ----------------------- - - ----------- 0x00000000 - 0x0007ffff N N SSRAM 0x00080000 - 0x0fffffff N N SDRAM (depends on part fitted) 0x10000000 - 0x1fffffff N N System control and peripheral registers 0x20000000 - 0x23ffffff N N Boot ROM (contains boot Monitor) 0x24000000 - 0x27ffffff N N FLASH ROM (contains RedBoot) 0x28000000 - 0x2bffffff N N SSRAM echo area 0x40000000 - 0x5fffffff N N PCI Memory access windows 0x60000000 - 0x60ffffff N N PCI IO access window 0x61000000 - 0x61ffffff N N PCI config space window 0x62000000 - 0x6200ffff N N PCI bridge register window 0x80000000 - 0x8fffffff N N SDRAM echo area (used for PCI accesses) ARM966E ------- Physical Address Range C B Description ----------------------- - - ----------- 0x00000000 - 0x000fffff N N SSRAM 0x00100000 - 0x0fffffff N N SDRAM (depends on part fitted) 0x10000000 - 0x1fffffff N N System control and peripheral registers 0x20000000 - 0x23ffffff N N Boot ROM (contains boot Monitor) 0x24000000 - 0x27ffffff N N FLASH ROM (contains RedBoot) 0x28000000 - 0x2bffffff N N SSRAM echo area 0x40000000 - 0x5fffffff N N PCI Memory access windows 0x60000000 - 0x60ffffff N N PCI IO access window 0x61000000 - 0x61ffffff N N PCI config space window 0x62000000 - 0x6200ffff N N PCI bridge register window 0x80000000 - 0x8fffffff N N SDRAM echo area (used for PCI accesses) |
These shell variables provide the platform-specific information needed for building RedBoot according to the procedure described in Chapter 3:
export TARGET=integrator export ARCH_DIR=arm export PLATFORM_DIR=integrator |
The names of configuration files are listed above with the description of the associated modes.