Freescale Semiconductor 56800E Manuale utente

56800E

freescale.com

16-Bit Digital Signal Controllers

56800E

Flash Programmer User Guide

56800EFPUG

Rev. 0

09/2005

56800E Flash Programmer User Guide, Rev. 0

2Freescale Semiconductor

Document Revision History

Version History Description of Change

Rev 0 Initial release

56800E Flash Programmer User Guide, Rev. 0

Freescale Semiconductor 3

56800E Flash Programmer User Guide

The 56800E Flash Programmer provides a means to program the on-chip Flash of the 56800E DSC family.

The Flash Memory blocks are programmed in circuit, using the JTAG/EOnCE interface. The 56800E

Flash Programmer is suitable for both a low volume production environment as well as for in-field

firmware upgrades.

The 56800E Flash Programmer runs under a 32-bit Windows environment on PC compatible computers.

A Parallel Command Converter or CodeWarrior USB TAP is needed to provide the interface between the

JTAG/OnCE interface of the target system and the computer. The connection is outlined in the figure

below.

Figure 1 Connecting the Target System to the PC via Parallel Command Connector

Figure 2 Connecting the Target System to the PC via USB Tap

The 56800E Flash Programmer is provided in two forms. The first is command-line oriented to allow easy

integration with scripts. The second is a GUI running under windows to allow easy rapid Flash loading

onto the target device. The command line version is backwards compatible with the old Flash over JTAG

tool.

Cable

PC-Compatible

Computer

JTAG

Power

Parallel

Command

Converter

Target

System

Parallel Extention

PC-Compatible

Computer

JTAG

Power

Target

System

USB Cable

USB TAP

56800E Flash Programmer User Guide, Rev. 0

4Freescale Semiconductor

1. Corrections to CodeWarrior v7.2 Configuration Files

The configuration files in CodeWarrior v7.2 may need to be modified depending on the device or devices

to be programmed. These files will be corrected in CodeWarrior v7.3. They are typically found in the

following location:

C:\Program Files\Metrowerks\CodeWarrior\M56800E Support\initialization

For the 56F801x devices, change the following line in the file 56801x_flash.cfg

set_hfm_programmer_base 0x8746 # shared p-ram

set_hfm_programmer_base 0x8700 # shared p-ram

For the 56F835x device, change the following line in the file 56835x_flash.cfg

set_hfm_config_base 0x00FFF7

set_hfm_config_base 0x01FFF7

The first correction is required for the 56F8013 and 56F8014; programming will fail if the modification is

not applied. The second correction for the 56F8355, 56F8356, and 56F8357 is only required if it is desired

to use the lock flash after programming feature.

2. 56800E Flash Programmer Description

The 56800E Flash Programmer runs under 32-bit Windows operating systems.

Before loading to the actual device, the 56800E Flash Programmer will first create a Virtual Device Image

on the Host PC. The Virtual Device Image contains all of the memory to be programmed on the device

allowing for all of the S-Record, or executable and linking format (ELF) files, to be loaded and verified

before any programming begins. Additionally, the 56800E Flash Programmer allows certain operations to

be performed on the Virtual Device Image as if it was a real device; however, this feature is only supported

in the Command-Line version.

2.1 Command-Line Version

The command line version executes in a DOS window and accepts command line parameters to control its

operation. The command line interface is very effective when the 56800E Flash Programmer needs to be

integrated into scripts or executed by other programs controlling the manufacturing process. All the

mandatory parameters are indicated by ‘<>’ brackets and optional parameters are indicated by ‘[]’

brackets. The syntax has the following two variants:

Command-Line Version

56800E Flash Programmer User Guide, Rev. 0

Freescale Semiconductor 5

1. fflash <flash config file> <S-Record/ELF file 1> [S-Record/ELF file 2] [.] [S-Record/ ELF file N]

[options]

2. fflash <flash config file> [options]

Certain operations, such as recovery, are performed when no S-Record or ELF file is provided.

The configuration files can be typically found in the following directory on the PC:

C:\Program Files\Metrowerks\CodeWarrior\M56800E Support\initialization

2.1.1 Options

Position of options on the command line is not fixed. They can be specified before, between, or after the

configuration and the list of S-Record ,or ELF files to be loaded.

All options with the text Legacy Support, indicate they remain to support the old Flash over JTAG

application. These options are deprecated. They indicate what options should be used instead.

2.1.1.1 –crc

Performs a 32-bit cyclical redundancy check (CRC) from a start address to an end address, and reports the

32-bit CRC to the user. This can be used in conjunction with the –dumpvirtual to dump the 32-bit CRC of

a file without loading it onto the device.

Example: fflash flash.cfg my_appl.S –crcP0x0-0x1fff

2.1.1.2 –d

By default, the tool resets the target after programming is concluded and program execution will occur.

This option forces the tool to leave the target in Debug mode, i.e. the downloaded code is not executed

immediately after programming.

Example: fflash flash.cfg my_appl.S –d

2.1.1.3 –dumpvirtual

When used in conjunction with the –r/–v/–crc switch’s parameters, the contents of the virtual device on

the computer will be dumped to a S-Record, or ELF file, instead of reading the contents off of the actual

Digital Signal Controller (DSC) device.

Example: fflash flash.cfg my_appl.S –dumpvirtual –vP0x0:0x1fff

2.1.1.4 –erase=<all|unit|page>

This parameter tells the programmer how the device should be erased by any one of three modes before

any programming occurs:

56800E Flash Programmer User Guide, Rev. 0

6Freescale Semiconductor

1. When the mode is set to all, the entire device is erased before any programming occurs; however, the mode

does not perform a recovery and can still fail if the Flash is secured. In this case, use the –recover option.

2. When the mode is set to unit, only the specific unit requiring programming will be erased. A unit is defined

by the add_hfm_unit token in the Flash configuration file and is generally referring to Boot, Program, or

Data Flash blocks.

3. When the mode is set to page, only the specific page of Flash requiring programming will be erased.

Using the unit or page mode is useful when wishing to preserve information currently stored in either a

particular Flash block or page. By default this parameter is unit.

Example: fflash flash.cfg my_appl.S –erase=page

2.1.1.5 –fastport

Legacy Support

This option is no longer supported. The previous version of the Flash over JTAG tool would attempt to

communicate with the Parallel Command Converter as quickly as the LPT port would allow. Some LPT

ports would operate too fast for the DSC to remain aligned, therefore this option was provided. This is no

longer required because the JTAG clock speed can now be set more specifically through the –jtagclk=X

option.

2.1.1.6 –jtagclk=<x>

This option tells the CCS server the frequency (kHz) at which to run the JTAG interface. The default value

is 800kHz. Faster clock speeds allow for faster programming, but if the clock is set too fast, the DSC chip

may not be able to process incoming data quickly enough, eventually leading to a programming failure.

Example: fflash flash.cfg my_appl.S –jtagclk=1000

2.1.1.7 –l<log file>

This option forces all messages shown on the screen to be written into the Log File. If the file already

exists, it will be overwritten.

Example: fflash flash.cfg my_appl.S –lmylog.txt

2.1.1.8 –lock

This option will lock the device by enabling Flash security. This option writes 0xE70A to the

SECLO_VALUE location in the Flash Security Configuration table of Program Flash. If an S-Record or,

ELF file is provided, this location is written to after the S-Record, or ELF file is loaded. This option can

also be used in combination with the –recover option, allowing the program to recover from the locked

state, load the S-Record, then proceed to relock the device, allowing an upgrade of a LOCKED device. The

56800E Flash Programmer verifies the SECLO_VALUE location is 0xFFFF before the location is written

to. If the location is not 0xFFFF the programming of this location cannot proceed and an error is received.

Please note this only enables Flash Security. Any advanced options, such as back door enable and the back

door key will require a loadable S-Record, or ELF file defining this data.

Example: fflash flash.cfg my_appl.S –lock

Command-Line Version

56800E Flash Programmer User Guide, Rev. 0

Freescale Semiconductor 7

2.1.1.9 –LPT<X>

By default, the 56800E Flash Programmer uses the current configured device on the CCS server. How-

ever, the default can be overridden by the –USB or –LPTX switches. The LPT switch will configures the

CCS server for the Parallel Command Converter. Additionally, this change will be permanent to CCS,

and may need to be changed before other applications use the CCS server. When connecting to a remote

CCS server using the –remote switch, the remote server will be configured to use this LPT port.

Example: fflash flash.cfg my_appl.S .LPT1

2.1.1.10 –p<PORT>

Legacy Support

This option is used to specify which LPT port to use when connecting to a Parallel Command Converter.

When this option is specified, along with the –remote option, it connects to the specified LPT port on that

remote device. Because this command is deprecated, it only supports the addresses listed in Table 2-1. No

other address will be supported. The option –LPTX should be used in place of this deprecated option.

Example: fflash flash.cfg my_appl.s –p0x378

56800E Flash Programmer User Guide, Rev. 0

8Freescale Semiconductor

2.1.1.11 –page

Legacy Support

This option specifies a Page Erase mode should be used instead of the Mass Erase mode. This parameter

is useful for in-field upgrades where parameters stored in on-chip Flash must be preserved. In this case,

only pages containing addresses referenced by the S-Record file will be erased. As this option is

deprecated, the –erase=X option should be used instead. This option is identical to –erase=page.

Example: fflash flash.cfg my_appl.s –page

2.1.1.12 –r<mem><start>:<end>

This option causes the contents of the DSC memory to be dumped to the specified S-Record file. If the

output file already exists, it is overwritten.’<mem>’ specifies whether Data (‘X’) or Program (‘P’) memory

should be dumped. Addresses, ‘<start>’ and ‘<end>’, are expressed in hexadecimal.

Examples: fflash flash.cfg readout_x.S –rX0x0:0xfff

fflash flash.cfg readout_p.S –rP0x0:0xfff

2.1.1.13 –recover

This option disables Flash Security by erasing ALL on-chip Flash units of the DSC. Please note the

contents of ALL on-chip Flash units are lost and cannot be recovered after performing this algorithm.

When the recover switch is provided in combination with a S-Record, or ELF file, the program will first

recover the Flash before programming the new S-Record, or ELF file onto the Flash.

Example: fflash flash.cfg –recover

fflash flash.cfg my_appl.S –recover

2.1.1.14 –remote=Address[:port]

By default, the 56800E Flash Programmer connects to the local computer’s CCS server and attempts to

use it to program the DSC device. However, it is possible to program a device connected to a remote

computer’s CCS server. When the remote option is specified, the address of the remote CCS server is

required; nonetheless, the port is optional. The default value of the port is 41475. Changing the port value

is useful when the CCS server is behind a firewall. Contact your network administrator for more

information about which ports are open.

NOTE: The IP address of the local computer is 127.0.0.1.

Examples:

Table 2-1 Typical Addresses Assigned to

LPT Ports on IBM-PC Machines

LPT# Base Address

LPT1 0x378

LPT2 0x278

LPT3 0x3BC

Command-Line Version

56800E Flash Programmer User Guide, Rev. 0

Freescale Semiconductor 9

Connects to the local computer, at port 1000

fflash flash.cfg my_appl.S –remote=127.0.0.1:1000

Connects to the remote CCS server at IP address 1.2.3.4

fflash flash.cfg my_appl.S–remote=1.2.3.4

Connects to the remote CCS server named BOB

fflash flash.cfg my_appl.S –remote=BOB

Connects to the remote CCS server at IP address 1.2.3.4 at port 1000

fflash flash.cfg my_appl.S –remote=1.2.3.4:1000

2.1.1.15 –s

This option enables Silent mode. Normally the 56800E Flash Programmer reports an error for each word

of data, or code, found in the specified S-Record not fitting into any of the address ranges of the Flash

blocks defined in the Flash configuration file. When Silent mode is enabled, the 56800E Flash Programmer

only reports some data was ignored, but it does not print any further details.

Example: fflash flash.cfg my_appl.S –s

2.1.1.16 –t<S-record file>

Legacy Support

This option has the same behavior as simply specifying additional S-Records, or ELF files, on the

command line; however, using the –t guarantees it will be the last S-Record, or ELF file, loaded in the

chain.

Example: fflash flash.cfg my_app.S –tserial.S

2.1.1.17 –timeout=<x>

This option determines the wait length in seconds for the CCS server to respond before it will abort and

return an error. The default value is 5 seconds.

Example: fflash flash.cfg my_appl.S –timeout=10

2.1.1.18 –USB

By default, the 56800E Flash Programmer uses the current configured device on the CCS server. However,

the default can be overridden by the –USB or –LPTX switches. The USB switch configures the CCS server

for the CodeWarrior USB TAP device. Additionally, this change is permanent to CCS, and may need to

be changed before other applications use the CCS server. When connecting to a remote CCS server using

the –remote switch, the remote server will be configured to use the USB port.

Example: fflash flash.cfg my_appl.S –USB

2.1.1.19 –v<mem><start>:<end>

This option allows the user to view the DSC memory by dumping the contents of thememory to the screen.

‘<mem>’ specifies whether Data (‘X’) or Program (‘P’) memory should be dumped. Addresses, ‘<start>’

and ‘<end>’, are expressed in hexadecimal.

56800E Flash Programmer User Guide, Rev. 0

10 Freescale Semiconductor

Examples: fflash flash.cfg –vX0x0:0x1000

fflash flash.cfg –vP0x0:0x1000

2.1.1.20 –verify

This option does not load the data onto the device. A 32-bit CRC check is used to compare the Flash

contents of the device to the specified files with a PASS or FAIL result of this comparison. The 32-bit CRC

will also be displayed when the erase mode is set to unit or all for each unit being verified. The first failing

unit or page will cause the 56800E Flash Programmer to stop performing the verification routine.

Example: fflash flash.cfg my_appl.S –verify

2.1.1.21 –verifyprog

This option only verifies words actually programmed and not the entire unit/page, and depending on the

setting of the -erase=X option.

Example: fflash flash.cfg my_appl.S –verifyprog

2.1.1.22 –w

This option forces the 56800E Flash Programmer to wait until the DSC comes out of a Reset state. This

option is useful in situations where there is external circuitry on the proprietary target hardware,

prolonging the duration of a Reset. This option is also useful when the DSC is powered down. It is

necessary to make sure it will be programmed as soon as the target hardware is powered up.

Example: fflash flash.cfg my_appl.S –w

2.1.2 Operation

The 56800E Flash Programmer outputs progress and status messages to standard output. Where the

56800E Flash Programmer is called from a script, or another program, the output messages can be

redirected to a file for later inspection by the operator. For easy integration into scripts, the final status of

the programming operation is also provided through an error level. Please see Section 2.1.4 for details.

When the amount of code and data in the S-Record file is large, programming and verification may take

longer. Typical error-free output of the 56800E Flash Programmer is illustrated in Figure 2-1.

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