JTAG instructions and hints

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Contents

Introduction

TODO: Add generic info about JTAG and why it safes ones ass if he messes with the flash

Hardware

PPC-based-boxes

JTAG-cable from tampakuro/kuroguy

JTAG10-jtag-cable from http://www.soc-machines.com/

LS1

TODO: Add info about the additional Hardware mods needed to make JTAG working. Hint: bridge! + needed info about Flash structure

HG/HS

1) Installing headers TODO: what needs to be bridged?

Terastation

TODO: add specific Info if additional hardware mods are needed. + needed info about Flash structure

Terastation Pro v1

TODO: add specific Info if additional hardware mods are needed. + needed info about Flash structure

Mipsel-based boxes

TODO: Add info about the JTAG cable that works on the + needed info about Flash structure

LS2

Arm-based boxes

Currently we do not know if there are JTAG-Ports anywhere on the board. Tampakuro is tries to find out the JTAG Port of the LS Pro.

LS Pro/LS Live (arm9)

TODO: info about Flash structure

Terastation Pro v2/Terastation Live (arm11)

TODO: info about Flash structure - ANYONE ALREADY HAS ONE?

Software

PPC-based-boxes

How to use the JTAG-Tools

TODO: we need to link + describe either how to compile the tools and how to use the precompiled tools from the download-section

LS2 (mipsel-based)

How to use HairyDairyMaids debrick

TODO: adding info about how to use it

TIPS

Flashing the bootloader only

Updating via JTAG is very slow. This is not really surprising as the JTAG protocol is a bit-level serial protocol. Writing the firmimg.bin file can easily take 24 hours or longer.

TODO: because we can flash the firmimg.bin much faster from UBoot

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