https://github.com/jeanthom/pp5002-jtag

Messing around with JTAG on a PortalPlayer PP5002 PMP
https://github.com/jeanthom/pp5002-jtag

Last synced: about 1 month ago
JSON representation

Messing around with JTAG on a PortalPlayer PP5002 PMP

• Host: GitHub
• URL: https://github.com/jeanthom/pp5002-jtag
• Owner: jeanthom
• Created: 2022-11-07T07:33:25.000Z (about 2 years ago)
• Default Branch: master
• Last Pushed: 2024-05-12T14:45:37.000Z (7 months ago)
• Last Synced: 2024-05-12T15:47:00.295Z (7 months ago)
• Language: Tcl
• Size: 345 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

README

        
# PortalPlayer PP5002 JTAG

![JTAG setup showing an Olimex development board and a modified Philips HDD100 PMP](header.jpg)

## JTAG pinout of a Philips HDD100

![Philips HDD100 debug connector](hdd100-dbg-con.jpg)

| Pin no            | 8   | 7     | 6     | 5     | 4     | 3     | 2     | 1     |

|-------------------|-----|-------|-------|-------|-------|-------|-------|-------|

| Assignment        | GND | TCK   | TDO   | TDI   | TMS   | TRST  | RTCK  | 3V3   |

| Measured voltage  | 0V  | 3.32V | 0.02V | 3.33V | 3.33V | 3.33V | 3.33V | 3.33V |

| Resistance to 3V3 | OL  | 9.8k  | OL    | 9.9k  | 9.9k  | 9.9k  | 62R   | 0R    |

| Resistance to GND | 0R  | OL    | 8.8M  | OL    | OL    | OL    | OL    | OL    |

## UrJTAG identification

```

IR length: 8

Chain length: 2

Device Id: 00101111000111110000111100001111 (0x2F1F0F0F)

  Unknown manufacturer! (11110000111) (/usr/share/urjtag/MANUFACTURERS)

Device Id: 00101111000111110000111100001111 (0x2F1F0F0F)

  Unknown manufacturer! (11110000111) (/usr/share/urjtag/MANUFACTURERS)

```

## OpenOCD identification

Using [a custom OpenOCD script](openocd.tcl):

```

Open On-Chip Debugger 0.11.0+dev-00883-gec03ac6b5 (2022-11-05-14:09)

Licensed under GNU GPL v2

For bug reports, read

	http://openocd.org/doc/doxygen/bugs.html

Info : only one transport option; autoselect 'jtag'

Warn : Transport "jtag" was already selected

pp5002.cop

Info : Listening on port 6666 for tcl connections

Info : Listening on port 4444 for telnet connections

Info : clock speed 1000 kHz

Info : JTAG tap: pp5002.cpu tap/device found: 0x2f1f0f0f (mfg: 0x787 (), part: 0xf1f0, ver: 0x2)

Info : JTAG tap: pp5002.cop tap/device found: 0x2f1f0f0f (mfg: 0x787 (), part: 0xf1f0, ver: 0x2)

Info : Embedded ICE version 1

Info : pp5002.cpu: hardware has 2 breakpoint/watchpoint units

Info : Embedded ICE version 1

Info : pp5002.cop: hardware has 2 breakpoint/watchpoint units

Info : starting gdb server for pp5002.cpu on 3333

Info : Listening on port 3333 for gdb connections

Info : starting gdb server for pp5002.cop on 3334

Info : Listening on port 3334 for gdb connections

```