| Start |
| Beruf |
| Projekte |
| QtIAX eng |
| DeStar eng |
| Patcher eng |
| PXA Tools eng |
| Ramses eng |
| Linux on PXA CPUs eng |
| Alte Projekte deu |
PXA Tools
In order to develop the Ramses I had to create a bunch of tools, mostly to decode PXA 2x0 related things.pxaregs
The PXA250 cpu has many function units, controlled via memory mapped registers (there is nothing like the ports of the x86 architecture). With pxaregs you can display, decode and set any PXA 250 periphery register.I will create it's own web page sometimes later.
PXA 2x0 register decode programs
Some of the PXA registers, e.g. to setup the GPIOs, the Memory etc are not that easy to decode into a human readable for, especially when Linux does not yet run on it and one cannot use pxaregs. A couple of perl scripts help:- Decode System Unit (GPIO registers): decodeSU
- Decode LCD Controller: decodeLCCR
- Decode Memory Controller: decodeMC
BDI 2000 remote control
The BDI 2000 is a JTAG device that you can control via Telnet ... and via the GDB remote debugging protocol. I used this protocol and some python code to add functions like memory dump, read flash, set flash etc. Here are the programs:- gdb protocol adapter bdi.py
- flasher burner.py
- read out old flash contents getimage.py
- (almost) the same as pxaregs, but via JTAG pxadump.py
Port toggle utility
While sorting out chip select issues it can be helpful to be able to toggle some bits. This kernel module does exactly this. You probably cannot use it as is, but adaptions are not that difficult.
