When I try connecting sam-ba with my AT91SAM9M10-G45-EK I get:

-I- Waiting ...
-I- TCL platform : Linux
-I- SAM-BA CDC 2.10 on : linux
-I- Connection : /dev/ttyUSB0 (target(comType) = 3)
-I- Board : at91sam9m10-g45-ek
-I- Traces Level : 4
-I- target(handle) : file5
Read device Chip ID at 0xfffff240 --- get 0x00000000
Read device Chip ID at 0xffffee40 --- get 0x819b05a2
-I- Found processor : at91sam9m10 (Chip ID : 0x819b05a2)
-I- External RAM Settings : extRamVdd=0, extRamType=1, extRamDataBusWidth=16, extDDRamModel=1
-I- Loading applet isp-extram-at91sam9m10.bin at address 0x300000

There it hangs forever.

The board itself seems to be working fine (linux demo is functional), so I assume that DDR is basically ok.

On http://www.at91.com/linux4sam/bin/view/ ... twareTools I found:

"
From Linux 2.6.32 on the host side, the Linux CDC driver cannot handle communication with the SAM-BA boot assistant. Here is the discussion on the subject: SAM-BA gets stuck while transiting binary files.

To solve the issue a new driver has been introduced in Linux 2.6.37 called "sam-ba": USB: sam-ba: add driver for Atmel SAM Boot Assistant (SAM-BA). In this case, the following procedure will not apply.
"

Loading the sam-ba module fixes the issue.