[uClinux-dev] bdm driver installation failing

Jeff Carr jeff.carr at eng.nciaccess.com
Wed Mar 12 19:46:53 EST 2003


Strange... Good luck with it, I'd try a different model BDM if you have
one. I use a P&E's rev F.
Jeff

On Wed, 2003-03-12 at 17:57, Justin Clacherty wrote:
> I've already done this.  Originally I was having a problem where the
> driver would report that the /dev/bdmcf0 resource is busy, this was
> because the install of linux I am running had lp, parport, adn
> parport_pc running (still does from boot).  I do the rmmod after I boot
> up (haven't got around to finding out how to get it to never load).
> 
> I know it isn't a hardware issue as I tested debugging under W2K using
> the Metrowerks tools.  The interesting thing is that when I connect the
> debugger under linux, the leds on the board seem to flicker, this does
> not happen under windows, it is as though something is writing to the
> parallel port (presumably resetting the board continuously).
> 
> Justin.
> 
> On Thu, 2003-03-13 at 02:04, Jeff Carr wrote:
> > Try loading and unloading the parport and lp modules before you load the
> > bdm one. 
> > 
> > insmod parport
> > insmod lp
> > rmmod lp
> > rmmod parport_pc
> > rmmod parport
> > insmod bdm
> > 
> > Goodluck,
> > Jeff
> > 
> > On Tue, 2003-03-11 at 00:19, Justin Clacherty wrote:
> > > Hi,
> > > 
> > > I'm trying to set up debugging through the bdm in gdb.  I've installed
> > > the bdm driver but when I run chk /dev/bdmcf0 the driver seems to be
> > > failing to connect to the target.  I turned on debugging and it looks
> > > like it is failing when it tries to read a register on the target. 
> > > Below is the command I am using and its output, along with the
> > relevant
> > > output in /var/log/messages.  I'm using the P&E Micro wiggler that
> > came
> > > with our Motorola M5272C3 development board.  Does anyone know what I
> > > might be doing wrong?
> > > 
> > > The commands I'm using with the output...
> > > 
> > > [justin at rhianna test]$ ./chk -d 4 /dev/bdmcf0
> > > Driver Ver : 2.a
> > > Processor  : Coldfire
> > > Interface  : P&E Coldfire
> > > Reading CSR failed: Invalid target command
> > > [justin at rhianna test]$
> > > 
> > > /var/log/messages
> > > 
> > > Mar 11 15:57:32 rhianna kernel:  cf_pe_read_sysreg - Reg:0xf failed
> > with
> > > cmd 0x2d80, err = 217
> > > Mar 11 15:57:32 rhianna kernel: debugFlag now 4
> > > Mar 11 15:57:32 rhianna kernel: BDMioctl cmd:0x8004421e
> > > Mar 11 15:57:32 rhianna kernel: BDMioctl cmd:0x8004421f
> > > Mar 11 15:57:32 rhianna kernel: BDMioctl cmd:0x80044220
> > > Mar 11 15:57:32 rhianna kernel: BDMioctl cmd:0x4201
> > > Mar 11 15:57:32 rhianna kernel:  cf_pe_reset_chip
> > > Mar 11 15:57:33 rhianna kernel: BDMioctl cmd:0xc0084215
> > > Mar 11 15:57:33 rhianna kernel:  cf_pe_get_direct_status --
> > Status:0x0,
> > > sr:0x7e
> > > Mar 11 15:57:33 rhianna kernel:  cf_pe_serial_clock -- send 0x2d80 
> > > receive 0x1ffff
> > > Mar 11 15:57:33 rhianna kernel:  cf_pe_serial_clock -- failure NVC,
> > send
> > > 0x2d80 receive 0x1ffff
> > > Mar 11 15:57:33 rhianna kernel:  cf_pe_read_sysreg - Reg:0xf failed
> > with
> > > cmd 0x2d80, err = 217
> > > Mar 11 15:57:33 rhianna kernel: BDMioctl cmd:0x40044207
> > > Mar 11 15:57:33 rhianna kernel: debugFlag now 0
> > > 
> > > 
> > > Regards,
> > > Justin.
> > > 
> > > 
> > > _______________________________________________
> > > uClinux-dev mailing list
> > > uClinux-dev at uclinux.org
> > > http://mailman.uclinux.org/mailman/listinfo/uclinux-dev
> > > This message was resent by uclinux-dev at uclinux.org
> > > 
> 
> 
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