Hi Martin, thank you so much! it works for me.
Now I just need to use the sd_card driver with Genode trustzone feature
(hw_imx53_qsb_tz). I tried to incorporate sd_card driver with tz_vmm run
script and make run/tz_vmm. I get the following log messages and it gets
stuck. it doesn't even run tz_vmm application. I appreciate if you can give
me some hints to fix this.
kernel initialized
Genode 15.08
int main(): create local services
int main(): start init
int main(): transferred 248 MB to init
int main(): init created, waiting for exit condition
[init -> sd_card_drv] Could not open ROM session for module "config
[init -> sd_card_drv] Could not obtain config file
[init -> sd_card_drv] no VFS configured
[init -> sd_card_drv] --- Imx53 SD card driver ---
thanks,
On Wed, Nov 11, 2015 at 3:03 PM, Martin Stein <martin.st...@genode-labs.com>
wrote:
> Hey Joseph,
>
> Am 11.11.2015 um 00:53 schrieb Joseph Lee:
> > Can anyone please tell me something about 'Completion host signal timed
> out' error message?
>
> You get this message because the SDHC driver timed out when waiting for
> the host state that signals that both the command and the transfer of a
> multi-block access completed. In short, either one of the bits
> "transfer-complete"/"command-complete" is missing or an unexpected IRQ
> (e.g. an error) was raised. This may be a bug in the driver. To make
> sure which is the case, could you please replace
>
> if (!wait_for<Irqstat>(irq_goal, _delayer)) {
> PERR("Completion host signal timed out");
>
> in [1] with
>
> if (!wait_for<Irqstat>(irq_goal, _delayer, 3000)) {
> PERR("Completion host signal timed out %x", read<Irqstat>());
>
> and post the new log (I also raised the time out, just in case that the
> operation simple takes longer in your case).
>
> Could you please also send me your custom sd_card.run file to enable me
> to reproduce your scenario (assuming you modified nothing else)?
>
> Cheers,
> Martin
>
> [2] repos/os/src/drivers/sd_card/spec/imx53/esdhcv2.cc: line 116
>
>
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