Writing to UART mapped memory address

[Stefan Kalkowski]

On 06/26/2017 06:55 PM, rijurekha at ...71... wrote:
> In base-hw/src/core/include/spec/imx53/trustzone/csu.h, SECURE   = 0x33.
> 
> So SECURE_UART  = 1 in
> base-hw/src/core/include/spec/imx53_qsb/trustzone/csu_config.h should
> initialize UART as RD+WR for secure user and spvr models as given in Page
> 956 of http://www.nxp.com/docs/en/reference-manual/iMX53RM.pdf.
> 
> tz_vmm is in the secure user mode, sho it should be able to read an UART
> address?

correct.

> 
> Thanks!
> Riju
> 
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-- 
Stefan Kalkowski
Genode Labs

https://github.com/skalk · http://genode.org/