Re: Writing to UART mapped memory address

On 06/26/2017 06:55 PM, rijurekha@...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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