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Is Juno soc_uart1 only available in secure state ?

I've been trying to use the soc_uart1 on the Juno board the same way as soc_uart0, but there seems to be a problem with this.

Some files in 'arm-trusted-firmware' hint that the uart1 is only available in the secure world. Can I change this and use it as a non-secure uart ?

Thanks,

Stefan