uboot cannot access address 0xffc00000 in DDR

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uboot cannot access address 0xffc00000 in DDR

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jiankang
Contributor III

hello,

I'm working with imx8qm product.

when calling to  TEE functions in uboot stage.

uboot crash after try to access address 0xffc00000 in DDR, this is the shared memory region between secure os and nonsecure.

issue occurs with uboot code baseline: lf_2021.04

and previously we use uboot of version imx_v2018.03_4.14.98_2.3.0, it is OK.

it seems memory 0xffc00000~ 0xffffffff is marked as secure(only accessable by TEE)

please help to check how can I correct the memory type in region: 0xffc00000~ 0xffffffff ?

thanks.

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