tree 3260dea4bfbe3be6b8d4e29b115d139c03e5ef4c
parent 8576f1a67a632ab07623b6cb0b95d3e8465b978a
author Ye Li <ye.li@nxp.com> 1649226608 +0800
committer Stefano Babic <sbabic@denx.de> 1649777636 +0200

imx: imx8ulp: Add M33 handshake functions

Add functions to check if M33 image is booted and handshake with M33
image via MU. A core notifies M33 to start init by FCR F0, then wait
M33 init done signal by checking FSR F0.

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>