2015 Tahoe won’t turn over and dash is dead

Was jumping another vehicle and stupidly put
the negative clamp of the jumper on the post
that goes down to the starter. Now my Tahoe
will not turn over and the dash is dead. In the
on position in the front headlight comes on
and the dome lights and will still charge my
phone through the port in the center consul.
And when I hit the key fob the passenger side
running light will flash