serial hasn't output information

Discussion created by Blackrose on Aug 1, 2012

Dear all:

      I have a imx535 board.I try to compile kernel and run on the board.I use kernel's version is that has been patched.Now, i putting kernel to SD card, and serial can not  output message.

Here is some information:

MXC GPIO hardware
MXC IRQ initialized
MXC_Early serial console at MMIO 0x53fbc000 (options '115200')
bootconsole [ttymxc0] enabled
Console: colour dummy device 80x30


Bluetooth: BNEP filters: protocol multicast
Bluetooth: HIDP (Human Interface Emulation) ver 1.2
VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 2
turn off boot console ttymxc0


The serial stop here.Could you help me to resole this problem?