Custom 5282 board, similar to the Avnet 5282.
When I pass "console=ttyS0,115200n8" to my kernel (2.6, 8.8.8
distribution patched to 8.11.08), everything works happy.
If I try "console=ttyS1,115200n8", or even "console=ttyMTD1", then
the boot seems to fail or stall somewhere around where it starts init.
The last thing I see in the __log_buf (via BDM) is:
<6>TCP cubic registered
<6>NET: Registered protocol family 17
<6>RPC: Registered udp transport module.
<6>RPC: Registered tcp transport module.
<5>Sending DHCP requests ., OK
<4>IP-Config: Got DHCP answer from 10.18.1.36, my address is 10.18.12.4
<4>IP-Config: Complete:
<4> device=eth0, addr=10.18.12.4, mask=255.255.0.0, gw=10.18.1.36,
<4> host=BPD4, domain=dev-va.sdrcinc.local, nis-domain=(none),
<4> bootserver=10.18.1.36, rootserver=10.18.1.36, rootpath=/home/
cashwell/netboot/BPD
<5>Looking up port of RPC 100003/2 on 10.18.1.36
<5>Looking up port of RPC 100005/1 on 10.18.1.36
<4>VFS: Mounted root (nfs filesystem) readonly.
<5>Freeing unused kernel memory: 76k freed (0x1ba000 - 0x1cc000)
<4>Warning: unable to open an initial console.
Then I can't get anything much else out of the machine; no net, no
nothing. When I break in the debugger, I see we're in "default_idle",
so I don't think it's crashed, just not running what I expected it to
run.
There is a /dev/console in my root filesystem; if I boot using ttyS0
I don't get the "unable to open an initial console" message.
Note that I do not actually have a transceiver hooked to ttyS1 at
this point in time; I'm just trying to boot with it flapping in the
breeze, so we can use the serial port for an embedded application
without the console interfering.
I have the serial ports all set up by u-boot.
any idea?
-
allon
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