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[Xen-devel] Help on getting serial output on the arndale board


  • To: xen-devel@xxxxxxxxxxxxx
  • From: Birin Sanchez <birintxo@xxxxxxxxx>
  • Date: Tue, 18 Jun 2013 05:39:54 +0200
  • Delivery-date: Tue, 18 Jun 2013 03:40:31 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>

Hi,

Now that the Arndale board is supported in upstream Xen I don't get any output on the serial console. I followed the instructions on the wiki with no luck:

The xen repository I'm using is:

git://xenbits.xen.org/xen.git

last commit: 61c6dfce3296da2643c4c4f90eaab6fa3c1cf8b3

The linux repository is:

git://xenbits.xen.org/people/julieng/linux-arm.git

last commit: 3f35c6f2b805901fbde2ce7553478a8cd4249a33

The linux-domU repository is the same but branch arndale-domU-3.9:

git://xenbits.xen.org/people/julieng/linux-arm.git

last commit: 510c35298dfbb6ccb0d883cb34a27eff2f291cea

I tried to add 'CONFIG_EARLY_PRINTK = exynos5250' and 'debug=y' in .config file and in Config.mk but still no output.

This is all I get:

U-Boot 2012.10-rc1-g0faa5ad-dirty (May 01 2013 - 23:42:46) for ARNDALE5250

CPU:    Exynos5250@1000MHz

Board:  for ARNDALE5250
I2C:   ready
DRAM:  2 GiB
WARNING: Caches not enabled

Checking Boot Mode ... SDMMC
MMC:   EXYNOS DWMMC: 0, EXYNOS DWMMC: 1, EXYNOS DWMMC: 2
SATA: AHCI 0001.0300 32 slots 1 ports ? Gbps 0x1 impl SATA mode
flags: ncq stag pm led clo only pmp pio slum part
No port device detected!
In:    serial
Out:   serial
Err:   serial
(Re)start USB...
USB:   Register 1313 NbrPorts 3
USB EHCI 1.00
scanning bus for devices... 4 USB Device(s) found
       scanning bus for storage devices... 0 Storage Device(s) found
       scanning bus for ethernet devices... 1 Ethernet Device(s) found
Hit any key to stop autoboot:  0
Waiting for Ethernet connection... done.
Using asx0 device
TFTP from server 192.168.1.10; our IP address is 192.168.1.2
Filename '/linux-zImage'.
Load address: 0x60000000
Loading: #################################################################
#################################################################
         #############
done
Bytes transferred = 2086904 (1fd7f8 hex)
Waiting for Ethernet connection... done.
Using asx0 device
TFTP from server 192.168.1.10; our IP address is 192.168.1.2
Filename '/xen-uImage'.
Load address: 0x50000000
Loading: ############################################################
done
Bytes transferred = 867400 (d3c48 hex)
## Booting kernel from Legacy Image at 50000000 ...
   Image Name:
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    867336 Bytes = 847 KiB
   Load Address: 80200000
   Entry Point:  80200000
   Verifying Checksum ... OK
   Loading Kernel Image ... OK
OK

Startingggggggggggggggg- UART enabled -
- CPU 00000000 booting -
- Started in Hyp mode -
- Zero BSS -
- Setting up control registers -
- Turning on paging -
- Ready -
RAM: 0000000040000000 - 00000000bfffffff

MODULE[1]: 0000000060000000 - 0000000060400000
Placing Xen at 0x00000000bfe00000-0x00000000c0000000
Xen heap: 262144 pages  Dom heap: 262144 pages
- CPU 00000001 booting -
- Started in Secure state -
- Entering Hyp mode -
- Setting up control registers -
- Turning on paging -
- Ready -


What am I missing?

Cheers,

Birin



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