[yocto] Unable to get login prompt for Xilinx ML507 PowerPC440 target development board

[Elvis Dowson]

Hi,
      I have progressed somewhat further with getting Yocto to build a kernel image and rootfilesystem for the Xilinx ML507 PowerPC440 target development board.

For some reason, I'm unable to get a login prompt. The serial console device is ttyUL0. If someone could help me figure out what's going wrong, it would be great. I have checked /etc/securetty and it does contain an entry for ttyUL0.

Here is the output of the linux boot process:

Using Xilinx Virtex440 machine description                      
Linux version 2.6.38+ (elvis at eos) (gcc version 4.7.2 20120706 (prerelease) (GCC) ) #13 PREEMPT Mon Ju2
Zone PFN ranges:                                                
  DMA      0x00000000 -> 0x00010000
  Normal   empty
Movable zone start PFN for each node
early_node_map[1] active PFN ranges
    0: 0x00000000 -> 0x00010000
MMU: Allocated 1088 bytes of context maps for 255 contexts
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 65024
Kernel command line: console=ttyUL0 root=/dev/xsa2 rw rootfstype=ext3
PID hash table entries: 1024 (order: 0, 4096 bytes)
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Memory: 254716k/262144k available (3788k kernel code, 7428k reserved, 132k data, 1146k bss, 168k init)
Kernel virtual memory layout:
  * 0xfffdf000..0xfffff000  : fixmap
  * 0xfde00000..0xfe000000  : consistent mem
  * 0xfde00000..0xfde00000  : early ioremap
  * 0xd1000000..0xfde00000  : vmalloc & ioremap
Preemptable hierarchical RCU implementation.
        RCU-based detection of stalled CPUs is disabled.
        Verbose stalled-CPUs detection is disabled.
NR_IRQS:512 nr_irqs:512 16
clocksource: timebase mult[a00000] shift[22] registered
Console: colour dummy device 80x25
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
devtmpfs: initialized
NET: Registered protocol family 16
PCI: Probing PCI hardware
bio: create slab <bio-0> at 0
XGpio: /plb at 0/gpio at 81460000: registered
XGpio: /plb at 0/gpio at 81440000: registered
XGpio: /plb at 0/gpio at 81420000: registered
XGpio: /plb at 0/gpio at 81400000: registered
vgaarb: loaded
Switching to clocksource timebase
NET: Registered protocol family 2
IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
TCP established hash table entries: 8192 (order: 4, 65536 bytes)
TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
TCP reno registered
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
ROMFS MTD (C) 2007 Red Hat, Inc.
JFS: nTxBlock = 1997, nTxLock = 15983
msgmni has been set to 499
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254)
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
Console: switching to colour frame buffer device 80x30
Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
84000000.serial: ttyUL0 at MMIO 0x84000000 (irq = 20) is a uartlite
console [ttyUL0] enabled
brd: module loaded
loop: module loaded
of:xsysace 83600000.sysace: Xilinx SystemACE revision 1.0.12
of:xsysace 83600000.sysace: capacity: 3915072 sectors
 xsa: xsa1 xsa2
Xilinx SystemACE device driver, major=254
8c000000.flash: Found 1 x16 devices at 0x0 in 16-bit bank. Manufacturer ID 0x000089 Chip ID 0x008919
Intel/Sharp Extended Query Table at 0x010A
Intel/Sharp Extended Query Table at 0x010A
Intel/Sharp Extended Query Table at 0x010A
Intel/Sharp Extended Query Table at 0x010A
Intel/Sharp Extended Query Table at 0x010A
Using buffer write method
Using auto-unlock on power-up/resume
cfi_cmdset_0001: Erase suspend on write enabled
RedBoot partition parsing not available
of:xilinx_emaclite 81000000.ethernet: Device Tree Probing
Xilinx Emaclite MDIO: probed
of:xilinx_emaclite 81000000.ethernet: MAC address is now 00:0a:35:01:a5:00
of:xilinx_emaclite 81000000.ethernet: Xilinx EmacLite at 0x81000000 mapped to 0xD11C0000, irq=17
of:xilinx_ps2 81480000.ps2: Device Tree Probing 'ps2'
of:xilinx_ps2 81480000.ps2: Xilinx PS2 at 0x81480000 mapped to 0xd103e000, irq=22
of:xilinx_ps2 81481000.ps2: Device Tree Probing 'ps2'
of:xilinx_ps2 81481000.ps2: Xilinx PS2 at 0x81481000 mapped to 0xd1052000, irq=23
mousedev: PS/2 mouse device common for all mice
TCP cubic registered
NET: Registered protocol family 17
atkbd serio0: keyboard reset failed on xilinxps2/serio at 81480000
EXT3-fs: barriers not enabled
kjournald starting.  Commit interval 5 seconds
EXT3-fs (xsa2): using internal journal
EXT3-fs (xsa2): mounted filesystem with writeback data mode
VFS: Mounted root (ext3 filesystem) on device 254:2.
devtmpfs: mounted
Freeing unused kernel memory: 168k init
input: AT Raw Set 2 keyboard as /devices/plb.0/xps-ps2.1/81481000.ps2/serio1/input/input0

Best regards,

Elvis Dowson
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