[GIT PULL] DEBUG_LL platform updates for 3.2

[Will Deacon]

Hi Rob,

On Fri, Oct 21, 2011 at 03:48:24PM +0100, Rob Herring wrote:
> On 10/21/2011 05:59 AM, Will Deacon wrote:
> > 2. The GIC is hosed on versatile express. Reverting e3f14d3 ("ARM: gic: add
> >    OF based initialization") and 2071a2a4 ("ARM: gic: add irq_domain support")
> >    allows me to boot again.
> > 
> 
> I'll take a look at it today. Do you have more details or a boot log?

I'm afraid I'm frantically trying to get things sorted for Prague, so I haven't
had a chance to dig further on this. Here's the boot log:

Uncompressing Linux... done, booting the kernel.
[    0.000000] Booting Linux on physical CPU 0
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 3.1.0-rc9+ (will at mudshark) (gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-8ubuntu3) ) #2 SMP PREEMPT Fri Oct 21 10:55:23 BST 2011
[    0.000000] CPU: ARMv7 Processor [410fc091] revision 1 (ARMv7), cr=10c5387f
[    0.000000] CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] Machine: ARM-Versatile Express
[    0.000000] bootconsole [earlycon0] enabled
[    0.000000] Memory policy: ECC disabled, Data cache writealloc
[    0.000000] On node 0 totalpages: 262144
[    0.000000] free_area_init_node: node 0, pgdat c04035e0, node_mem_map c0421000
[    0.000000]   Normal zone: 1728 pages used for memmap
[    0.000000]   Normal zone: 0 pages reserved
[    0.000000]   Normal zone: 194880 pages, LIFO batch:31
[    0.000000]   HighMem zone: 576 pages used for memmap
[    0.000000]   HighMem zone: 64960 pages, LIFO batch:15
[    0.000000] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 178956ms
[    0.000000] PERCPU: Embedded 7 pages/cpu @c0d29000 s5664 r8192 d14816 u32768
[    0.000000] pcpu-alloc: s5664 r8192 d14816 u32768 alloc=8*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 259840
[    0.000000] Kernel command line: root=/dev/nfs ip=dhcp console=ttyAMA0 nfsroot=10.1.79.58:/exports/linaro-11.09,tcp rw debug user_debug=31 earlyprintk mem=1G
[    0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] Memory: 1024MB = 1024MB total
[    0.000000] Memory: 1034180k/1034180k available, 14396k reserved, 262144K highmem
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
[    0.000000]     vmalloc : 0xf0800000 - 0xf8000000   ( 120 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xf0000000   ( 768 MB)
[    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
[    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
[    0.000000]       .text : 0xc0008000 - 0xc03c2250   (3817 kB)
[    0.000000]       .init : 0xc03c3000 - 0xc03e7620   ( 146 kB)
[    0.000000]       .data : 0xc03e8000 - 0xc04040e0   ( 113 kB)
[    0.000000]        .bss : 0xc0404104 - 0xc04205f4   ( 114 kB)
[    0.000000] SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[    0.000000] Preemptible hierarchical RCU implementation.
[    0.000000] NR_IRQS:128 nr_irqs:128 128
[    0.000000] Console: colour dummy device 80x30
[    0.697227] Calibrating delay loop...

<hangs forever>

It doesn't seem to be affected by CONFIG_OF, so that rules out one of the
patches that I reverted.

Will