[OpenWrt-Devel] [lantiq] general help on AR10 platform

[Enrico Mioso]

Hello guys,
Hello Hauke,

Sorry for the amount of mails.

So in I patched the kernel to be more specific on PMU error messages, since it seems something is fundamentally wrong here:
the system panics like

[    0.000000] SoC: xRX300 rev 1.2
[    0.000000] bootconsole [early0] enabled
[    0.000000] CPU0 revision is: 00019556 (MIPS 34Kc)
[    0.000000] MIPS: machine is AVM FRITZ!Box 3272
[    0.000000] Determined physical RAM map:
[    0.000000]  memory: 08000000 @ 00000000 (usable)
[    0.000000] Initrd not found or empty - disabling initrd
[    0.000000] Detected 1 available secondary CPU(s)
[    0.000000] Primary instruction cache 32kB, VIPT, 4-way, linesize 32 bytes.
[    0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
[    0.000000] Zone ranges:
[    0.000000]   Normal   [mem 0x0000000000000000-0x0000000007ffffff]
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000000000000-0x0000000007ffffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000007ffffff]
[    0.000000] random: get_random_bytes called from start_kernel+0x98/0x4dc with crng_init=0
[    0.000000] percpu: Embedded 14 pages/cpu s26256 r8192 d22896 u57344
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 32480
[    0.000000] Kernel command line: 
[    0.000000] Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
[    0.000000] Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
[    0.000000] Writing ErrCtl register=00050000
[    0.000000] Readback ErrCtl register=00050000
[    0.000000] Memory: 119048K/131072K available (5210K kernel code, 241K rwdata, 1524K rodata, 3376K init, 232K bss, 12024K reserved, 0K cma-reserved)
[    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[    0.000000] rcu: Hierarchical RCU implementation.
[    0.000000] NR_IRQS: 256
[    0.000000] deactivating PMU module 0 (clock gate) failed!
[    0.000000] deactivating PMU module 0 (clock gate) failed!
[    0.000000] deactivating PMU module 0 (clock gate) failed!
[    0.000000] deactivating PMU module 0 (clock gate) failed!
[    0.000000] deactivating PMU module 0 (clock gate) failed!
[    0.000000] deactivating PMU module 0 (clock gate) failed!
[    0.000000] CPU Clock: 333MHz
[    0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 11467562725 ns
[    0.000018] sched_clock: 32 bits at 166MHz, resolution 6ns, wraps every 12884901885ns
[    0.012011] Calibrating delay loop... 221.18 BogoMIPS (lpj=442368)
[    0.061193] pid_max: default: 32768 minimum: 301
[    0.068648] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.078418] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.094717] rcu: Hierarchical SRCU implementation.
[    0.107625] smp: Bringing up secondary CPUs ...
[    0.116227] Primary instruction cache 32kB, VIPT, 4-way, linesize 32 bytes.
[    0.116249] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
[    0.116461] CPU1 revision is: 00019556 (MIPS 34Kc)
[    0.154663] Synchronize counters for CPU 1: done.
[    0.191216] smp: Brought up 1 node, 2 CPUs
[    0.202371] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[    0.216869] futex hash table entries: 512 (order: 2, 16384 bytes)
[    0.226527] pinctrl core: initialized pinctrl subsystem
[    0.237723] NET: Registered protocol family 16
[    0.265485] dcdc-xrx200 1f106a00.dcdc: Core Voltage : 2040 mV
[    0.284748] pinctrl-xway 1e100b10.pinmux: Init done
[    0.393384] Kernel panic - not syncing: activating PMU module 0 (clock gate) failed!
[    0.404809] Rebooting in 1 seconds..
[    2.865738] Reboot failed -- System halted

Secondly, I am encountering some issues in
int __init lq_gptu_init(void)
... 
infact vendor firmware is not using
as I get a data abort at line 798 which reads:
timer_dev.number_of_timers = GPTU_ID_CFG * 2;

and looking at the vendor firmware, they do something like
timer_dev.number_of_timers = 3 * 2;

Where may I check for wrong things?
Thanks!!

Enrico