Thanks for the above info, I've ordered the bitmain test fixture to get started but still plenty to learn.
Could I check if anyone can spot anything obvious here?
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 3.14.0-xilinx-ge8a2f71-dirty (lzq@armdev2) (gcc version 4.8.3 20140320 (prerelease) (Sourcery CodeBench Lite 2014.05-23) ) #82 SMP PREEMPT Tue May 16 19:49:53 CST 2017
[ 0.000000] CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=18c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] Machine model: Xilinx Zynq
[ 0.000000] cma: CMA: reserved 128 MiB at 16800000
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] On node 0 totalpages: 126976
[ 0.000000] free_area_init_node: node 0, pgdat c0740a40, node_mem_map debd8000
[ 0.000000] Normal zone: 992 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 126976 pages, LIFO batch:31
[ 0.000000] PERCPU: Embedded 8 pages/cpu @debc1000 s9088 r8192 d15488 u32768
[ 0.000000] pcpu-alloc: s9088 r8192 d15488 u32768 alloc=8*4096
[ 0.000000] pcpu-alloc: [0] 0 [0] 1
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 125984
[ 0.000000] Kernel command line: noinitrd mem=496M console=ttyPS0,115200 root=ubi0:rootfs ubi.mtd=1 rootfstype=ubifs rw rootwait
[ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Memory: 364356K/507904K available (5032K kernel code, 283K rwdata, 1916K rodata, 204K init, 258K bss, 143548K reserved, 0K highmem)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
[ 0.000000] vmalloc : 0xdf800000 - 0xff000000 ( 504 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xdf000000 ( 496 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0xc0008000 - 0xc06d1374 (6949 kB)
[ 0.000000] .init : 0xc06d2000 - 0xc0705380 ( 205 kB)
[ 0.000000] .data : 0xc0706000 - 0xc074cf78 ( 284 kB)
[ 0.000000] .bss : 0xc074cf84 - 0xc078d9fc ( 259 kB)
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] Dump stacks of tasks blocking RCU-preempt GP.
[ 0.000000] RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=2.
[ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] ps7-slcr mapped to df802000
[ 0.000000] zynq_clock_init: clkc starts at df802100
[ 0.000000] Zynq clock init
[ 0.000015] sched_clock: 64 bits at 333MHz, resolution 3ns, wraps every 3298534883328ns
[ 0.000311] ps7-ttc #0 at df804000, irq=43
[ 0.000621] Console: colour dummy device 80x30
[ 0.000652] Calibrating delay loop... 1325.46 BogoMIPS (lpj=6627328)
[ 0.040214] pid_max: default: 32768 minimum: 301
[ 0.040432] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.040454] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.042586] CPU: Testing write buffer coherency: ok
[ 0.042917] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.042977] Setting up static identity map for 0x4c4b00 - 0x4c4b58
[ 0.043201] L310 cache controller enabled
[ 0.043220] l2x0: 8 ways, CACHE_ID 0x410000c8, AUX_CTRL 0x72760000, Cache size: 512 kB
[ 0.121038] CPU1: Booted secondary processor
[ 0.210230] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[ 0.210364] Brought up 2 CPUs
[ 0.210384] SMP: Total of 2 processors activated.
[ 0.210392] CPU: All CPU(s) started in SVC mode.
[ 0.211066] devtmpfs: initialized
[ 0.213486] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
[ 0.214697] regulator-dummy: no parameters
[ 0.222343] NET: Registered protocol family 16
[ 0.224635] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.226924] cpuidle: using governor ladder
[ 0.226937] cpuidle: using governor menu
[ 0.234366] syscon f8000000.ps7-slcr: regmap [mem 0xf8000000-0xf8000fff] registered
[ 0.235889] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
[ 0.235903] hw-breakpoint: maximum watchpoint size is 4 bytes.
[ 0.236016] zynq-ocm f800c000.ps7-ocmc: ZYNQ OCM pool: 256 KiB @ 0xdf880000
[ 0.257826] bio: create slab <bio-0> at 0
[ 0.259247] vgaarb: loaded
[ 0.259955] SCSI subsystem initialized
[ 0.260927] usbcore: registered new interface driver usbfs
[ 0.261748] usbcore: registered new interface driver hub
[ 0.262002] usbcore: registered new device driver usb
[ 0.262528] media: Linux media interface: v0.10
[ 0.262686] Linux video capture interface: v2.00
[ 0.262926] pps_core: LinuxPPS API ver. 1 registered
[ 0.262938] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.263062] PTP clock support registered
[ 0.263420] EDAC MC: Ver: 3.0.0
[ 0.264454] Advanced Linux Sound Architecture Driver Initialized.
[ 0.267285] DMA-API: preallocated 4096 debug entries
[ 0.267299] DMA-API: debugging enabled by kernel config
[ 0.267371] Switched to clocksource arm_global_timer
[ 0.287463] NET: Registered protocol family 2
[ 0.288152] TCP established hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.288210] TCP bind hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.288295] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.288342] TCP: reno registered
[ 0.288358] UDP hash table entries: 256 (order: 1, 8192 bytes)
[ 0.288390] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
[ 0.288639] NET: Registered protocol family 1
[ 0.288948] RPC: Registered named UNIX socket transport module.
[ 0.288960] RPC: Registered udp transport module.
[ 0.288969] RPC: Registered tcp transport module.
[ 0.288977] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.288990] PCI: CLS 0 bytes, default 64
[ 0.289424] hw perfevents: enabled with ARMv7 Cortex-A9 PMU driver, 7 counters available
[ 0.291430] futex hash table entries: 512 (order: 3, 32768 bytes)
[ 0.293535] jffs2: version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
[ 0.293720] msgmni has been set to 967
[ 0.294505] io scheduler noop registered
[ 0.294519] io scheduler deadline registered
[ 0.294569] io scheduler cfq registered (default)
[ 0.307069] dma-pl330 f8003000.ps7-dma: Loaded driver for PL330 DMAC-2364208
[ 0.307089] dma-pl330 f8003000.ps7-dma: DBUFF-128x8bytes Num_Chans-8 Num_Peri-4 Num_Events-16
[ 0.429957] e0001000.serial: ttyPS0 at MMIO 0xe0001000 (irq = 82, base_baud = 3124999) is a xuartps
[ 0.998117] console [ttyPS0] enabled
[ 1.002373] xdevcfg f8007000.ps7-dev-cfg: ioremap 0xf8007000 to df866000
[ 1.010028] [drm] Initialized drm 1.1.0 20060810
[ 1.027112] brd: module loaded
[ 1.036485] loop: module loaded
[ 1.045980] e1000e: Intel(R) PRO/1000 Network Driver - 2.3.2-k
[ 1.051968] e1000e: Copyright(c) 1999 - 2013 Intel Corporation.
[ 1.059858] libphy: XEMACPS mii bus: probed
[ 1.064225] ------------- phy_id = 0x3625e62
[ 1.069191] xemacps e000b000.ps7-ethernet: pdev->id -1, baseaddr 0xe000b000, irq 54
[ 1.077878] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 1.084506] ehci-pci: EHCI PCI platform driver
[ 1.091754] zynq-dr e0002000.ps7-usb: Unable to init USB phy, missing?
[ 1.098582] usbcore: registered new interface driver usb-storage
[ 1.105413] mousedev: PS/2 mouse device common for all mice
[ 1.111546] i2c /dev entries driver
[ 1.118530] zynq-edac f8006000.ps7-ddrc: ecc not enabled
[ 1.124016] cpufreq_cpu0: failed to get cpu0 regulator: -19
[ 1.129977] Xilinx Zynq CpuIdle Driver started
[ 1.134816] sdhci: Secure Digital Host Controller Interface driver
[ 1.140938] sdhci: Copyright(c) Pierre Ossman
[ 1.145252] sdhci-pltfm: SDHCI platform and OF driver helper
[ 1.152090] mmc0: no vqmmc regulator found
[ 1.156105] mmc0: no vmmc regulator found
[ 1.197399] mmc0: SDHCI controller on e0100000.ps7-sdio [e0100000.ps7-sdio] using ADMA
[ 1.206100] usbcore: registered new interface driver usbhid
[ 1.211615] usbhid: USB HID core driver
[ 1.216330] nand: device found, Manufacturer ID: 0x2c, Chip ID: 0xda
[ 1.222632] nand: Micron MT29F2G08ABAEAWP
[ 1.226595] nand: 256MiB, SLC, page size: 2048, OOB size: 64
[ 1.232538] Bad block table found at page 131008, version 0x01
[ 1.238765] Bad block table found at page 130944, version 0x01
[ 1.244814] 3 ofpart partitions found on MTD device pl353-nand
[ 1.250595] Creating 3 MTD partitions on "pl353-nand":
[ 1.255685] 0x000000000000-0x000002000000 : "BOOT.bin-env-dts-kernel"
[ 1.263730] 0x000002000000-0x00000b000000 : "angstram-rootfs"
[ 1.271037] 0x00000b000000-0x000010000000 : "upgrade-rootfs"
[ 1.279976] TCP: cubic registered
[ 1.283207] NET: Registered protocol family 17
[ 1.287923] Registering SWP/SWPB emulation handler
[ 1.293808] regulator-dummy: disabling
[ 1.298150] UBI: attaching mtd1 to ubi0
[ 1.828154] UBI: scanning is finished
[ 1.839748] UBI: attached mtd1 (name "angstram-rootfs", size 144 MiB) to ubi0
[ 1.846798] UBI: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes
[ 1.853594] UBI: min./max. I/O unit sizes: 2048/2048, sub-page size 2048
[ 1.860271] UBI: VID header offset: 2048 (aligned 2048), data offset: 4096
[ 1.867108] UBI: good PEBs: 1152, bad PEBs: 0, corrupted PEBs: 0
[ 1.873119] UBI: user volume: 1, internal volumes: 1, max. volumes count: 128
[ 1.880229] UBI: max/mean erase counter: 181/89, WL threshold: 4096, image sequence number: 1475704269
[ 1.889520] UBI: available PEBs: 0, total reserved PEBs: 1152, PEBs reserved for bad PEB handling: 40
[ 1.898737] UBI: background thread "ubi_bgt0d" started, PID 1080
[ 1.898742] drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
[ 1.902618] ALSA device list:
[ 1.902622] No soundcards found.
[ 1.919104] UBIFS: background thread "ubifs_bgt0_0" started, PID 1082
[ 1.948435] UBIFS: recovery needed
[ 2.039648] UBIFS: recovery completed
[ 2.043320] UBIFS: mounted UBI device 0, volume 0, name "rootfs"
[ 2.049272] UBIFS: LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes
[ 2.058373] UBIFS: FS size: 127229952 bytes (121 MiB, 1002 LEBs), journal size 9023488 bytes (8 MiB, 72 LEBs)
[ 2.068261] UBIFS: reserved for root: 0 bytes (0 KiB)
[ 2.073290] UBIFS: media format: w4/r0 (latest is w4/r0), UUID 08A12660-0368-4954-9593-A75AE864DC1E, small LPT model
[ 2.084591] VFS: Mounted root (ubifs filesystem) on device 0:11.
[ 2.091563] devtmpfs: mounted
[ 2.094668] Freeing unused kernel memory: 204K (c06d2000 - c0705000)
[ 2.930282] random: dd urandom read with 0 bits of entropy available
[ 3.317387]
[ 3.317387] bcm54xx_config_init
[ 3.927414]
[ 3.927414] bcm54xx_config_init
[ 6.928248] xemacps e000b000.ps7-ethernet: Set clk to 24999999 Hz
[ 6.934336] xemacps e000b000.ps7-ethernet: link up (100/FULL)
[ 19.998412] In axi fpga driver!
[ 20.001484] request_mem_region OK!
[ 20.004876] AXI fpga dev virtual address is 0xdf9fc000
[ 20.010009] *base_vir_addr = 0x8c510
[ 20.024912] In fpga mem driver!
[ 20.028258] request_mem_region OK!
[ 20.031768] fpga mem virtual address is 0xe2000000
[ 20.796810]
[ 20.796810] bcm54xx_config_init
[ 21.426717]
[ 21.426717] bcm54xx_config_init
[ 24.427289] xemacps e000b000.ps7-ethernet: Set clk to 24999999 Hz
[ 24.433305] xemacps e000b000.ps7-ethernet: link up (100/FULL)
[ 284.802300] random: nonblocking pool is initialized
Detect 512MB control board of XILINX
Miner Type = S9
set_reset_allhashboard = 0x0000ffff
set_reset_allhashboard = 0x00000000
set_reset_allhashboard = 0x0000ffff
set_reset_allhashboard = 0x0000ffff
Check chain[5] PIC fw version=0x03
Check chain[6] PIC fw version=0x03
Check chain[7] PIC fw version=0x03
Fix freq=550 Chain[5] voltage_pic=125 value=870
Fix freq=550 Chain[6] voltage_pic=125 value=870
Fix freq=550 Chain[7] voltage_pic=125 value=870
set_reset_allhashboard = 0x0000ffff
set_reset_allhashboard = 0x00000000
Chain[J6] has 0 asic
set_reset_hashboard = 0x00000020
set_reset_hashboard = 0x00000000
retry Chain[J6] has 0 asic
set_reset_hashboard = 0x00000020
set_reset_hashboard = 0x00000000
retry Chain[J6] has 0 asic
set_reset_hashboard = 0x00000020
set_reset_hashboard = 0x00000000
retry Chain[J6] has 0 asic
set_reset_hashboard = 0x00000020
set_reset_hashboard = 0x00000000
retry Chain[J6] has 0 asic
set_reset_hashboard = 0x00000020
set_reset_hashboard = 0x00000000
retry Chain[J6] has 0 asic
set_reset_hashboard = 0x00000020
set_reset_hashboard = 0x00000000
retry Chain[J6] has 0 asic
Chain[J7] has 0 asic
set_reset_hashboard = 0x00000040
set_reset_hashboard = 0x00000000
retry Chain[J7] has 0 asic
set_reset_hashboard = 0x00000040
set_reset_hashboard = 0x00000000
retry Chain[J7] has 0 asic
set_reset_hashboard = 0x00000040
set_reset_hashboard = 0x00000000
retry Chain[J7] has 0 asic
set_reset_hashboard = 0x00000040
set_reset_hashboard = 0x00000000
retry Chain[J7] has 0 asic
set_reset_hashboard = 0x00000040
set_reset_hashboard = 0x00000000
retry Chain[J7] has 0 asic
set_reset_hashboard = 0x00000040
set_reset_hashboard = 0x00000000
retry Chain[J7] has 0 asic
Chain[J8] has 0 asic
set_reset_hashboard = 0x00000080
set_reset_hashboard = 0x00000000
retry Chain[J8] has 0 asic
set_reset_hashboard = 0x00000080
set_reset_hashboard = 0x00000000
retry Chain[J8] has 0 asic
set_reset_hashboard = 0x00000080
set_reset_hashboard = 0x00000000
retry Chain[J8] has 0 asic
set_reset_hashboard = 0x00000080
set_reset_hashboard = 0x00000000
retry Chain[J8] has 0 asic
set_reset_hashboard = 0x00000080
set_reset_hashboard = 0x00000000
retry Chain[J8] has 0 asic
set_reset_hashboard = 0x00000080
set_reset_hashboard = 0x00000000
retry Chain[J8] has 0 asic
miner total rate=0GH/s fixed rate=0GH/s
Miner fix freq ...
max freq = 100
set baud=16
setStartTimePoint total_tv_start_sys=131 total_tv_end_sys=132
restartNum = 2 , auto-reinit enabled...
do read_temp_func once...
do check_asic_reg 0x08
Done check_asic_reg
set FAN speed according to: temp_highest=0 temp_top1[PWM_T]=0 temp_top1[TEMP_POS_LOCAL]=0 temp_change=0 fix_fan_steps=0
MAX_FAN_TEMP is 90, temp_highest is 0, PWM_T is 1, TEMP_POS_LOCAL is 0
set full FAN speed...
FAN PWM: 100
read_temp_func Done!
CRC error counter=1