LaCie NAS wiki

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====== LaCie 2big NAS ======

===== Revision =====

^PCB|2Big-NAS-V2R|
^:::|1108 150 Rev B2|
^PLD|CPLD rev7 20120320|

===== Hardware =====

^Func ^Designator ^Description ^Part ^Notes  ^
|CPU|IC23|Marvell Kirkwood 88F6282|[[http://www.marvell.com/embedded-processors/kirkwood/|88F6282]]A1C200||
|ROM|IC15|4Gb (512Mx8) NAND Flash|[[http://www.hynix.co.kr/inc/pdfDownload.jsp?path=/datasheet/pdf/flash/HY27UF(08_16)4G2B%20(Rev0.4).pdf|HY27UF084G2B]]-TPCB||
|RAM|IC4,18|1Gb (128Mx8) DDR3 DRAM|[[http://www.samsung.com/global/business/semiconductor/file/2011/product/2011/8/29/520209ds_k4b1gxx46g_rev11.pdf|K4B1G0846G]]-BCH9|as 128Mx16|
|||||
|RTC|IC28?|Maxim DS1337|[[http://datasheets.maximintegrated.com/en/ds/DS1337-DS1337C.pdf|DS1337]]||
|NIC|IC3|Marvell Alaska 88E1518 GbE transceiver|[[http://www.marvell.com/transceivers/alaska-gbe/|88E1518]]-NNB2||
|eSATA|IC16|JMicron JMB360 PCIe to SATA II Host Controller|[[http://www.jmicron.com/PDF/JMB360/JMB360.pdf|JMB360]]||
|||||
|PLD|IC24|Altera MAX EPM3064A PLD|[[http://www.altera.com/literature/ds/m3000a.pdf|EPM3064ATC100-7N / EPM3064ATI100-10N]]||
|E2|IC2|8Kb (1Kx8) I<sup>2</sup>C EEPROM|[[http://www.holtek.com/pdf/memory/24lc08v170.pdf|HT24LC08]]||
|||||
|REG|IC17,19|MPS MP2365 3A Buck Regulator, 1.4MHz|[[http://www.monolithicpower.com/Page/DownLoad.aspx?ListID=149b7d2b-0bb2-4ba6-a219-a0495acb8b0b&&ItemID=36|MP2365]]||
|REG|IC22|Marvell 88PG847B 4.5A Current-Limited Buck Regulator, 1MHz|[[http://www.datasheetarchive.com/indexer.php?file=DSA007266.pdf&dir=Datasheet-0103&keywords=88PG847B&database=user-highscore#|88PG847B]]||
|REG|IC34|TI TPS51100 3A DDR Termination Regulator|[[http://www.ti.com/lit/ds/symlink/tps51100.pdf|TPS51100]]||

===== Headers =====

^J2 ^JTAG & UART ^^
|1|3V3||
|2|GND||
|3|TMS|IC24-15|
|4|TCK|IC24-62|
|5|TDO|IC24-73|
|6|TDI|IC24-4|
|7|RX|IC23-?|
|8|TX|IC23-?|

JTAG <-> EPM3064A PLD\\
UART <-> 88F6282 CPU

===== Stock LaCie U-Boot & Kernel =====
<code>
Serial Console Boot:

          _            ____ _
         | |     __ _ / ___(_) ___
         | |    / _V | |   | |/ _ \
         | |__ | (_| | |___| |  __/
         |____| \__,_|\____|_|\___|
 _   _     ____              _
| | | |   | __ )  ___   ___ | |_
| | | |___|  _ \ / _ \ / _ \| __|
| |_| |___| |_) | (_) | (_) | |_
 \___/    |____/ \___/ \___/ \__|
 ** MARVELL BOARD: L2BIG_DDR3 REV: 1 LE
Hold front button - long :  FAIL


U-Boot 1.1.4 (Mar 21 2012 - 11:02:55) Marvell version: 3.5.9 LaCie 2.0.6

U-Boot code: 06000000 -> 0607FFF0  BSS: -> 060D14C0

Soc: 88F6282 A1CPU running @ 2000Mhz L2 running @ 500Mhz
SysClock = 500Mhz , TClock = 200Mhz

DRAM (DDR3) CAS Latency = 7 tRP = 8 tRAS = 20 tRCD=8
DRAM CS[0] base 0x00000000   size 256MB
DRAM Total size 256MB  16bit width
Addresses 98M - 0M are saved for the U-Boot usage.
Mem malloc Initialization (98M - 97M): Done
NAND:512 MB
Flash:  0 kB

CPU : Marvell Feroceon (Rev 1)

Streaming disabled
Write allocate disabled


USB 0: host mode
PEX 0: PCI Express Root Complex Interface
PEX interface detected Link X1
PEX 1: interface detected no Link.
SCSI:  AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl SATA mode
flags: 64bit ncq pm led clo pmp pio slum part
scanning bus for devices...
Invaild port number 2
Invaild port number 3
Net:   egiga0 [PRIME]
egiga0 no link
Waiting for LUMP (3)
no lump receive; continuing
Hit any key to stop autoboot:  0

Reset IDE:
Marvell Serial ATA Adapter

Marvell Serial ATA Adapter
Integrated Sata device found
PCIe SATA:ffffffff

Booting Nexus layout from disk 0...
** Bad partition 3 **
Booting Nexus layout from disk 1...
** Bad partition 3 **
Booting Nexus rescue from NAND...

Loading from NAND 512MB 3,3V 8-bit, offset 0x100000

Reading data from 0x100000 -- 100% complete.
   Image Name:   Linux-2.6.31.14-svn7170
   Created:      2012-04-06  17:10:52 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    8755908 Bytes =  8.4 MB
   Load Address: 00008000
   Entry Point:  00008000

Reading data from 0x959800 -- 100% complete.
## Booting image at 00800000 ...
   Image Name:   Linux-2.6.31.14-svn7170
   Created:      2012-04-06  17:10:52 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    8755908 Bytes =  8.4 MB
   Load Address: 00008000
   Entry Point:  00008000
   Verifying Checksum ... OK
OK
bootargs from environment variables : button=0 bootfail=1 console=ttyS0,115200 root=/dev/mtdblock2 cap=gpt,lba64

Starting kernel ...

Uncompressing Linux..............................................................................................
.................................................................................................................
.................................................................................................................
...................................... done, booting the kernel.
[    0.000000] Linux version 2.6.31.14-svn7170 (root@sbs2_node0.lacie.com) (gcc version 4.4.1 (Sourcery G++ Lite 2010q1-202) ) #1 Fri Apr 6 17:10:41 UTC 2012
[    0.000000] CPU: Feroceon 88FR131 [56251311] revision 1 (ARMv5TE), cr=00053977
[    0.000000] CPU: VIVT data cache, VIVT instruction cache
[    0.000000] Machine: nas2big
[    0.000000] Using UBoot passing parameters structure
[    0.000000] Memory policy: ECC disabled, Data cache writeback
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 65024
[    0.000000] Kernel command line: button=0 bootfail=1 console=ttyS0,115200 root=/dev/mtdblock2 cap=gpt,lba64
[    0.000000] PID hash table entries: 1024 (order: 10, 4096 bytes)
[    0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[    0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[    0.000000] Memory: 256MB = 256MB total
[    0.000000] Memory: 248192KB available (10860K code, 370K data, 140K init, 0K highmem)
[    0.000000] Hierarchical RCU implementation.
[    0.000000] NR_IRQS:128
[   21.474960] Console: colour dummy device 80x30
[   21.474985] Calibrating delay loop... 1998.84 BogoMIPS (lpj=9994240)
[   21.744937] Mount-cache hash table entries: 512
[   21.745200] CPU: Testing write buffer coherency: ok
[   21.746783] NET: Registered protocol family 16
[   21.748691] Feroceon L2: Enabling L2
[   21.748723] Feroceon L2: Cache support initialised.
[   21.749092]
[   21.749095] CPU Interface
[   21.749098] -------------
[   21.749102] SDRAM_CS0 ....base 00000000, size 256MB
[   21.749110] SDRAM_CS1 ....disable
[   21.749114] SDRAM_CS2 ....disable
[   21.749119] SDRAM_CS3 ....disable
[   21.749123] PEX0_MEM ....base e8000000, size 128MB
[   21.749131] PEX0_IO ....base f2000000, size   1MB
[   21.749139] INTER_REGS ....base f1000000, size   1MB
[   21.749145] NFLASH_CS ....base fa000000, size   2MB
[   21.749153] SPI_CS ....base f4000000, size  16MB
[   21.749163] BOOT_ROM_CS ....no such
[   21.749174] DEV_BOOTCS ....no such
[   21.749187] CRYPT_ENG ....base f0000000, size   2MB
[   21.749200]
[   21.749201]   Marvell Development Board (LSP Version KW_LSP_5.0.3)-- net2big_v2  Soc: MV88F1155 Rev 1 LE
[   21.749212]
[   21.749215]  Detected Tclk 200000000 and SysClk 500000000
[   21.750363] Register Marvell USB EHCI Host controller #0
[   21.751109] Kirkwood PCIe port 0:
[   21.751114] link up
[   21.751117] Kirkwood PCIe port 1:
[   21.751121] link down, ignoring
[   21.751125] PCI: bus0 uses PCIe port 0
[   21.751425] pci 0000:00:01.0: PME# supported from D3hot
[   21.751433] pci 0000:00:01.0: PME# disabled
[   21.751464] PCI: bus0: Fast back to back transfers disabled
[   21.757510] bio: create slab <bio-0> at 0
[   21.757788] SCSI Scattered Spinup: Enabled
[   21.757794]   o Maximum Disk Spinup: 1
[   21.757798]   o Disk Spinup timeout: 10
[   21.758178] SCSI subsystem initialized
[   21.759798] NET: Registered protocol family 2
[   21.759874] IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
[   21.760042] TCP established hash table entries: 8192 (order: 4, 65536 bytes)
[   21.760235] TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
[   21.760334] TCP: Hash tables configured (established 8192 bind 8192)
[   21.760340] TCP reno registered
[   21.760408] NET: Registered protocol family 1
[   21.764882] Switched to NOHz mode on CPU #0
[   22.012486] cpufreq: Init kirkwood cpufreq driver
[   22.013023] gpio-hd-power gpio-hd-power: GPIO Hard Disk power device initialized
[   22.013133] gpio-usb gpio-usb: USB GPIO's initialized
[   22.014474] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[   22.014492] Registering unionfs 2.5.10 (for 2.6.31.14)
[   22.014688] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
[   22.015373] JFFS2 version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
[   22.015719] SGI XFS with ACLs, security attributes, large block/inode numbers, no debug enabled
[   22.016042] SGI XFS Quota Management subsystem
[   22.016065] msgmni has been set to 485
[   22.016154] alg: No test for cipher_null (cipher_null-generic)
[   22.016203] alg: No test for ecb(cipher_null) (ecb-cipher_null)
[   22.016245] alg: No test for digest_null (digest_null-generic)
[   22.016287] alg: No test for compress_null (compress_null-generic)
[   22.021424] alg: No test for stdrng (krng)
[   22.082012] alg: No test for hmac(digest_null) (hmac(digest_null-generic))
[   22.110582] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
[   22.110593] io scheduler noop registered
[   22.110598] io scheduler anticipatory registered (default)
[   22.110603] io scheduler deadline registered
[   22.110638] io scheduler cfq registered
[   22.121097] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[   22.121840] serial8250.0: ttyS0 at MMIO 0xf1012000 (irq = 33) is a 16550A
[   22.121858] console [ttyS0] enabled
[   22.565637] brd: module loaded
[   22.569142] sata_mv sata_mv.0: version 1.28
[   22.573463] sata_mv sata_mv.0: slots 32 ports 2
[   22.578495] scsi0 : sata_mv
[   22.581605] scsi1 : sata_mv
[   22.584603] ata1: SATA max UDMA/133 irq 21
[   22.588755] ata2: SATA max UDMA/133 irq 21
[   22.593044] PCI: enabling device 0000:00:01.0 (0146 -> 0147)
[   22.598822] ahci 0000:00:01.0: AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl SATA mode
[   22.606965] ahci 0000:00:01.0: flags: 64bit ncq pm led clo pmp pio slum part
[   22.614563] scsi2 : ahci
[   22.617352] ata3: SATA max UDMA/133 abar m512@0xe0010000 port 0xe0010100 irq 9
[   22.624760] INIT Marvell Ethernet Driver: mv_netdev
[   22.629841] Loading Marvell Ethernet Driver:
[   22.634131]   o Cached descriptors in DRAM
[   22.638257]   o DRAM SW cache-coherency
[   22.642108]   o 2 Giga ports supported
[   22.645874]   o Single RX Queue support - ETH_DEF_RXQ=0
[   22.651116]   o Single TX Queue support - ETH_DEF_TXQ=0
[   22.656362]   o TCP segmentation offload (TSO) supported
[   22.661694]   o Large Receive offload (LRO) supported
[   22.666764]   o Receive checksum offload supported
[   22.671573]   o Transmit checksum offload supported
[   22.676470]   o Network Fast Processing (Routing) supported - (Disabled)
[   22.683197]   o Proc tool API enabled
[   22.686873]   o SKB Reuse supported - (Disabled)
[   22.691508]   o SKB Recycle supported - (Disabled)
[   22.696316]   o Rx descripors: q0=128
[   22.700009]   o Tx descripors: q0=532
[   22.703699]   o Loading network interface(s):
[   22.709012]     o  register under mv_netdev platform
[   22.714541]     o eth0, ifindex = 2, GbE port = 0
[   22.719295]
[   22.719297] Warning: Giga 1 is Powered Off
[   22.724902]
[   22.726410] mvFpRuleDb (ce58a000): 2048 entries, 8192 bytes
[   22.732148] console [netcon0] enabled
[   22.735837] netconsole: network logging started
[   22.740982] NAND device: Manufacturer ID: 0xad, Chip ID: 0xdc (Hynix NAND 512MiB 3,3V 8-bit)
[   22.749475] Scanning device for bad blocks
[   23.006107] Creating 4 MTD partitions on "orion_nand":
[   23.011265] 0x000000000000-0x000000100000 : "u-boot"
[   23.016827] 0x000000100000-0x000001100000 : "uImage"
[   23.022222] 0x000001100000-0x000009100000 : "root"
[   23.027512] 0x000009100000-0x000020000000 : "unused"
[   23.033682] mice: PS/2 mouse device common for all mice
[   23.039195] input: gpio-keys as /devices/platform/gpio-keys/input/input0
[   23.046707] at24 0-0050: 512 byte 24c04 EEPROM (writable)
[   23.053887] rtc-ds1307 0-0068: rtc core: registered ds1337 as rtc0
[   23.060420] g762 0-003e: device successfully initialized
[   23.065980] gpio-fan gpio-fan: GPIO fan initialized
[   23.071618] cpuidle: using governor ladder
[   23.076018] cpuidle: using governor menu
[   23.080227] Registered led device: net2big-v2:blue:power
[   23.085675] Registered led device: net2big-v2:red:power
[   23.091007] Registered led device: net2big-v2:blue:sata0
[   23.096470] Registered led device: net2big-v2:red:sata0
[   23.101811] Registered led device: net2big-v2:blue:sata1
[   23.107257] Registered led device: net2big-v2:red:sata1
[   23.112599] mv_xor_shared mv_xor_shared.0: Marvell shared XOR driver
[   23.119033] mv_xor_shared mv_xor_shared.1: Marvell shared XOR driver
[   23.125501] ata1: SATA link down (SStatus 0 SControl F300)
[   23.131121] ata3: SATA link down (SStatus 0 SControl 300)
[   23.174887] mv_xor mv_xor.0: Marvell XOR: ( xor cpy )
[   23.214881] mv_xor mv_xor.1: Marvell XOR: ( xor fill cpy )
[   23.254881] mv_xor mv_xor.2: Marvell XOR: ( xor cpy )
[   23.294881] mv_xor mv_xor.3: Marvell XOR: ( xor fill cpy )
[   23.300744] TCP cubic registered
[   23.303985] NET: Registered protocol family 17
[   23.308524] Bridge firewalling registered
[   23.312550] NET: Registered protocol family 5
[   23.317083] RPC: Registered udp transport module.
[   23.321807] RPC: Registered tcp transport module.
[   23.328128] rtc-ds1307 0-0068: setting system clock to 2013-06-06 00:40:24 UTC (1370479224)
[   23.474877] ata2: SATA link down (SStatus 0 SControl F300)
[   23.480420] Freeing init memory: 140K
[   23.484474] Freeing initramfs memory: 5872K
init started: BusyBox v1.19.2 (2012-04-06 16:52:36 UTC)
==== Initializing system base

______ _____ _____ _____ _   _ _____
| ___ \  ___/  ___/  __ \ | | |  ___|
| |_/ / |__ \ `--.| /  \/ | | | |__
|    /|  __| `--. \ |   | | | |  __|
| |\ \| |___/\__/ / \__/\ |_| | |___
\_| \_\____/\____/ \____/\___/\____/

/sbin/gen-api-xml: line 28: can't create /www/api/external/system_info: nonexistent directory
Starting 'S00modules'... [   23.777385] md: linear personality registered for level -1
[   23.794715] md: raid0 personality registered for level 0
[   23.814959] md: raid1 personality registered for level 1
[   23.835014] md: raid10 personality registered for level 10
[   24.015039] raid6: int32x1    123 MB/s
[   24.185042] raid6: int32x2    170 MB/s
[   24.354915] raid6: int32x4    192 MB/s
[   24.525079] raid6: int32x8    224 MB/s
[   24.528839] raid6: using algorithm int32x8 (224 MB/s)
[   24.537092] xor: measuring software checksum speed
[   24.584865]    arm4regs  :  1819.200 MB/sec
[   24.634864]    8regs     :  1091.600 MB/sec
[   24.684862]    32regs    :  1408.800 MB/sec
[   24.689060] xor: using function: arm4regs (1819.200 MB/sec)
[   24.698780] async_tx: api initialized (async)
[   24.721205] md: raid6 personality registered for level 6
[   24.726594] md: raid5 personality registered for level 5
[   24.731928] md: raid4 personality registered for level 4
OK
Starting 'S20buttons-manager'... OK
Starting 'S30klaxon'... OK
Starting 'S70klaxon_env'... OK
Starting 'S80driveplug'... OK

Please press Enter to activate this console.


BusyBox v1.19.2 (2012-04-06 16:52:36 UTC) built-in shell (ash)
Enter 'help' for a list of built-in commands.

Hi there,

You are now in the Rescue.

If you want to :
1/ Reset your counter, invoke "reset_boot_count"
sh: rescue.jeeves.bootfrom: unknown operand
2/ Repair your product (will erase both rootfs bank), invoke "update "
3/ Wipe your drive (will totally wipe the drive), invoke "wipe "
4/ Mount the user data, invoke "mount_user_data mount"

Then reboot your product.
NASRescue / #
</code>

===== Mainline U-Boot (WIP) =====
<code>
U-Boot 2013.04 (Jun 12 2013 - 22:55:24) 2Big NAS

SoC:   Kirkwood 88F6282_??
DRAM:  256 MiB
WARNING: Caches not enabled
NAND:  512 MiB
SF: Unsupported manufacturer 00
*** Warning - spi_flash_probe() failed, using default environment

In:    serial
Out:   serial
Err:   serial
Error: unknown version 4 for EEPROM data
Net:   egiga0
Warning: failed to set MAC address

PHY reset timed out
Hit any key to stop autoboot:  0 
2bigNAS> 
</code>

===== Notes =====

==== Toolchain ====

  * The Ubuntu 12.04.2 LTS version of the arm-linux-gnueabi toolchain is broken for this target. A U-Boot image will successfully compile but will not boot. The LaCie GPL U-Boot source will not compile at all (processor Thumb support error).
  * The Ubuntu 13.04 version of the same toolchain works.

==== Discoveries ====

=== I2C Devices ===

<code>
2bigNAS> i2c probe
Valid chip addresses: 3E 50 51 52 53 64 68
</code>

^Address ^Part ^Description ^
|0x3E|G762|Fan controller|
|0x50 - 0x53|HT24LC08|1KB EEPROM|
|0x64|Debug Port/Serial ROM ?||
|0x68|DS1337|RTC|

=== EEPROM Data ===

^Offset ^Size ^Value ^Description ^
|0x000|1|0x00| |
|0x001|1|0x04|EEPROM version|
|0x002|6|unique|MAC address; big endian|
|0x008|6 ?|0xFF| |
|0x00E|1 ?|0x01| |
|0x00F|74 ?|ASCII|Text|
|0x0C5|1 ?|0x01|hmmm...|
|Remainder||0xFF| |

<code>
2bigNAS> i2c read 0x50 0x0 0x100 0x800000
2bigNAS> i2c read 0x51 0x0 0x100 0x800100
2bigNAS> i2c read 0x52 0x0 0x100 0x800200
2bigNAS> i2c read 0x53 0x0 0x100 0x800300
2bigNAS> md.b 0x800000 0x400
00800000: 00 04 My MA CA dd re ss ff ff ff ff ff ff 01 53    ...............S
00800010: 6c 65 65 70 20 6d 6f 64 65 20 64 69 73 61 62 6c    leep mode disabl
00800020: 65 64 0a 53 65 74 20 6c 65 64 20 6d 6f 64 65 3a    ed.Set led mode:
00800030: 20 73 79 73 74 65 6d 5f 6f 66 66 0a 53 65 74 20     system_off.Set 
00800040: 6c 65 64 20 6d 6f 64 65 3a 20 73 79 73 74 65 6d    led mode: system
00800050: 5f 73 74 61 72 74 75 70 0a ff ff ff ff ff ff ff    _startup........
00800060: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
00800070: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
00800080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
00800090: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
008000a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
008000b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
008000c0: ff ff ff ff ff 01 ff ff ff ff ff ff ff ff ff ff    ................
008000d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
008000e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
008000f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
   :                           :                                     :
   :                           :                                     :
   :                           :                                     :
008003c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
008003d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
008003e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
008003f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
</code>

==== Functional Specs ====

=== CPU Address Decoding ===
Sheeva CPU core has 13 address windows:
  * 4x for CPU access to DRAM CS
  * 1x for CPU access to internal registers
  * 8x configurable for CPU access to remaining chip resources
== DRAM Windows ==
  * 8-bit BASE & SIZE registers
  * BASE corresponds to address bits [31:24]
  * Min. SIZE (0x01) = 16MB; max. SIZE (0xFF) = 4GB
  * SIZE is a mask; only 8 legal values (0x01, 0x03, 0x07, 0x0F, etc.)
== Register Window ==
  * Fixed SIZE of 1MB
  * BASE register
== Configurable Windows ==
  * 16-bit BASE & SIZE registers
  * BASE corresponds to address bits [31:16]
  * Min. SIZE (0x0001) = 64KB; max. SIZE (0xFFFF) = 4GB
  * SIZE is a mask; 16 legal values
=== SATA Address Decoding ===
  * 4x address windows
  * SDRAM and PCIe interface access
=== GbE Address Decoding ===
  * 6x address windows
  * SDRAM interface access only
=== USB Address Decoding ===
  * 4x address windows per USB port
  * SDRAM interface access only
=== SDIO Address Decoding ===
  * 4x programmable address windows
  * SDRAM and PCIe interface access
=== Default Address Map (p.41) ===
^Desc ^Size ^Base ^End ^Num ^State ^
|SDRAM CS0|256MB|0x0000 0000|0x0FFF FFFF| | |
|SDRAM CS1|256MB|0x1000 0000|0x1FFF FFFF| | |
|SDRAM CS2|256MB|0x2000 0000|0x2FFF FFFF| | |
|SDRAM CS3|256MB|0x3000 0000|0x3FFF FFFF| | |
|reserved| |0x4000 0000|0x7FFF FFFF| | |
|PCIe Memory|512MB|0x8000 0000|0x9FFF FFFF| | |
|PCIe-1 Memory|512MB|0xA000 0000|0xBFFF FFFF|(reserved)|6282 guess|
|PCIe I/O|64KB|0xC000 0000|0xC000 FFFF| | |
|PCIe-1 I/O|64KB|0xC001 0000|0xC001 FFFF|(reserved)|6282 guess|
|reserved| |0xC002 0000|0xC800 FFFF| | |
|Security SRAM|64KB (2KB)|0xC801 0000|0xC801 FFFF| | |
|reserved| |0xC802 0000|0xCFFF FFFF| | |
|Internal Registers|1MB|0xD000 0000|0xD00F FFFF| | |
|reserved| |0xD010 0000|0xD7FF FFFF| | |
|NAND Flash|128MB|0xD800 0000|0xDFFF FFFF| | |
|reserved| |0xE000 0000|0xE7FF FFFF| | |
|SPI Flash|128MB|0xE800 0000|0xEFFF FFFF| | |
|BootROM|128MB|0xF000 0000|0xF7FF FFFF| | |
|Boot device|128MB|0xF800 0000|0xFFFF FFFF| | |
=== LaCie Configured Address Map (mvSysHwConfig.h) ===
^Desc ^Size ^Base ^Notes ^Num ^State ^
|SDRAM CS0|256MB|0x00000000| | |dis|
|SDRAM CS1|256MB|0x10000000| | |dis|
|SDRAM CS2|256MB|0x20000000| | |dis|
|SDRAM CS3|256MB|0x30000000| | |dis|
|PEX0 MEM|128M|0x90000000| |0|en|
|PEX1 MEM|128M|0x98000000|6282 only|1|en|
|PEX0 I/O|16M|0xF0000000| |2|en|
|INTER REGS|1M?|0xF1000000| |8|en|
|PEX1 I/O|16M|0xF2000000|6282 only|3|en|
|DEVICE CS2|1M|0xF4000000|Boot ROM|9|dis|
|DEVICE CS1|16M|0xF8000000|SPI|5|en|
|DEVICE CS0|8M|0xF9000000|NAND|4|en|
|CRYPT ENG|64K|0xFB000000| |7|en|
|DEVICE CS3|16M|0xFF000000|Boot device|0xA|dis|


Bloody hell...
  * #undef  INTER_REGS_BASE
  * #define INTER_REGS_BASE         0xd0000000
  * #define NAND_FLASH_BASE         0xffff0000
  * #define BOOTER_PAGE_NUM         2
  * #define BOOTER_BASE             0x00020000 + PAGE_SIZE
  * #define BOOTER_END          (BOOTER_BASE + (BOOTER_PAGE_NUM * PAGE_SIZE))
  * #define NAND_CMD_PORT       (0x1 << (NFLASH_DEV_WIDTH >> 4))
  * #define NAND_ADDR_PORT      (0x2 << (NFLASH_DEV_WIDTH >> 4))
  * #define NUM_BLOCKS              2048
  * #define PAGES_PER_BLOCK         64
  * #define PAGE_SIZE               2048     /* Bytes */
  * #define SPARE_SIZE              64
  * #define CFG_NAND_PAGE_SIZE      (2048)          /* NAND chip page size          */
  * #define CFG_NAND_BLOCK_SIZE     (128 << 10)     /* NAND chip block size         */
  * #define CFG_NAND_PAGE_COUNT     (64)            /* NAND chip page count         */
  * #define CFG_NAND_BAD_BLOCK_POS  (0)             /* Location of bad block marker */
  * #define CFG_NAND_U_BOOT_OFFS    CFG_MONITOR_BASE        /* Offset to U-Boot image       */
  * #define CFG_NAND_U_BOOT_SIZE    CFG_MONITOR_LEN /* Size of RAM U-Boot image     */
  * #define CFG_NAND_U_BOOT_DST     CFG_MONITOR_IMAGE_DST   /* Load NUB to this addr        */
  * #define CFG_NAND_U_BOOT_START   CFG_NAND_U_BOOT_DST /* Start NUB from this addr */

= Trying to find ENV in NAND =

  I think it uses /* Use the new NAND code. */ in mv_kw.h
  And it also #undef CFG_ENV_IS_IN_FLASH which is interesting...
  Think only need ENV_SIZE and ENV_OFFSET when in NAND

  #define CFG_ENV_OFFSET				0xA0000 (640 << 10)		/* environment starts here  */
  #define CFG_ENV_SECT_SIZE			0x20000 (128 << 10)		/* environment take 1 block */
  #define CFG_ENV_SIZE				0x20000 (CFG_ENV_SECT_SIZE)	/* environment take 1 block */	
  #define CFG_NBOOT_BASE				0	
  #define CFG_NBOOT_LEN				0x01000 (4 << 10)		/* Reserved 4KB for boot strap */
  #define	CFG_MONITOR_LEN				0xA0000 (640 << 10)		/* Reserve 4 * 128KB + ENV = 640KB for Monitor */
  #define CFG_MONITOR_BASE			0
  #define CFG_MONITOR_IMAGE_OFFSET		0 				/* offset of the monitor from the u-boot image */
  #define CFG_MONITOR_IMAGE_DST			0x60000?(TEXT_BASE)		/* Load NUB to this addr	*/
  #define CFG_ENV_ADDR    			0xA0000 (CFG_ENV_OFFSET)

./tools/doimage -T nand -D 0x06000000 -E 0x6070000 -P 2048 -R dramregs_533ddr3_2big_A.txt u-boot-nas2big-revB-2.0.7.bin u-boot-nas2big-revB-2.0.7-nand.kwb
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