AD7606问题

jinyi7016

AD7606与L138进行连接。
! V2 Z% k0 C& [2 |1 X直接接在了AD7606的总线上。系统无法启动动，无法加载文件系统，串口输出如下：

[    1.176205] serial8250.0: ttyS0 at MMIO 0x1c42000 (irq = 25) is a AR7
/ w+ S% F' T/ Y+ v[    1.178490] serial8250.0: ttyS1 at MMIO 0x1d0c000 (irq = 53) is a AR7
. ^; Z# K* _. N$ v1 X; {[    1.180448] serial8250.0: ttyS2 at MMIO 0x1d0d000 (irq = 61) is a AR7
[    1.642481] console [ttyS2] enabled
[    1.647982] serial8250.1: ttyS3 at MMIO 0x64000000 (irq = 135) is a ST16654
[    1.657229] serial8250.1: ttyS4 at MMIO 0x64000008 (irq = 136) is a ST16654
* d' y6 W' z& ^[    1.666468] serial8250.1: ttyS5 at MMIO 0x64000010 (irq = 138) is a ST16654
; a8 j  N- R4 V" o4 V4 p) _[    1.675720] serial8250.1: ttyS6 at MMIO 0x64000018 (irq = 139) is a ST16654
/ B7 U6 D5 P( ^6 O* h[    1.684953] serial8250.1: ttyS7 at MMIO 0x64000020 (irq = 158) is a ST16654
[    1.694197] serial8250.1: ttyS8 at MMIO 0x64000028 (irq = 190) is a ST16654
( T+ p  p% E$ b[    1.703408] serial8250.1: ttyS9 at MMIO 0x64000030 (irq = 195) is a ST16654
[    1.712645] serial8250.1: ttyS10 at MMIO 0x64000038 (irq = 196) is a ST16654
[    1.724244] brd: module loaded
, d* ~' U: O1 L8 R- v2 O[    1.746949] loop: module loaded
[    1.750739] at24 1-0050: 256 byte 24c02 EEPROM, writable, 8 bytes/write
[    1.763127] ahci ahci: forcing PORTS_IMPL to 0x1
[    1.767947] ahci ahci: AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl platform mode
3 J, I; Q" V% {7 Q[    1.776171] ahci ahci: flags: ncq sntf pm led clo only pmp pio slum part ccc
' P0 o/ r" B2 D) T/ |[    1.787390] scsi0 : ahci_platform
[    1.793015] ata1: SATA max UDMA/133 mmio [mem 0x01e18000-0x01e19fff] port 0x100 irq 67
[    1.806870] nand_get_flash_type: second ID read did not match 00,00 against 2c,dc
[    1.814800] No NAND device found
  Z% o$ X+ |. `# ^* D+ A[    1.822496] UBI error: ubi_init: UBI error: cannot initialize UBI, error -19
[    1.830321] spi_davinci spi_davinci.1: DMA: supported
[    1.835481] spi_davinci spi_davinci.1: DMA: RX channel: 18, TX channel: 19, event queue: 0
[    1.846186] m25p80 spi1.0: unrecognized JEDEC id ffffff
6 T5 K% t5 Y  l4 t3 [[    1.852575] spi_davinci spi_davinci.1: Controller at 0xfef0e000
  R& D" _6 j! g# S; @[    1.862934] CAN device driver interface
[    1.867002] smsc911x: Driver version 2008-10-21
[    1.872116] _regulator_get: smsc911x supply vdd33a not found, using dummy regulator
' C) T  d6 m! f( D3 T: u8 {" A) v[    1.880224] _regulator_get: smsc911x supply vddvario not found, using dummy regulator
' X' c' J5 P2 D9 Q: g  K4 Q& ^[    1.987689] smsc911x: Device not READY in 100ms aborting
[    2.038381] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
) w: q; {- v. {[    2.044631] davinci_mdio davinci_mdio.0: detected phy mask fffffffe
[    2.052732] davinci_mdio.0: probed
[    2.056237] davinci_mdio davinci_mdio.0: phy[0]: device davinci_mdio-0:00, driver SMSC LAN8710/LAN8720
[    2.066475] PPP generic driver version 2.4.2
1 I. M) I- i& n, `5 f$ W' }[    2.072566] PPP BSD Compression module registered
& f( y  o0 h5 O5 I# ^0 B+ R2 d[    2.077332] PPP Deflate Compression module registered
[    2.083484] usbcore: registered new interface driver rndis_wlan
[    2.090596] usbcore: registered new interface driver zd1201
% B9 n) z# i7 i9 t0 L% U[    2.097154] usbcore: registered new interface driver asix
[    2.103476] usbcore: registered new interface driver cdc_ether
[    2.110342] usbcore: registered new interface driver net1080
" r) U% `$ J+ f9 X[    2.116959] usbcore: registered new interface driver rndis_host
2 z* C" `) n/ U- \) M7 Z[    2.123813] usbcore: registered new interface driver cdc_subset
7 B+ E0 y+ l9 K0 n* ^[    2.130794] usbcore: registered new interface driver zaurus
[    2.137351] usbcore: registered new interface driver cdc_ncm
[    2.149122] ata1: SATA link down (SStatus 0 SControl 300)
$ H; p& N! U$ m, z[    2.161271] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    2.167758] ohci ohci.0: DA8xx OHCI
[    2.171805] ohci ohci.0: new USB bus registered, assigned bus number 1
[    2.178583] Waiting for USB PHY clock good...
[    2.183132] ohci ohci.0: irq 59, io mem 0x01e25000
[    2.240810] hub 1-0:1.0: USB hub found
& k# l* ]8 L3 J% h2 ?3 l" X& f[    2.244710] hub 1-0:1.0: 1 port detected
( ^" h# m  A- N: G[    2.250953] Initializing USB Mass Storage driver...
* V$ `) R1 I( q: [/ d$ m& i[    2.256972] usbcore: registered new interface driver usb-storage
[    2.263252] USB Mass Storage support registered.
- S% X9 k" F: V5 K8 @[    2.269618] usbcore: registered new interface driver usbserial
[    2.275547] usbserial: USB Serial Driver core
% I' x5 ?4 T0 j[    2.280838] USB Serial support registered for GSM modem (1-port)
4 D- S/ j- I/ j+ Z; i[    2.288032] usbcore: registered new interface driver option
) E! ?7 z6 q: V$ T0 b' A[    2.293841] option: v0.7.2:USB Driver for GSM modems
[    2.299461]  gadget: Mass Storage Function, version: 2009/09/11
[    2.305485]  gadget: Number of LUNs=1
5 F6 m. E% `) q- X[    2.309319]  lun0: LUN: removable file: (no medium)
[    2.314343]  gadget: Mass Storage Gadget, version: 2009/09/11
0 R" _1 r$ F# r, x" i7 Z  q[    2.320259]  gadget: userspace failed to provide iSerialNumber
) E  q  j: Y4 R9 Z. k: R[    2.326193]  gadget: g_mass_storage ready
, Y8 C4 @% ?& i5 q/ X[    2.330331] musb-hdrc musb-hdrc: MUSB HDRC host driver
6 D) [: V) p4 n[    2.335636] musb-hdrc musb-hdrc: new USB bus registered, assigned bus number 2
[    2.345560] hub 2-0:1.0: USB hub found
[    2.349926] hub 2-0:1.0: 1 port detected
[    2.357651] mousedev: PS/2 mouse device common for all mice
3 ]+ J1 F' G+ q! M7 S[    2.364530] _regulator_get: spi1.1 supply vcc not found, using dummy regulator
; ]8 M+ K2 a' W7 i7 T[    2.372684] ads7846 spi1.1: touchscreen, irq 145
[    2.379052] input: ADS7846 Touchscreen as /devices/platform/spi_davinci.1/spi_master/spi1/spi1.1/input/input0
[    2.392948] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
[    2.399709] omap_rtc: RTC power up reset detected
[    2.405242] i2c /dev entries driver
[    2.410583] Linux video capture interface: v2.00
[    2.423599] ov2640 1-0030: Product ID error 87:87
) `/ A$ }5 V% O[    2.429276] vpif_capture vpif_capture: Error registering v4l2 subdevice
[    2.439504] usbcore: registered new interface driver uvcvideo
7 I0 L$ W: i- d4 `[    2.445311] USB Video Class driver (1.1.1)
+ b) \# c. E- N$ O6 \' Y[    2.450236] watchdog watchdog: heartbeat 60 sec
0 g( t& V; T) y. |[    2.456605] cpuidle: using governor ladder
[    2.461461] cpuidle: using governor menu
$ L. h' u) y- _5 M[    2.468706] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
[    2.480437] usbcore: registered new interface driver usbhid
6 i, L3 n* p9 n3 g( z8 N5 I) i" ][    2.486069] usbhid: USB HID core driver
% [0 G9 [2 ^2 d5 n) ]( [6 e[    2.490586] _regulator_get: ad7606-8.0 supply vcc not found, using dummy regulator
6 i& X. ^9 n" S- ?[    2.504085] timer clk rate(156000000)
' Y0 l$ S$ n' V" @[    2.508918] iio_davinci_tmr_trigger iio_davinci_tmr_trigger.0: iio trigger davinci TMR2, IRQ-68
[    2.520679] usbcore: registered new interface driver snd-usb-audio
[    2.533635] soc-audio soc-audio.0: ASoC: Failed to create card debugfs directory
[    2.541868] _regulator_get: 1-0018 supply IOVDD not found, using dummy regulator
" l- @; D+ @, }" I3 {[    2.549712] _regulator_get: 1-0018 supply DVDD not found, using dummy regulator
2 P) h. t. H$ `& {* r) o2 ]8 C& a[    2.557274] _regulator_get: 1-0018 supply AVDD not found, using dummy regulator
[    2.564976] _regulator_get: 1-0018 supply DRVDD not found, using dummy regulator
6 h$ Q) L% v0 ?9 L" }' Y[    2.580805] asoc: tlv320aic3x-hifi <-> davinci-mcasp.0 mapping ok
[    2.588521] usb 1-1: new full-speed USB device number 2 using ohci
[    2.598655] ALSA device list:
[    2.601677]   #0: DA850/OMAP-L138 EVM
( H$ H) w( ~3 x- d& b[    2.605734] TCP cubic registered
" ^9 \& M/ H) _  n[    2.609341] NET: Registered protocol family 17
. r4 M$ D* q  D) x+ R[    2.613928] can: controller area network core (rev 20090105 abi 8)
[    2.620526] NET: Registered protocol family 29
[    2.625052] can: raw protocol (rev 20090105)
1 M" p, P( W! U[    2.629468] can: broadcast manager protocol (rev 20090105 t)
[    2.635222] can: netlink gateway (rev 20101209)
[    2.641090] lib80211: common routines for IEEE802.11 drivers
5 Q' i* H( u  G3 k. }[    2.647177] _regulator_get: deviceless supply cvdd not found, using dummy regulator
[    2.662294] console [netcon0] enabled
; f. i9 }2 \$ c# \' l- [. {6 h! v[    2.666005] netconsole: network logging started
[    2.675263] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
# Y& ]8 B7 y  R+ W  b[    2.684933] VFS: Cannot open root device "ubi0_0" or unknown-block(0,0)
[    2.691763] Please append a correct "root=" boot option; here are the available partitions:
[    2.700308] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

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4 J) `6 M" R7 H3 P% [! c
之前以为是CS的问题，后来再测，发现CS是高电平，目前是把CS ＼OE两个引脚者断了。还是不行。
但是AD7606的3.3V电压断开后就可以正常启动，只要是接着3.3V的逻辑电源就无法启动动。其他的5V模拟电源都是正常接着的。
这是不是AD7606在总线上会对Nand的读取有干扰的问题？
' a$ C; P0 d- b$ g
创龙的AD7606模块是怎么连接的，可不可以提供一下原理图。