AD7606问题

jinyi7016

AD7606与L138进行连接。
, A2 r4 f1 {* t" F/ @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：

# G' B7 d) l- a/ t* ~+ M* o1 B. H, V[    1.176205] serial8250.0: ttyS0 at MMIO 0x1c42000 (irq = 25) is a AR7
  I$ U" `7 A7 t$ C. t[    1.178490] serial8250.0: ttyS1 at MMIO 0x1d0c000 (irq = 53) is a AR7
[    1.180448] serial8250.0: ttyS2 at MMIO 0x1d0d000 (irq = 61) is a AR7
[    1.642481] console [ttyS2] enabled
! E0 ]0 z; U% W2 \" P[    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
[    1.666468] serial8250.1: ttyS5 at MMIO 0x64000010 (irq = 138) is a ST16654
$ X1 P9 ^6 c* P! H. I# q7 B# N[    1.675720] serial8250.1: ttyS6 at MMIO 0x64000018 (irq = 139) is a ST16654
& u! Z; ~3 D) M+ ?2 L% L[    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
[    1.703408] serial8250.1: ttyS9 at MMIO 0x64000030 (irq = 195) is a ST16654
$ e" }; P$ q: ?* a[    1.712645] serial8250.1: ttyS10 at MMIO 0x64000038 (irq = 196) is a ST16654
& y# X) E- W! V* C5 [* _) H: |[    1.724244] brd: module loaded
2 @, R* f5 C3 P1 s9 t[    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
[    1.776171] ahci ahci: flags: ncq sntf pm led clo only pmp pio slum part ccc
( {9 @( e( l% z  ~' ]3 v6 J/ W( I[    1.787390] scsi0 : ahci_platform
[    1.793015] ata1: SATA max UDMA/133 mmio [mem 0x01e18000-0x01e19fff] port 0x100 irq 67
# |& v- t+ A; o! w$ Q[    1.806870] nand_get_flash_type: second ID read did not match 00,00 against 2c,dc
- p: p5 Z2 W$ Y[    1.814800] No NAND device found
- O9 R. P3 H1 W% F[    1.822496] UBI error: ubi_init: UBI error: cannot initialize UBI, error -19
[    1.830321] spi_davinci spi_davinci.1: DMA: supported
& U+ B  A" e6 Y" ?7 n[    1.835481] spi_davinci spi_davinci.1: DMA: RX channel: 18, TX channel: 19, event queue: 0
2 ]" c1 `: R& c" q4 I% Q# q[    1.846186] m25p80 spi1.0: unrecognized JEDEC id ffffff
! m; o) p# {" M7 ?[    1.852575] spi_davinci spi_davinci.1: Controller at 0xfef0e000
[    1.862934] CAN device driver interface
[    1.867002] smsc911x: Driver version 2008-10-21
1 }# q6 @& U% L' P6 j1 U[    1.872116] _regulator_get: smsc911x supply vdd33a not found, using dummy regulator
[    1.880224] _regulator_get: smsc911x supply vddvario not found, using dummy regulator
[    1.987689] smsc911x: Device not READY in 100ms aborting
' W, \6 ]- n( q0 ?. Y3 U[    2.038381] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
# J$ o( c0 i' k7 F6 t4 g0 b[    2.044631] davinci_mdio davinci_mdio.0: detected phy mask fffffffe
[    2.052732] davinci_mdio.0: probed
7 P0 E: x# e2 z5 }* k1 k/ X  j* V[    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
[    2.072566] PPP BSD Compression module registered
[    2.077332] PPP Deflate Compression module registered
[    2.083484] usbcore: registered new interface driver rndis_wlan
+ {, m, K3 M  ^" o/ v3 b[    2.090596] usbcore: registered new interface driver zd1201
6 b( R7 Z9 x7 G9 d[    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
[    2.116959] usbcore: registered new interface driver rndis_host
[    2.123813] usbcore: registered new interface driver cdc_subset
; ^* ~. }" r( U+ u/ A[    2.130794] usbcore: registered new interface driver zaurus
[    2.137351] usbcore: registered new interface driver cdc_ncm
# I, h1 L- `1 ]- ^( c/ C[    2.149122] ata1: SATA link down (SStatus 0 SControl 300)
[    2.161271] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
3 U( t$ q& s+ n+ S- s& k  ~9 I& I[    2.167758] ohci ohci.0: DA8xx OHCI
; x" `: }  d; `& Q  w5 G[    2.171805] ohci ohci.0: new USB bus registered, assigned bus number 1
[    2.178583] Waiting for USB PHY clock good...
. q3 l/ E6 A, f% w* u6 `  Z( e[    2.183132] ohci ohci.0: irq 59, io mem 0x01e25000
3 G0 v0 Q$ j2 [7 s( @1 o) N[    2.240810] hub 1-0:1.0: USB hub found
[    2.244710] hub 1-0:1.0: 1 port detected
9 \' O7 N- I0 f* Q: i[    2.250953] Initializing USB Mass Storage driver...
4 }4 z0 E5 S7 M. d! }1 f[    2.256972] usbcore: registered new interface driver usb-storage
0 y( B" z% ], c" \& q- m[    2.263252] USB Mass Storage support registered.
% q: {% d' u' K$ C4 w[    2.269618] usbcore: registered new interface driver usbserial
[    2.275547] usbserial: USB Serial Driver core
[    2.280838] USB Serial support registered for GSM modem (1-port)
( _0 D) G6 r/ g2 R[    2.288032] usbcore: registered new interface driver option
[    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
+ D& c1 Y6 ~) D: m[    2.309319]  lun0: LUN: removable file: (no medium)
[    2.314343]  gadget: Mass Storage Gadget, version: 2009/09/11
# Z/ J5 q' R6 K$ {[    2.320259]  gadget: userspace failed to provide iSerialNumber
[    2.326193]  gadget: g_mass_storage ready
[    2.330331] musb-hdrc musb-hdrc: MUSB HDRC host driver
! g) Y* M% A" F9 ?* K% V[    2.335636] musb-hdrc musb-hdrc: new USB bus registered, assigned bus number 2
& x. Z! W8 _, i8 P, W; [[    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
[    2.364530] _regulator_get: spi1.1 supply vcc not found, using dummy regulator
: u. ~+ n* K6 X) b0 a! E[    2.372684] ads7846 spi1.1: touchscreen, irq 145
# ~0 P' L0 u1 ^; t0 w[    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
8 ?, T( I7 j% _[    2.423599] ov2640 1-0030: Product ID error 87:87
5 Z# ^4 T% C: F0 e; W' _[    2.429276] vpif_capture vpif_capture: Error registering v4l2 subdevice
[    2.439504] usbcore: registered new interface driver uvcvideo
[    2.445311] USB Video Class driver (1.1.1)
[    2.450236] watchdog watchdog: heartbeat 60 sec
$ {. z7 t% p! C) e) f3 X& m[    2.456605] cpuidle: using governor ladder
[    2.461461] cpuidle: using governor menu
3 B4 i; c0 y# @# ^2 y6 L8 p[    2.468706] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
# ]* l1 ?+ k. z# o) A[    2.480437] usbcore: registered new interface driver usbhid
[    2.486069] usbhid: USB HID core driver
[    2.490586] _regulator_get: ad7606-8.0 supply vcc not found, using dummy regulator
[    2.504085] timer clk rate(156000000)
[    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
[    2.549712] _regulator_get: 1-0018 supply DVDD not found, using dummy regulator
[    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
[    2.580805] asoc: tlv320aic3x-hifi <-> davinci-mcasp.0 mapping ok
[    2.588521] usb 1-1: new full-speed USB device number 2 using ohci
. x, d# z* c) }# Y3 T3 K& t4 Z[    2.598655] ALSA device list:
+ i2 ~4 z3 _1 I[    2.601677]   #0: DA850/OMAP-L138 EVM
[    2.605734] TCP cubic registered
[    2.609341] NET: Registered protocol family 17
[    2.613928] can: controller area network core (rev 20090105 abi 8)
8 w' l0 y1 k3 U7 D6 B[    2.620526] NET: Registered protocol family 29
+ u& Q) ]3 a, |6 h! a[    2.625052] can: raw protocol (rev 20090105)
, e8 v3 U' \+ G! s* L3 D, R% R; x[    2.629468] can: broadcast manager protocol (rev 20090105 t)
[    2.635222] can: netlink gateway (rev 20101209)
: [! a3 m4 ~, T4 M& z" `$ Y9 m[    2.641090] lib80211: common routines for IEEE802.11 drivers
[    2.647177] _regulator_get: deviceless supply cvdd not found, using dummy regulator
5 |* N* J; s! t% x9 o0 n[    2.662294] console [netcon0] enabled
( Y) a. j8 h3 a[    2.666005] netconsole: network logging started
[    2.675263] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
[    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:
' q( d1 A3 f6 a/ J7 v[    2.700308] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)



% I, d/ V, f* Q8 S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？

* B, R( v9 `, `- p. `# J创龙的AD7606模块是怎么连接的，可不可以提供一下原理图。

! ?0 d8 S/ V% W  [6 P# G  h