AD7606问题

jinyi7016

AD7606与L138进行连接。
! j: C* Z) c4 _3 i- P# W' O8 \) [; H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
[    1.178490] serial8250.0: ttyS1 at MMIO 0x1d0c000 (irq = 53) is a AR7
, S* a2 ^; e% M9 i[    1.180448] serial8250.0: ttyS2 at MMIO 0x1d0d000 (irq = 61) is a AR7
( s0 K3 K7 Z4 o- v0 x/ H) C. _0 E, i; g[    1.642481] console [ttyS2] enabled
[    1.647982] serial8250.1: ttyS3 at MMIO 0x64000000 (irq = 135) is a ST16654
1 y& M6 ?8 h( z7 s. E0 e[    1.657229] serial8250.1: ttyS4 at MMIO 0x64000008 (irq = 136) is a ST16654
; c, z0 x9 e4 n: g5 ^1 c2 P. x! |[    1.666468] serial8250.1: ttyS5 at MMIO 0x64000010 (irq = 138) is a ST16654
- v) @- b, `! }5 E! ?, R, r& s* z9 r[    1.675720] serial8250.1: ttyS6 at MMIO 0x64000018 (irq = 139) is a ST16654
  X+ \6 o4 Y7 F2 p" Z, O' D[    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
% G3 e, Y+ Z5 |2 c1 ?[    1.712645] serial8250.1: ttyS10 at MMIO 0x64000038 (irq = 196) is a ST16654
, |8 B. j' B1 Q% Y) s# W[    1.724244] brd: module loaded
9 d% S0 ^7 H' D[    1.746949] loop: module loaded
[    1.750739] at24 1-0050: 256 byte 24c02 EEPROM, writable, 8 bytes/write
  g- N* \% w- e# I[    1.763127] ahci ahci: forcing PORTS_IMPL to 0x1
' m9 T8 \; V) F0 Z; I[    1.767947] ahci ahci: AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl platform mode
- M, J# N' D" {& h( C- d% h3 Q[    1.776171] ahci ahci: flags: ncq sntf pm led clo only pmp pio slum part ccc
2 {! l0 i( d- q/ b% a& R) }/ g' `[    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
6 U! |" C6 ~# v/ e0 {; K" X$ Y8 C; _; F/ |[    1.814800] No NAND device found
' b$ F! t7 b( |/ C7 R, d; l1 C[    1.822496] UBI error: ubi_init: UBI error: cannot initialize UBI, error -19
[    1.830321] spi_davinci spi_davinci.1: DMA: supported
; X% m2 z) k2 U. `[    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
[    1.852575] spi_davinci spi_davinci.1: Controller at 0xfef0e000
; h# a- G* G. D) x0 Z% F9 D[    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
. ?2 x. G5 X! s+ P; M7 I0 O[    1.880224] _regulator_get: smsc911x supply vddvario not found, using dummy regulator
[    1.987689] smsc911x: Device not READY in 100ms aborting
% I+ e- Q: n4 V" d9 u2 |& g[    2.038381] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
[    2.044631] davinci_mdio davinci_mdio.0: detected phy mask fffffffe
( [7 O/ e: _7 x& I[    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
[    2.072566] PPP BSD Compression module registered
[    2.077332] PPP Deflate Compression module registered
1 Y! \- J5 H3 v& S7 A1 A[    2.083484] usbcore: registered new interface driver rndis_wlan
[    2.090596] usbcore: registered new interface driver zd1201
[    2.097154] usbcore: registered new interface driver asix
[    2.103476] usbcore: registered new interface driver cdc_ether
. c7 m' U4 j: U) K2 G% B) O1 e[    2.110342] usbcore: registered new interface driver net1080
' C' k& j- d! i[    2.116959] usbcore: registered new interface driver rndis_host
6 n3 s& n5 Z2 d! L; c# Z3 E[    2.123813] usbcore: registered new interface driver cdc_subset
[    2.130794] usbcore: registered new interface driver zaurus
+ P4 O( _& f+ [/ m) I+ F# k[    2.137351] usbcore: registered new interface driver cdc_ncm
/ J7 o( A# N, T" [6 W5 E7 {[    2.149122] ata1: SATA link down (SStatus 0 SControl 300)
* y, }6 J! F! Q+ \4 [& v# @[    2.161271] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
- m1 |$ q. F5 `% {[    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
4 |* Q0 p9 |" e; \0 x$ [( T[    2.240810] hub 1-0:1.0: USB hub found
[    2.244710] hub 1-0:1.0: 1 port detected
7 t  @; I" _& U+ U[    2.250953] Initializing USB Mass Storage driver...
[    2.256972] usbcore: registered new interface driver usb-storage
[    2.263252] USB Mass Storage support registered.
9 I! C& O" `6 U$ R! d[    2.269618] usbcore: registered new interface driver usbserial
[    2.275547] usbserial: USB Serial Driver core
- Y. Y7 t7 O) O% o* ^[    2.280838] USB Serial support registered for GSM modem (1-port)
0 T4 s/ F1 Q! y5 N5 I" ^[    2.288032] usbcore: registered new interface driver option
- [! c& W( f7 }, E# s[    2.293841] option: v0.7.2:USB Driver for GSM modems
[    2.299461]  gadget: Mass Storage Function, version: 2009/09/11
( g- j" M  W3 F  t; C[    2.305485]  gadget: Number of LUNs=1
[    2.309319]  lun0: LUN: removable file: (no medium)
: p! `6 {3 s( ^1 H( P2 r+ Q[    2.314343]  gadget: Mass Storage Gadget, version: 2009/09/11
$ K' x" ]/ J* T[    2.320259]  gadget: userspace failed to provide iSerialNumber
[    2.326193]  gadget: g_mass_storage ready
" `0 ?! g8 x) Q* V2 k/ `& o[    2.330331] musb-hdrc musb-hdrc: MUSB HDRC host driver
[    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
+ l3 V8 |- Z! d! t/ [1 s& v3 C[    2.364530] _regulator_get: spi1.1 supply vcc not found, using dummy regulator
[    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
$ M8 @6 L- o; m/ N[    2.399709] omap_rtc: RTC power up reset detected
$ A/ }9 Y& P9 C: h[    2.405242] i2c /dev entries driver
[    2.410583] Linux video capture interface: v2.00
[    2.423599] ov2640 1-0030: Product ID error 87:87
$ g' A5 N+ k* |4 `# d3 ~# t: e' _[    2.429276] vpif_capture vpif_capture: Error registering v4l2 subdevice
[    2.439504] usbcore: registered new interface driver uvcvideo
6 }+ q& @8 m; m* B6 t3 R[    2.445311] USB Video Class driver (1.1.1)
& O2 l9 N1 y! Y% F$ \* P+ r# j) Y1 Y[    2.450236] watchdog watchdog: heartbeat 60 sec
. Y& q$ W$ l8 q* a[    2.456605] cpuidle: using governor ladder
[    2.461461] cpuidle: using governor menu
[    2.468706] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
! w& F* y3 m4 n8 T, Q[    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
9 \! q4 f1 h0 r# ?7 ?[    2.504085] timer clk rate(156000000)
6 k: E' c" i7 ]3 o0 q[    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
; E8 W9 W) `$ |[    2.533635] soc-audio soc-audio.0: ASoC: Failed to create card debugfs directory
8 p3 {! Y6 T: W9 ~/ B[    2.541868] _regulator_get: 1-0018 supply IOVDD not found, using dummy regulator
4 D2 U6 c7 ~) c: N/ P$ ~& b[    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
- r& N$ r: m4 ~9 n. N/ Q0 E[    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
[    2.598655] ALSA device list:
[    2.601677]   #0: DA850/OMAP-L138 EVM
[    2.605734] TCP cubic registered
9 `* k- c  K# Y- [; a! `( N[    2.609341] NET: Registered protocol family 17
9 F8 _, ^+ v% d% J4 v6 @2 p[    2.613928] can: controller area network core (rev 20090105 abi 8)
' {' z/ b; W; Y% r4 R& T5 d[    2.620526] NET: Registered protocol family 29
[    2.625052] can: raw protocol (rev 20090105)
: |0 B; T* r+ w) w[    2.629468] can: broadcast manager protocol (rev 20090105 t)
/ K2 A8 e3 [& W' {2 v" V- X) T[    2.635222] can: netlink gateway (rev 20101209)
: |4 b7 m: L  Y9 W' {" g% x8 J[    2.641090] lib80211: common routines for IEEE802.11 drivers
  H8 Y, |) p0 l1 s$ n[    2.647177] _regulator_get: deviceless supply cvdd not found, using dummy regulator
[    2.662294] console [netcon0] enabled
[    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)
0 L0 |4 m/ {) f$ C# g% Z+ }4 P[    2.691763] Please append a correct "root=" boot option; here are the available partitions:
* ]9 I0 Z3 c: _[    2.700308] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
# ^" r" J& c& J6 a- m) b9 f
( q& D$ ?7 N; s9 I6 d
/ _2 l7 H3 P# l4 G' s9 j3 B
% e. {7 r5 I9 n8 O7 d1 u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。
5 W8 J2 J9 e! m" J4 P8 v* C% o, p+ G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。
9 X7 A4 F* @+ \- T; I6 q这是不是AD7606在总线上会对Nand的读取有干扰的问题？

8 p6 V- T! w0 |) e& `, [$ Z3 {创龙的AD7606模块是怎么连接的，可不可以提供一下原理图。