AD7606问题

jinyi7016

AD7606与L138进行连接。
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：
( |: Z3 q' R% a, Z
6 T' U& G& k; T& \$ M[    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
[    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
$ T( q6 o1 W4 }7 y[    1.666468] serial8250.1: ttyS5 at MMIO 0x64000010 (irq = 138) is a ST16654
[    1.675720] serial8250.1: ttyS6 at MMIO 0x64000018 (irq = 139) is a ST16654
[    1.684953] serial8250.1: ttyS7 at MMIO 0x64000020 (irq = 158) is a ST16654
- O7 T1 `6 N& K% t[    1.694197] serial8250.1: ttyS8 at MMIO 0x64000028 (irq = 190) is a ST16654
( g1 }- x6 S$ j* D3 ^- W6 O. F[    1.703408] serial8250.1: ttyS9 at MMIO 0x64000030 (irq = 195) is a ST16654
* g3 k6 j% X2 |, M( b7 Z[    1.712645] serial8250.1: ttyS10 at MMIO 0x64000038 (irq = 196) is a ST16654
3 [8 U) ^$ U4 c4 I3 h! L/ d[    1.724244] brd: module loaded
[    1.746949] loop: module loaded
- Z  U* q: A4 ]3 X1 S, X[    1.750739] at24 1-0050: 256 byte 24c02 EEPROM, writable, 8 bytes/write
[    1.763127] ahci ahci: forcing PORTS_IMPL to 0x1
- X& d/ \6 ~( r# j5 {* B[    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
[    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
. C  V3 y' z; m% y0 k[    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
" y# S" T) a3 u. Q( _[    1.846186] m25p80 spi1.0: unrecognized JEDEC id ffffff
[    1.852575] spi_davinci spi_davinci.1: Controller at 0xfef0e000
6 r3 C: X8 [; s[    1.862934] CAN device driver interface
% t6 c5 D; s$ r[    1.867002] smsc911x: Driver version 2008-10-21
/ h% Q, ~; z$ a3 I' w[    1.872116] _regulator_get: smsc911x supply vdd33a not found, using dummy regulator
, z5 E7 J, A) t+ A. [& b[    1.880224] _regulator_get: smsc911x supply vddvario not found, using dummy regulator
[    1.987689] smsc911x: Device not READY in 100ms aborting
[    2.038381] davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
[    2.044631] davinci_mdio davinci_mdio.0: detected phy mask fffffffe
[    2.052732] davinci_mdio.0: probed
7 u3 w' H' H2 n2 H: w# i' r5 n9 q  r[    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
5 J! K# o, O( j0 i[    2.072566] PPP BSD Compression module registered
0 ~9 a/ g0 Z; x/ u- F[    2.077332] PPP Deflate Compression module registered
[    2.083484] usbcore: registered new interface driver rndis_wlan
5 M5 {" M7 T4 C" d& @$ ?[    2.090596] usbcore: registered new interface driver zd1201
[    2.097154] usbcore: registered new interface driver asix
! T7 }% E; B; J( @0 t$ z9 U[    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
9 b9 i% f8 K# H4 {& S[    2.123813] usbcore: registered new interface driver cdc_subset
9 a% o+ z( k, _4 G; I/ _, H4 ~8 @[    2.130794] usbcore: registered new interface driver zaurus
4 x( d  J) u+ B/ O8 A1 ^) V3 `$ I[    2.137351] usbcore: registered new interface driver cdc_ncm
2 b/ E$ m: o6 u' S[    2.149122] ata1: SATA link down (SStatus 0 SControl 300)
[    2.161271] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    2.167758] ohci ohci.0: DA8xx OHCI
; U( U' ^% p% p[    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
$ g1 R+ B# T8 |8 H. [  x[    2.240810] hub 1-0:1.0: USB hub found
. i: @/ w2 f4 X) B  Y' g' D[    2.244710] hub 1-0:1.0: 1 port detected
; N  Q5 b* d& L- D. L. `[    2.250953] Initializing USB Mass Storage driver...
$ M4 c% l& X* ^# V3 u, O1 u- X[    2.256972] usbcore: registered new interface driver usb-storage
[    2.263252] USB Mass Storage support registered.
0 O% X3 z6 i6 G& q: f' A[    2.269618] usbcore: registered new interface driver usbserial
2 `3 f- _8 K; ?3 H5 o- c$ H* q/ g[    2.275547] usbserial: USB Serial Driver core
, f% l2 x, r% `5 d[    2.280838] USB Serial support registered for GSM modem (1-port)
, U+ m( l& x5 u) O# m0 z& v[    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
: j/ ^" A# H1 t& C[    2.309319]  lun0: LUN: removable file: (no medium)
[    2.314343]  gadget: Mass Storage Gadget, version: 2009/09/11
[    2.320259]  gadget: userspace failed to provide iSerialNumber
6 C; y; ?6 J* |[    2.326193]  gadget: g_mass_storage ready
[    2.330331] musb-hdrc musb-hdrc: MUSB HDRC host driver
1 d% I9 ?( p$ K2 U  V' E: t) U5 l4 _4 @[    2.335636] musb-hdrc musb-hdrc: new USB bus registered, assigned bus number 2
0 J! X+ d9 z" Z6 y1 Y[    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
[    2.372684] ads7846 spi1.1: touchscreen, irq 145
, e/ }* y( E5 N[    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
1 a: P' W0 i- t3 ]; V8 P9 R  ^) c, W[    2.405242] i2c /dev entries driver
2 j- F' s- ?/ W8 m! e[    2.410583] Linux video capture interface: v2.00
[    2.423599] ov2640 1-0030: Product ID error 87:87
[    2.429276] vpif_capture vpif_capture: Error registering v4l2 subdevice
$ p7 U4 S: R2 l: I! }' x3 h[    2.439504] usbcore: registered new interface driver uvcvideo
  a6 f  P; w  a! W) v! K[    2.445311] USB Video Class driver (1.1.1)
- v" ]: Z& w% z# R$ J* Z' z8 F[    2.450236] watchdog watchdog: heartbeat 60 sec
[    2.456605] cpuidle: using governor ladder
) P0 C: H1 n+ W1 D3 u& A$ n+ N[    2.461461] cpuidle: using governor menu
[    2.468706] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
[    2.480437] usbcore: registered new interface driver usbhid
$ ?: P8 {, v( o; W, b4 L: D6 D3 t[    2.486069] usbhid: USB HID core driver
; U. w  Z  R6 z9 U[    2.490586] _regulator_get: ad7606-8.0 supply vcc not found, using dummy regulator
! A# x- p5 s% H/ q  a[    2.504085] timer clk rate(156000000)
[    2.508918] iio_davinci_tmr_trigger iio_davinci_tmr_trigger.0: iio trigger davinci TMR2, IRQ-68
, _3 g: ^2 I1 G8 ?* S3 e[    2.520679] usbcore: registered new interface driver snd-usb-audio
[    2.533635] soc-audio soc-audio.0: ASoC: Failed to create card debugfs directory
; Y9 ^' q3 `; q0 e0 G" K1 ^[    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
6 L- `7 F3 f1 C% W  M[    2.580805] asoc: tlv320aic3x-hifi <-> davinci-mcasp.0 mapping ok
3 c* p- @0 e" c/ u% _4 S' ?9 I[    2.588521] usb 1-1: new full-speed USB device number 2 using ohci
7 j; s8 A9 t" K# g[    2.598655] ALSA device list:
[    2.601677]   #0: DA850/OMAP-L138 EVM
[    2.605734] TCP cubic registered
0 c4 l! u: R5 M4 y2 }- \[    2.609341] NET: Registered protocol family 17
/ y/ o! f' L* I; p[    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)
6 e5 v# V7 T% F6 r; l6 A[    2.629468] can: broadcast manager protocol (rev 20090105 t)
2 k/ o' t, p5 n6 m; [9 D[    2.635222] can: netlink gateway (rev 20101209)
8 r  o4 e& m# j6 o7 ^9 C[    2.641090] lib80211: common routines for IEEE802.11 drivers
[    2.647177] _regulator_get: deviceless supply cvdd not found, using dummy regulator
5 o" W8 u+ h7 d! w[    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)
# ]$ V! z5 w* k" X( n% @/ X$ _[    2.691763] Please append a correct "root=" boot option; here are the available partitions:
/ q+ T6 y4 c4 X3 i[    2.700308] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

* Y$ f5 u( e6 O

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。
0 R# U1 K0 u# u* S! m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？

% ~/ c! ^9 z! _9 s创龙的AD7606模块是怎么连接的，可不可以提供一下原理图。
/ f% }0 Q; I7 k' J0 h$ Z% |
6 e- i. O9 w! }& r, Y