AD7606问题

jinyi7016

AD7606与L138进行连接。
6 g- R1 B+ N* t5 r8 N9 W6 B9 I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：
! D3 L0 e$ l" }
[    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
6 \- S2 _, C7 e8 ?3 @- B. \[    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
[    1.666468] serial8250.1: ttyS5 at MMIO 0x64000010 (irq = 138) is a ST16654
. ^  y% A2 P  Q5 Y% R/ X' _[    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
[    1.694197] serial8250.1: ttyS8 at MMIO 0x64000028 (irq = 190) is a ST16654
9 B: k* y3 P7 X/ H5 L6 z% W9 H[    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
: V+ Z) v: ~# d; D5 J' a[    1.724244] brd: module loaded
/ u! q4 j/ b7 d9 M$ H& h) a+ d% Q[    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
[    1.787390] scsi0 : ahci_platform
0 Q# c1 B( k, \* B' D0 [9 p" m& z[    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
. y7 A6 e/ w& h- O+ L( ~[    1.814800] No NAND device found
[    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
- b3 P6 [- ^7 n7 ?; \& y[    1.846186] m25p80 spi1.0: unrecognized JEDEC id ffffff
[    1.852575] spi_davinci spi_davinci.1: Controller at 0xfef0e000
[    1.862934] CAN device driver interface
[    1.867002] smsc911x: Driver version 2008-10-21
[    1.872116] _regulator_get: smsc911x supply vdd33a not found, using dummy regulator
0 e5 o* J* l1 G! d) l* f; Q1 F[    1.880224] _regulator_get: smsc911x supply vddvario not found, using dummy regulator
& T; f5 G* ^- c0 a, X# j& i[    1.987689] smsc911x: Device not READY in 100ms aborting
8 Z* L* c% ?+ ?9 e+ Q0 r[    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
/ J, J5 e7 r0 l9 p9 q[    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
7 F! Y! A5 C. x6 J5 W% Z[    2.072566] PPP BSD Compression module registered
: ~! I& ~) j$ c, R) }[    2.077332] PPP Deflate Compression module registered
[    2.083484] usbcore: registered new interface driver rndis_wlan
[    2.090596] usbcore: registered new interface driver zd1201
% }; a/ ~1 {! X6 \[    2.097154] usbcore: registered new interface driver asix
[    2.103476] usbcore: registered new interface driver cdc_ether
; W( L( g+ S7 A. a8 n* Y( R[    2.110342] usbcore: registered new interface driver net1080
% |) L, N& p9 s; w) d[    2.116959] usbcore: registered new interface driver rndis_host
4 D" g+ P$ \+ a[    2.123813] usbcore: registered new interface driver cdc_subset
$ ]! [# W2 e! C" R[    2.130794] usbcore: registered new interface driver zaurus
[    2.137351] usbcore: registered new interface driver cdc_ncm
- |, \! Q3 X) [$ |" ^& B6 L5 S[    2.149122] ata1: SATA link down (SStatus 0 SControl 300)
7 C' ^# @- R# X4 O7 G' Z* F- Q" W[    2.161271] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
; m$ ?# J0 S) E[    2.167758] ohci ohci.0: DA8xx OHCI
  i, ]/ g% D' e% C% j! x5 l& T[    2.171805] ohci ohci.0: new USB bus registered, assigned bus number 1
[    2.178583] Waiting for USB PHY clock good...
- O/ Z/ c! @+ _[    2.183132] ohci ohci.0: irq 59, io mem 0x01e25000
% a; ^' G; ]( R! B* i- Z[    2.240810] hub 1-0:1.0: USB hub found
; T0 D0 U% q, K/ x8 G! {[    2.244710] hub 1-0:1.0: 1 port detected
* F: s3 s' l5 {[    2.250953] Initializing USB Mass Storage driver...
[    2.256972] usbcore: registered new interface driver usb-storage
[    2.263252] USB Mass Storage support registered.
[    2.269618] usbcore: registered new interface driver usbserial
[    2.275547] usbserial: USB Serial Driver core
9 @5 {0 ~1 ]; p$ c! o& Z$ o# h% s[    2.280838] USB Serial support registered for GSM modem (1-port)
[    2.288032] usbcore: registered new interface driver option
) |3 W4 ?: U4 ][    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
[    2.309319]  lun0: LUN: removable file: (no medium)
. H. {) z; p+ ~" a- R: W* p[    2.314343]  gadget: Mass Storage Gadget, version: 2009/09/11
[    2.320259]  gadget: userspace failed to provide iSerialNumber
[    2.326193]  gadget: g_mass_storage ready
# f* @, R$ H' m1 [# d4 X[    2.330331] musb-hdrc musb-hdrc: MUSB HDRC host driver
) z# _( c" l# P[    2.335636] musb-hdrc musb-hdrc: new USB bus registered, assigned bus number 2
# {0 V( |4 H6 q, v' @9 X[    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
, M, s/ _# @7 Z' d  i[    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
; r, N7 n9 z* W. d& D[    2.392948] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
[    2.399709] omap_rtc: RTC power up reset detected
: w: H& R2 N2 \- h+ ~# G5 e[    2.405242] i2c /dev entries driver
1 D1 v* A6 x' f; ?( r" j[    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
[    2.439504] usbcore: registered new interface driver uvcvideo
[    2.445311] USB Video Class driver (1.1.1)
[    2.450236] watchdog watchdog: heartbeat 60 sec
[    2.456605] cpuidle: using governor ladder
" r% w6 V$ U! F0 @6 g/ p1 T  r( s[    2.461461] cpuidle: using governor menu
& E1 |" E$ N/ `- k[    2.468706] davinci_mmc davinci_mmc.0: Using DMA, 4-bit mode
[    2.480437] usbcore: registered new interface driver usbhid
4 F# k% c2 h" O5 R& [/ l[    2.486069] usbhid: USB HID core driver
: o( i3 n; {1 \% b2 |. \8 R7 _% w[    2.490586] _regulator_get: ad7606-8.0 supply vcc not found, using dummy regulator
1 w& |) w, N6 \1 `+ R+ G1 N[    2.504085] timer clk rate(156000000)
* l) ^7 _& H. I3 W& ~$ @& B1 X6 i[    2.508918] iio_davinci_tmr_trigger iio_davinci_tmr_trigger.0: iio trigger davinci TMR2, IRQ-68
0 a) c" O9 y7 g( T- I- }* [[    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
& H' ^. a4 x6 X: }  C[    2.557274] _regulator_get: 1-0018 supply AVDD not found, using dummy regulator
1 [3 E& n' M, k% z3 Y9 C[    2.564976] _regulator_get: 1-0018 supply DRVDD not found, using dummy regulator
[    2.580805] asoc: tlv320aic3x-hifi <-> davinci-mcasp.0 mapping ok
$ Y% o! H1 b6 a7 }[    2.588521] usb 1-1: new full-speed USB device number 2 using ohci
0 T4 {, {! T; e% l  S) i3 o[    2.598655] ALSA device list:
[    2.601677]   #0: DA850/OMAP-L138 EVM
8 D6 j: n% r8 z. T: j, v0 v[    2.605734] TCP cubic registered
[    2.609341] NET: Registered protocol family 17
[    2.613928] can: controller area network core (rev 20090105 abi 8)
[    2.620526] NET: Registered protocol family 29
7 M6 I% F6 m$ j0 q[    2.625052] can: raw protocol (rev 20090105)
[    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
[    2.647177] _regulator_get: deviceless supply cvdd not found, using dummy regulator
6 `# O) ^$ y/ V0 w5 _[    2.662294] console [netcon0] enabled
% }# o( ^' p5 k8 x# `[    2.666005] netconsole: network logging started
# z; h2 d  l5 A+ z[    2.675263] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
& ^. I! `* s+ e; b5 {+ O3 w3 f[    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)
9 Q1 Y" K+ e  e) x2 z( y' l


: j0 ?' v# }9 h- C$ Q# k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。
# }/ R$ T% E! G" e4 q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 ^1 _4 `" a0 P* Q. y- v4 C这是不是AD7606在总线上会对Nand的读取有干扰的问题？

. h( k" w' x/ ~0 A. C+ y) k创龙的AD7606模块是怎么连接的，可不可以提供一下原理图。
' y2 l2 g* ?$ G) n7 }* e
0 W' ?8 K; h: o5 X