TL138/6748/1808F-EasyEVM-A2使用ti-processor-sdk-linux-omapl138-lcdk-04.00....

uestczwj

0.  开发板型号：  TL138/6748/1808F-EasyEVM-A2, 开发版启动模式模式为SD卡启动
! i  Q+ Y, M2 J& {7 n) @( W% e
' I: z: k# d6 r4 h/ H, x1.  在ubantu16.04（64bit）按照官网安装ti-processor-sdk-linux-omapl138-lcdk-04.00.00.04-Linux-x86-Install.bin

2 j2 n5 a& h8 L0 f& D* w! G2 }2.  把uboot， kernel， filesystem写入SD卡, 拨码开关设置为SD启动， 能够正常启动能够进入嵌入式开发版

9 U3 G; n8 j2 @( N3.  SD卡启动方式保持不变，但是在uboot中配置为tftp下载内核和nfs挂载方式

uboot配置参数如下（由于没有开发板没有自动获取mac地址，所以自己设置为：  setenv  ethaddr 00:0c:29:bc:7e:9a）：
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setenv uboot_macaddr 1
setenv ethaddr 00:0c:29:bc:7e:9a
) ~0 L8 G1 Q% _. d1 \! W3 Rsetenv serverip 192.168.2.192
2 p0 _& h7 h0 R$ y. |$ {  ssetenv ipaddr 192.168.2.191
% e# f  W2 J+ G4 q7 R
0 S$ w0 `+ R% dbootcmd=tftp c0700000 zImage;bootz c0700000
" a3 s  z7 Y! G- ^; `, M/ T* j
0 m- ]& G. }( V2 O  ?bootargs=eth=00:0c:29:bc:7e:9a nfsroot=192.168.2.192:/opt/omapl138/linux-sdk/targetNFS, nolock rw console=ttyS2,115200n8 ip=dhcp root=/dev/nfs

8 B  T6 K! |1 t' Q: n4. 能够通过tftp下载并启动内核，但是在挂载NFS文件系统之前报错（错误在下面内核启动信息的最后）：

! B% Z# {( M  w( tboot命令后的完整启动信息：

0 {6 o& d& b- Y+ w9 E) x% c=> boot
Using DaVinci-EMAC device
7 F# U7 y! d" R' e$ ZTFTP from server 192.168.2.192; our IP address is 192.168.2.191
Filename 'zImage'.
( B4 z4 \- E/ K5 a) O/ yLoad address: 0xc0700000
Loading: #################################################################
         #################################################################
; M+ R' L8 q9 N7 p. b" D' t         ################################
         288.1 KiB/s
done
) R/ K) a7 a7 y+ JBytes transferred = 2367360 (241f80 hex)
3 Q: C1 k: C7 J. t- r! V
6 i8 d3 t0 h- d4 h4 i/ Y* T/ f5 sStarting kernel ...

- l% ]& q, f- g/ x3 J/ `* u6 kUncompressing Linux... done, booting the kernel.
Booting Linux on physical CPU 0x0
Linux version 4.9.28-geed43d1050 (gtbldadm@ubuntu-16) (gcc version 6.2.1 20161016 (Linaro GCC 6.2-2016.11) ) #1 PREEMPT Wed Jun 28 17:47:16 EDT 2017
/ ]# c; Z2 L7 aCPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
; r" G7 \. _% Z% z1 T; n) sCPU: VIVT data cache, VIVT instruction cache
Machine: AM18x/OMAP-L138 Hawkboard
da8xx_rproc_reserve_cma: 'rproc_mem=nn@address' badly specified
    'nn' and 'address' must both be non-zero
cma: Reserved 16 MiB at 0xc6c00000
1 l( J  ~  L8 d! I; {Memory policy: Data cache writethrough
DaVinci da850/omap-l138/am18x variant 0x1
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 32480
Kernel command line: eth=00:0c:29:bc:7e:9a nfsroot=192.168.2.192:/opt/omapl138/linux-sdk/targetNFS, nolock rw console=ttyS2,115200n8 ip=dhcp root=/dev/nfs
PID hash table entries: 512 (order: -1, 2048 bytes)
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
4 `- x& K  u3 `Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 106592K/131072K available (4529K kernel code, 308K rwdata, 1500K rodata, 228K init, 162K bss, 8096K reserved, 16384K cma-reserved)
; l; t, ~9 h( I% E) FVirtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
0 h& S6 ]) `+ \4 m0 N0 J5 Y9 Z    fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
  R% ^* |9 O# a9 W% |; _: M    vmalloc : 0xc8800000 - 0xff800000   ( 880 MB)
8 }' w# c. K  T4 ~8 t; s    lowmem  : 0xc0000000 - 0xc8000000   ( 128 MB)
( h/ ?/ I9 ?% U    modules : 0xbf000000 - 0xc0000000   (  16 MB)
" D7 J" R1 \6 I- l( _& D; `3 Y      .text : 0xc0008000 - 0xc0474b38   (4531 kB)
      .init : 0xc05ed000 - 0xc0626000   ( 228 kB)
      .data : 0xc0626000 - 0xc0673110   ( 309 kB)
7 k$ T0 n3 L3 [  ~       .bss : 0xc0673110 - 0xc069bc08   ( 163 kB)
SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Preemptible hierarchical RCU implementation.
2 x2 m# ^$ X* X        Build-time adjustment of leaf fanout to 32.
$ X$ N$ ?, h# [8 Q; s4 M- lNR_IRQS:245
+ G/ i, C& H3 v- o2 q! e9 Hclocksource: timer0_1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
Console: colour dummy device 80x30
1 `6 {0 l: J0 t0 D5 l, HCalibrating delay loop... 227.32 BogoMIPS (lpj=1136640)
5 Y3 I% b) ]% Gpid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
* r1 C' k/ q/ R' a0 QCPU: Testing write buffer coherency: ok
Setting up static identity map for 0xc0008400 - 0xc0008458
devtmpfs: initialized
VFP support v0.3: not present
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
futex hash table entries: 256 (order: -1, 3072 bytes)
pinctrl core: initialized pinctrl subsystem
NET: Registered protocol family 16
) u0 J! P5 a9 M" D4 vDMA: preallocated 256 KiB pool for atomic coherent allocations
cpuidle: using governor ladder
cpuidle: using governor menu
EMAC: MII PHY configured
mux: initialized GPIO3_12
! A+ Y0 t9 ~0 O- Gmux: Setting register GPIO3_12
+ n& D7 X4 G: ^* G- S6 L+ Mmux:    PINMUX7 (0x0000001c) = 0x00110110 -> 0x00118110
- b# j* S! K0 A4 Z1 pmux: initialized GPIO3_13
% D' L" o7 E2 Z- n7 \$ W, Kmux: Setting register GPIO3_13
* _$ \1 i: v7 R' b  g. Wmux:    PINMUX7 (0x0000001c) = 0x00118110 -> 0x00118810
mux: initialized GPIO2_4
' z9 L" p/ u- C7 e0 L, qmux: Setting register GPIO2_4
mux:    PINMUX6 (0x00000018) = 0x00000000 -> 0x00008000
mux: initialized GPIO6_13
8 U7 C* {; v' e) dmux: Setting register GPIO6_13
mux:    PINMUX13 (0x00000034) = 0x00000000 -> 0x00000800
da8xx_register_rproc: memory not reserved for DSP, not registering DSP device
! |. w/ N+ U4 `' `. o; iomapl138_hawk_init: dsp/rproc registration failed: -12
edma edma.0: Legacy memcpy is enabled, things might not work
edma edma.0: TI EDMA DMA engine driver
8 O# [: ^9 A& T( Eedma edma.1: Legacy memcpy is enabled, things might not work
edma edma.1: TI EDMA DMA engine driver
4 v5 B. [3 i4 f  A* Cclocksource: Switched to clocksource timer0_1
NET: Registered protocol family 2
9 x. g+ K7 A% G: \* vTCP established hash table entries: 1024 (order: 0, 4096 bytes)
- \# W! O9 d8 K' u# ]! K( HTCP bind hash table entries: 1024 (order: 0, 4096 bytes)
  I! x9 A4 ^& s( y' g( @) \8 iTCP: Hash tables configured (established 1024 bind 1024)
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
* e" I, {* c  n3 H1 vRPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
/ n' q7 q! X3 HRPC: Registered tcp transport module.
+ c5 Y; L# i" U4 b6 r( o: Q- R% MRPC: Registered tcp NFSv4.1 backchannel transport module.
workingset: timestamp_bits=14 max_order=15 bucket_order=1
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
: I  D8 o$ g. b: Tio scheduler noop registered (default)
Serial: 8250/16550 driver, 10 ports, IRQ sharing disabled
serial8250.0: ttyS0 at MMIO 0x1c42000 (irq = 25, base_baud = 14250000) is a 16550A
7 k( ^* Y' H. Q7 J2 x( Lserial8250.1: ttyS1 at MMIO 0x1d0c000 (irq = 53, base_baud = 8250000) is a 16550A
serial8250.2: ttyS2 at MMIO 0x1d0d000 (irq = 61, base_baud = 8250000) is a 16550A
console [ttyS2] enabled
brd: module loaded
7 M& r1 d9 D$ {libphy: Fixed MDIO Bus: probed
( T8 D" s7 |- X6 J" ydavinci_mdio davinci_mdio.0: davinci mdio revision 1.5
  S. D9 D; r& R% h% T2 \davinci_mdio davinci_mdio.0: detected phy mask fffffffe
libphy: davinci_mdio.0: probed
davinci_mdio davinci_mdio.0: phy[0]: device davinci_mdio-0:00, driver SMSC LAN8710/LAN8720
& j- D; e6 j& s3 @) ^3 di2c /dev entries driver
davinci_mmc da830-mmc.0: cannot find GPIO chip davinci_gpio.1
* z9 Q' O$ q5 E! R) Odavinci_mmc da830-mmc.0: cannot find GPIO chip davinci_gpio.1
davinci_mmc da830-mmc.0: Using DMA, 4-bit mode
NET: Registered protocol family 10
. t7 q0 p( i% c, _' Nsit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered protocol family 17
console [netcon0] enabled
3 d6 [. |0 M& E# f! l2 O5 m" n. Pnetconsole: network logging started
davinci_emac davinci_emac.1: using random MAC addr: 0a:ed:9e:24:43:89
hctosys: unable to open rtc device (rtc0)
libphy: PHY davinci_mdio-0:07 not found
% }1 w7 g! Y: m  O& v$ K3 wnet eth0: could not connect to phy davinci_mdio-0:07
IP-Config: Failed to open eth0
IP-Config: No network devices available
mmc0: host does not support reading read-only switch, assuming write-enable
3 u' x; r: O% R- d5 m3 ~mmc0: new high speed SDHC card at address 59b4
8 Q% u/ t* C2 O" q4 fmmcblk0: mmc0:59b4 SS08G 7.41 GiB
. h: P2 z! R  k/ G0 z/ a mmcblk0: p1 p2
2 M: r& l5 o- o# c; V& ^
. X  U; G: m- N4 o: ~/ G- k2 G& h" `. @0 }/* 此处等待了一段时间 */
* C1 t% y7 o) ^; ]
random: fast init done
# Y6 K+ J6 B  \5 l( ]VFS: Unable to mount root fs via NFS, trying floppy.
1 L0 m% s2 b! O3 {) }  GVFS: Cannot open root device "nfs" or unknown-block(2,0): error -6
Please append a correct "root=" boot option; here are the available partitions:
0100           32768 ram0  (driver?)
$ S$ q! Z- p0 k9 ]0 ab300         7764992 mmcblk0  driver: mmcblk
- e5 P* }* b  U9 z  b301           71680 mmcblk0p1 cd4e1bc4-01
2 d! i' K' T1 ~7 w; M8 A" q& c* `  b302         7675904 mmcblk0p2 cd4e1bc4-02                          
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block

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uestczwj

应该是如下错误造成NFS失败：
% ]- b- y# ?5 T8 W
4 g* X" g) j6 N) u" y8 {libphy: PHY davinci_mdio-0:07 not found
& b( e( b# R0 d; Xnet eth0: could not connect to phy davinci_mdio-0:07
9 L6 V6 e3 l$ U4 p) IIP-Config: Failed to open eth0
IP-Config: No network devices available

伊撒斯

uestczwj 发表于 2017-9-12 22:25
6 ]+ {0 @6 X! y8 P: ?2 d, N应该是如下错误造成NFS失败：

/ J4 g" X: u5 d7 flibphy: PHY davinci_mdio-0:07 not found

7 b) V$ F* k* C$ O" _6 W8 P! `) B4 _  k您好，我们光盘资料里面，有提供相关的nfs组件安装包和搭建的指导文档，建议您先按照我们的资料去搭建，我们使用的是，基于Ubuntu12.04的nfs开发环境搭建。