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
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1.  在ubantu16.04（64bit）按照官网安装ti-processor-sdk-linux-omapl138-lcdk-04.00.00.04-Linux-x86-Install.bin
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$ A5 }5 @4 S1 s8 T- M( s2.  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
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3.  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
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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）：

setenv uboot_macaddr 1
3 `- t* s: g$ G; |9 O( ssetenv ethaddr 00:0c:29:bc:7e:9a
1 x% ^; {# Y, `1 L4 Msetenv serverip 192.168.2.192
setenv ipaddr 192.168.2.191

- p1 S" [' j& _0 G: r! Rbootcmd=tftp c0700000 zImage;bootz c0700000
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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
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4. 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）：
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boot命令后的完整启动信息：

5 `( T# x: q* }, Q; b/ e=> boot
Using DaVinci-EMAC device
) `/ ]6 d. r0 x9 i5 OTFTP from server 192.168.2.192; our IP address is 192.168.2.191
Filename 'zImage'.
Load address: 0xc0700000
2 A. I5 ]1 i/ q0 y7 m$ ILoading: #################################################################
         #################################################################
         ################################
3 B/ A9 [8 D  F( S; y6 Y         288.1 KiB/s
4 |' i1 {. e* \! B7 n) ]done
Bytes transferred = 2367360 (241f80 hex)

& X9 F; ?' |9 ^9 R) L- hStarting kernel ...

Uncompressing Linux... done, booting the kernel.
! ?! S+ Y- D9 K' {. z& O. MBooting 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
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
* l. v2 A7 o5 g9 ]CPU: VIVT data cache, VIVT instruction cache
( I+ s8 o" n1 {: J# k" }1 t9 @Machine: AM18x/OMAP-L138 Hawkboard
  ]; n& q7 c6 M4 fda8xx_rproc_reserve_cma: 'rproc_mem=nn@address' badly specified
$ [& S& p1 V: B  b  j9 b    'nn' and 'address' must both be non-zero
cma: Reserved 16 MiB at 0xc6c00000
Memory policy: Data cache writethrough
6 J' F/ @" L- {# fDaVinci da850/omap-l138/am18x variant 0x1
( d* c: P1 E, T, M( s5 D1 xBuilt 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
6 t# B) N' y4 LPID hash table entries: 512 (order: -1, 2048 bytes)
' Q9 ~9 a$ ]$ W8 v, @, WDentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
4 H$ C' `9 d2 H3 q" |. \/ ~Memory: 106592K/131072K available (4529K kernel code, 308K rwdata, 1500K rodata, 228K init, 162K bss, 8096K reserved, 16384K cma-reserved)
Virtual kernel memory layout:
) I/ X( ?  l! t6 i    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
$ G# v# x) u3 ~- |8 S# o/ b    fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
    vmalloc : 0xc8800000 - 0xff800000   ( 880 MB)
9 I2 p1 m& X+ I+ p6 {3 C3 u    lowmem  : 0xc0000000 - 0xc8000000   ( 128 MB)
    modules : 0xbf000000 - 0xc0000000   (  16 MB)
      .text : 0xc0008000 - 0xc0474b38   (4531 kB)
      .init : 0xc05ed000 - 0xc0626000   ( 228 kB)
      .data : 0xc0626000 - 0xc0673110   ( 309 kB)
% i) {7 ]4 ~( U, Z( Z# e       .bss : 0xc0673110 - 0xc069bc08   ( 163 kB)
4 r+ ]1 I0 u* rSLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Preemptible hierarchical RCU implementation.
        Build-time adjustment of leaf fanout to 32.
( {; B* Z/ F/ x3 o% `7 b7 k+ XNR_IRQS:245
clocksource: 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
( |( I$ W: z& G) E2 ~! C5 W$ |& O$ gCalibrating delay loop... 227.32 BogoMIPS (lpj=1136640)
pid_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)
% K4 v* W) E' M/ L! G2 `) {1 cCPU: Testing write buffer coherency: ok
Setting up static identity map for 0xc0008400 - 0xc0008458
4 {/ i! I" ]& ^3 Mdevtmpfs: initialized
  p& Z' k- @) ^8 b$ g9 ?" yVFP 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
" G/ H9 T8 N, Y8 M1 gNET: Registered protocol family 16
/ h* i' D" @; }  i8 NDMA: preallocated 256 KiB pool for atomic coherent allocations
+ s% P. J; V: _# h& f! ^$ y4 Qcpuidle: using governor ladder
1 ^2 W/ O- [* P! xcpuidle: using governor menu
EMAC: MII PHY configured
mux: initialized GPIO3_12
mux: Setting register GPIO3_12
. U# f2 r3 e1 H7 I4 H+ k7 Bmux:    PINMUX7 (0x0000001c) = 0x00110110 -> 0x00118110
mux: initialized GPIO3_13
mux: Setting register GPIO3_13
mux:    PINMUX7 (0x0000001c) = 0x00118110 -> 0x00118810
mux: initialized GPIO2_4
( X1 m& q- d: B2 L% O. C5 T* i; Z, Emux: Setting register GPIO2_4
mux:    PINMUX6 (0x00000018) = 0x00000000 -> 0x00008000
mux: initialized GPIO6_13
mux: Setting register GPIO6_13
1 j2 f$ A1 M# G4 N& f; B0 pmux:    PINMUX13 (0x00000034) = 0x00000000 -> 0x00000800
da8xx_register_rproc: memory not reserved for DSP, not registering DSP device
omapl138_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
edma edma.1: Legacy memcpy is enabled, things might not work
$ `1 f7 h. v" }3 ^0 d, d* yedma edma.1: TI EDMA DMA engine driver
clocksource: Switched to clocksource timer0_1
NET: Registered protocol family 2
TCP established hash table entries: 1024 (order: 0, 4096 bytes)
# E" b( S. |; uTCP bind hash table entries: 1024 (order: 0, 4096 bytes)
3 m0 J7 e6 L5 u6 ]6 ?TCP: Hash tables configured (established 1024 bind 1024)
UDP hash table entries: 256 (order: 0, 4096 bytes)
! y9 M- i2 l. o: hUDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
5 V; ]2 Y9 U5 \* y  j+ }+ _0 BRPC: Registered tcp NFSv4.1 backchannel transport module.
0 C0 g8 e) H3 n# h3 F$ wworkingset: timestamp_bits=14 max_order=15 bucket_order=1
  M) T  P* S; b. v: X$ E. N# o! _- ~Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
io scheduler noop registered (default)
: E% Y* K* {5 N; |0 ~# @Serial: 8250/16550 driver, 10 ports, IRQ sharing disabled
serial8250.0: ttyS0 at MMIO 0x1c42000 (irq = 25, base_baud = 14250000) is a 16550A
serial8250.1: ttyS1 at MMIO 0x1d0c000 (irq = 53, base_baud = 8250000) is a 16550A
5 I0 n" R" a3 J6 W0 X( K5 sserial8250.2: ttyS2 at MMIO 0x1d0d000 (irq = 61, base_baud = 8250000) is a 16550A
5 u1 E1 f; L+ @console [ttyS2] enabled
brd: module loaded
% @0 a, j: o1 q5 Slibphy: Fixed MDIO Bus: probed
davinci_mdio davinci_mdio.0: davinci mdio revision 1.5
; P; H8 l8 k- S  B: mdavinci_mdio davinci_mdio.0: detected phy mask fffffffe
, [/ D: s7 A- C, klibphy: davinci_mdio.0: probed
davinci_mdio davinci_mdio.0: phy[0]: device davinci_mdio-0:00, driver SMSC LAN8710/LAN8720
i2c /dev entries driver
4 G" f, ]3 C6 w. zdavinci_mmc da830-mmc.0: cannot find GPIO chip davinci_gpio.1
davinci_mmc da830-mmc.0: cannot find GPIO chip davinci_gpio.1
davinci_mmc da830-mmc.0: Using DMA, 4-bit mode
2 V' d' h: }; T$ xNET: Registered protocol family 10
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered protocol family 17
console [netcon0] enabled
1 T4 ~) Q9 `" w* a; F4 ?) vnetconsole: network logging started
5 `" q2 ]8 D& a$ Rdavinci_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
net eth0: could not connect to phy davinci_mdio-0:07
IP-Config: Failed to open eth0
8 i6 h: U9 X3 e& lIP-Config: No network devices available
mmc0: host does not support reading read-only switch, assuming write-enable
% z. i( ?; n0 H6 Emmc0: new high speed SDHC card at address 59b4
: n! c3 M; K3 r9 }, m7 F1 q# kmmcblk0: mmc0:59b4 SS08G 7.41 GiB
mmcblk0: p1 p2

' M6 D  k* r) y, d+ c7 B0 u# f/* 此处等待了一段时间 */
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( H) j9 B3 }6 {random: fast init done
) [) e, r1 L# P5 W5 \VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device "nfs" or unknown-block(2,0): error -6
/ ^7 l4 k) X: g, h2 kPlease append a correct "root=" boot option; here are the available partitions:
& S" B& d8 `6 ~8 T0100           32768 ram0  (driver?)
) h) N9 D9 `+ s0 s$ V2 Mb300         7764992 mmcblk0  driver: mmcblk
% r2 E5 d+ E9 W+ g  b301           71680 mmcblk0p1 cd4e1bc4-01
9 U! h# t( T: x, d  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：

+ ?: I6 a6 P4 O2 h  e2 jlibphy: PHY davinci_mdio-0:07 not found
! t# K( `6 d7 n0 v; Q1 {net eth0: could not connect to phy davinci_mdio-0:07
8 r3 Y8 w, D* }8 YIP-Config: Failed to open eth0
- \, d0 ~# m5 `# F, ~IP-Config: No network devices available

伊撒斯

uestczwj 发表于 2017-9-12 22:25
- T7 t9 E4 F& t5 q4 y应该是如下错误造成NFS失败：
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libphy: PHY davinci_mdio-0:07 not found

2 c# b' P4 ~. s- e- J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。