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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; M9 p$ t* @# M* W; Q/ z3 l
: | W0 {% F# c, I+ Z% k% p3 ~1. 在ubantu16.04（64bit）按照官网安装ti-processor-sdk-linux-omapl138-lcdk-04.00.00.04-Linux-x86-Install.bin9 S% B! {4 n" t/ u2 K" h
5 _$ V+ o* S5 c ?' A" |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
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8 I( s# b! V$ x3. 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5 \% f) L( l2 u, H# z
9 }8 C% E( [" s* h, j8 F; G& P
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）：' Y- J: i2 |3 w% l5 H
% M4 D3 `% s% m7 v: Tsetenv uboot_macaddr 1
6 ~+ T1 n6 B7 [: R, Msetenv ethaddr 00:0c:29:bc:7e:9a + n+ g- w. D- c: `# j
setenv serverip 192.168.2.192
# m! ~4 T. m8 Msetenv ipaddr 192.168.2.191
2 l8 ?% z+ E" t( I4 h) r
! p2 c/ V+ f* [ b' B( 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) m0 M# j5 Q3 J! L- L# W* U% p% y
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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）：
$ e5 X1 v( B v5 Q3 _- c2 H5 V7 [
boot命令后的完整启动信息：
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: }- H4 x7 }# r3 h9 ~=> boot
h1 G1 e# Y2 p2 hUsing DaVinci-EMAC device
) q& C6 k2 z& k& R' oTFTP from server 192.168.2.192; our IP address is 192.168.2.1914 z1 D, \) y$ F/ O
Filename 'zImage'.
* Y4 W8 f6 t- nLoad address: 0xc0700000
' K- W$ c; O! tLoading: #################################################################
. e& S X, z1 E2 r- W #################################################################' n2 S! t% F! C# W3 e
################################2 |( S: v; k, `/ K2 L- p( D' Z
288.1 KiB/s
' o% W1 X2 L' k5 N: e3 m$ Q, @2 cdone. @6 j! q9 N2 y/ {! m# J3 [/ ]/ }
Bytes transferred = 2367360 (241f80 hex); i- f% D0 f. U( I! ]' o$ T
9 [ L: J: Y6 A' K( O# Q: P$ [
Starting kernel ...* ?3 j# U2 j' I. m& e" V
5 ]: i7 [- B" Y) E$ O
Uncompressing Linux... done, booting the kernel.5 [, f$ P% g3 y7 C+ u
Booting Linux on physical CPU 0x0
4 T9 `3 K& F; I7 |/ ELinux 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 20175 e# W# J* ^4 K' X! h- q
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f* z; e, R4 A: V- M" h# t5 d0 {
CPU: VIVT data cache, VIVT instruction cache
$ b3 }/ N1 N Y( YMachine: AM18x/OMAP-L138 Hawkboard; k6 a' z/ P; i2 H1 [6 N
da8xx_rproc_reserve_cma: 'rproc_mem=nn@address' badly specified. }8 [, t9 m0 D
'nn' and 'address' must both be non-zero- |9 b. {) s- M# y/ ]
cma: Reserved 16 MiB at 0xc6c00000
( D, F' J% R& k6 h2 XMemory policy: Data cache writethrough q6 F& Q0 x5 q6 j; S$ `/ b R/ Z8 T
DaVinci da850/omap-l138/am18x variant 0x1+ y0 n( [% y& {* Q
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 324805 J" b u2 u0 N( e
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
/ x# C. @, g$ `" K8 X" u( OPID hash table entries: 512 (order: -1, 2048 bytes): f& \' f' o5 I8 L+ K+ l( w/ u
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)) v, Z9 I& W0 U( ]/ o1 l, F5 s
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
5 Q6 g/ x5 l! }0 x0 ^Memory: 106592K/131072K available (4529K kernel code, 308K rwdata, 1500K rodata, 228K init, 162K bss, 8096K reserved, 16384K cma-reserved)+ v( } P* H) B4 Q9 X
Virtual kernel memory layout:
8 i) M) Z' j* M, @, E vector : 0xffff0000 - 0xffff1000 ( 4 kB)0 A9 R7 Q1 n0 M
fixmap : 0xffc00000 - 0xfff00000 (3072 kB)3 s0 k* ` r ]. H
vmalloc : 0xc8800000 - 0xff800000 ( 880 MB)
8 R: A( U- c O" K7 }7 V# T4 _ lowmem : 0xc0000000 - 0xc8000000 ( 128 MB)
% K7 x5 O% h% p4 x2 a modules : 0xbf000000 - 0xc0000000 ( 16 MB)
8 p" \9 r W0 ~9 \5 a# F( | .text : 0xc0008000 - 0xc0474b38 (4531 kB)5 F& I# {/ x0 @
.init : 0xc05ed000 - 0xc0626000 ( 228 kB)
1 O( e2 F/ l) D: F/ N# F .data : 0xc0626000 - 0xc0673110 ( 309 kB)7 K2 N, D7 n B) F$ q& @
.bss : 0xc0673110 - 0xc069bc08 ( 163 kB)
2 v* f5 n% g& {- t. rSLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1- Z) ?% N% G- N6 I+ j/ K' m: }
Preemptible hierarchical RCU implementation.; S" n" v! y2 Y' A* q- S( e, B) C8 a$ d
Build-time adjustment of leaf fanout to 32.+ L8 p9 I3 ]' r) y0 C2 A3 S
NR_IRQS:245' N5 N/ F! i4 K6 ^' @
clocksource: timer0_1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns! W9 }$ A5 B; G/ B
sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns7 ]- Y3 k# Q# D# f D9 V
Console: colour dummy device 80x30" A; ]3 g( k3 k( k
Calibrating delay loop... 227.32 BogoMIPS (lpj=1136640)6 S5 ~3 @. R- P7 F- p9 u
pid_max: default: 32768 minimum: 301
6 S9 G2 Q9 W! }' I1 c% I8 VMount-cache hash table entries: 1024 (order: 0, 4096 bytes)/ z0 N% M8 S* i8 @" ?* y9 Z
Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)8 p: Z" a2 A& k4 g/ S- J" p9 d- p
CPU: Testing write buffer coherency: ok- p2 ]7 g! J& j; s5 G( n4 ?
Setting up static identity map for 0xc0008400 - 0xc0008458
, X5 q7 Y0 v( [$ i* Tdevtmpfs: initialized
3 `: {% b9 V- n* B6 VVFP support v0.3: not present: q' i3 x3 q, ]1 J0 f
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns9 f5 w7 O5 z) {: H) M
futex hash table entries: 256 (order: -1, 3072 bytes)9 n+ e1 H$ h* { R G( [
pinctrl core: initialized pinctrl subsystem
1 x$ S1 T1 y3 E8 }/ w4 ?3 PNET: Registered protocol family 16
3 |+ ], q+ q/ P" XDMA: preallocated 256 KiB pool for atomic coherent allocations9 o7 ]# ~6 W$ a% O; ^, s% n
cpuidle: using governor ladder8 J0 A7 }( {* V& |( m8 N; R& @. h
cpuidle: using governor menu6 N3 z$ T5 b) H6 i8 [ u
EMAC: MII PHY configured; ^( _+ e- q+ \/ h/ S4 z" I+ s2 f. @
mux: initialized GPIO3_12
" q2 o3 v$ c; u* p# Kmux: Setting register GPIO3_12( G7 L; E$ f. g) A$ x, W
mux: PINMUX7 (0x0000001c) = 0x00110110 -> 0x001181103 p& f$ i- ?& }4 M
mux: initialized GPIO3_13
& F' \/ c. |; L% ~' p: r, }mux: Setting register GPIO3_13
/ Z" E$ F1 C) P. a$ Y& Hmux: PINMUX7 (0x0000001c) = 0x00118110 -> 0x00118810
, |9 r5 P. I1 B5 Z2 q, Cmux: initialized GPIO2_4
7 A7 U. C) u" ]mux: Setting register GPIO2_4# I8 N" T; q) F' J3 F& K
mux: PINMUX6 (0x00000018) = 0x00000000 -> 0x00008000
$ M% p4 m$ r/ d( E; M/ i7 i; `mux: initialized GPIO6_13* ~5 z9 U* w+ ^/ H& d
mux: Setting register GPIO6_13+ ~1 K5 e* d8 q
mux: PINMUX13 (0x00000034) = 0x00000000 -> 0x00000800
4 y0 N5 N, u' C. L! L4 K0 [da8xx_register_rproc: memory not reserved for DSP, not registering DSP device
2 r0 ~/ j- h/ M n2 g% T2 xomapl138_hawk_init: dsp/rproc registration failed: -12
! B- P% C x1 }2 I6 J) pedma edma.0: Legacy memcpy is enabled, things might not work
- s' B$ `4 _5 q' Bedma edma.0: TI EDMA DMA engine driver
5 D$ D$ s2 [, |, C" @, d- fedma edma.1: Legacy memcpy is enabled, things might not work7 T2 C `8 T+ ^! B/ A
edma edma.1: TI EDMA DMA engine driver6 z5 p6 i4 Y1 j+ h
clocksource: Switched to clocksource timer0_1
# }3 {: ~' B; i' uNET: Registered protocol family 20 T+ v8 ?! N5 f4 S! c5 [9 _, O
TCP established hash table entries: 1024 (order: 0, 4096 bytes)* ^. G0 J H* b# |4 p
TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
2 p2 I6 H% W2 L1 X$ ~TCP: Hash tables configured (established 1024 bind 1024)
0 Y7 p( k& u+ t# k+ t/ kUDP hash table entries: 256 (order: 0, 4096 bytes)
% e4 u J3 P! G- x' o8 eUDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
2 @+ C1 B& M: ^, s: f! ~$ l" tNET: Registered protocol family 1/ e2 H s' g: Z8 R; l3 l7 S2 x& i
RPC: Registered named UNIX socket transport module.
9 n X8 G; B! M9 X+ r6 T, BRPC: Registered udp transport module.2 ~9 g$ v, d' x' A* W- j. M! P# W
RPC: Registered tcp transport module.: Y2 V, ~) p# [% z, y
RPC: Registered tcp NFSv4.1 backchannel transport module.
( e* U# O6 S- M; o8 o$ R) }' zworkingset: timestamp_bits=14 max_order=15 bucket_order=1
$ o+ B$ ?8 o# ] JBlock layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
' R8 w0 L3 @7 ?/ m: [' Uio scheduler noop registered (default)
1 L0 P5 y* k( L$ ^+ U! e5 FSerial: 8250/16550 driver, 10 ports, IRQ sharing disabled
" |0 ~3 ?/ U( userial8250.0: ttyS0 at MMIO 0x1c42000 (irq = 25, base_baud = 14250000) is a 16550A2 N2 K H6 I" @2 Q2 O. J
serial8250.1: ttyS1 at MMIO 0x1d0c000 (irq = 53, base_baud = 8250000) is a 16550A# `- @ z$ G6 L3 C% R# M+ U. f
serial8250.2: ttyS2 at MMIO 0x1d0d000 (irq = 61, base_baud = 8250000) is a 16550A
3 f, Y) y9 }- g7 a- oconsole [ttyS2] enabled3 r; E& V; D% e4 Q. A# o8 K2 {3 Y* y6 W
brd: module loaded8 L. z( W7 d& e" Q4 [# \
libphy: Fixed MDIO Bus: probed" D1 E q _2 f: i0 c7 k% \
davinci_mdio davinci_mdio.0: davinci mdio revision 1.5# O7 w+ R4 O: o
davinci_mdio davinci_mdio.0: detected phy mask fffffffe# _. z, ^3 c* ]. J o/ w6 m
libphy: davinci_mdio.0: probed; ~9 h/ x7 ]" F. v8 D
davinci_mdio davinci_mdio.0: phy[0]: device davinci_mdio-0:00, driver SMSC LAN8710/LAN8720% Z1 V3 {& h! v2 S- H" K- \
i2c /dev entries driver
$ ~/ x+ [# a+ }& e( E0 p! hdavinci_mmc da830-mmc.0: cannot find GPIO chip davinci_gpio.1/ \8 f2 Z! `* @- G
davinci_mmc da830-mmc.0: cannot find GPIO chip davinci_gpio.1
4 q; W, j" L5 f ~4 N. Q# A. xdavinci_mmc da830-mmc.0: Using DMA, 4-bit mode+ h H! {9 {. b: q) ?: K! b
NET: Registered protocol family 109 o0 {1 ?1 ~: ]4 ^% t6 R
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
$ K$ k& n- Q: ]# _1 VNET: Registered protocol family 17
w, C1 ?4 |4 zconsole [netcon0] enabled6 B5 G6 ]+ y0 ]8 P( q, T
netconsole: network logging started
$ A ^6 }- P# Q; M' \& i, i2 x) Adavinci_emac davinci_emac.1: using random MAC addr: 0a:ed:9e:24:43:897 ?- c' \! R D+ K S' x5 X
hctosys: unable to open rtc device (rtc0)4 O( {7 U7 K* V$ K$ D, w f l5 g
libphy: PHY davinci_mdio-0:07 not found
~) _& ?% t0 b+ qnet eth0: could not connect to phy davinci_mdio-0:07! T. D( H9 z8 K$ U
IP-Config: Failed to open eth0
Z, d% c0 `2 ^/ T7 s& _IP-Config: No network devices available9 d- f& T' ]1 r) I1 G
mmc0: host does not support reading read-only switch, assuming write-enable
: T) J* n* ]$ A9 V+ ` Y: Lmmc0: new high speed SDHC card at address 59b4
+ { `" J5 o* jmmcblk0: mmc0:59b4 SS08G 7.41 GiB 4 a: c# D' R1 ` J7 c; V
mmcblk0: p1 p2
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a, q5 Q! v! b# a6 f/ C/* 此处等待了一段时间 */* S' t; e6 f- E5 t# x
- q1 t9 Y) }% {( H. }/ K2 Qrandom: fast init done( N0 p# d8 u4 R4 m3 ~: u0 B
VFS: Unable to mount root fs via NFS, trying floppy. b' b* {5 ]% P6 C! C
VFS: Cannot open root device "nfs" or unknown-block(2,0): error -6) F) @' A) S: n& a; `1 N' s* r
Please append a correct "root=" boot option; here are the available partitions:# O& v+ O0 o' u" |1 _2 R2 I
0100 32768 ram0 (driver?)
# W! Y5 }* h, X; R9 |b300 7764992 mmcblk0 driver: mmcblk/ c* i! L. E1 W! _
b301 71680 mmcblk0p1 cd4e1bc4-01: y4 m1 V+ ]# u( N7 j4 C G
b302 7675904 mmcblk0p2 cd4e1bc4-02 4 f9 ]: \2 z. e7 j B' v; a
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block( @8 `9 n- N" P: G: I5 b, j
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|手机版|小黑屋|嵌入式开发者社区
( 粤ICP备15055271号 ) 
发表于 2017-9-12 22:16:12
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