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我在board-da850-evm.c文件增加ax88796b的板级驱动:static struct resource ax88796b_resources[] = {
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.start = DA8XX_AEMIF_CS5_BASE," P& V; }! Q0 N
.end = DA8XX_AEMIF_CS5_BASE + SZ_32K - 1,. g1 \' y$ j9 E) y, ]9 F& `0 E, h" s
.flags = IORESOURCE_MEM,
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[1] = {, E4 Y1 H! o+ H) F/ Y+ F' m
.start = -1,+ D# t" ?! q. P
.end = -1,
$ }8 V9 ^; X; i6 Y9 l .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,. a7 K9 V U4 l
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};
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static struct platform_device ax88796b_device = {# S" o1 \* ?4 z H% _' D+ b
.name = "ax88796b",# v( H# Z" o4 f! Y2 B5 q1 t0 u
.dev = {
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},
" v$ J" I7 S4 Y1 ?8 h7 }: [% j+ a .num_resources = ARRAY_SIZE(ax88796b_resources),/ O* B/ n& F! g( U, W, X
.resource = ax88796b_resources,
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static inline void da850_evm_setup_ax88796b(void)
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9 U- {# O. @7 p F3 m i void __iomem *aemif_addr;
; [- Y; \. O9 R int ret = 0;! k3 K' k9 c, W. U( c! }. C9 ~
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ret = davinci_cfg_reg_list(da850_evm_ax88796b_pins);+ j* O! j) b4 \
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if(ret)
7 G, B9 h$ }6 s; ~- j5 Y pr_warning("da850_evm_init: ax88796b mux setup failde:"' p$ ]8 c9 }8 \$ ?
"%d\n", ret);% @; ^. @3 H( C' s3 Y, o0 _
aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);% A1 O" n" B. P/ W; S3 [
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writel(readl(aemif_addr + DA8XX_AEMIF_CE5CFG_OFFSET) |) o3 _. E1 p+ j+ V7 C/ x2 |! Y
DA8XX_AEMIF_ASIZE_16BIT,8 I" e' t3 k1 g1 K+ V, K) A p6 r
aemif_addr + DA8XX_AEMIF_CE5CFG_OFFSET);3 o' M: }1 H9 R0 I+ A% G9 l: i+ v
iounmap(aemif_addr);. X5 ]- x% h) W8 G, B
ax88796b_resources[1].start = gpio_to_irq(DA850_AX88796B_IRQ);. u1 d7 X! e- e2 Z3 d
ax88796b_resources[1].end = ax88796b_resources[1].start;
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/ c! ~" U% v V0 U4 b( t1 N platform_device_register(&ax88796b_device);: v# a6 h% x. H
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}
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6 G, S& G0 v$ i) o1 ]2 D/ g! ]1 y和相关的引脚配置
2 I4 V$ N/ p6 t" q编译通过，9 p1 P0 A9 K$ z O
在板子内核启动过程中：
* f- P! Y1 P3 T) D4 P$ b' tINIT: version 2.88 booting- U: G9 ^5 k5 c! ~ ?
Starting udev
, ?: `$ |6 [+ s( p! p' GStarting Bootlog daemon: bootlogd.
|' c8 P' {1 [7 u+ R' Y5 xALSA: Restoring mixer settings...! L5 J7 z) n' y! e/ v
/usr/sbin/alsactl: load_state:1686: No soundcards found...
5 F; X5 P$ [" |' p% zConfiguring network interfaces... [ 12.665617] davinci_mdio davinci_mdio.0: resetting idled controller4 ]: E9 O- n: f5 i: G
[ 12.672854] net eth0: attached PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=davinci_mdio-0:00, id=7c0f1)2 y4 C/ b6 t2 }4 Q. R O6 U
udhcpc (v1.20.2) started
( t5 z( f6 |; o, t: s0 J- M' ZSending discover...
; N/ v5 d7 @: Y# X7 Q- h iSending discover...
$ N2 z# L c& S' k/ mSending discover...
7 ^. ^$ L; L) J9 `: z7 M$ J3 T9 d: QNo lease, failing
7 A& B- P. Z9 e1 E% E) odone.
, @: P; {- w3 Y- C; I! NWed Nov 6 04:33:00 UTC 2013
# ]8 A7 I1 M/ L5 q% X* y# g0 XINIT: Entering runlevel: 5
! I! U9 C( S* l0 J( k; U% hStarting system message bus: dbus.
) f/ o# {1 X. L( ^8 a- ?& z, }Starting Dropbear SSH server: [ 22.869096] ipv6: disagrees about version of symbol inet_recvmsg" P+ ]0 Y2 Q- C! g' ]
[ 22.875341] ipv6: Unknown symbol inet_recvmsg (err -22)) {0 w) O! W @ B9 e+ O0 R
[ 22.880894] ipv6: disagrees about version of symbol skb_free_datagram
) i6 T8 I; P% _8 S- O C[ 22.887493] ipv6: Unknown symbol skb_free_datagram (err -22)+ T4 a. _: _& a: b
[ 22.893560] ipv6: disagrees about version of symbol __skb_checksum_complete
, R) w& v9 l+ h2 X3 J! G j* l* U[ 22.900598] ipv6: Unknown symbol __skb_checksum_complete (err -22)
; f/ A- `3 H% ~[ 22.907048] ipv6: disagrees about version of symbol register_sysctl_paths% o/ Q1 ]# Z4 A O$ n t3 l
( y/ n5 }. I) ?3 T; ][ 22.913984] ipv6: Unknown symbol register_sysctl_paths (err -22)
% W8 a. V! C6 [3 ~[ 22.920203] ipv6: disagrees about version of symbol xfrm_inner_extract_output2 B. k; L' J( |- t7 g" k) p" q
[ 22.927486] ipv6: Unknown symbol xfrm_inner_extract_output (err -22), @1 p' ?/ B+ N- G% V% b5 S
[ 22.934104] ipv6: disagrees about version of symbol skb_free_datagram_locked' C( x) n( t) _0 v* t3 O
[ 22.941222] ipv6: Unknown symbol skb_free_datagram_locked (err -22), j' ]6 }- D* u. @- @; u% I; L: }
[ 22.947739] ipv6: disagrees about version of symbol sock_i_uid+ v, G; z( M; \+ H8 n% Y) _: P
: B8 C8 v2 C! i4 x就会出现这个问题，请问如何解决
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发表于 2014-11-21 09:56:52
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