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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[] = {% P2 t+ ^* h/ N! v. C* W
[0] = {
# e; ^& V! F& F2 M6 F .start = DA8XX_AEMIF_CS5_BASE,
; `8 o2 f3 C. ^ .end = DA8XX_AEMIF_CS5_BASE + SZ_32K - 1,
]3 `* n& G8 @' U' u .flags = IORESOURCE_MEM,8 ]5 C) g* ^0 Z9 P0 M5 \) H
},
! y' g7 `8 ]3 X8 r [1] = {* Y6 ^' V/ O- r( p" D
.start = -1,
( A' |# r! ~( R' L0 x .end = -1,
8 f; w5 S4 D, K! ~ g/ L) ~ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
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static struct platform_device ax88796b_device = {' \' K; {* B- F1 ?* b
.name = "ax88796b",# m6 j; _# c. k" H
.dev = {
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.num_resources = ARRAY_SIZE(ax88796b_resources),
# R2 z: ^$ G) A- m3 x5 R .resource = ax88796b_resources,
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static inline void da850_evm_setup_ax88796b(void)
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void __iomem *aemif_addr;) n7 e L! O! k' i7 U- b
int ret = 0;
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9 O! D( u: z, u' A0 V ret = davinci_cfg_reg_list(da850_evm_ax88796b_pins);* @: G% u5 @2 Z, v) K
4 v0 G" \1 d; U9 b: h if(ret)
8 y( S3 b1 _" q% E3 [ n0 D pr_warning("da850_evm_init: ax88796b mux setup failde:"( R7 g3 W# E7 {" L' m5 Y
"%d\n", ret);
" \! G" ?9 q1 q8 h. q- X# m aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);" o3 C4 i$ J+ x7 j9 t2 x! W2 W
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writel(readl(aemif_addr + DA8XX_AEMIF_CE5CFG_OFFSET) |+ J& I& `. I: L1 x
DA8XX_AEMIF_ASIZE_16BIT,
" S. t& M( w; C; e: `, ` aemif_addr + DA8XX_AEMIF_CE5CFG_OFFSET);
2 \% z( e+ E# O iounmap(aemif_addr);" C8 M( H, d9 S
ax88796b_resources[1].start = gpio_to_irq(DA850_AX88796B_IRQ);
1 g" N8 a! o Q) |- o8 f9 ] ax88796b_resources[1].end = ax88796b_resources[1].start;" m( @1 k7 t* p& q- N
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platform_device_register(&ax88796b_device);
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}
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h" z8 v x" c和相关的引脚配置- u0 b9 m7 c; l$ g; U' }+ A
编译通过，
$ i6 K8 ?9 _! T( R' [" ], ?1 U4 ~在板子内核启动过程中：5 r5 K7 m5 c2 ?/ S
INIT: version 2.88 booting
3 j( s$ [: z5 G6 A; H; q5 W( X2 f* EStarting udev
0 A7 e! D/ q- x! I' A1 mStarting Bootlog daemon: bootlogd.- G/ m( r/ G. L' x# O
ALSA: Restoring mixer settings...
7 ?$ K" x8 ]% B! o9 w/usr/sbin/alsactl: load_state:1686: No soundcards found...; j& _! g( P# I% u9 i' V
Configuring network interfaces... [ 12.665617] davinci_mdio davinci_mdio.0: resetting idled controller/ N5 d8 x: j! [
[ 12.672854] net eth0: attached PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=davinci_mdio-0:00, id=7c0f1)9 f3 E; j1 N0 ?2 L" t* H- O
udhcpc (v1.20.2) started- E5 G, a- A% q" E: V9 f
Sending discover...! \) k' x& P/ u3 u6 \
Sending discover...- T8 s {7 e0 C
Sending discover...8 |0 J+ C, y6 `" Z0 O5 A% P
No lease, failing
! z3 v8 m' s4 T" ]done./ _5 Q8 r# g2 W3 l( h {
Wed Nov 6 04:33:00 UTC 2013
. q0 _7 X l. m* A5 oINIT: Entering runlevel: 5
, A1 B8 O1 y* [! Q: ]Starting system message bus: dbus.
; m5 U3 P0 s9 G$ _+ W* W! VStarting Dropbear SSH server: [ 22.869096] ipv6: disagrees about version of symbol inet_recvmsg# @! S, r( _4 D7 d8 A. b- J' h
[ 22.875341] ipv6: Unknown symbol inet_recvmsg (err -22)
) i/ h q! F ] ]% Z" s6 e[ 22.880894] ipv6: disagrees about version of symbol skb_free_datagram Z( o; ]3 ^9 J/ c; }
[ 22.887493] ipv6: Unknown symbol skb_free_datagram (err -22)) |0 x# j) C; j5 n5 o4 R# j. i* \
[ 22.893560] ipv6: disagrees about version of symbol __skb_checksum_complete
8 L+ Y F6 r/ a* T( d; d: C, Y[ 22.900598] ipv6: Unknown symbol __skb_checksum_complete (err -22)
* a4 t9 W: S5 C) D* a0 `7 |8 S2 Y[ 22.907048] ipv6: disagrees about version of symbol register_sysctl_paths
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[ 22.913984] ipv6: Unknown symbol register_sysctl_paths (err -22)
5 O, [6 `0 G b8 W( r7 n[ 22.920203] ipv6: disagrees about version of symbol xfrm_inner_extract_output
+ Y. H! e0 M) E' r2 d! u8 s[ 22.927486] ipv6: Unknown symbol xfrm_inner_extract_output (err -22)9 q h& H* g+ N1 P4 d
[ 22.934104] ipv6: disagrees about version of symbol skb_free_datagram_locked ^4 m' r5 f+ Q& t' p. ?+ l
[ 22.941222] ipv6: Unknown symbol skb_free_datagram_locked (err -22)0 n4 B" [+ h# s1 }$ V
[ 22.947739] ipv6: disagrees about version of symbol sock_i_uid
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就会出现这个问题，请问如何解决. K# r1 ^( A. l
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发表于 2014-11-21 09:56:52
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