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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[] = {
: h% Q; E: _ M1 D, } [0] = {4 f( O& @% } ~
.start = DA8XX_AEMIF_CS5_BASE,
: o" P2 F; z" l- m .end = DA8XX_AEMIF_CS5_BASE + SZ_32K - 1,+ U. J% q1 L' N9 w
.flags = IORESOURCE_MEM, t4 h: e& H/ ~5 _) s
},
+ J: p( Z8 Q! Y [1] = {# O; o8 {2 m$ X, h
.start = -1," }1 u2 D3 \% q! k% x
.end = -1,& x J- G* H9 e2 K: u
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,. Y* K3 r3 p% P* q t
},
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};
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static struct platform_device ax88796b_device = {
( z1 y3 X* F t- r* {3 y6 x8 E) ^ .name = "ax88796b",8 [* E: W( ]+ a N5 b2 D9 F
.dev = {* g& I0 B! B6 W+ E/ u. ~7 a3 I
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.num_resources = ARRAY_SIZE(ax88796b_resources),' y6 e- E. B' A# `
.resource = ax88796b_resources,
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static inline void da850_evm_setup_ax88796b(void)
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void __iomem *aemif_addr;& N7 c* G2 k% X0 v8 N; [) j- A
int ret = 0;
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ret = davinci_cfg_reg_list(da850_evm_ax88796b_pins);
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. h6 G6 }8 Q. J& U if(ret)
' X4 P$ E1 m9 Z pr_warning("da850_evm_init: ax88796b mux setup failde:"
' `3 l2 z- b( `' g) E6 y "%d\n", ret);
1 T# j! c2 G+ o1 I9 K w6 B aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
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writel(readl(aemif_addr + DA8XX_AEMIF_CE5CFG_OFFSET) |( G8 `7 O3 y( e/ F3 q4 x, O
DA8XX_AEMIF_ASIZE_16BIT,: Q1 s2 G$ o; Q
aemif_addr + DA8XX_AEMIF_CE5CFG_OFFSET);) [: |; S: e' G7 ?3 L
iounmap(aemif_addr);$ I/ f5 Y/ w. A! n
ax88796b_resources[1].start = gpio_to_irq(DA850_AX88796B_IRQ);
' d' S2 n0 v* O+ S* O) o ax88796b_resources[1].end = ax88796b_resources[1].start;
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3 M- f; C) p# [" J platform_device_register(&ax88796b_device);6 ], \& g3 L* B
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}
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和相关的引脚配置/ F2 D/ z6 D. O2 F: c
编译通过，
" c: f5 B9 t- t0 t7 Y/ E* H! I5 v在板子内核启动过程中：
7 ^! Y5 A1 h7 j0 |5 LINIT: version 2.88 booting9 U J) r/ r' ?4 G% \$ ^9 A
Starting udev; l: o4 j) p1 `8 w, M( X/ Y9 e, K
Starting Bootlog daemon: bootlogd.
0 Q1 a1 D3 o" @$ E5 c w; z, G4 ~ALSA: Restoring mixer settings...; Y9 b2 f& q1 c$ F7 `. j$ P' }) G
/usr/sbin/alsactl: load_state:1686: No soundcards found.... V5 { Z. _- F4 O
Configuring network interfaces... [ 12.665617] davinci_mdio davinci_mdio.0: resetting idled controller2 h" C( @0 K9 \7 r2 n( i3 P3 t
[ 12.672854] net eth0: attached PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=davinci_mdio-0:00, id=7c0f1)
7 k$ B5 r( m6 L: }udhcpc (v1.20.2) started
7 S% \! V$ B* d% a( w. O4 S8 PSending discover...# D3 x6 |8 A$ X8 |% Q5 E- ~
Sending discover...
9 e5 V. V/ U c. X! F" ?Sending discover...
7 V; A7 \1 ?, `No lease, failing
8 a+ h3 H- I% l ^" r' vdone.
* ^9 t* A3 H: k' I9 SWed Nov 6 04:33:00 UTC 2013, g1 Z0 d! ~2 f7 I; m R$ m
INIT: Entering runlevel: 5
: ^6 K/ w5 Y- P nStarting system message bus: dbus.% D+ A G. m2 e& H: U
Starting Dropbear SSH server: [ 22.869096] ipv6: disagrees about version of symbol inet_recvmsg8 m! k1 l/ v% I# _
[ 22.875341] ipv6: Unknown symbol inet_recvmsg (err -22)
, L- j& _' ?& v; ][ 22.880894] ipv6: disagrees about version of symbol skb_free_datagram
$ Z+ n/ R7 {7 ]5 }3 ][ 22.887493] ipv6: Unknown symbol skb_free_datagram (err -22)
0 y) y0 o& {% v, `- G[ 22.893560] ipv6: disagrees about version of symbol __skb_checksum_complete) ^( ?+ L# u: ?, s. u: Q
[ 22.900598] ipv6: Unknown symbol __skb_checksum_complete (err -22)
' p: J# \, j( \$ K: O% p: }[ 22.907048] ipv6: disagrees about version of symbol register_sysctl_paths1 y% [* g. g {
* S/ ]4 _/ t+ X* j5 A! [[ 22.913984] ipv6: Unknown symbol register_sysctl_paths (err -22)
8 H% E' O, U9 D' W[ 22.920203] ipv6: disagrees about version of symbol xfrm_inner_extract_output$ j, K% c. ?0 p% c
[ 22.927486] ipv6: Unknown symbol xfrm_inner_extract_output (err -22)
/ _6 f7 h& a/ v! L, k[ 22.934104] ipv6: disagrees about version of symbol skb_free_datagram_locked
5 _% L. R3 r# U5 ~9 c% u[ 22.941222] ipv6: Unknown symbol skb_free_datagram_locked (err -22)
! o$ H+ H1 @2 B+ S! q# [8 _[ 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
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发表于 2014-11-21 09:56:52
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