[Suzaku:01950] Re: Kernel エラー
mizo
email@hidden
2010年 9月 3日 (金) 16:21:43 JST
$B9B^<$G$9!#(B
Nobuaki Sugishima wrote:
> $B9B^<MM(B
>
> $B!!?WB.BP1~$"$j$,$H$&$4$6$$$^$9!#(B
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> $B!!;d$NL\2<$N4X?4;v$O3d$j9~$_$email@hidden>o$K<B9T$5$l$J$$$3$H$G$9!#(B
>
> __raw_writel(slvReg1[i], addrAut);
>
> $B$email@hidden>o$K<B9T$5$l$J$$$H$-!"$$$+$J$k%I%i%$%P$N%"%i!<%`$bH/@8$7$^$;$s!#0l8+(B
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$B3d$j9~$_$,F~$C$F$$$k$3$H$O3NG'$G$-$?$,!"(B__raw_writel()$B$,<B9T$5$l$J$$$H$$$&(B
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> $B?dDj860x$N0l$D$O%?%$%^!<3d$j9~$_0J30$N3d$j9~$_$G$9!#(B
>
> $B%?%$%^!<3d$j9~$_$O#i#n#i#t!J!KCf$G!"(B
>
> static int __init my_init_module(void)
> {
> int ret;
> u32 my_addr_isr_offset;
>
> pr_info(DEV_NAME" ("DEV_VER") : MY Driver of MY I/O Board\n");
>
> sema_init(&sem, 1);
>
> myAddrOrg = XPAR_MY_CNTLR_BASEADDR;
> addOrg = (u32 *)ioremap_nocache(XPAR_MY_CNTLR_BASEADDR,
> XPAR_MY_CNTLR_REMAP_SIZE);
> if (addOrg == NULL) {
> printk(KERN_ERR "ioremap failed\n");
> return -EIO;
> }
> ret = register_chrdev(DEV_MAJOR, DEV_NAME, &my_fops); // Driver info.
> registered to kurnel table
> if (ret < 0) {
> iounmap(addOrg);
> return ret;
> }
> addMan = (u32 *)ioremap_nocache(myAddrOrg + OFFSET_MAN, sizeof(unsigned
> long)); // Aut Out
> addAut = (u32 *)ioremap_nocache(myAddrOrg + OFFSET_AUT, sizeof(unsigned
> long)); // Man Out
> addInp = (u32 *)ioremap_nocache(myAddrOrg + OFFSET_INP, sizeof(unsigned
> long)); // Inp
>
> // $B3d$j9~$email@hidden%P%C%U%!!"(BSDRAM$B$K3NJ](B PAGESIZE=0x1000
> pageBuf0 = (u32 *) kmalloc(sizeof(u32) * PAGESIZE, GFP_KERNEL); //
> kmalloc$B$N>e8B!'(B128KB
>
> // $B3d$j9~$_MW5a$NEPO?!!!!(Btimer_interrupt : $B3d$j9~$_%O%s%I%i!!(B
> IRQF_DISABLED : $BB?=E3d$j9~$_6X;_!)(B
> ret = request_irq(irq_timer, timer_interrupt, IRQF_DISABLED, DEV_NAME,
> dev_id);
> if (ret)
> printk(KERN_ERR "timer_interrupt failed\n");
>
> // IntrStatus $B3JG<%"%I%l%9$r<hF@!'(B0xF0FFD000 + 0x00000100 + 0x00000020 =
> 0xF0FFD00120
> #define XPS_MY00_INTR_CNTRL_SPACE_OFFSET (0x00000100)
> #define XPS_MY00_INTR_IPISR_OFFSET (XPS_MY00_INTR_CNTRL_SPACE_OFFSET +
> 0x00000020)
> my_addr_isr_offset = XPAR_MY_CNTLR_BASEADDR + XPS_MY00_INTR_IPISR_OFFSET;
> my_addr_isr = (u32 *)ioremap_nocache(my_addr_isr_offset, sizeof(unsigned
> long)); // Linux$B%"%I%l%9$KJQ49(B
>
> addMaskOffset = (u32 *)ioremap_nocache(XPAR_INTC_SYSTEM_BASEADDR +
> XPAR_MY_CNTLR_IP2INTC_IRPT_MASK, sizeof(unsigned long));
>
> ptRead = 0; // $B!!(Bread Pointer
> ptWrite = 0; // $BJ'$$=P$7%]%$%s%?$r=i4|2=(B
> autoRegNo = 0; // clockNo x 4
> runFlag = false; // $B%I%i%$%PB&$G(BReset$B$7$F$*$/(B
>
> // spin_lock_init(&sync_spinlock);
>
> return ret;
> }
>
> $B$N$h$&$KEPO?$5$l$?(Btimer_interrupt()$B$G$9$+$i!"%?%$%^!<%/%m%C%/0J30$N(BEvent
> $B$G$3$l$,5/F0$9$k$3$H$O9M$($K$/$/!"2>$K%H%j%,!<$,$+$+$C$F$bB?=E3d$j9~$_$O(B
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>
> $B!!$7$+$7J'=P$7=*N;8e!"(BEthernet$B%"%/%;%9$r$9$k$H(Btimer_interrupt()$B$KF~$C$F(B
> $B$/$k$3$H$,$"$j$^$9!#$3$N$H$-$O(BrunFlag=false$B$J$N$G(B
>
> timer_interrupt(int irq_timer, void *dev_id, struct pt_regs *regs)
> {
>
> $B!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&(B
> if (runFlag == true){
>
> $B!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&(B
> __raw_writel(slvReg1[i], addrAut); // $BJ'=P!!%O!<%I$K=PNO(B $B-!!!IT(B
> $B!!!!(BptWrite++; // $email@hidden;;J'$$=P$7%]%$%s%?(B
> }
> else if (ptWrite == regNo){
> cmdDev &= ~(1 << CMDBIT_AUT);
> __raw_writel(cmdDev, addrMan); // $B%/%m%C%/Dd;_(BCommand
> ptWrite = 0; // Pointer Clear
> runFlag = false; // $B0J9_$NJ'=P$r6X;_$9$k(BFlag
> }
> else{
> $B"M(B cmdDev &= ~(1 << CMDBIT_AUT);
> __raw_writel(cmdDev, addrMan); // $B%/%m%C%/Dd;_(BCommand
> }
> $B!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&!&(B
>
> return IRQ_HANDLED;
> }
>
> $B0lEY(BRUN$BF0:n$r9T$o$;!"(BEthernet$B$rA`:n$9$k$H"M$N0LCV$K3d$j9~$_$,F~$C$F$/$k$3(B
> $B$H$,$"$j$^$9!#(B
> $BM}M3$O$o$+$j$^$;$s!#(B
>
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>
> $B!!(BENABLEMASK : 0xb
> DIABKEMASK : 0x7
>
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>
> $B%^%9%/$N%S%C%H%"%5%$%s$r$*65$(4j$($^$9$+!)(B
spin_lock_irqsave()
$B$r;H$C$F$O$$$+$,$G$7$g$&$+!)(B
> $B!!$7$+$7(B $B#K#e#r#n#e#l$G<B9T$5$l$kC1=c$J#1L?Na(B
> __raw_writel(slvReg1[i], addrAut);
> $B$,ESCf$G#F#a#i#t#a#l>c32$K$J$kM}M3$O$*$=$i$/JL$N$H$3$m$K$"$k$N$G$7$g$&!#(B
>
> $B!!2r7h$N%R%s%H$O$J$$$G$7$g$&$+!)!#(B
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