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I confined 8250_exar_st16c554.c into board-sam9162ek.c,
and changed from .iobase to .mapbase=(unsigned long) _base, .iotyep = UPIO_MEM32, .flags=(UPF_AUTO_CONFIG | UPF_IOREMAP).
and finally start kernel, some errors happen, where is wrong or something i lost.
here is the log file, when kernel start.
Starting kernel ...
Uncompressing Linux.................................................................................................................................... done, booting the kernel.
Linux version 2.6.30 (root@ubuntu) (gcc version 3.4.1) #39 Sat Jun 11 20:11:42 PDT 2011
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177
CPU: VIVT data cache, VIVT instruction cache
Machine: Atmel AT91SAM9261-EK
Ignoring unrecognised tag 0x54410008
Memory policy: ECC disabled, Data cache writeback
Clocks: CPU 198 MHz, master 99 MHz, main 18.432 MHz
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256
Kernel command line: mem=64M console=tty0 root=/dev/nfs rw nfsroot=192.168.20.11:/home/nfs ip=192.168.20.22:192.168.20.11:192.168.20.1:255.255.255.0::eth0:off
NR_IRQS:192
AT91: 96 gpio irqs in 3 banks
PID hash table entries: 256 (order: 8, 1024 bytes)
Console: colour dummy device 80x30
console [tty0] enabled
console [ttyS0] enabled
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 64MB = 64MB total
Memory: 60664KB available (3800K code, 259K data, 140K init, 0K highmem)
Calibrating delay loop... 99.12 BogoMIPS (lpj=495616)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
net_namespace: 296 bytes
NET: Registered protocol family 16
AT91: Power Management
AT91: Starting after user reset
bio: create slab <bio-0> at 0
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
cfg80211: Calling CRDA to update world regulatory domain
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 2048 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 2048 bind 2048)
TCP reno registered
NET: Registered protocol family 1
NetWinder Floating Point Emulator V0.97 (double precision)
JFFS2 version 2.2. (NAND) (SUMMARY) 漏 2001-2006 Red Hat, Inc.
msgmni has been set to 118
alg: No test for stdrng (krng)
io scheduler noop registered
io scheduler anticipatory registered (default)
atmel_lcdfb atmel_lcdfb.0: 600KiB frame buffer at 23a00000 (mapped at ffc00000)
Console: switching to colour frame buffer device 91x34
atmel_lcdfb atmel_lcdfb.0: fb0: Atmel LCDC at 0x00600000 (mapped at c48b4000), irq 21
Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
brd: module loaded
loop: module loaded
ssc ssc.1: Atmel SSC device at 0xc48c8000 (irq 15)
Driver 'sd' needs updating - please use bus_type methods
dm9000 Ethernet Driver, V1.31
eth0 (dm9000): not using net_device_ops yet
eth0: dm9000a at c48ce000,c48d2044 IRQ 107 MAC: 00:76:50:bc:16:9a (chip)
NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 (Samsung NAND 128MiB 3,3V 8-bit)
AT91 NAND: 8-bit, Software ECC
Scanning device for bad blocks
Bad eraseblock 251 at 0x000001f60000
Bad eraseblock 364 at 0x000002d80000
Bad eraseblock 788 at 0x000006280000
Creating 2 MTD partitions on "atmel_nand":
0x000000000000-0x000000400000 : "Partition 1"
0x000000400000-0x000008000000 : "Partition 2"
atmel_spi atmel_spi.0: Atmel SPI Controller at 0xfffc8000 (irq 12)
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
at91_ohci at91_ohci: AT91 OHCI
at91_ohci at91_ohci: new USB bus registered, assigned bus number 1
at91_ohci at91_ohci: irq 20, io mem 0x00500000
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
udc: at91_udc version 3 May 2006
mice: PS/2 mouse device common for all mice
input: gpio-keys as /class/input/input0
i2c /dev entries driver
rtc-pcf8563 0-0051: chip found, driver version 0.4.3
rtc-pcf8563 0-0051: rtc core: registered rtc-pcf8563 as rtc0
i2c-gpio i2c-gpio: using pins 39 (SDA) and 40 (SCL)
Registered led device: ds7
Registered led device: ds8
Registered led device: ds1
usbcore: registered new interface driver usbhid
usbhid: v2.6:USB HID core driver
Advanced Linux Sound Architecture Driver Version 1.0.20.
at73c213 spi0.3: at73c213: supported bitrate is 48500 (64 divider)
ALSA device list:
#0: AT91SAM9261-EK external DAC on irq 15
TCP cubic registered
NET: Registered protocol family 17
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
lib80211: common routines for IEEE802.11 drivers
rtc-pcf8563 0-0051: pcf8563_get_datetime: read error
rtc-pcf8563 0-0051: hctosys: unable to read the hardware clock
eth0: link down
eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
IP-Config: Complete:
device=eth0, addr=192.168.20.22, mask=255.255.255.0, gw=192.168.20.1,
host=192.168.20.22, domain=, nis-domain=(none),
bootserver=192.168.20.11, rootserver=192.168.20.11, rootpath=
Looking up port of RPC 100003/2 on 192.168.20.11
Looking up port of RPC 100005/1 on 192.168.20.11
VFS: Mounted root (nfs filesystem) on device 0:12.
Freeing init memory: 140K
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = c0004000
[00000000] *pgd=00000000
Internal error: Oops: 5 [#1]
Modules linked in:
CPU: 0 Not tainted (2.6.30 #39)
PC is at tty_open+0x18c/0x400
LR is at tty_open+0xf4/0x400
pc : [<c018dbb8>] lr : [<c018db20>] psr: 60000013
sp : c3817e4c ip : c3817e4c fp : c3817e7c
r10: 00500001 r9 : c340ba2c r8 : 00000001
r7 : 00000000 r6 : c382a620 r5 : 00000000 r4 : c3ad8780
r3 : 00000000 r2 : 00000000 r1 : 0000002b r0 : c03ac970
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 0005317f Table: 20004000 DAC: 00000017
Process swapper (pid: 1, stack limit = 0xc3816260)
Stack: (0xc3817e4c to 0xc3818000)
7e40: 00000002 00000000 c0417724 c340ba2c fffffffa
7e60: 00000000 c382a620 00000003 00000000 c3817ea4 c3817e80 c008f714 c018da3c
7e80: 00000000 c382a620 c340ba2c c008f5d0 c380a2a0 c3406b54 c3817ecc c3817ea8
7ea0: c008b824 c008f5e0 c382a620 c3814660 00000000 c383d000 ffffff9c c383d000
7ec0: c3817eec c3817ed0 c008ba5c c008b6e0 00000000 c3814660 00000000 c3817f14
7ee0: c3817f8c c3817ef0 c00960f0 c008ba20 c3817ee4 c3817f08 00000000 00000000
7f00: 00000002 ffffffff 20000013 00000006 c0424320 c380a2a0 c3406b54 c3817f28
7f20: c006ff9c c006f874 00000101 00000001 00000000 ffffffff c0424500 c0409970
7f40: c3817f6c 00000000 00000000 c3815bc0 c3815bc8 00000000 00000003 00000000
7f60: c382a620 00000000 00000002 00000000 00000000 ffffff9c 00000000 c383d000
7f80: c3817fb8 c3817f90 c008bc28 c0095d3c 00000026 c040a1b8 c00241ac 00000000
7fa0: 00000000 00000000 00000000 c3817fc8 c3817fbc c008bcdc c008bbd0 c3817fdc
7fc0: c3817fcc c002b49c c008bcc8 c040a1b8 c3817ff4 c3817fe0 c0008a54 c002b47c
7fe0: 00000000 00000000 00000000 c3817ff8 c00438c4 c00089a8 00000000 00000000
Backtrace:
[<c018da2c>] (tty_open+0x0/0x400) from [<c008f714>] (chrdev_open+0x144/0x168)
[<c008f5d0>] (chrdev_open+0x0/0x168) from [<c008b824>] (__dentry_open+0x154/0x264)
r8:c3406b54 r7:c380a2a0 r6:c008f5d0 r5:c340ba2c r4:c382a620
[<c008b6d0>] (__dentry_open+0x0/0x264) from [<c008ba5c>] (nameidata_to_filp+0x4c/0x64)
[<c008ba10>] (nameidata_to_filp+0x0/0x64) from [<c00960f0>] (do_filp_open+0x3c4/0x748)
r5:c3817f14 r4:00000000
[<c0095d2c>] (do_filp_open+0x0/0x748) from [<c008bc28>] (do_sys_open+0x68/0xf8)
[<c008bbc0>] (do_sys_open+0x0/0xf8) from [<c008bcdc>] (sys_open+0x24/0x28)
[<c008bcb8>] (sys_open+0x0/0x28) from [<c002b49c>] (init_post+0x30/0x100)
[<c002b46c>] (init_post+0x0/0x100) from [<c0008a54>] (kernel_init+0xbc/0xe4)
r4:c040a1b8
[<c0008998>] (kernel_init+0x0/0xe4) from [<c00438c4>] (do_exit+0x0/0x588)
r5:00000000 r4:00000000
Code: e3550000 1a000011 e59430b0 e51b202c (e5933000)
---[ end trace 1db84f805b9f1bcd ]---
Kernel panic - not syncing: Attempted to kill init!
Backtrace:
[<c002f720>] (dump_backtrace+0x0/0x104) from [<c002f83c>] (dump_stack+0x18/0x1c)
r7:00000005 r6:c040a4fc r5:c3812c40 r4:c3816000
[<c002f824>] (dump_stack+0x0/0x1c) from [<c00413b8>] (panic+0x40/0x10c)
[<c0041378>] (panic+0x0/0x10c) from [<c0043adc>] (do_exit+0x218/0x588)
r3:c03e9e54 r2:c3812c40 r1:c3812c40 r0:c0393814
[<c00438c4>] (do_exit+0x0/0x588) from [<c002f990>] (die+0x134/0x154)
[<c002f85c>] (die+0x0/0x154) from [<c00310c0>] (__do_kernel_fault+0x6c/0x7c)
[<c0031054>] (__do_kernel_fault+0x0/0x7c) from [<c00313f0>] (do_page_fault+0x200/0x220)
r7:c3817e04 r6:00000005 r5:c3812c40 r4:ffffffff
[<c00311f0>] (do_page_fault+0x0/0x220) from [<c0031430>] (do_translation_fault+0x20/0x80)
[<c0031410>] (do_translation_fault+0x0/0x80) from [<c002b228>] (do_DataAbort+0x3c/0xa0)
r5:c03e60a8 r4:ffffffff
[<c002b1ec>] (do_DataAbort+0x0/0xa0) from [<c002b9e0>] (__dabt_svc+0x40/0x60)
Exception stack(0xc3817e04 to 0xc3817e4c)
7e00: c03ac970 0000002b 00000000 00000000 c3ad8780 00000000 c382a620
7e20: 00000000 00000001 c340ba2c 00500001 c3817e7c c3817e4c c3817e4c c018db20
7e40: c018dbb8 60000013 ffffffff
r8:00000001 r7:00000000 r6:c382a620 r5:c3817e38 r4:ffffffff
[<c018da2c>] (tty_open+0x0/0x400) from [<c008f714>] (chrdev_open+0x144/0x168)
[<c008f5d0>] (chrdev_open+0x0/0x168) from [<c008b824>] (__dentry_open+0x154/0x264)
r8:c3406b54 r7:c380a2a0 r6:c008f5d0 r5:c340ba2c r4:c382a620
[<c008b6d0>] (__dentry_open+0x0/0x264) from [<c008ba5c>] (nameidata_to_filp+0x4c/0x64)
[<c008ba10>] (nameidata_to_filp+0x0/0x64) from [<c00960f0>] (do_filp_open+0x3c4/0x748)
r5:c3817f14 r4:00000000
[<c0095d2c>] (do_filp_open+0x0/0x748) from [<c008bc28>] (do_sys_open+0x68/0xf8)
[<c008bbc0>] (do_sys_open+0x0/0xf8) from [<c008bcdc>] (sys_open+0x24/0x28)
[<c008bcb8>] (sys_open+0x0/0x28) from [<c002b49c>] (init_post+0x30/0x100)
[<c002b46c>] (init_post+0x0/0x100) from [<c0008a54>] (kernel_init+0xbc/0xe4)
r4:c040a1b8
[<c0008998>] (kernel_init+0x0/0xe4) from [<c00438c4>] (do_exit+0x0/0x588)
r5:00000000 r4:00000000
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