안녕하세요

 

EZ-S3C2440를 구입해서 사용하다가, 자체 보드를 만들어서 구현해 봤습니다.

 

그런데, 문제가 발생하여 아래에서 더이상 진행이 되지 않습니다.

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WELCOME EZBOOT V2.4.10 (FALINUX Co.,Ltd) ......S3C2440(EZ-S3C2440) (400MHz)
Program by You Young-chang, Oh Jae-Kyong, Jang Hyung-Gi
Last Modify Jun 17 2011

  Detect Samsung NAND 512M 3.3V 8 bit Flash : vid=EC pid=DC
  SIZE 512-Mbytes (page=2048, block=128K oob=64) SLC

  diff magic [flash:20090212]
  clear lcd .....

Quickly Autoboot [ENTER] / Goto BOOT-MENU press [space bar]......

Copy Kernel Image .....
Copy Ramdisk Image .....
Starting kernel [MARCH 3007]...
kernel command [EZBOOT mem=64M initrd=0x30800000,5M root=/dev/ram0 ramdisk=16384
 console=ttySAC2,115200 video=ezfb:panel:2   ip0=192.168.10.183 mac=00:FA:01:A2:
13:04 netmask=255.255.255.0 gw=192.168.10.1 host=192.168.10.27 nandparts=2,8,54
]
Uncompressing Linux.............................................................
............................................................. done, booting the
kernel.
Linux version 2.6.21-falinux (root@hw27) (gcc version 3.4.3) #8 Thu Jul 1 18:49:
11 KST 2010
CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177
Machine: www.falinux.com EZ-S3C2440 for S3C2440 Board
Memory policy: ECC disabled, Data cache writeback
CPU S3C2440A (id 0x32440001)
S3C244X: core 399.651 MHz, memory 133.217 MHz, peripheral 66.608 MHz
S3C24XX Clocks, (c) 2004 Simtec Electronics
CLOCK: Slow mode (2.116 MHz), fast, MPLL on, UPLL on
CPU0: D VIVT write-back cache
CPU0: I cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
CPU0: D cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
Built 1 zonelists.  Total pages: 16256
Kernel command line: EZBOOT mem=64M initrd=0x30800000,5M root=/dev/ram0 ramdisk=
16384 console=ttySAC2,115200 video=ezfb:panel:2   ip0=192.168.10.183 mac=00:FA:0
1:A2:13:04 netmask=255.255.255.0 gw=192.168.10.1 host=192.168.10.27 nandparts=2,
8,54
irq: clearing pending status 00000400
irq: clearing subpending status 00000080
PID hash table entries: 256 (order: 8, 1024 bytes)
timer tcon=00000009, tcnt 2b5c, tcfg 000002ff,00003333, usec 0000170f
Console: colour dummy device 80x30
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: 55856KB available (3360K code, 391K data, 140K init)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
S3C2440: Initialising architecture
S3C2440: IRQ Support
S3C2440: Clock Support, DVS off
S3C24XX DMA Driver, (c) 2003-2004,2006 Simtec Electronics
DMA channel 0 at c4800000, irq 33
DMA channel 1 at c4800040, irq 34
DMA channel 2 at c4800080, irq 35
DMA channel 3 at c48000c0, irq 36
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
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
checking if image is initramfs...it isn't (no cpio magic); looks like an initrd
Freeing initrd memory: 5120K
NetWinder Floating Point Emulator V0.97 (double precision)
audit: initializing netlink socket (disabled)
audit(2.788:1): initialized
yaffs Jul  1 2010 18:31:30 Installing.
io scheduler noop registered (default)
s3c2410-lcd s3c2410-lcd: options are "panel:2"
Console: switching to colour frame buffer device 80x30
fb0: s3c2410fb frame buffer device ( 640x480x16 )
S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics
s3c2440-uart.0: ttySAC0 at MMIO 0x50000000 (irq = 70) is a S3C2440
s3c2440-uart.1: ttySAC1 at MMIO 0x50004000 (irq = 73) is a S3C2440
s3c2440-uart.2: ttySAC2 at MMIO 0x50008000 (irq = 76) is a S3C2440
RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize
loop: loaded (max 8 devices)
usbcore: registered new interface driver ub
Linux video capture interface: v2.00
S3C24XX NAND Driver, (c) 2004 Simtec Electronics
s3c2440-nand s3c2440-nand: Tacls=3, 22ns Twrph0=8 60ns, Twrph1=3 22ns
NAND device: Manufacturer ID:0xec, Chip ID:0xdc (Samsung NAND 512MiB 3,3V 8-bit)
Scanning device for bad blocks
count of bad blocks = 6
Creating 3 MTD partitions on "NAND 512MiB 3,3V 8-bit":
0x00000000-0x00200000 : "falinux boot/config/logo partition"
0x00200000-0x00a00000 : "falinux kernel/ramdisk partition"
0x00a00000-0x04000000 : "falinux yaffs partition"
s3c2410-ohci s3c2410-ohci: S3C24XX OHCI
s3c2410-ohci s3c2410-ohci: new USB bus registered, assigned bus number 1
s3c2410-ohci s3c2410-ohci: irq 42, io mem 0x49000000
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...
usb 1-1: new full speed USB device using s3c2410-ohci and address 2
usb 1-1: configuration #1 chosen from 1 choice
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
usbcore: registered new interface driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
mice: PS/2 mouse device common for all mice
s3c2410 TouchScreen successfully loaded
input: s3c2410 TouchScreen as /class/input/input0
S3C24XX RTC, (c) 2004,2006 Simtec Electronics
s3c2410-rtc s3c2410-rtc: rtc disabled, re-enabling
s3c2410-rtc s3c2410-rtc: rtc core: registered s3c as rtc0
i2c /dev entries driver
s3c2440-i2c s3c2440-i2c: slave address 0x10
s3c2440-i2c s3c2440-i2c: bus frequency set to 378 KHz
s3c2440-i2c s3c2440-i2c: i2c-0: S3C I2C adapter
mapped channel 0 to 0
s3c2440-sdi s3c2440-sdi: initialisation done.
Advanced Linux Sound Architecture Driver Version 1.0.14rc3.
ASoC version 0.13.0
AC97 SoC Audio Codec 0.6
asoc: AC97 HiFi <-> s3c2440-ac97 mapping ok

 

SDRAM (128Mb *2ea)로 바꾼건 말고 없는데, 이유가 뭔지 모르겠습니다.

다음동작이

ALSA device list:   <== 이 항목이 뭘 의미하지는 궁금합니다.