U-boot启动过程

U-Boot 1.1.6 (Nov 26 2010 - 08:49:16)

DRAM: 64 MB Flash: 2 MB NAND: 256 MiB

*** Warning - bad CRC or NAND, using default environment

In: serial Out: serial Err: serial

UPLLVal [M:38h,P:2h,S:2h] MPLLVal [M:5ch,P:1h,S:1h] CLKDIVN:5h

+---------------------------------------------+

| S3C2440A USB Downloader ver R0.03 2004 Jan | +---------------------------------------------+ USB: IN_ENDPOINT:1 OUT_ENDPOINT:3

FORMAT: +++ NOTE: Power off/on or press the reset button for 1 sec in order to get a valid USB device address.

Hit any key to stop autoboot: 0

平台开关：NORFLASH 使用SecureCRT软件监控

给嵌入式平台上电或复位时，按PC机键盘的任意键后出现：

##### 100ask Bootloader for OpenJTAG ##### [n] Download u-boot to Nand Flash [o] Download u-boot to Nor Flash [k] Download Linux kernel uImage [j] Download root_jffs2 image [y] Download root_yaffs image [d] Download to SDRAM & Run [z] Download zImage into RAM [g] Boot linux from RAM [f] Format the Nand Flash [s] Set the boot parameters [b] Boot the system [r] Reboot u-boot [q] Quit from menu Enter your selection:

对于“Download”开头的菜单项，它用来启动USB下载，选择这些菜单项后，要在主机上使用DNW工具发送文件。

若不按任何按键，嵌入式平台将进入启动Linux过程。

Booting Linux ...

NAND read: device 0 offset 0x60000, size 0x200000

Reading data from 0x25f800 -- 100% complete. 2097152 bytes read: OK

## Booting image at 30007fc0 ... Image Name: Linux-2.6.22.6

Created: 2013-05-11 7:09:50 UTC

Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 1848668 Bytes = 1.8 MB Load Address: 30008000 Entry Point: 30008000 Verifying Checksum ... OK XIP Kernel Image ... OK

Starting kernel ...

Uncompressing Linux...................................................................................................................... done, booting the kernel.

Linux version 2.6.22.6 (book@book-desktop) (gcc version 3.4.5) #1 Sat May 11 15:09:41 CST 2013 CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177 Machine: SMDK2440

Memory policy: ECC disabled, Data cache writeback CPU S3C2440A (id 0x32440001)

S3C244X: core 400.000 MHz, memory 100.000 MHz, peripheral 50.000 MHz S3C24XX Clocks, (c) 2004 Simtec Electronics

CLOCK: Slow mode (1.500 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: noinitrd root=/dev/mtdblock3 init=/linuxrc console=ttySAC0 irq: clearing subpending status 00000002

PID hash table entries: 256 (order: 8, 1024 bytes)

timertcon=00500000, tcnt a2c1, tcfg 00000200,00000000, usec 00001eb8 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: 60976KB available (3264K code, 458K data, 140K init) Mount-cache hash table entries: 512 CPU: Testing write buffer coherency: ok NET: Registered protocol family 16

S3C2410 Power Management, (c) 2004 Simtec Electronics S3C2440: Initialising architecture S3C2440: IRQ Support

S3C2440: Clock Support, DVS off

S3C24XX DMA Driver, (c) 2003-2004,2006Simtec 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

NetWinder Floating Point Emulator V0.97 (double precision) Registering GDB sysrq handler

JFFS2 version 2.2. (NAND) ? 2001-2006 Red Hat, Inc. yaffs May 11 2013 15:08:01 Installing. io scheduler noop registered

io scheduler anticipatory registered (default) io scheduler deadline registered io scheduler cfq registered

Console: switching to colour frame buffer device 60x34 fb0: s3c2410fb frame buffer device lp: driver loaded but no devices found ppdev: user-space parallel port driver

S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics

Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled

s3c2440-uart.0: s3c2410_serial0 at MMIO map 0x50000000 mem 0xf0400000 (irq = 70) is a S3C2440

s3c2440-uart.1: s3c2410_serial1 at MMIO map 0x50004000 mem 0xf0404000 (irq = 73) is a S3C2440

s3c2440-uart.2: s3c2410_serial2 at MMIO map 0x50008000 mem 0xf0408000 (irq = 76) is a

S3C2440

RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize loop: module loaded

line 400 I/O: c486a000, VID: 90000a46 line 408 I/O: c486a000, VID: 90000a46

error version, chip_revision = 0x1a, chip_info = 0x3 id_val=0

S3C24XX NAND Driver, (c) 2004 Simtec Electronics

s3c2440-nands3c2440-nand: Tacls=3, 30ns Twrph0=7 70ns, Twrph1=3 30ns

NAND device: Manufacturer ID: 0xec, Chip ID: 0xda (Samsung NAND 256MiB 3,3V 8-bit) Scanning device for bad blocks Bad eraseblock 54 at 0x006c0000 Bad eraseblock 482 at 0x03c40000 Bad eraseblock 945 at 0x07620000 Bad eraseblock 977 at 0x07a20000

Creating 4 MTD partitions on \0x00000000-0x00040000 : \0x00040000-0x00060000 : \0x00060000-0x00260000 : \0x00260000-0x10000000 : \

s3c2410-ohcis3c2410-ohci: S3C24XX OHCI

s3c2410-ohcis3c2410-ohci: new USB bus registered, assigned bus number 1 s3c2410-ohcis3c2410-ohci: irq 42, iomem 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...

usbcore: registered new interface driver usb-storage USB Mass Storage support registered.

mice: PS/2 mouse device common for all mice s3c2410TouchScreen successfully loaded

input: s3c2410 TouchScreen as /class/input/input0 S3C24XX RTC, (c) 2004,2006Simtec Electronics s3c2440-i2cs3c2440-i2c: slave address 0x10

s3c2440-i2cs3c2440-i2c: bus frequency set to 390 KHz s3c2440-i2cs3c2440-i2c: i2c-0: S3C I2C adapter mapped channel 0 to 0

s3c2440-sdis3c2440-sdi: powered down. s3c2440-sdis3c2440-sdi: initialisation done.

s3c2440-sdis3c2440-sdi: running at 0kHz (requested: 0kHz).

s3c2440-sdis3c2440-sdi: running at 196kHz (requested: 195kHz). s3c2440-sdis3c2440-sdi: running at 196kHz (requested: 195kHz). s3c2440-sdis3c2440-sdi: running at 196kHz (requested: 195kHz). usbcore: registered new interface driver hiddev

s3c2440-sdis3c2440-sdi: CMD[TIMEOUT] #2 op:UNKNOWN(8) arg:0x000001aa flags:0x0875 retries:0 Status:nothing to complete

s3c2440-sdis3c2440-sdi: CMD[TIMEOUT] #3 op:APP_CMD(55) arg:0x00000000 flags:0x0875 retries:0 Status:nothing to complete

usbcore: registered new interface driver usbhid

drivers/hid/usbhid/hid-core.c: v2.6:USB HID core driver

Advanced Linux Sound Architecture Driver Version 1.0.14 (Thu May 31 09:03:25 2007 UTC). ASoC version 0.13.1

s3c2440-sdis3c2440-sdi: CMD[TIMEOUT] #4 op:APP_CMD(55) arg:0x00000000 flags:0x0875 retries:0 Status:nothing to complete

s3c2440-sdis3c2440-sdi: CMD[TIMEOUT] #5 op:APP_CMD(55) arg:0x00000000 flags:0x0875 retries:0 Status:nothing to complete s3c2410iis_probe...

s3c2440-sdis3c2440-sdi: CMD[TIMEOUT] #6 op:APP_CMD(55) arg:0x00000000 flags:0x0875 retries:0 Status:nothing to complete

s3c2440-sdis3c2440-sdi: CMD[TIMEOUT] #7 op:ALL_SEND_OCR(1) arg:0x00000000 flags:0x0861 retries:0 Status:nothing to complete s3c2440-sdis3c2440-sdi: powered down. UDA1341 audio driver initialized ALSA device list:

No soundcards found. TCP cubic registered

NET: Registered protocol family 1

drivers/rtc/hctosys.c: unable to open rtc device (rtc0) UDF-fs: No partition found (1)

yaffs: dev is 32505859 name is \yaffs: passed flags \

yaffs: Attempting MTD mount on 31.3, \yaffs: auto selecting yaffs2 block 36 is bad block 464 is bad block 927 is bad block 959 is bad

VFS: Mounted root (yaffsfilesystem). Freeing init memory: 140K

init started: BusyBox v1.7.0 (2008-01-22 10:04:09 EST) startingpid 764, tty '': '/etc/init.d/rcS'

Please press Enter to activate this console. tsdev (compaq touchscreen emulation) is scheduled for removal.

See Documentation/feature-removal-schedule.txt for details.

Warning: TimeZone::data Can't create a valid data object for 'Europe/Oslo' Warning: could not register server

process '-/bin/sh' (pid 772) exited. Scheduling it for restart.

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