本帖最后由 FSL_TICS_A 于 2014-8-7 15:53 編輯

客戶用imx25設計產品，目前板子能成功下載，并且uboot能起來，但在kenerl 解壓失敗， CRC 較驗出錯了。能幫忙分析該問題的方向么？客戶用的Nand flash是K9F1G08U0A-JIB0, DDR2是K4T51163QC-ZCD5。以下是客戶樣機的log信息。

U-Boot 2009.08 ( 7月 04 2014 - 09:14:34)

U-Boot code: 83F00560 -> 83F30F50??BSS: -> 83F66AE0

CPU:? ?Freescale i.MX25 at 398 MHz

mx25 cpu clock: 398MHz

ipg clock? ???: 66498560Hz

Board: i.MX25 MAX PDK (3DS)

I2C:? ?ready

RAM Configuration:

Bank #0: 80000000 64 MB

NAND:??Manufacturer? ?? ?: Samsung (0xec)

Device Code? ?? ? : 0xf1

Cell Technology? ?: SLC

Chip Size? ?? ?? ?: 128 MiB

Pages per Block? ?: 64

Page Geometry? ???: 2048+64

ECC Strength? ?? ?: 4 bits

ECC Size? ?? ?? ? : 512 B

Data Setup Time? ?: 35 ns

Data Hold Time? ? : 25 ns

Address Setup Time: 0 ns

GPMI Sample Delay : 6 ns

tREA? ?? ?? ?? ???: Unknown

tRLOH? ?? ?? ?? ? : Unknown

tRHOH? ?? ?? ?? ? : Unknown

Description? ?? ? : K9F1F08

Bad block table found at page 65472, version 0x01

Bad block table found at page 65408, version 0x01

nand_read_bbt: Bad block at 0x01ca0000

nand_read_bbt: Bad block at 0x06360000

128 MiB

MMC:? ?FSL_ESDHC: 0

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

In:? ? serial

Out:? ?serial

Err:? ?serial

i2c_addr:chip address cycle fail(a1)

div = 4

reg_ctrl = 0x2

ctrl_reg=0x2d00003

control reg = 0x02d00007

ctrl_reg=0x2d00003

control reg = 0x02d00007

ctrl_reg=0x2d00003

control reg = 0x02d00007

ctrl_reg=0x2d00003

control reg = 0x02d00007

ctrl_reg=0x2d00003

control reg = 0x02d00007

ctrl_reg=0x2d00003

control reg = 0x02d00007

ctrl_reg=0x2d00003

control reg = 0x02d00007

ctrl_reg=0x2d00003

control reg = 0x02d00007

ctrl_reg=0x2d00003

control reg = 0x02d00007

ctrl_reg=0x2d00003

control reg = 0x02d00007

ctrl_reg=0x2d00003

control reg = 0x02d00007

ctrl_reg=0x2d00003

control reg = 0x02d00007

Net:? ?ctrl_reg=0x2d00003

control reg = 0x02d00007

ctrl_reg=0x2d00003

control reg = 0x02d00007

FEC0

### main_loop entered: bootdelay=3

### main_loop: bootcmd="run bootcmd_nand"

Hit any key to stop autoboot:??0

NAND read: device 0 offset 0x300000, size 0x200000

2097152 bytes read: OK

*??kernel: default image load address = 0x80800000

## Booting kernel from Legacy Image at 80800000 ...

Image Name:? ?Linux-2.6.31-203-gee1fdae

Image Type:? ?ARM Linux Kernel Image (uncompressed)

Data Size:? ? 2021912 Bytes =??1.9 MB

Load Address: 80008000

Entry Point:??80008000

Verifying Checksum ... OK

kernel data at 0x80800040, len = 0x001eda18 (2021912)

## No init Ramdisk

ramdisk start = 0x00000000, ramdisk end = 0x00000000

Loading Kernel Image ... OK

OK

kernel loaded at 0x80008000, end = 0x801f5a18

## Transferring control to Linux (at address 80008000) ...

Starting kernel ...

Uncompressing Linux......................................................................................................................................

crc error

-- System halted

總結

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