I got an issue (Bad Data CRC)...that is mention in the following log print..
DM355 Initialization done
UBL: detected valid U-Boot magic number
UBL: booting to U-Boot
U-Boot 1.2.0 (Aug 26 2011 - 12:20:42)
DRAM: 256 MB
NAND: NAND device: Manufacturer ID: 0x2c, Chip ID: 0xda (Micron NAND 256MiB 3,3V 8-bit)
Bad block table found at page 131008, version 0x01
Bad block table found at page 130944, version 0x01
nand_read_bbt: Bad block at 0x01080000
nand_read_bbt: Bad block at 0x034a0000
nand_read_bbt: Bad block at 0x046e0000
nand_read_bbt: Bad block at 0x05720000
nand_read_bbt: Bad block at 0x085a0000
nand_read_bbt: Bad block at 0x0a0a0000
nand_read_bbt: Bad block at 0x0c760000
256 MiB
In: serial
Out: serial
Err: serial
ARM Clock :- 270MHz
DDR Clock :- 216MHz
Hit any key to stop autoboot: 3 2 1 0
NAND read: device 0 offset 0xc00000, size 0x500000
Reading data from 0xc00000 -- 0% complete.
Reading data from 0xc0c800 -- 1% complete.
Reading data from 0xc19800 -- 2% complete.
Reading data from 0xc26000 -- 3% complete.
Reading data from 0xc33000 -- 4% complete.
Reading data from 0xc3f800 -- 5% complete.
Reading data from 0xc4c800 -- 6% complete.
Reading data from 0xc59800 -- 7% complete.
Reading data from 0xc66000 -- 8% complete.
Reading data from 0xc73000 -- 9% complete.
Reading data from 0xc7f800 -- 10% complete.
Reading data from 0xc8c800 -- 11% complete.
Reading data from 0xc99800 -- 12% complete.
Reading data from 0xca6000 -- 13% complete.
Reading data from 0xcb3000 -- 14% complete.
Reading data from 0xcbf800 -- 15% complete.
Reading data from 0xccc800 -- 16% complete.
Reading data from 0xcd9800 -- 17% complete.
Reading data from 0xce6000 -- 18% complete.
Reading data from 0xcf3000 -- 19% complete.
Reading data from 0xcff800 -- 20% complete.
Reading data from 0xd0c800 -- 21% complete.
Reading data from 0xd19800 -- 22% complete.
Reading data from 0xd26000 -- 23% complete.
Reading data from 0xd33000 -- 24% complete.
Reading data from 0xd3f800 -- 25% complete.
Reading data from 0xd4c800 -- 26% complete.
Reading data from 0xd59800 -- 27% complete.
Reading data from 0xd66000 -- 28% complete.
Reading data from 0xd73000 -- 29% complete.
Reading data from 0xd7f800 -- 30% complete.
Reading data from 0xd8c800 -- 31% complete.
Reading data from 0xd99800 -- 32% complete.
Reading data from 0xda6000 -- 33% complete.
Reading data from 0xdb3000 -- 34% complete.
Reading data from 0xdbf800 -- 35% complete.
Reading data from 0xdcc800 -- 36% complete.
Reading data from 0xdd9800 -- 37% complete.
Reading data from 0xde6000 -- 38% complete.
Reading data from 0xdf3000 -- 39% complete.
Reading data from 0xdff800 -- 40% complete.
Reading data from 0xe0c800 -- 41% complete.
Reading data from 0xe19800 -- 42% complete.
Reading data from 0xe26000 -- 43% complete.
Reading data from 0xe33000 -- 44% complete.
Reading data from 0xe3f800 -- 45% complete.
Reading data from 0xe4c800 -- 46% complete.
Reading data from 0xe59800 -- 47% complete.
Reading data from 0xe66000 -- 48% complete.
Reading data from 0xe73000 -- 49% complete.
Reading data from 0xe7f800 -- 50% complete.
Reading data from 0xe8c800 -- 51% complete.
Reading data from 0xe99800 -- 52% complete.
Reading data from 0xea6000 -- 53% complete.
Reading data from 0xeb3000 -- 54% complete.
Reading data from 0xebf800 -- 55% complete.
Reading data from 0xecc800 -- 56% complete.
Reading data from 0xed9800 -- 57% complete.
Reading data from 0xee6000 -- 58% complete.
Reading data from 0xef3000 -- 59% complete.
Reading data from 0xeff800 -- 60% complete.
Reading data from 0xf0c800 -- 61% complete.
Reading data from 0xf19800 -- 62% complete.
Reading data from 0xf26000 -- 63% complete.
Reading data from 0xf33000 -- 64% complete.
Reading data from 0xf3f800 -- 65% complete.
Reading data from 0xf4c800 -- 66% complete.
Reading data from 0xf59800 -- 67% complete.
Reading data from 0xf66000 -- 68% complete.
Reading data from 0xf73000 -- 69% complete.
Reading data from 0xf7f800 -- 70% complete.
Reading data from 0xf8c800 -- 71% complete.
Reading data from 0xf99800 -- 72% complete.
Reading data from 0xfa6000 -- 73% complete.
Reading data from 0xfb3000 -- 74% complete.
Reading data from 0xfbf800 -- 75% complete.
Reading data from 0xfcc800 -- 76% complete.
Reading data from 0xfd9800 -- 77% complete.
Reading data from 0xfe6000 -- 78% complete.
Reading data from 0xff3000 -- 79% complete.
Reading data from 0xfff800 -- 80% complete.
Reading data from 0x100c800 -- 81% complete.
Reading data from 0x1019800 -- 82% complete.
Reading data from 0x1026000 -- 83% complete.
Reading data from 0x1033000 -- 84% complete.
Reading data from 0x103f800 -- 85% complete.
Reading data from 0x104c800 -- 86% complete.
Reading data from 0x1059800 -- 87% complete.
Reading data from 0x1066000 -- 88% complete.
Reading data from 0x1073000 -- 89% complete.
Reading data from 0x107f800 -- 90% complete.
Bad block at 0x1080000 in erase block from 0x1080000 will be skipped
Reading data from 0x10ac800 -- 91% complete.
Reading data from 0x10b9800 -- 92% complete.
Reading data from 0x10c6000 -- 93% complete.
Reading data from 0x10d3000 -- 94% complete.
Reading data from 0x10df800 -- 95% complete.
Reading data from 0x10ec800 -- 96% complete.
Reading data from 0x10f9800 -- 97% complete.
Reading data from 0x1106000 -- 98% complete.
Reading data from 0x1113000 -- 99% complete.
Reading data from 0x111f800 -- 100% complete.
5242880 bytes read: OK
NAND read: device 0 offset 0x500000, size 0x200000
Reading data from 0x500000 -- 0% complete.
Reading data from 0x505000 -- 1% complete.
Reading data from 0x50a000 -- 2% complete.
Reading data from 0x50f000 -- 3% complete.
Reading data from 0x514000 -- 4% complete.
Reading data from 0x519800 -- 5% complete.
Reading data from 0x51e800 -- 6% complete.
Reading data from 0x523800 -- 7% complete.
Reading data from 0x528800 -- 8% complete.
Reading data from 0x52e000 -- 9% complete.
Reading data from 0x533000 -- 10% complete.
Reading data from 0x538000 -- 11% complete.
Reading data from 0x53d000 -- 12% complete.
Reading data from 0x542800 -- 13% complete.
Reading data from 0x547800 -- 14% complete.
Reading data from 0x54c800 -- 15% complete.
Reading data from 0x551800 -- 16% complete.
Reading data from 0x557000 -- 17% complete.
Reading data from 0x55c000 -- 18% complete.
Reading data from 0x561000 -- 19% complete.
Reading data from 0x566000 -- 20% complete.
Reading data from 0x56b800 -- 21% complete.
Reading data from 0x570800 -- 22% complete.
Reading data from 0x575800 -- 23% complete.
Reading data from 0x57a800 -- 24% complete.
Reading data from 0x57f800 -- 25% complete.
Reading data from 0x585000 -- 26% complete.
Reading data from 0x58a000 -- 27% complete.
Reading data from 0x58f000 -- 28% complete.
Reading data from 0x594000 -- 29% complete.
Reading data from 0x599800 -- 30% complete.
Reading data from 0x59e800 -- 31% complete.
Reading data from 0x5a3800 -- 32% complete.
Reading data from 0x5a8800 -- 33% complete.
Reading data from 0x5ae000 -- 34% complete.
Reading data from 0x5b3000 -- 35% complete.
Reading data from 0x5b8000 -- 36% complete.
Reading data from 0x5bd000 -- 37% complete.
Reading data from 0x5c2800 -- 38% complete.
Reading data from 0x5c7800 -- 39% complete.
Reading data from 0x5cc800 -- 40% complete.
Reading data from 0x5d1800 -- 41% complete.
Reading data from 0x5d7000 -- 42% complete.
Reading data from 0x5dc000 -- 43% complete.
Reading data from 0x5e1000 -- 44% complete.
Reading data from 0x5e6000 -- 45% complete.
Reading data from 0x5eb800 -- 46% complete.
Reading data from 0x5f0800 -- 47% complete.
Reading data from 0x5f5800 -- 48% complete.
Reading data from 0x5fa800 -- 49% complete.
Reading data from 0x5ff800 -- 50% complete.
Reading data from 0x605000 -- 51% complete.
Reading data from 0x60a000 -- 52% complete.
Reading data from 0x60f000 -- 53% complete.
Reading data from 0x614000 -- 54% complete.
Reading data from 0x619800 -- 55% complete.
Reading data from 0x61e800 -- 56% complete.
Reading data from 0x623800 -- 57% complete.
Reading data from 0x628800 -- 58% complete.
Reading data from 0x62e000 -- 59% complete.
Reading data from 0x633000 -- 60% complete.
Reading data from 0x638000 -- 61% complete.
Reading data from 0x63d000 -- 62% complete.
Reading data from 0x642800 -- 63% complete.
Reading data from 0x647800 -- 64% complete.
Reading data from 0x64c800 -- 65% complete.
Reading data from 0x651800 -- 66% complete.
Reading data from 0x657000 -- 67% complete.
Reading data from 0x65c000 -- 68% complete.
Reading data from 0x661000 -- 69% complete.
Reading data from 0x666000 -- 70% complete.
Reading data from 0x66b800 -- 71% complete.
Reading data from 0x670800 -- 72% complete.
Reading data from 0x675800 -- 73% complete.
Reading data from 0x67a800 -- 74% complete.
Reading data from 0x67f800 -- 75% complete.
Reading data from 0x685000 -- 76% complete.
Reading data from 0x68a000 -- 77% complete.
Reading data from 0x68f000 -- 78% complete.
Reading data from 0x694000 -- 79% complete.
Reading data from 0x699800 -- 80% complete.
Reading data from 0x69e800 -- 81% complete.
Reading data from 0x6a3800 -- 82% complete.
Reading data from 0x6a8800 -- 83% complete.
Reading data from 0x6ae000 -- 84% complete.
Reading data from 0x6b3000 -- 85% complete.
Reading data from 0x6b8000 -- 86% complete.
Reading data from 0x6bd000 -- 87% complete.
Reading data from 0x6c2800 -- 88% complete.
Reading data from 0x6c7800 -- 89% complete.
Reading data from 0x6cc800 -- 90% complete.
Reading data from 0x6d1800 -- 91% complete.
Reading data from 0x6d7000 -- 92% complete.
Reading data from 0x6dc000 -- 93% complete.
Reading data from 0x6e1000 -- 94% complete.
Reading data from 0x6e6000 -- 95% complete.
Reading data from 0x6eb800 -- 96% complete.
Reading data from 0x6f0800 -- 97% complete.
Reading data from 0x6f5800 -- 98% complete.
Reading data from 0x6fa800 -- 99% complete.
Reading data from 0x6ff800 -- 100% complete.
2097152 bytes read: OK
## Booting image at 80700000 ...
Image Name: Linux-2.6.10_mvl401
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 1594772 Bytes = 1.5 MB
Load Address: 80008000
Entry Point: 80008000
Verifying Checksum ... Bad Data CRC
DM355 EVM #
I am using u-boot in the version of "u-boot 1.2.0"
In my starting stage I got this same issue (Bad Data CRC)..
Now...I did some modification in u-boot board / dm355_evm / nand.c file
Line Number : 475
case NAND_ECC_READSYN:
/*
* Our ECC calculation has already been terminated, so no need
* to do anything here.
*/
val = (*(dv_reg_p) NAND4BITECC1);
break;
case NAND_ECC_WRITESYN:
default:
break;
Now It's working fine..
But..I don't know the technical reason behind it...
If any one know the reason ....let me update please...