1. How to automatically fix single-bit errors?

=> mw 0x1080e04 0x1 1
=> mw 0x1080e08 0x100 1
=> md 0x1080e40 1
01080e40: 80000004                               ....
=> md 0x1080e58 1
01080e58: 00000083                               ....
=> md 0x1080e20 1
01080e20: 806b0a00                               ..k.
=> md 0x1080e24 1
01080e24: aa930b01                               ....
=> md 0x1080e28 1
01080e28: 4a4a4a4a                               JJJJ

=> mw 0x1080260 0x41000000 1
=> mw 0x1080e08 0x0 1
=> md 0x1080e58 1
01080e58: 000000d6                               ....
=> md 0x1080e58 1
01080e58: 000000d6                               ....
=> md 0x1080e40 1
01080e40: 80000004                               ....

// after setting ECC_FIX_EN and ECC_SCRUB_INT, the low data path and ecc bits didn't change.
=> md 0x1080e20 1
01080e20: 806b0a00                               ..k.
=> md 0x1080e24 1
01080e24: aa930b01                               ....
=> md 0x1080e28 1
01080e28: 4a4a4a4a                               JJJJ


2. How to generate ECC error interrupt?
=> md 0x1080e48 1
01080e48: 00000000                               ....

// setting SBEE to 1 
=> mw 0x1080e48 0x4 1
=> md 0x1080e48 1
01080e48: 00000004                               ....
=> mw 0x1080e04 0x1 1
=> mw 0x1080e08 0x100 1
=> mw 0x1080e08 0x0 1
=> md 0x1080e40 1
01080e40: 80000004                               ....
=> md 0x1080e58 1
01080e58: 000000cb                               ....
=> md 0x1080e58 1
01080e58: 000000cb                               ....

// no interrupt message on uboot