Help:SB5101 Detect FLASH : Unknown

[superkid139]

Read IDCODE: 0x0334917f
Manufacturer: Broadcom
Part: BCM3349
Version: 0x0
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Create & Clear RAM Buffer (0x80000000 - 0x80800000)
Load Configuration File: bcm3349.def
IR Length: 0x5
Endian: Big
Protocol: EJTAG
RAM Start Address: 0x80000000
RAM Size: 0x800000
FLASH Start Address: 0x9fc00000
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Read IMPCODE: 0x00800904
EJTAG Version: 1 or 2.0
EJTAG DMA Support: Yes
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Detect FLASH : Unknown (Manufacturer’s: 0xffff Device: 0xffff)

any solution....i try re flash but no use..