[U-Boot-Users] Problem with Lite5200 DDR configuration

Prakash Palanisamy, TLS-Chennai prakashp at hcl.in
Thu Sep 27 11:41:00 CEST 2007



We are using u-Boot in Lite5200B with DDR. We compiled the u-Boot with
"icecube_5200_DDR_LOWBOOT_config" option and flashed the image in to
flash at 0xFF800000. 


The problem we are facing is, 


The image is booting only if we flash the image in both (0xFF800000 and
0xFF000000) places. The reset vector for the two configurations
(icecube_5200_LOWBOOT & icecube_5200_DDR_LOWBOOT) are same. 


We have tried by writing different images in these locations and found
that the booted image is the one which is flashed in 0xFF800000. But if
erase the image at 0xFF000000, it is not booting.



In the README for Icecube is as follows



Build target                Flash address | BDI "go" command | Reset


Lite5200                     0xFFF00000   |    0xFFF00100    |

Lite5200_LOWBOOT             0xFF000000   |    0xFF000100    |

Lite5200_LOWBOOT08           0xFF800000   |    0xFF800100    |

icecube_5200                 0xFFF00000   |    0xFFF00100    |

icecube_5200_LOWBOOT         0xFF000000   |    0xFF000100    |

icecube_5200_LOWBOOT08       0xFF800000   |    0xFF800100    |

icecube_5200_DDR             0xFFF00000   |    0xFFF00100    |

icecube_5200_DDR_LOWBOOT     0xFF800000   |    0xFF800100    |

icecube_5200_DDR_LOWBOOT08   0xFF800000   |    0xFF800100    |



Can any one help me to find out the issue?



Thanks & Regards,





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