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Re: can't load into DDR on C6424 ..

Started by writ...@gmx.at October 29, 2007
hi all,

thank you for your quick reponses.
i tried the DDR2 example project from spectrumdigital.com, which performs a quick write/read test. i was able to get it running (without any section being in external SDRAM), but it failed right at the first attempt to read the previously written value...

the project uses both the supplied GEL and linker CMD file. i assume my DDR2 is configured correctly with these two lines in the GEL..? anyway i changed nothing in there so i assume it should work right out of the box.

/* DDR2 */
GEL_MapAddStr( 0x20000000, 0, 0x000000f4, "R|W|AS4", 0 ); // DDR2 Control
GEL_MapAddStr( 0x80000000, 0, 0x08000000, "R|W|AS4", 0 ); // DDR2 SDRAM

oliver