Error in accessing SDRAM (or IRAM) on DSP side of OMAP 1510 | TMS320C55x

Technical discussions about the TI C55x DSPs (including the c5501, c5502, c5503, c5507, c5509, c5510 and OMAP5910).

Hi All, I would like to access the SDRAM (or IRAM) on the DSP side of OMAP 1510. There is code on TI website for OMAP 5910 for configuring the DSP MMU to map the 32 bit addresses to the 24 bit addresses on DSP side. (The physical addresses for SDRAM (or say IRAM) are the same for both OMAPs) http://focus.ti.com/docs/apps/catalog/resources/appnoteabstract.jhtml? abstractName=swpa038 However When I try to access the SDRAM or IRAM on the DSP side, CCS gives a memory access error. I can access them properly on the ARM side using their physical memory addresses directly. Has anyone faced this problem before ? Why is this happening ? Are there some other things that I need to configure too ? Help is most appreciated. thanks in advance, rmb

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Discussion Groups | TMS320C55x | Error in accessing SDRAM (or IRAM) on DSP side of OMAP 1510

Error in accessing SDRAM (or IRAM) on DSP side of OMAP 1510 - rmb - Nov 3 10:53:00 2005