Guy， Pls refer the errata of DM6467T first, there is bug related to your question.
在 2010年8月14日 下午1:19，wenaideyu wenaideyu <[email protected]>写道： > thanks, we have reprogrammed the CPLD, but it still resets as before. > > 1） we use TMS320DM6467 HD 1080P Evaluation Module , DM6467T(1Ghz) > and we use 2.6.32-rc2 and select "Bus support--->PCI support" in > kernel. > > > 2） set of SW3 on the board ：1110 0000，select " NAND Flash boot"; > > 3） after Uboot finished,we use tftp to download uImage > > 4） uImage is uncompressed compeletely, then begins to run ... when > it runs to "nand flash -> PCI"("davinci_cfg_reg(DM646X_PCIEN)" in > board-dm646x-evm.c), the board resets again。 > > 2010/8/12, Pedanekar, Hemant <[email protected]>: > > wenaideyu wenaideyu wrote on Tuesday, August 10, 2010 8:59 PM: > > > >> Hi: > >> thanks a lot for your advice. I have printed the value of > >> PCI_RST(GPIO[13]) before switching from NAND to PCI, the value is 1. > >> Itmeans PCI_RST has been driven high. > >> > >> but the board still resets while the kernel calls > >> "davinci_cfg_reg(DM646X_PCIEN)" in the file of board-dm646x-evm.c > >> > >> I just select the PCI bus support in the configuration of > >> kernel,and I do not select the support of mtd and ata in kernel. > >> > >> shoud I do some configuration about the Davincihd1080p evm while it > acts > >> as a PCI host? > >> > >> best wishes! > > > > By default, GPIO13 may not be used as PCI_RST. > > > > As per the wiki link, "The Altera CPLD on the board controls the mux > > switches > > depending on whether or not the EVM is plugged into a PCI backplane. To > > instead > > control the switches with a GPIO, the CPLD must be reprogrammed with a > > modified > > firmware..." > > > > - > > Hemant > > > > > _______________________________________________ > Davinci-linux-open-source mailing list > [email protected] > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source >
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