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about MLC nand support

kai4003
Prodigy 40 points


I use MLC nand on the DM355 EVM. I can't save the evn paramater when booting EVM.  (sw: DVSDK_1_30_00_40. u-boot_1.2)

my nand number :MT29F8G08MAD

please help me to solve it or give me any ideal

 tks!

 

  • 0
    TI__Mastermind 37340 points

    Please note that if you are using a NAND part different than what is used on our EVM, it may require you add NAND support for your particular NAND device; u-boot is open source software and the number of NAND parts it supports has increased over time, but it does not guarantee support for all MLC NAND devices; as a matter of fact, only the most recent u-boot we provide (1.20) has support for any MLC NAND devices; this is tested against Micron MT29F16G08QAA: 2GB – MLC.

  • 0 in reply to Juan Gonzales
    Prodigy 40 points

    The comments withinthe source code provided with PSP_01_20_00_014 for prgramming the NAND flash indicates the lack of support for the MT26F16G08QAA.

    nandProg.c, line 351,

             printf("This is MT29F16G08QAA NAND. Change the blocksize back!\n");
            /* RBL doesn't support this device. Let's pretend the block size is
               2KB for writing UBL
             */
    This is odd, since the Wiki definitely states support for the MT29F16G08QAA .

    The device on the board is a MT29F16G08D.

        The device on the board is a MT29F16G08D. I would like verification whether this device,  MT29F16G08D, is either supported or not supported by the DM355. From the mailing list and the documentation I’ve found, I believe it is not supported.

       I would also like to verify support for the MT29F16G08QAA.

    thanks