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LS1021A - QSPI Flash on ls1021atwr not found

Question asked by Markus Niebel on Mar 11, 2015
Latest reply on Mar 12, 2015 by Markus Niebel



I try to access the Serial Flash on this Board - but no success.


SW2 [off] [off] [on] [off] [on] [on] [on] [off]

SW3 [off] [on] [on] [off] [on] [off] [off] [on]


try the U-Boot from SDK 1.7 and current mainline (2015.04-rc3) with the SD-Card config with no luck


sf probe 0:0

SF: Unsupported flash IDs: manuf ff, jedec ffff, ext_jedec ffff


RCW is


CPU:   Freescale LayerScape LS1021E, Version: 1.0, (0x87081110)

Clock Configuration:

       CPU0(ARMV7):1000 MHz,

       Bus:300  MHz, DDR:800  MHz (1600 MT/s data rate),

Reset Configuration Word (RCW):

       00000000: 0608000a 00000000 00000000 00000000

       00000010: 20000000 00407900 60025a00 21046000

       00000020: 00000000 00000000 00000000 01038000

       00000030: 20024800 881b1540 00000000 00000000


Thanks for support