Dear Chen Wen, In message <[email protected]> you wrote: > > But I load my simple trace32 script, I can write data to flash via trace 32. > simple initial of trace32: > ========================================= > D.S DCR:0xF9 %LONG %BE 000000019 ; CPC0_PCI, PerWE, PAE > D.S DCR:0xF6 %LONG %BE 0 > gosub IEBC "EBC0_B0AP" 0x10 007869200 > gosub IEBC "EBC0_B0CR" 0x00 0FF09A000 ; 16MB @FE000000 > ========================================= > When I verify the value of "EBC and CPC0_PCI" register. > u-boot and simple script fill the same value on "EBC and CPC0_PCI" > > I am trying to find out what registers protect flash from writing.
PerWE? with "WE" as in "Write Enable" ? Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [email protected] If there was anything that depressed him more than his own cynicism, it was that quite often it still wasn't as cynical as real life. - Terry Pratchett, _Guards! Guards!_ _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
