uboot, bootloader, based on ADS development environment, and development board for the excellent Long, s3c2440 processors, support for usb download, you can download and guide the dual system

bootloader
..........\inc
..........\...\2440addr.h
..........\...\2440addr.inc
..........\...\2440lib.h
..........\...\2440slib.h
..........\...\2440usb.h
..........\...\bootpara.h
..........\...\def.h
..........\...\Memcfg.inc
..........\...\memtest.h
..........\...\mmu.h
..........\...\Nand.h
..........\...\norflash.h
..........\...\Option.h
..........\...\Option.inc
..........\...\profile.h
..........\...\u2440mon.h
..........\src
..........\...\2440init.s
..........\...\2440lib.c
..........\...\2440slib.s
..........\...\39VF160.C
..........\...\comload.c
..........\...\eeprom.c
..........\...\intel_flash.c
..........\...\lcdinit.c
..........\...\memtest.c
..........\...\mmu.c
..........\...\nand.c
..........\...\profile.c
..........\...\relocate_nkbin.c
..........\...\u2440mon.c

..........\...\uCdragon_LOGO.c
..........\usb
..........\...\usb.h
..........\...\usbin.c
..........\...\usbin.h
..........\...\usblib.c
..........\...\usblib.h
..........\...\usbmain.c
..........\...\usbmain.h
..........\...\usbout.c
..........\...\usbout.h
..........\...\usbsetup.c
..........\...\usbsetup.h
..........\YL2440A_MON.mcp
..........\YL2440A_MON_Data
..........\................\CWSettingsWindows.stg
..........\................\Debug
..........\................\.....\TargetDataWindows.tdt
..........\................\DebugRel
..........\................\........\ObjectCode
..........\................\........\..........\2440init.o
..........\................\........\..........\2440lib.o
..........\................\........\..........\2440slib.o
..........\................\........\..........\39VF160.o
..........\................\........\..........\comload.o
..........\................\........\..........\eeprom.o
..........\................\........\..........\intel_flash.o
..........\................\........\..........\lcdinit.o
..........\................\........\..........\memtest.o
..........\................\........\..........\mmu.o
..........\................\........\..........\nand.o
..........\................\........\..........\profile.o
..........\................\........\..........\relocate_nkbin.o
..........\................\........\..........\u2440mon.o
..........\................\........\..........\uCdragon_LOGO.o
..........\................\........\..........\usbin.o
..........\................\........\..........\usblib.o
..........\................\........\..........\usbmain.o
..........\................\........\..........\usbout.o
..........\................\........\..........\usbsetup.o
..........\................\........\TargetDataWindows.tdt
..........\................\........\YL2440A_MON.axf
..........\................\........\YL2440A_MON.bin
..........\................\DebugRelHEX
..........\................\...........\TargetDataWindows.tdt
..........\................\Release
..........\................\.......\TargetDataWindows.tdt

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