uboot20098移植教程(开发板为mini2440).pdf

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1、1.拷贝board/samsung/smdk2410至board/tekkamanninja/mini24402.将board/tekkamanninja/mini2440/smdk2410.c改名为board/tekkamanninja/mini2440/mini2440.c3.拷贝include/configs/smdk2410.h至include/configs/mini2440.h4.修改board/tekkamanninja/mini2440/Makefile1)行28将COBJS:=smdk2410.oflash.o改为COBJS:=mini24

2、40.oflash.o5.修改lowlevel_init.S1)行54将#defineB1_BWSCON(DW32)改为#defineB1_BWSCON(DW16)2)行88将#defineB3_Tacs0x0/*0clk*/#defineB3_Tcos0x3/*4clk*/#defineB3_Tacc0x7/*14clk*/#defineB3_Tcoh0x1/*1clk*/#defineB3_Tah0x0/*0clk*/#defineB3_Tacp0x3/*6clk*/#defineB3_PMC0x0/*normal*/改为#defineB3_Tacs0x

3、c#defineB3_Tcos0x7#defineB3_Tacc0xf#defineB3_Tcoh0x1#defineB3_Tah0x0#defineB3_Tacp0x0#defineB3_PMC0x03)行104将#defineB5_Tacs0x0/*0clk*/#defineB5_Tcos0x0/*0clk*/#defineB5_Tacc0x7/*14clk*/#defineB5_Tcoh0x0/*0clk*/#defineB5_Tah0x0/*0clk*/#defineB5_Tacp0x0#defineB5_PMC0x0/*normal*/改为#def

4、ineB5_Tacs0xc#defineB5_Tcos0x7#defineB5_Tacc0xf#defineB5_Tcoh0x1#defineB5_Tah0x0#defineB5_Tacp0x0#defineB5_PMC0x04)行121将#defineREFEN0x1/*Refreshenable*/#defineTREFMD0x0/*CBR(CASbeforeRAS)/Autorefresh*/#defineTrp0x0/*2clk*/#defineTrc0x3/*7clk*/#defineTchr0x2/*3clk*/#defineREFCNT1113

5、/*period=15.6us,HCLK=60Mhz,(2048+1-15.6*60)*/改为#defineREFEN0x1/*Refreshenable*/#defineTREFMD0x0/*CBR(CASbeforeRAS)/Autorefresh*/#defineTrc0x3/*7clk*/#defineTchr0x2/*3clk*/#ifdefined(CONFIG_S3C2440)#defineTrp0x2/*4clk*/#defineREFCNT1012#else#defineTrp0x0/*2clk*/#defineREFCNT0x0459#e

6、ndif5)行146将ldrr1,_TEXT_BASEsubr0,r0,r1ldrr1,=BWSCON/*BusWidthStatusController*/改为ldrr1,=lowlevel_initsubr0,r0,r1adrr3,lowlevel_init/*r3<-currentpositionofcode*/addr0,r0,r3ldrr1,=BWSCON/*BusWidthStatusController*/6)行175将.word0x32改为.word0xb26.修改flash.c1)行40将#defineCMD_ERASE_CONFIRM0x

7、00000030改为#defineCMD_ERASE_CONFIRM0x000000502)行44将#defineMEM_FLASH_ADDR1(*(volatileu16*)(CONFIG_SYS_FLASH_BASE+(0x00000555<<1)))#defineMEM_FLASH_ADDR2(*(volatileu16*)(CONFIG_SYS_FLASH_BASE+(0x000002AA<<1)))改为#ifdefCONFIG_SST_VF1601#defineMEM_FLASH_ADDR1(*(volatileu16*)(CONFIG_SYS_F

8、LASH_BASE+(0x000005555<<1)