[PPCBoot-users] porting u-boot to WindRiver MDP PRO???????????????

[wang c. <wan...@ra...>]

hello=2Call!
    I=27m trying to put u-boot-0=2E4=2E0 to the WindRiver MDP PRO board(w=
ith =


a daughter board Mpc823)=2CI use the FADS823 as my model to modify=2E I u=
se =


the vision ICEII BDM interface to program flash and debug the code=2E

1=2Ein the cpu/mpc8xx/cpu=5Finit=2Ec =3Awhen I masked the or/br set claus=
e=2Cthe =


info can displayed on the console=2C when not=2C nothing displayed =

2=2EAfter I masked the OR/BR in the cpu=5Finit=2Ec=2Cwhen I debug with th=
e =


vision ICEII BDM=2Ceverything is OK=3B when without the BDM=2C the u-boot=
 can =


run to relocate=5Fcode() in lib=5Fppc/board=2Ec=3A
with vision ICE=A3=BA
U-Boot 0=2E4=2E0 (Sep 19 2003 - 11=3A12=3A10)

CPU=3A   PPC823ZTnnB2 at 25 MHz=3A 2 kB I-Cache 1 kB D-Cache
Board=3A bcsr3=3D0x1000000c
*((uint *)BCSR3)=3D0xbbbbbbbb
WindRiver with db MPC823 rev MDP PRO
I2C=3A   ready
DRAM=3A  bcsr2=3D0x10000008
(uint *)bcsr2=3D0x10000008
*((uint *)bcsr2)=3D0xbbbbbbbb
k=3D0x7
 4 MB
before relocate=5Fcode() in board=2Ec
FLASH=3A value=3D0x1
value=3D0xa4
size=5Fb1=3D0x80000value=3D0x1
value=3D0xa4
512 kB
In=3A    serial
Out=3A   serial
Err=3A   serial
Net=3A   SCC ETHERNET
=3D=3E

without vision ICE=A3=BA
U-Boot 0=2E4=2E0 (Sep 19 2003 - 11=3A12=3A10)

CPU=3A   PPC823ZTnnB2 at 25 MHz=3A 2 kB I-Cache 1 kB D-Cache
Board=3A bcsr3=3D0x1000000c
*((uint *)BCSR3)=3D0x2e342e30
WindRiver with db MPC823 rev MDP PRO
I2C=3A   ready
DRAM=3A  bcsr2=3D0x10000008
(uint *)bcsr2=3D0x10000008
*((uint *)bcsr2)=3D0x6f742030
k=3D0xe
 4 MB
before relocate=5Fcode() in board=2Ec



I have been trapped here for 3 weeks=2ESome guy told me that my dram =


hasn=27t been initialized correctly! I have modified the UPM table=2Cthe =


OR/BR=2C but it doesn=27t work! Can you tell me how to initialize the dra=
m =


=3F Any advices are appriciated! =