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RE: Problem in modify ecos for EDB7312
- To: <ecos-discuss at sources dot redhat dot com>
- Subject: RE: [ECOS] Problem in modify ecos for EDB7312
- From: "Dan Conti" <danc at iobjects dot com>
- Date: Tue, 4 Sep 2001 11:16:02 -0700
Are you initializing the sdram controller? You can't use the on board
sdram until you do, and chances are gdb wont load at all until sdram is
available.
> -----Original Message-----
> From: Peihong Li [mailto:liphhz@yahoo.com]
> Sent: Monday, September 03, 2001 10:56 AM
> To: ecos-discuss@sources.redhat.com
> Subject: [ECOS] Problem in modify ecos for EDB7312
>
>
> All,
> I am trying to modify ecos V1.3 (based on the
> edb7212's) for my edb7312. What I have done on
> hal_platform_setup.h is as follow:
>
> ......
> #define INIT_MEMORY_CONFIG \
> /* Initialize memory configuration ;\
> ldr r1,=MEMCFG1 ;\
> //*** ldr r2,=0x8200A080 ;\
> ldr r2,=0x1f101710 ;\
> str r2,[r1] ;\
> ldr r1,=MEMCFG2 ;\
> //*** ldr r2,=0xFEFC0000 ;\
> ldr r2,=0x00001f13 ;\
> str r2,[r1] ;\
> //*** ldr r1,=DRFPR ;\
> //*** ldr r2,=0x81 /*DRAM refresh=64KHz */ ;\
> //*** strb r2,[r1] ;\
> ldr r1,=0x80002300 ;\
> ldr r2,=0x00000522 ;\
> str r2,[r1] ;\
> ldr r1,=0x80002340 ;\
> ldr r2,=0x00000240 ;\
> str r2,[r1]
> #endif
> ......
>
> But it still cannot connect with arm-elf-gdb. Who can
> tell me why?
>
> Thanks,
>
> Peihong Li
>
>
>
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