RE: [ECOS] Problem in modify ecos for EDB7312

["Dan Conti" <danc@iobjects.com>]

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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