Re: Custom kernel crashes

[Manish Lachwani <mlachwani@mvista.com>]

Hello Thomas,

Quick suggestion since I dont know all the details: Can you increase the 
 size of the space mapped to say 16 MB (some larget value than 256 KB) 
and check if the bus error repeats?
#define NPP_BOARD_INTERNAL_SRAM_SIZE (16 *1024 * 1024)

Thanks
Manish Lachwani



Thomas Petazzoni wrote:
> Hello,
>
> Manish Lachwani a écrit :
>
> > What are these values: NPP_BOARD_INTERNAL_SRAM_BASE, 
> > NPP_BOARD_INTERNAL_SRAM_END and NPP_BOARD_INTERNAL_SRAM_BASE.
>
> #define NPP_BOARD_INTERNAL_SRAM_BASE 0xfe000000UL
> #define NPP_BOARD_INTERNAL_SRAM_SIZE (256*1024)
> #define NPP_BOARD_INTERNAL_SRAM_END  \
>         (NPP_BOARD_INTERNAL_SRAM_BASE + NPP_BOARD_INTERNAL_SRAM_SIZE)
>
> Do you think it's a problem related to the SRAM ?
>
> > Also, what is ENTRYLO() defined as?
>
> static inline unsigned long ENTRYLO(unsigned long paddr)
> {
>         return ((paddr & PAGE_MASK) |
>                (_PAGE_PRESENT | __READABLE | __WRITEABLE | _PAGE_GLOBAL |
>                 _CACHE_UNCACHED)) >> 6;
> }
>
> This code is taken from the jaguar_atx setup.c file.
>
> Thanks,
>
> Thomas