Issue with dcahe enabling.

sk.syed2 sk.syed2 at gmail.com
Tue Mar 27 21:55:02 EDT 2012


> Using ARM926e-js processor with 128MB SDRAM., Clock-33Mhz
>
> SDRAM Size = 128M
>
>
>
> CONFIG_PAGE_OFFSET = 0xc0000000
>
> CONFIG_PHYS_OFFSET= 0x80000000
>
>
>
> Kernel Lowmem = 32M including 8M for initramfs (starting from  24M to 32M).
>
If SDRAM is 128MB why only 32M for lowmem?


> This is due to the corruption of the “meminfo” structure.

How is meminfo information being passed? Is it from atags? What is
your atags_offset?


> Please let me know how dcahe enabling is creating this effect.,as with
> dcache disabled(CPU_DCACHE_DISABLE = y)  this instruction is replacing the

I am not sure if dcache has anything to do with your problem.

-syed



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