Re: Reading a physical memory location

[Manu Abraham]

On 7/10/07, vraghavan3@xxxxxxxxxxxxxxx <vraghavan3@xxxxxxxxxxxxxxx> wrote:
> Thanks for the quick reply. But I was wondering as to why I would have to map
> the physical address to the virtual address when I know that the string is
> permanently in the physical memory because its loaded into flash. Is there a way
> to directly read from the physical memory location? Also, do the functions
> ioremap() and readl(va) work when called from within a kernel module?

Of course, if you look at almost any of the memory mapped device
drivers, you will find that ioremap/readl/writel is the backbone of
your infrastructure.


Manu
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