read/write on registers

[Leonard Bise]

Like said it's not working probably because the address is not valid.

LEON processor registers are located starting at address 0x8000'0000

2012/5/22 David Paterson <dnpaterson at gmail.com>

> On 22 May 2012 11:15, Luca Cinquepalmi <cinquepalmi at planetek.it> wrote:
> > Hi all,
> >
> > I'm trying to write/read on a register address of a leon2 processor
> board.
> > I used the following C code directly executing on board
> >
> > volatile uint32_t *address = (volatile uint32_t *)0x00100000;
> > *address = 0x00300000
> >
> > but it doesn't work.
> > I'm not able to find other solution. Can you help me? thanks
>
> First, I don't know the configuration of your system, so the following
> may be completely wrong...
>
> However, the address 0x00100000 is in the PROM area of the LEON2
> memory map, and can
> normally only be written if the prom write enable bit (bit 11 of
> memory config reg 1) is set.
>
> Regards,
>
> David P.
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*Léonard Bise*
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