Writing Pin-muxing registers in an am3359.

[Christian Helmuth]

Hello Bob,

On Thu, Oct 24, 2013 at 08:57:08AM -0400, Bob Stewart wrote:
> I write a value of 5 to the register offset 0x800 into the Control
> dataspace:
> /[init -> gpio_drv] mmio write 0x4800: 0x00000005//
> //[init -> gpio_drv] void Omap_driver::set_pin_controls(int, int,
> int): B=1, P=0, Mode=5, Input=0, Offset=0/
> 
> In jdb I see that the value at 0x4800 has not changed after
> apparently writing 5 to it.

It's just a guess, but are you sure that reading the register should
gain the value write to it before? Often, the semantics of device
registers are different from this assumption.

Greets
-- 
Christian Helmuth
Genode Labs

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