MP8xx: not initialized CPM RAM crash

bart at ardistech.com bart at ardistech.com
Fri May 3 17:25:21 EST 2002


Wolfgang Denk wrote:
>
> In message <3CD2255B.330FA4E4 at ardistech.com> you wrote:
> >
> > I found in ./drivers/i2c/i2c-rpx.c in rpx_iic_init the structure member
> > ii->iic_rpbase != 0. Very likely because ppcboot uses this area as initial
> > stack. This causes the kernel to get a machine check during i2c init. Should
> > the CPM RAM not be zero'd somewhere during kernel boot?
>
> Which kernel version are you talking about?
>
2.4.2 MontaVista HH linux

> I think we fixed this in our version of the 8xx I2C driver long ago.
>
Thanks, I'll check out a newer kernel.

	Bart

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