Hi Minkyu,
> Dear Lukasz Majewski,
>
> On 09/04/14 21:41, Lukasz Majewski wrote:
> > During switch to device tree, commit 1ecab0f has removed this code.
> >
> > INFORM4 and INFORM5 registers are used by TRATS2 first stage
> > bootloader for providing recovery. For normal operation, those two
> > must be cleared out.
> >
> > This error emerges when one force reset from u-boot's command line
> > for three times.
> >
> > Signed-off-by: Lukasz Majewski <l.majew...@samsung.com>
> > Cc: Minkyu Kang <mk7.k...@samsung.com>
> > ---
> > board/samsung/trats2/trats2.c | 13 +++++++++++++
> > 1 file changed, 13 insertions(+)
> >
> > diff --git a/board/samsung/trats2/trats2.c
> > b/board/samsung/trats2/trats2.c index 2a6c9f9..75a6c7b 100644
> > --- a/board/samsung/trats2/trats2.c
> > +++ b/board/samsung/trats2/trats2.c
> > @@ -150,9 +150,22 @@ static int pmic_init_max77686(void);
> >
> > int exynos_init(void)
> > {
> > + struct exynos4_power *pwr =
> > + (struct exynos4_power *)samsung_get_base_power();
> > +
> > check_hw_revision();
> > printf("HW Revision:\t0x%04x\n", board_rev);
> >
> > + /*
> > + * First bootloader on the TRATS2 platform uses
> > + * INFORM4 and INFORM5 registers for recovery
> > + *
> > + * To indicate correct boot chain - those two
> > + * registers must be cleared out
> > + */
> > + writel(0, (unsigned int)&pwr->inform4);
> > + writel(0, (unsigned int)&pwr->inform5);
>
> I think, you don't have to do type casting.
You are right, thanks for pointing out.
>
> > +
> > return 0;
> > }
> >
> >
>
> Thanks,
> Minkyu Kang.
--
Best regards,
Lukasz Majewski
Samsung R&D Institute Poland (SRPOL) | Linux Platform Group
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