On 09/04/14 22:09, 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>
>
> ---
> Changes for v2:
> - Remove redundant cast
> ---
> 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..f558ef9 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, &pwr->inform4);
> + writel(0, &pwr->inform5);
> +
> return 0;
> }
>
>
Acked-by: Minkyu Kang <mk7.k...@samsung.com>
Thanks,
Minkyu Kang.
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