[U-Boot] [PATCH v1 4/4] ARM: vf610: ddrmc: do not write CR79 by default

Lukasz Majewski
2018-12-04T11:00:44Z

Hi Stefan,

> From: Stefan Agner <stefan.agner@toradex.com>
>
> The current value CTLUPD_AREF(0) is the reset value of the register,
> so there is no need to write a value. If needed, the register can be
> written using board specific CR settings.
>
> Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
> Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
> ---
>
> arch/arm/mach-imx/ddrmc-vf610.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/arm/mach-imx/ddrmc-vf610.c
> b/arch/arm/mach-imx/ddrmc-vf610.c index d121a53898..d4926b5cee 100644
> --- a/arch/arm/mach-imx/ddrmc-vf610.c
> +++ b/arch/arm/mach-imx/ddrmc-vf610.c
> @@ -188,7 +188,6 @@ void ddrmc_ctrl_init_ddr3(struct
> ddr3_jedec_timings const *timings, DDRMC_CR77_SWAP_EN,
> &ddrmr->cr[77]); writel(DDRMC_CR78_Q_FULLNESS(timings->q_fullness) |
> DDRMC_CR78_BUR_ON_FLY_BIT(12), &ddrmr->cr[78]);
> - writel(DDRMC_CR79_CTLUPD_AREF(0), &ddrmr->cr[79]);
>
> writel(DDRMC_CR82_INT_MASK, &ddrmr->cr[82]);
>

Reviewed-by: Lukasz Majewski <lukma@denx.de>

Best regards,

Lukasz Majewski

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