[U-Boot] [PATCH] ARM: imx6: Disable DDR DRAM calibration DHCOM i.MX6 PDK

Stefano Babic sbabic at denx.de
Sun Dec 17 10:35:35 UTC 2017



On 11/12/2017 16:19, Marek Vasut wrote:
> The DDR DRAM calibration doesn't work on T-topology sometimes, so disable it.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Stefano Babic <sbabic at denx.de>
> ---
>  board/dhelectronics/dh_imx6/dh_imx6_spl.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/board/dhelectronics/dh_imx6/dh_imx6_spl.c b/board/dhelectronics/dh_imx6/dh_imx6_spl.c
> index bb98f39f02..57ae7f15ce 100644
> --- a/board/dhelectronics/dh_imx6/dh_imx6_spl.c
> +++ b/board/dhelectronics/dh_imx6/dh_imx6_spl.c
> @@ -387,10 +387,6 @@ void board_init_f(ulong dummy)
>  				  &dhcom6sdl_grp_ioregs);
>  	mx6_dram_cfg(&dhcom_ddr_info, &dhcom_mmdc_calib, &dhcom_mem_ddr);
>  
> -	/* Perform DDR DRAM calibration */
> -	udelay(100);
> -	mmdc_do_dqs_calibration(&dhcom_ddr_info);
> -
>  	/* Clear the BSS. */
>  	memset(__bss_start, 0, __bss_end - __bss_start);
>  
> 
Applied to u-boot-imx, thanks !

Best regards,
Stefano Babic

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