Re: [PATCH] ARM: i.MX7/8M: reliably detect serial boot

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Apr 13, 2021 at 12:24:16AM +0200, Ahmad Fatoum wrote:
> While not documented in the reference manual,
> info->boot_device_type was observed to equal 15 when:
> 
>  - SoC is strapped for serial boot
>  - SoC falls back into serial boot after failed strapped primary
> 
> The latter went so far undetected. Fix this.
> What's not tested is:
> 
>  - SoC falls back into serial boot after failed primary from fuses
>  - SoC warm resets directly into serial boot because of BMODE
> 
> If those works, we could drop the imx6_bootsource_serial check at the
> beginning, but for now, just leave it be.
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
> ---
>  arch/arm/mach-imx/boot.c | 3 +++
>  1 file changed, 3 insertions(+)

Applied, thanks

Sascha

> 
> diff --git a/arch/arm/mach-imx/boot.c b/arch/arm/mach-imx/boot.c
> index c3cf4b85ff25..e9b5a4944390 100644
> --- a/arch/arm/mach-imx/boot.c
> +++ b/arch/arm/mach-imx/boot.c
> @@ -506,6 +506,9 @@ static void __imx7_get_boot_source(enum bootsource *src, int *instance,
>  	case 5:
>  		*src = BOOTSOURCE_NOR;
>  		break;
> +	case 15:
> +		*src = BOOTSOURCE_SERIAL;
> +		break;
>  	default:
>  		break;
>  	}
> -- 
> 2.29.2
> 
> 
> _______________________________________________
> barebox mailing list
> barebox@xxxxxxxxxxxxxxxxxxx
> http://lists.infradead.org/mailman/listinfo/barebox
> 

-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

_______________________________________________
barebox mailing list
barebox@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/barebox



[Index of Archives]     [Linux Embedded]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux