[U-Boot] [PATCH 2/2] imx: ventana: default pci to disabled

[Stefano Babic]

On 17/06/2016 15:20, Tim Harvey wrote:
> The IMX6 PCIe host controller does not have a proper reset and as such there
> are several issues that can arise if PCI is enabled in the bootloader follwed
> by Linux trying to re-configure LTSSM and/or toggling PERST# to the devices.
> 
> For now, the best approach seems to default to disabling PCI by defaulting
> pciedisable=1. This can be overridden by the user if they need PCI in the
> bootloader, for example:
>  - GW552x needing ethernet access in bootloader
>  - GW16082 expansion board needing a device-tree fixup for irq mapping
> 
> Signed-off-by: Tim Harvey <tharvey at gateworks.com>
> ---
>  include/configs/gw_ventana.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/configs/gw_ventana.h b/include/configs/gw_ventana.h
> index 982ddba..4acfca6 100644
> --- a/include/configs/gw_ventana.h
> +++ b/include/configs/gw_ventana.h
> @@ -274,6 +274,7 @@
>  	"dio0:mode=gpio;dio1:mode=gpio;dio2:mode=gpio;dio3:mode=gpio\0" \
>  
>  #define CONFIG_EXTRA_ENV_SETTINGS_COMMON \
> +	"pcidisable=1\0" \
>  	"usb_pgood_delay=2000\0" \
>  	"console=ttymxc1\0" \
>  	"bootdevs=usb mmc sata flash\0" \
> 

Applied to u-boot-imx, thanks !

Best regards,
Stefano Babic


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