[PATCH 4/4] ARM: imx: Add support for reading out the primary/secondary bmode to MX7

[Stefano Babic]

On 05.08.20 15:34, Marek Vasut wrote:
> Implement the 'getprisec' subcommand of 'bmode' command for i.MX7 by
> reading out the SRC GPR10 bit 30. This bit is either set by the BootROM
> if it switched to the secondary copy due to primary copy being corrupted
> OR it can be overridden by the user.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Fabio Estevam <festevam at gmail.com>
> Cc: NXP i.MX U-Boot Team <uboot-imx at nxp.com>
> Cc: Peng Fan <peng.fan at nxp.com>
> Cc: Stefano Babic <sbabic at denx.de>
> ---
>  arch/arm/mach-imx/mx7/soc.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/arch/arm/mach-imx/mx7/soc.c b/arch/arm/mach-imx/mx7/soc.c
> index b6fd25a991..c90f7354ea 100644
> --- a/arch/arm/mach-imx/mx7/soc.c
> +++ b/arch/arm/mach-imx/mx7/soc.c
> @@ -419,6 +419,13 @@ const struct boot_mode soc_boot_modes[] = {
>  	{"secondary",	MAKE_CFGVAL_SECONDARY_BOOT},
>  	{NULL,		0},
>  };
> +
> +int boot_mode_getprisec(void)
> +{
> +	struct src *psrc = (struct src *)SRC_BASE_ADDR;
> +
> +	return !!(readl(&psrc->gpr10) & IMX7_SRC_GPR10_PERSIST_SECONDARY_BOOT);
> +}
>  #endif
>  
>  void reset_misc(void)
> 

Reviewed-by: Stefano Babic <sbabic at denx.de>

Best regards,
Stefano Babic

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