[PATCH 6/8] configs: am64x_evm: set eth1 as boot interface

[Tom Rini]

On Fri, Dec 24, 2021 at 12:55:34PM +0530, Vignesh Raghavendra wrote:

> ROM supports boot from CPSW second port, therefore set eth1 boot
> interface
> 
> Signed-off-by: Vignesh Raghavendra <vigneshr at ti.com>
> ---
>  include/configs/am64x_evm.h | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/include/configs/am64x_evm.h b/include/configs/am64x_evm.h
> index 99624081c3..cd4b658e5f 100644
> --- a/include/configs/am64x_evm.h
> +++ b/include/configs/am64x_evm.h
> @@ -33,7 +33,7 @@
>   * our memory footprint. The less we use for BSS the more we have available
>   * for everything else.
>   */
> -#define CONFIG_SPL_BSS_MAX_SIZE		0x1000
> +#define CONFIG_SPL_BSS_MAX_SIZE		0xa000
>  /*
>   * Link BSS to be within SPL in a dedicated region located near the top of
>   * the MCU SRAM, this way making it available also before relocation. Note
> @@ -64,6 +64,7 @@
>  		"if test $fdtfile = undefined; then " \
>  			"echo WARNING: Could not determine device tree to use; fi; \0" \
>  	"name_kern=Image\0"						\
> +	"ethact=eth0\0"							\
>  	"console=ttyS2,115200n8\0"					\
>  	"args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000 "	\
>  		"${mtdparts}\0"						\
> @@ -140,4 +141,6 @@
>  
>  #define CONFIG_SYS_USB_FAT_BOOT_PARTITION 1
>  
> +#define CONFIG_SPL_ETH_DEVICE "eth1"
> +
>  #endif /* __CONFIG_AM642_EVM_H */

What's going on exactly here?  First, CONFIG_SPL_ETH_DEVICE needs to be
migrated to Kconfig now, if we're going to use it.  But, it's used to
set "ethact", which wouldd normally be eth0, but you're setting it to
eth1 here and eth0 for U-Boot itself?  Can you please explain the setup
here?  Thanks!

-- 
Tom
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