[U-Boot] [Patch V3 3/3] armv8/ls1043aqds: add QSPI boot support

[Scott Wood <oss@buserror.net>]

On Mon, 2016-01-11 at 10:17 +0800, Gong Qianyu wrote:
> diff --git a/board/freescale/ls1043aqds/ls1043aqds.c
> b/board/freescale/ls1043aqds/ls1043aqds.c
> index d6696ca..770b79f 100644
> --- a/board/freescale/ls1043aqds/ls1043aqds.c
> +++ b/board/freescale/ls1043aqds/ls1043aqds.c
> @@ -43,15 +43,19 @@ enum {
>  
>  int checkboard(void)
>  {
> +#ifndef CONFIG_QSPI_BOOT
>  	char buf[64];
>  #ifndef CONFIG_SD_BOOT
>  	u8 sw;
>  #endif
> +#endif
>  
>  	puts("Board: LS1043AQDS, boot from ");
>  
>  #ifdef CONFIG_SD_BOOT
>  	puts("SD\n");
> +#elif defined(CONFIG_QSPI_BOOT)
> +	puts("QSPI\n");
>  #else
>  	sw = QIXIS_READ(brdcfg[0]);
>  	sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
> @@ -68,12 +72,15 @@ int checkboard(void)
>  		printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
>  #endif
>  
> +#ifndef CONFIG_QSPI_BOOT
> +	/* For QSPI boot, here I2C is not ready yet. */
>  	printf("Sys ID: 0x%02x, Sys Ver: 0x%02x\n",
>  	       QIXIS_READ(id), QIXIS_READ(arch));
>  
>  	printf("FPGA:  v%d (%s), build %d\n",
>  	       (int)QIXIS_READ(scver), qixis_read_tag(buf),
>  	       (int)qixis_read_minor());
> +#endif

Why isn't i2c ready?  How is DDR inited without it?

-Scott