for SPI interface mode selection ( pin[12:13] ). In some systems, the RGMII/NCSI interface will use the pin. It makes the SPI interface mode setting is not correct ...
-#define CONFIG_BOOTARGS "console=ttyS4,115200n8 root=/dev/mtdblock4 ro" +#define CONFIG_BOOTARGS "console=ttyS4,115200n8 ubi.mtd=obmc-ubi,0,0,0 ubi.mtd=alt-obmc-ubi,0,0,4 ro rootfstype=squashfs" ...