a5d27 emmc启动 修改2

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修改第2级bootloader的include/configs/sama5d2_xplained.h文件


#define FAT_ENV_DEVICE_AND_PART"0"

#define CONFIG_BOOTCOMMAND"fatload mmc 0:1 0x21000000 at91-sama5d2_xplained.dtb; " \
"fatload mmc 0:1 0x22000000 zImage; " \
"bootz 0x22000000 - 0x21000000"

#define CONFIG_BOOTARGS\
"console=ttyS0,57600 earlyprintk "\
"root=/dev/mmcblk0p2 rw rootwait"

#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION0


修改以上宏定义为emmc编号即可




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