客户自制的板卡，在启动Linux过程中，停止在Starting Kernel.....

U-Boot SPL 2013.01.01 (Jan 04 2015 - 15:47:14) BOARD : Altera SOCFPGA Cyclone V Board CLOCK: EOSC1 clock 25000 KHz CLOCK: EOSC2 clock 25000 KHz CLOCK: F2S_SDR_REF clock 0 KHz CLOCK: F2S_PER_REF ...