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 clock 0 KHz

CLOCK: MPU clock 800 MHz

CLOCK: DDR clock 400 MHz

CLOCK: UART clock 100000 KHz

CLOCK: MMC clock 50000 KHz

CLOCK: QSPI clock 400000 KHz

INFO : Watchdog enabled

SDRAM: Initializing MMR registers

SDRAM: Calibrating PHY

SEQ.C: Preparing to start memory calibration

SEQ.C: CALIBRATION PASSED

SDRAM: 1024 MiB

SF: Read data capture delay calibrated to 3 (0 - 7)

SF: Detected N25Q128 with page size 65536, total: 16777216

U-Boot 2013.01.01 (Jan 04 2015 - 15:53:20)

CPU : Altera SOCFPGA Platform

BOARD : Altera SOCFPGA Cyclone V Board

I2C: ready

DRAM: 512 MiB

NAND: NAND: Denali NAND controller

1024 MiB

SF: Read data capture delay calibrated to 3 (0 - 7)

SF: Detected N25Q128 with page size 65536, total: 16777216

*** Warning - bad CRC, using default environment

In: serial

Out: serial

Err: serial

Net: mii0

Hit any key to stop autoboot: 0

NAND read: device 0 offset 0x800000, size 0x300000

3145728 bytes read: OK

NAND read: device 0 offset 0x400000, size 0x600000

6291456 bytes read: OK

NAND read: device 0 offset 0x300000, size 0x7000

28672 bytes read: OK

## Starting application at 0x1FF74524 ...

## Application terminated, rc = 0x0

## Flattened Device Tree blob at 00000100

Booting using the fdt blob at 0x00000100

Loading Device Tree to 03ff7000, end 03fff171 ... OK

Starting kernel ...