uboot nor flash初始化异常 mpc8308 nor flash 32M no nand flash

使用u-boot-2016.09-rc1源码进行编译，make ARCH=powerpc MPC8308RDB_defconfig
修改MPC8308RDB.h

/*nor flash new config for 32M */
#define CONFIG_SYS_FLASH_CFI                /* use the Common Flash Interface */
#define CONFIG_FLASH_CFI_DRIVER                /* use the CFI driver */
#define CONFIG_SYS_FLASH_CFI_WIDTH        FLASH_CFI_16BIT
#define CONFIG_SYS_FLASH_BASE                0xFE000000 /* FLASH base address */
#define CONFIG_SYS_FLASH_SIZE                32 /* FLASH size is 8M */
#define CONFIG_SYS_FLASH_PROTECTION        1 /* Use h/w Flash protection. */
/* Window base at flash base */
#define CONFIG_SYS_LBLAWBAR0_PRELIM        CONFIG_SYS_FLASH_BASE
#define CONFIG_SYS_LBLAWAR0_PRELIM        (LBLAWAR_EN | LBLAWAR_32MB)
#define CONFIG_SYS_BR0_PRELIM        (CONFIG_SYS_FLASH_BASE \
                                | BR_PS_16        /* 16 bit port */ \
                                | BR_MS_GPCM        /* MSEL = GPCM */ \
                                | BR_V)                /* valid */
#define CONFIG_SYS_OR0_PRELIM        (MEG_TO_AM(CONFIG_SYS_FLASH_SIZE) \
                                | OR_UPM_XAM \
                                | OR_GPCM_CSNT \
                                | OR_GPCM_ACS_div2 \
                                | OR_GPCM_XACS \
                                | OR_GPCM_SCY_15 \
                                | OR_GPCM_TRLX_SET \
                                | OR_GPCM_EHTR_SET)
#define CONFIG_SYS_MAX_FLASH_BANKS        1 /* number of banks */
/* 127 64KB sectors and 8 8KB top sectors per device */
#define CONFIG_SYS_MAX_FLASH_SECT        135
#define CONFIG_SYS_FLASH_ERASE_TOUT        60000 /* Flash Erase Timeout (ms) */
#define CONFIG_SYS_FLASH_WRITE_TOUT        500 /* Flash Write Timeout (ms) */

异常打印如下：

U-Boot 2016.09-rc1 (Sep 08 2016 - 11:29:55 +0800)MPC83XX
Reset Status: Software Hard, External/Internal Soft, External/Internal Hard
CPU:   e300c3, MPC8308, Rev: 1.0 at 400 MHz, CSB: 133.333 MHz
Board: Freescale MPC8308RDB Rev <unknown>
I2C:   ready
DRAM:  128 MiB (DDR2, 32-bit, ECC off, 266.667 MHz)
Flash: flash detect cfi
fwc addr fe000000 cmd f0 f0f0 16bit x 8 bit
fwc addr fe000000 cmd ff ffff 16bit x 8 bit
fwc addr fe0000aa cmd 98 9898 16bit x 8 bit
is= cmd 51(Q) addr fe000020 is= 0051 5151
fwc addr fe000aaa cmd 98 9898 16bit x 8 bit
is= cmd 51(Q) addr fe000020 is= 0051 5151
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000000 cmd ff 00ff 16bit x 16 bit
fwc addr fe0000aa cmd 98 0098 16bit x 16 bit
is= cmd 51(Q) addr fe000020 is= 0051 0051
is= cmd 52(R) addr fe000022 is= 0052 0052
is= cmd 59(Y) addr fe000024 is= 0059 0059
device interface is 2
found port 2 chip 2 port 16 bits chip 16 bits
00 : 51 52 59 02 00 40 00 00 00 00 00 27 36 00 00 06  QRY..@.....'6...
10 : 06 09 11 03 05 03 02 19 02 00 06 00 01 ff 00 00  ..
20 : 02 00 00 00 00 00 00 00 00 00 00 00 00 f7 f5 ff  ..
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe0000aa cmd 98 0098 16bit x 16 bit
manufacturer is 2
manufacturer id is 0x1
device id is 0x227e
device id2 is 0x2201
cfi version is 0x3133
size_ratio 1 port 16 bits chip 16 bits
found 1 erase regions
erase region 0: 0x020000ff
erase_region_count = 256 erase_region_size = 131072
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
fwc addr fe000000 cmd f0 00f0 16bit x 16 bit
fwc addr fe000aaa cmd aa 00aa 16bit x 16 bit
fwc addr fe000554 cmd 55 0055 16bit x 16 bit
fwc addr fe000aaa cmd 90 0090 16bit x 16 bit
Bad trap at PC: fe3a0000, SR: fe3c0000, vector=fe4a0000
NIP: FE3A0000 XER: FE440000 LR: FE420000 REGS: 07fcf6dc TRAP: fe4a0000 DAR: FE4C0000
MSR: fe3c0000 EE: 0 PR: 0 FP: 0 ME: 0 IR/DR: 00
GPR00: 02000000 00000000 0000FFFF FE000000 FE020000 FE040000 FE060000 FE080000
GPR08: FE0A0000 FE0C0000 FE0E0000 FE100000 FE120000 FE140000 FE160000 FE180000
GPR16: FE1A0000 FE1C0000 FE1E0000 FE200000 FE220000 FE240000 FE260000 FE280000
GPR24: FE2A0000 FE2C0000 FE2E0000 FE300000 FE320000 FE340000 FE360000 FE380000
Call backtrace:
Exception in kernel pc fe3a0000 signal 0
Resetting the board.

一直重复打印，是否有什么地方配置有误，请大神指正。