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U-Boot 2013.01 (Nov 25 2013 - 21:19:0
CPU: 8536, Version: 1.2, (0x80370092)
Core: E500, Version: 3.0, (0x80210030)
Clock Configuration:
CPU0:1333.320 MHz,
CCB:533.328 MHz,
DDR:266.664 MHz (533.328 MT/s data rate) (Synchronous), LBC:33.333 MHz
L1: D-cache 32 kB enabled
I-cache 32 kB enabled
Board: ******ATCI MPC8536 COME COMPUTER MODULE****
uboot >>>>>>>>>>stop againI2C: ready
SPI: ready
DRAM: Detected UDIMM M471B2873FHS-CH9
FSLDDR: cs[0]_config = 0x80044202
FSLDDR: cs[0]_config_2 = 0x00000000
FSLDDR: cs[1]_config = 0x00000000
FSLDDR: cs[1]_config_2 = 0x00000000
FSLDDR: timing_cfg_0 = 0x40110104
FSLDDR: timing_cfg_3 = 0x00010000
FSLDDR: timing_cfg_1 = 0x4a496646
FSLDDR: timing_cfg_2 = 0x0528ccc8
FSLDDR: ddr_cdr1 = 0x00000000
FSLDDR: ddr_cdr2 = 0x00000000
FSLDDR: ddr_sdram_cfg = 0xc7000000
DDR: ddr_data_init = 0xdeadbeef
FSLDDR: ddr_sdram_cfg_2 = 0x24401050
FSLDDR: ddr_sdram_mode = 0x00441011
FSLDDR: ddr_sdram_mode_2 = 0x00000000
FSLDDR: ddr_sdram_interval = 0x08200100
FSLDDR: clk_cntl = 0x03800000
FSLDDR: timing_cfg_4 = 0x00220001
FSLDDR: timing_cfg_5 = 0x01401400
FSLDDR: zq_cntl = 0x89080600
FSLDDR: wrlvl_cntl = 0x8675f608
FSLDDR: wrlvl_cntl_2 = 0x00000000
FSLDDR: wrlvl_cntl_3 = 0x00000000
1 GiB (DDR3, 64-bit, CL=5, ECC off)
Top of RAM usable for U-Boot at: 40000000
Reserving 780k for U-Boot at: 3ff30000
Reserving 1032k for malloc() at: 3fe2e000
uboot >>>>>>>>>>stop again
以上是我的uboot打印信息,在初始化SDRAM的时候,到了预留一块malloc空间后就挂掉了,后面的板级信息空间、全局数据的申请都没过去,这是为什么?不知道哪里出问题了?我用的处理器是mpc8536,内存用的是三星的DDR3 1G 1333M。大家看到了尽情猜测问题会在哪,小弟先在此谢过。还有这个硬件电路时自己设计的,是不是以上信息可以说明DDR3内存部分电路设计正确了? |
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