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开机橙光常亮 无法连接路由器
使用 ttl 连接无法正常进入 uboot
日志最后报检查内存错误 Memory size check error
刷机参考贴为 :https://blog.csdn.net/flyhorstar/article/details/95729059
日志如下
- MT7621 stage1 code 10:33:11 (ASIC)
- CPU=50000000 HZ BUS=16666666 HZ
- ==================================================================
- Change MPLL source from XTAL to CR...
- do MEMPLL setting..
- MEMPLL Config : 0x11100000
- 3PLL mode + External loopback
- === XTAL-40Mhz === DDR-1200Mhz ===
- PLL2 FB_DL: 0xe, 1/0 = 579/445 39000000
- PLL3 FB_DL: 0x12, 1/0 = 564/460 49000000
- PLL4 FB_DL: 0x1b, 1/0 = 592/432 6D000000
- do DDR setting..[00320381]
- Apply DDR3 Setting...(use customer AC)
- 0 8 16 24 32 40 48 56 64 72 80 88 96 104 112 120
- --------------------------------------------------------------------------------
- 0000:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0001:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0002:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0003:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0004:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0005:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0006:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0007:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0008:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0009:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 000A:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 000B:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 000C:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 000D:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
- 000E:| 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
- 000F:| 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0
- 0010:| 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
- 0011:| 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0012:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0013:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0014:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0015:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0016:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0017:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0018:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 0019:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 001A:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 001B:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 001C:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 001D:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 001E:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- 001F:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- rank 0 coarse = 15
- rank 0 fine = 72
- B:| 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0
- opt_dle value:10
- DRAMC_R0DELDLY[018]=00002020
- ==================================================================
- RX DQS perbit delay software calibration
- ==================================================================
- 1.0-15 bit dq delay value
- ==================================================================
- bit| 0 1 2 3 4 5 6 7 8 9
- --------------------------------------
- 0 | 9 7 9 9 7 9 7 7 4 6
- 10 | 7 11 7 9 6 8
- --------------------------------------
- ==================================================================
- 2.dqs window
- x=pass dqs delay value (min~max)center
- y=0-7bit DQ of every group
- input delay:DQS0 =32 DQS1 = 32
- ==================================================================
- bit DQS0 bit DQS1
- 0 (1~61)31 8 (1~63)32
- 1 (1~59)30 9 (1~61)31
- 2 (1~60)30 10 (0~62)31
- 3 (1~63)32 11 (2~61)31
- 4 (1~62)31 12 (1~60)30
- 5 (1~61)31 13 (1~60)30
- 6 (1~60)30 14 (1~62)31
- 7 (1~63)32 15 (1~61)31
- ==================================================================
- 3.dq delay value last
- ==================================================================
- bit| 0 1 2 3 4 5 6 7 8 9
- --------------------------------------
- 0 | 10 9 11 9 8 10 9 7 4 7
- 10 | 8 12 9 11 7 9
- ==================================================================
- ==================================================================
- TX perbyte calibration
- ==================================================================
- DQS loop = 15, cmp_err_1 = ffff0000
- dqs_perbyte_dly.last_dqsdly_pass[0]=15, finish count=1
- dqs_perbyte_dly.last_dqsdly_pass[1]=15, finish count=2
- DQ loop=15, cmp_err_1 = ffff0000
- dqs_perbyte_dly.last_dqdly_pass[0]=15, finish count=1
- dqs_perbyte_dly.last_dqdly_pass[1]=15, finish count=2
- byte:0, (DQS,DQ)=(8,8)
- byte:1, (DQS,DQ)=(8,8)
- 20,data:88
- [EMI] DRAMC calibration passed
- ===================================================================
- MT7621 stage1 code done
- CPU=50000000 HZ BUS=16666666 HZ
- ===================================================================
- U-Boot 1.1.3 (Jul 13 2017 - 17:10:56)
- Board: Ralink APSoC DRAM: 128 MB
- Power on memory test. Memory size= 128 MB...
- Memory size check error. Expecting 256 MB.
- FAILED!
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