如何修改RK3288 调试串口UART2为普通串口

发光的大白菜

我们使用的是RK3288 android5.1系统

uart1和uart3都可以正常使用，但是uart2却只能用于调试，目前想要把uart1，uart2,和uart3都作为普通串口使用

论坛跟百度搜了好多方法修改都不成功

不知道有没有人成功把UART2修改为普通串口呢？望指点！

发光的大白菜

参考过3399的修改
http://dev.t-firefly.com/forum.php?mod=viewthread&tid=12152&highlight=%B5%F7%CA%D4%B4%AE%BF%DA
但是在3288上面修改后，还是uart2为调试口

发光的大白菜

别沉啊

发光的大白菜

jpchen 发表于 2018-2-26 09:08
1.修改
--- a/device/rockchip/common/ueventd.rockchip.rc
+++ b/device/rockchip/common/ueventd.rockc ...

替换了rk3288box-3.10-uboot.parameter.txt文件后，系统起不来，一直卡在starting kernel... 的位置

1. DDR Version 1.00 20160530
   
2. In
   
3. Channel a: DDR3 200MHz
   
4. Bus Width=32 Col=10 Bank=8 Row=15 CS=1 Die Bus-Width=16 Size=1024MB
   
5. Channel b: DDR3 200MHz
   
6. Bus Width=32 Col=10 Bank=8 Row=15 CS=1 Die Bus-Width=16 Size=1024MB
   
7. Memory OK
   
8. Memory OK
   
9. OUT
   
10. 
    
11. 
    
12. U-Boot 2014.10-RK3288-10 (Jan 14 2018 - 17:16:07)
    
13. 
    
14. CPU: rk3288
    
15. cpu version = 0
    
16. CPU's clock information:
    
17.     arm pll = 600000000HZ
    
18.     periph pll = 297000000HZ
    
19.     ddr pll = 200000000HZ
    
20.     codec pll = 384000000HZ
    
21. Board:  Rockchip platform Board
    
22. DRAM:  Found dram banks: 1
    
23. Adding bank:0000000000000000(0000000080000000)
    
24. 128 MiB
    
25. GIC CPU mask = 0x00000001
    
26. SdmmcInit = 0 400
    
27. SdmmcInit = 2 0
    
28. storage init OK!
    
29. Using default environment
    
30. 
    
31. GetParam
    
32. Load FDT from resource image.
    
33. power key: bank-0 pin-5
    
34. pmic:act8846
    
35. can't find dts node for pwm1
    
36. DCDC vdd_logic has been used, pwm regulator not init it.
    
37. Can't find dts node for fuel guage cw201x
    
38. SecureBootEn = 0, SecureBootLock = 0
    
39. 
    
40. #Boot ver: 2018-01-14#2.30
    
41. empty serial no.
    
42. checkKey
    
43. vbus = 1
    
44. no fuel gauge found
    
45. no fuel gauge found
    
46. read logo on state from dts [0]
    
47. no fuel gauge found
    
48. got recovery cmd from misc.
    
49. load fdt from resouce.
    
50. Secure Boot state: 0
    
51. kernel   @ 0x02000000 (0x006a70c0)
    
52. ramdisk  @ 0x05bf0000 (0x002ad210)
    
53. bootrk: do_bootm_linux...
    
54.    Loading Device Tree to 05600000, end 0561c4a7 ... OK
    
55. Add bank:0000000000000000, 0000000080000000
    
56. 
    
57. Starting kernel ...
    
58. 
    
59. 
    

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