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[PRO(R3P)] 小米路由器R3P拆机_NAND改SPI(内含高清图慎入)

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发表于 2019-6-21 02:15 | 显示全部楼层
laomao9000 发表于 2019-6-15 09:55
折腾几天,目前可以SPI运行,还没有恢复NAND,不完美修砖。
1、拆下 NAND flash.
2、准备16M/8M 的spi  ...

PandoraBox&pbboot bug R3P - 第2页 - 官方BUG反馈区 - PanguBox-盘古系统 - Powered by Discuz!

你仔细看tolikvl@4PDA网友贴的图,他按照lintel大神的教程救砖,貌似没更动NAND & SPI闪存的CE- & CS-

Xiaomi Mi Router Pro (R3P) – 4PDA
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发表于 2019-6-21 03:26 | 显示全部楼层
tolikvl 发表于 2018-11-21 17:03
TSOP 48 socket for testing nand and uboot...

You can do it on the example of R3G, 2 spi and 2 nan ...

Hi, tolikvl

I saw your post in PanguBox forum. Did you follow exactly what lintel described in his thread "Recover bricked R3G/R3P with booting from SPI flash"? Have you managed and switched the CE- of NAND flash and CS- of SPI flash? Others said that they cannot boot R3P from SPI flash without removing the NAND flash. Is there anything that you forgot to tell?

Thanks in advance.

点评

On the nand Micron, you do not need to switch anything, bootloader detects it from spi memory. On esmt it is necessary to do management on the example of R3G. If you have the skill, you can put a Mic  详情 回复 发表于 2019-6-22 13:20
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发表于 2019-6-22 13:20 | 显示全部楼层
本帖最后由 tolikvl 于 2019-6-22 10:32 编辑
fyi2000 发表于 2019-6-21 00:26
Hi, tolikvl

I saw your post in PanguBox forum. Did you follow exactly what lintel described in  ...

On the nand Micron, you do not need to switch anything, bootloader detects it from spi memory. It is only necessary to close the two contacts J11 and two J10 among themselves. To boot from the nand unlock them. On esmt, you may need to use the method with R3G for switching.
If you have the skill, you can put a Micron instead of ESMT and restore it with spi memory as new.

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Can we find a SPL flash which can coexist/co-boot with the ESMT NAND flash without managing the CS-/CE- signal just like W25Q128 and the Micron NAND flash?  详情 回复 发表于 2019-6-26 06:03
So, that's the key. I almost forgot that you had reported a bug of pb-boot on R3P with Micron NAND flash. One more question. Do the latest pb-boot and PandoraBox kernel support the Micron NAND flas  详情 回复 发表于 2019-6-23 07:24
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发表于 2019-6-22 13:45 | 显示全部楼层
本帖最后由 tolikvl 于 2019-6-22 11:27 编辑

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发表于 2019-6-23 07:24 | 显示全部楼层
本帖最后由 fyi2000 于 2019-6-23 09:38 编辑
tolikvl 发表于 2019-6-22 13:20
On the nand Micron, you do not need to switch anything, bootloader detects it from spi memory. It  ...

So, that's the key. I almost forgot that you had reported a bug of pb-boot on R3P with Micron NAND flash.

Two more questions. Do the latest pb-boot and PandoraBox kernel support the Micron NAND flash? How many versions have you tried?

Will it fully brick R3P if flashing an unsupported pb-boot over the unsupported Micron NAND flash? I bet somebody had already done that. From your bug report I can see that the old pb-boot is still capable of loading the kernel. Does it mean that the TTL / serial console is till accessible on the bootloader stage? Can it be recovered from the TTL / serial console by loading and running a working bootloader with tftp into RAM?

Thanks in advance.

点评

@tolikvl @fyi2000 奇怪啊! 我将NAND换成了micron,SPI还是无法启动!!!TTL无法应  详情 回复 发表于 2019-6-27 22:00
If you are flash an unsupported pbboot, ttl/serial will not help you, the bootloader cannot boot and checks for memory errors that are not present. The pb-boot-xiaomi_r3p-20190317-61b6d33.img version  详情 回复 发表于 2019-6-23 11:24
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发表于 2019-6-23 11:24 | 显示全部楼层
fyi2000 发表于 2019-6-23 04:24
So, that's the key. I almost forgot that you had reported a bug of pb-boot on R3P with Micron NAND ...

If you are flash an unsupported pbboot, ttl/serial will not help you, the bootloader cannot boot and checks for nand errors that are not present.
The pb-boot-xiaomi_r3p-20190317-61b6d33.img version supports micron, it must be flashed to recover from spi memory or a stock loader.
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发表于 2019-6-23 15:50 | 显示全部楼层
本帖最后由 laomao9000 于 2019-6-23 16:24 编辑

@fyi2000 @tolikvl 感谢!这下搞清楚了!两种NAND,需要不同的救砖方法。
1、Micron Nand直接短接J10,J11即可 SPI启动,比较方便。
2、我的nand是EMST,需要修改cs片选信号,或者直接焊下nand,才能spi启动。

目前编译了个SPI版本的OPENWRT固件,运行正常,可参考我的另一个帖子 : 6月16日:小米路由器PRO(R3P)改SPI flash,并适配OPENWRT
下单了,进块Micron Nand,完美救砖!!

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发表于 2019-6-23 16:40 | 显示全部楼层
本帖最后由 laomao9000 于 2019-6-23 16:45 编辑

@fyi2000,@tolikvlMT7615N支持160Mb的5G频带,我现在用自编译的OPENWRT,配置页面也有160M的选项,但网卡还是80.
网卡是intel ax200,官方驱动,是不是打开160M需要特殊驱动?



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With the drivers WiFi of trouble, there is no one working under the latest core of OpenWRT. On the Russian forum 4 pda on the R3P, they put the firmware from the router Keenetic KN-1810. Everything w  详情 回复 发表于 2019-6-24 15:05
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发表于 2019-6-24 15:05 | 显示全部楼层
laomao9000 发表于 2019-6-23 13:40
@fyi2000,@tolikvlMT7615N支持160Mb的5G频带,我现在用自编译的OPENWRT,配置页 ...

With the drivers WiFi of trouble, there is no one working under the latest core of OpenWRT.
On the Russian forum 4 pda on the R3P, they put the firmware from the router Keenetic KN-1810. Everything works perfectly on it, but it is difficult to install and it is paid. Also on it there is no source, stitch dump KH-1810. Better firmware for Russia is not at 3P.There is also a correct Breed bootloader from 3G, it starts and runs on memory nand . It fixes the amount of RAM up to 512 MB, and the developer of the Breed does not officially collect it.

点评

Wifi is Still unsupported, no MT7615 driver. I downloaded the closed source drivers from MTK MT7622_7615_SoftAP_v5.0.2.0_20180430.tar.xz.This driver should support 160MHZ chanel bandwidth. I set 160  详情 回复 发表于 2019-6-24 15:36
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发表于 2019-6-24 15:36 | 显示全部楼层
本帖最后由 laomao9000 于 2019-6-24 15:39 编辑
tolikvl 发表于 2019-6-24 15:05
With the drivers WiFi of trouble, there is no one working under the latest core of OpenWRT.
On th ...

R3P's Wifi is Still unsupported, no MT7615 driver in Openwrt release.
I downloaded the closed source drivers for MTK—— MT7622_7615_SoftAP_v5.0.2.0_20180430.tar.xz.This driver should support 160MHZ chanel bandwidth.
I set 160MHZ channel bandwidth on router,but my WLAN NIC display 80MHZ.

点评

We need a Breed for R3P .. I wrote in the thread on the Breed, but for some reason the developer does not want to do it under R3P. https://www.right.com.cn/forum/thread-161906-1-1.html  详情 回复 发表于 2019-6-24 17:14
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发表于 2019-6-24 17:14 | 显示全部楼层
laomao9000 发表于 2019-6-24 12:36
R3P's Wifi is Still unsupported, no MT7615 driver in Openwrt release.
I downloaded the closed sou ...

We need a Breed for R3P .. I wrote in the thread on the Breed, but for some reason the developer does not want to do it under R3P. https://www.right.com.cn/forum/thread-161906-1-1.html

点评

http://4pda.ru/forum/index.php?showtopic=810698&view=findpost&p=85792975 Is this mentioned in 4PDA available? It seems to be used on the R3P.  详情 回复 发表于 2019-6-24 23:08
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发表于 2019-6-24 23:08 | 显示全部楼层
tolikvl 发表于 2019-6-24 17:14
We need a Breed for R3P .. I wrote in the thread on the Breed, but for some reason the developer d ...

http://4pda.ru/forum/index.php?s ... post&p=85792975
Is this mentioned in 4PDA  available? It seems to be used on the R3P.

点评

Use breed from this theme. The non-corrected breed from R3G will not work, it will not start due to RAM 256 mb ..  详情 回复 发表于 2019-6-25 10:43
Yes it works. tested on r3p ..  详情 回复 发表于 2019-6-25 10:34
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发表于 2019-6-25 10:34 来自手机 | 显示全部楼层
laomao9000 发表于 2019-6-24 20:08
http://4pda.ru/forum/index.php?showtopic=810698&view=findpost&p=85792975
Is this mentioned in 4PD ...

Yes it works. tested on r3p ..
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发表于 2019-6-25 10:43 来自手机 | 显示全部楼层
laomao9000 发表于 2019-6-24 20:08
http://4pda.ru/forum/index.php?showtopic=810698&view=findpost&p=85792975
Is this mentioned in 4PD ...

Use breed from this theme. The non-corrected breed from R3G will not work, it will not start due to RAM 256 mb ..

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发表于 2019-6-26 06:03 | 显示全部楼层
本帖最后由 fyi2000 于 2019-7-9 11:19 编辑
tolikvl 发表于 2019-6-22 13:20
On the nand Micron, you do not need to switch anything, bootloader detects it from spi memory. It  ...

Can we find an SPI flash which can co-exist/co-boot with the ESMT NAND flash without managing the CS-/CE- signals just like W25Q128 and the Micron NAND flash?

BTW, can we replace the onboard ESMT NAND flash of R3G with another one so that it can co-exist/co-boot with W25Q128 without managing the CS-/CE- signals? Can we install the latest u-boot of R3P over R3G to support Micron NAND flash?

Old u-boot supports,
  1. F59L1G81A
  2. F59L2G81A
  3. F59L4G81A
  4. K9K8G8000
  5. MX30LF1G08AA
  6. MX30LF1G18AC
  7. MX30LF2G18AC
  8. MX30LF4G18AC
  9. MT29F16G08ABAB
  10. TC58NVG3S0F
  11. S34ML01G100TF
  12. S34ML02G200TF
  13. S34ML04G200TF
复制代码
Latest u-boot supports,
  1. F59L1G81A
  2. F59L2G81A
  3. F59L4G81A
  4. K9K8G8000
  5. MX30LF1G08AA
  6. MX30LF1G18AC
  7. MX30LF2G18AC
  8. MX30LF4G18AC
  9. MT29F16G08ABAB
  10. MT29F2G08ABAEA
  11. TC58NVG3S0F
  12. S34ML01G100TF
  13. S34ML02G200TF
  14. S34ML04G200TF
  15. W29N02GVSIAA
复制代码
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