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Added Flash memory layout, minor fixes.

pull/343/head
Pun0110 2024-03-20 11:18:47 +03:00
parent aab34538a1
commit 0aed16a5f9
1 changed files with 16 additions and 6 deletions
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22
en/device-IPC-RM1-BLK7202V3-M43A-WIFI.md
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@ -9,6 +9,7 @@
- [SD Card](#SD-Card)
- [Speaker](#Speaker)
- [Flashing](#Flashing)
- [Flash memory layout](#Flash-memory-layout)
- [Summary](#Summary)
- [TODO](#TODO)
@ -84,7 +85,7 @@ Connectors type JST 1.25mm
| 57* | LED pin 3 | IRSens |
| 58 | IRCUT pin 2 | LO - IRCUT OFF |
| 70 | - | SD PWR (LO - Power ON) |
| 51 | - | AUDIO |
| 51 | - | AUDIO AMP |
\* - unconfirmed.
@ -104,7 +105,7 @@ devmem 0x120c0018 32 0x1d02 # GPIO1_6 (GPIO14)
devmem 0x120c001c 32 0x1402 # GPIO1_7 (GPIO15)
```
Shortly after **Loading of kernel modules...** GPIO13 turns to HI (one of motors coil constantly powered), so maybe nessesary turn it to LO:
Shortly after **Loading of kernel modules...** GPIO13 turns to HI (one of motors winding constantly powered), so maybe necesary turn it to LO:
```sh
gpio clear 13
gpio unexport 13
@ -145,11 +146,20 @@ curl -v -u user:pass -H "Content-Type: application/json" -X POST --data-binary @
```
# Flashing
Stock firmware is pwd locked, LAN interface does not present, so I'm guessing following methods are available to flash this board:
- [burn](https://github.com/OpenIPC/burn) + [u-boot-gk7202v300-universal.bin](https://github.com/OpenIPC/firmware/releases/download/latest/u-boot-gk7202v300-universal.bin) and loading FW thru X/Y/ZMODEM (e.g. loady. Tip: use baud option for speed up)
- load FW from SD card (need power ON, see above)
Stock firmware is pwd locked and LAN interface does not present, so I'm guessing following methods are available to flash this board:
- [burn](https://github.com/OpenIPC/burn) + [u-boot-gk7202v300-universal.bin](https://github.com/OpenIPC/firmware/releases/download/latest/u-boot-gk7202v300-universal.bin) and then upload FW via X/Y/ZMODEM (e.g. **loady**. Tip: use **baud** option for speed up) or from SD card (power supply required, [see above](#SD-Card))
- load full image thru stock web interface (untested)
- Flash programmer
- flash programmer
- somehow get into stock bootloader
## Flash memory layout
| Offset | Size | Description |
|:-|:-|:-|
| 0x00000000 | 0x00040000 (262144 bytes) | bootloader |
| 0x00040000 | 0x00010000 (65536 bytes) | env |
| 0x00050000 | 0x00200000 (2097152 bytes) | kernel |
| 0x00250000 | 0x00500000 (5242880 bytes) | rootfs |
| 0x00750000 | 0x000B0000 (720896 bytes) | rootfs_data |
# Summary
- [X] WiFi works