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bpi-r3: Update README

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* Correct switch modes for NAND
* Remove bootbus
This commit is contained in:
Mattias Walström
2025-11-15 11:52:04 +01:00
parent 488562d485
commit 154393d2dd
1 changed files with 3 additions and 4 deletions
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board/aarch64/bananapi-bpi-r3/README.md
+3 -4
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@@ -55,7 +55,7 @@ The BPI-R3 has a 4-position DIP switch that controls boot media:
|----------|-------------|---------------------------------------|
| 0000 | SD card | Boot from microSD card (recommended) |
| 0110 | eMMC | Boot from internal eMMC storage |
| 0101 | SPI NAND | Boot from SPI NAND (advanced users) |
| 1010 | SPI NAND | Boot from SPI NAND (advanced users) |
> [!NOTE]
> Switch position is read from left to right: "0" = OFF, "1" = ON.
@@ -130,7 +130,7 @@ mtd write spi-nand0 0x50000000 0x380000 0x200000
#### Step 3: Boot from NAND
1. Power off the board
2. Set boot switches to **0101** (NAND mode)
2. Set boot switches to **1010** (NAND mode)
3. Power on - you should boot into U-Boot again
#### Step 4: Write Infix image to eMMC
@@ -156,7 +156,6 @@ mmc erase 0x0 0x400
fatload usb 0:1 0x50000000 bl2.img
mmc write 0x50000000 0x0 0x400
mmc partconf 0 1 1 0
mmc bootbus 0 0 0 0
```
#### Step 6: Boot from eMMC
@@ -184,7 +183,7 @@ Your BPI-R3 should now boot Infix from internal eMMC storage!
### eMMC boot fails after installation
- Boot from NAND (**0101**) and verify eMMC image was written
- Boot from NAND (**1010**) and verify eMMC image was written
- Check USB drive contents - ensure all files are present
- Re-run Step 5 (eMMC boot configuration)