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Explore I2C

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Lee Lup Yuen 2023-10-19 12:14:19 +08:00
parent 61f3335ae9
commit 3e368e0592
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README.md
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@ -7619,7 +7619,17 @@ Let's explore the I2C Controller for Star64 JH7110. We need the I2C for control
According to the [I2C Device Tree Configuration](https://doc-en.rvspace.org/VisionFive2/DG_I2C/JH7110_SDK/i2c_source_code.html): I2C Port 0 Base Address is 0x10030000, with range 0x10000.
(There are 7 I2C Ports: I2C0 to I2C6)
There are 7 I2C Ports: I2C0 to I2C6. From [JH7110 System Memory Map](https://doc-en.rvspace.org/JH7110/TRM/JH7110_TRM/system_memory_map.html)...
| Start Address | End Address | Size | Attribute | Device/Description |
|-|-|-|-|-|
| 0x00_1003_0000 | 0x00_1003_FFFF | 64KB | RW A | I2C0
| 0x00_1004_0000 | 0x00_1004_FFFF | 64KB | RW A | I2C1
| 0x00_1005_0000 | 0x00_1005_FFFF | 64KB | RW A | I2C2
| 0x00_1203_0000 | 0x00_1203_FFFF | 64KB | RW A | I2C3
| 0x00_1204_0000 | 0x00_1204_FFFF | 64KB | RW A | I2C4
| 0x00_1205_0000 | 0x00_1205_FFFF | 64KB | RW A | I2C5
| 0x00_1206_0000 | 0x00_1206_FFFF | 64KB | RW A | I2C6
Let's dump the I2C Registers with U-Boot Bootloader...