I2C Registers: Difference between revisions
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| 4 | | 4 | ||
| [[#I2C Flags|Flags]] | | [[#I2C Flags|Flags]] | ||
|- | |||
| 0x18 | |||
| 4 | |||
| Speed | |||
|- | |||
| 0x28 | |||
| 4 | |||
| Interrupts | |||
|} | |} | ||
| Line 80: | Line 88: | ||
|- | |- | ||
| ? | | ? | ||
| ?0x40? | |||
| ?[[Pervasive#ScePervasiveMisc_.280xE3100000.29]]?. Read by [[Syscon UART RPC]] command 0x121. | |||
|- | |||
| ? | |||
| ?0x44? | |||
| Unknown. Maybe read by some [[Syscon UART RPC]] command. | |||
|- | |||
| 0 | |||
| 0x74 | |||
| SceCamera (Camera0) | |||
|- | |||
| 1 | |||
| 0x74 | | 0x74 | ||
| | | SceCamera (Camera1) | ||
|- | |||
| 1 | |||
| 0x70 | |||
| SceHdmi ADV7533 Packet Memory I2C Map Address | |||
|- | |- | ||
| 1 | | 1 | ||
| 0x7A | | 0x7A | ||
| | | SceHdmi ADV7533 main address | ||
|- | |||
| 1 | |||
| 0x7C | |||
| SceHdmi ADV7533 CEC | |||
|- | |- | ||
| 1 | | 1 | ||
| | | 0x7E | ||
| | | SceHdmi ADV7533 EDID | ||
|- | |||
| 1 | |||
| 0xC8 | |||
| LCD brightness | |||
|- | |||
| 0 | |||
| 0x94 | |||
| Unknown. | |||
|- | |- | ||
| 0 | | 0 | ||
Latest revision as of 21:03, 10 January 2024
MMIO Interfaces
| Name | Physical address |
|---|---|
| SceI2c0Reg | 0xE0500000 |
| SceI2c1Reg | 0xE0510000 |
Registers
| Offset | Size | Description |
|---|---|---|
| 0x00 | 4 | Write FIFO |
| 0x04 | 4 | Read FIFO |
| 0x08 | 4 | Unknown |
| 0x0C | 4 | Unknown |
| 0x10 | 4 | Device address (8 bits) |
| 0x14 | 4 | Flags |
| 0x18 | 4 | Speed |
| 0x28 | 4 | Interrupts |
I2C Flags
| Bit(s) | Description |
|---|---|
| 0 | Start transfer / enable? |
| 1 | Start transfer / enable? |
| 2 | Transfer done |
| 4 | Transfer direction (0 = host to device, 1 = device to host)? |
| 8-16 | Transfer size |
I2C Devices
| I2C bus | I2C Device address | Device Description |
|---|---|---|
| 1 | 0x18 | SceMotionDev |
| 0 | 0x34 | SceCodec |
| ? | ?0x40? | ?Pervasive#ScePervasiveMisc_.280xE3100000.29?. Read by Syscon UART RPC command 0x121. |
| ? | ?0x44? | Unknown. Maybe read by some Syscon UART RPC command. |
| 0 | 0x74 | SceCamera (Camera0) |
| 1 | 0x74 | SceCamera (Camera1) |
| 1 | 0x70 | SceHdmi ADV7533 Packet Memory I2C Map Address |
| 1 | 0x7A | SceHdmi ADV7533 main address |
| 1 | 0x7C | SceHdmi ADV7533 CEC |
| 1 | 0x7E | SceHdmi ADV7533 EDID |
| 1 | 0xC8 | LCD brightness |
| 0 | 0x94 | Unknown. |
| 0 | 0xD2 | SceClockgen |