Difference between revisions of "I2C Registers"
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(Created page with "== MMIO Interfaces == {| class='wikitable' |- ! Name ! Physical address |- | SceI2c0Reg | 0xE0500000 |- | SceI2c1Reg | 0xE0510000 |} == Registers == {| class='wikitable' |- !...") |
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| (20 intermediate revisions by 2 users not shown) | |||
| Line 21: | Line 21: | ||
| 0x00 | | 0x00 | ||
| 4 | | 4 | ||
| − | | | + | | Write FIFO |
|- | |- | ||
| 0x04 | | 0x04 | ||
| 4 | | 4 | ||
| − | | Read | + | | Read FIFO |
|- | |- | ||
| 0x08 | | 0x08 | ||
| Line 41: | Line 41: | ||
| 0x14 | | 0x14 | ||
| 4 | | 4 | ||
| − | | Flags | + | | [[#I2C Flags|Flags]] |
| + | |- | ||
| + | | 0x18 | ||
| + | | 4 | ||
| + | | Speed | ||
| + | |- | ||
| + | | 0x28 | ||
| + | | 4 | ||
| + | | Interrupts | ||
| + | |} | ||
| + | |||
| + | == I2C Flags == | ||
| + | {| class="wikitable" border="1" | ||
| + | ! 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 == | ||
| + | {| class="wikitable" border="1" | ||
| + | ! 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 | ||
|} | |} | ||
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 |