I2C Registers: Difference between revisions
Jump to navigation
Jump to search
(Created page with "== MMIO Interfaces == {| class='wikitable' |- ! Name ! Physical address |- | SceI2c0Reg | 0xE0500000 |- | SceI2c1Reg | 0xE0510000 |} == Registers == {| class='wikitable' |- !...") |
CelesteBlue (talk | contribs) |
||
| (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 |