MSIF Registers
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MMIO Interface
| Name | Physical address |
|---|---|
| SceMsif | 0xE0900000 |
Registers
| Offset | Size | Description |
|---|---|---|
| 0x00 | 2 | Command ID? |
| 0x02 | 2 | ?? |
| 0x04 | 2 | Control? |
| 0x08 | 2 | Result |
| 0x0C | 4 | Flags? |
| 0x10 | 2 | Number of sectors of the command? |
| 0x20 | 2 | FIFO? |
| 0x24 | 1 | Command FIFO |
| 0x30 | 2 | MS TPC Command |
| 0x34 | 4 | MS Data FIFO |
| 0x38 | 2 | MS Status |
| 0x3C | 2 | MS System control |
| 0x80 | 4 | Port 0 I/O request address |
| 0x84 | 4 | Port 0 I/O request unknown |
| 0x88 | 4 | Port 0 I/O request size and flags |
| 0x90 | 4 | Port 1 I/O request address |
| 0x94 | 4 | Port 1 I/O request unknown |
| 0x98 | 4 | Port 1 I/O request size and flags |
MS TPC Command
| Bit(s) | Description |
|---|---|
| 0-10 | Size |
| 12-15 | TPC |
MS Status
| Bit(s) | Description |
|---|---|
| 8 | Timeout |
| 9 | CRC Error |
| 12 | Ready |
| 14 | FIFO Ready |
MS System control
| Bit(s) | Description |
|---|---|
| 6-7 | Clock or bus mode. 0b01 = Serial |
| 15 | Reset |