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MMIO Interfaces
| Name
|
Physical address
|
| SceGpio0Reg
|
0xE20A0000
|
| SceGpio1Reg
|
0xE0100000
|
Registers
| Offset
|
Size
|
Description
|
| 0x00
|
4
|
Port mode (1=out, 0=in) (1 bit each port)
|
| 0x04
|
4
|
Port read (1=low, 0=high?) (1 bit each port)
|
| 0x08
|
4
|
Port set (1 bit each port)
|
| 0x0C
|
4
|
Port clear (1 bit each port)
|
| 0x14
|
4
|
Interrupt mode (2 bits) for interrupts 0-15
|
| 0x18
|
4
|
Interrupt mode (2 bits) for interrupts 16-31
|
| 0x34
|
4
|
Port read latched? (1=low, 0=high?) (1 bit each port)
|
| 0x38
|
4
|
Interrupt status? (1 bit each port)
|
| 0x3C
|
4
|
Interrupt status? (1 bit each port)
|
| 0x40
|
4
|
Interrupt status? (1 bit each port)
|
| 0x44
|
4
|
Interrupt status? (1 bit each port)
|
| 0x48
|
4
|
Interrupt status? (1 bit each port)
|
GPIO Bus 0 ports
| Port
|
Description
|
| 0
|
OLED/LCD
|
| 1
|
unk
|
| 2
|
unk
|
| 3
|
Syscon related (output)
|
| 4
|
Syscon related (input)
|
| 5
|
UDCD (USB Device Controller Driver) related
|
| 6
|
Game Card reader LED
|
| 7
|
PS Button Blue LED (only blue ?? no red?)
|
| 8
|
unk
|
| 9
|
Camera
|
| 10
|
unk. Used in 0.996 SceEnumWakeUp.
|
| 11
|
unk. Used in 0.996 SceEnumWakeUp.
|
| 12
|
UDCD (USB Device Controller Driver) related
|
| 13
|
HDMI related (input)
|
| 14
|
unk
|
| 15
|
HDMI related (output)
|
| 16
|
GPO 0 (General Purpose Output - DevKit LED 0)
|
| 17
|
GPO 1 (General Purpose Output - DevKit LED 1)
|
| 18
|
GPO 2 (General Purpose Output - DevKit LED 2)
|
| 19
|
GPO 3 (General Purpose Output - DevKit LED 3)
|
| 20
|
GPO 4 (General Purpose Output - DevKit LED 4)
|
| 21
|
GPO 5 (General Purpose Output - DevKit LED 5)
|
| 22
|
GPO 6 (General Purpose Output - DevKit LED 6)
|
| 23
|
GPO 7 (General Purpose Output - DevKit LED 7)
|
| 24
|
UDCD (USB Device Controller Driver) related
|
| 25
|
unk
|
| 26
|
unk
|
| 27
|
Motion related
|
| 28
|
Motion related
|
| 29
|
SDIF related
|
| 30
|
3G Modem related
|
| 31
|
unk
|
GPIO Bus 1 ports
| Port
|
Description
|
| 7
|
LCD related. Backlight?
|