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Clarify PDC interrupt use
Line 14:
Line 14:
| MPCore software-interrupt. Not configured.+|-
−| 0x1
−|
−
| 0
| 0
|
|
−| MPCore software-interrupt. Used by Kernel11 to sync cores in crt0.
−| MPCore software-interrupt. Used by BOOT11 to kickstart Core1.
|-
|-
−| 0x2-0x3
+| 0x1-0x3
|
|
−| MPCore software-interrupt. Seem to be unused.
+| MPCore software-interrupt. Used by Boot11 and Kernel11 to kickstart Core1/2/3, and by Kernel11 to sync cores in crt0.
|-
|-
| 0x4
| 0x4
| Kernel
| Kernel
−| MPCore software-interrupt. Used to manage the performance counter.
+| MPCore software-interrupt. Used to manage the performance counter. Also used by Kernel11 during crt0 to sync up.
|-
|-
| 0x5
| 0x5
Line 92:
Line 88:
| 0x2A
| 0x2A
| gsp, TwlBg
| gsp, TwlBg
−| PDC0 (VBlank0)
+| PDC0 (Top screen VBlank0, HBlank0)
|-
|-
| 0x2B
| 0x2B
| gsp, TwlBg
| gsp, TwlBg
−| PDC1 (VBlank1)
+| PDC1 (Bottom screen VBlank1, HBlank1)
|-
|-
| 0x2C
| 0x2C
Line 240:
Line 236:
| 0x60
| 0x60
| gpio, TwlBg
| gpio, TwlBg
−| Shell opened
+| Shell opened (GPIO1_2 falling edge)
|-
|-
| 0x62
| 0x62
| gpio, TwlBg
| gpio, TwlBg
−| Shell closed
+| Shell closed (GPIO1_2 rising edge)
|-
|-
| 0x63
| 0x63
| gpio, TwlBg
| gpio, TwlBg
−| Touchscreen Pen Down
+| Touch Screen pressed (GPIO1_1 falling edge)
|-
|-
| 0x64
| 0x64
| gpio, TwlBg
| gpio, TwlBg
−| Headphone jack plugged in/out
+| Headphones inserted (GPIO2_0)
|-
|-
| 0x66
| 0x66
| gpio, TwlBg
| gpio, TwlBg
−| GPIO2_1
+| TWL depop circuit (GPIO2_1)
|-
|-
| 0x68
| 0x68
| gpio, TwlBg
| gpio, TwlBg
−| C-stick Interrupt
+| C-stick interrupt (GPIO3_0)
|-
|-
| 0x69
| 0x69
| gpio, TwlBg
| gpio, TwlBg
−| IrDA Interrupt
+| IrDA interrupt (active-low) (GPIO3_1)
|-
|-
| 0x6A
| 0x6A
| gpio, TwlBg
| gpio, TwlBg
−| Gyro Interrupt
+| Gyro interrupt (GPIO3_2)
|-
|-
| 0x6B
| 0x6B
| gpio, TwlBg
| gpio, TwlBg
−| GPIO3_3
+| C-stick "stop" (output) (GPIO3_3)
|-
|-
| 0x6C
| 0x6C
| gpio, TwlBg
| gpio, TwlBg
−| GPIO3_4
+| IrDA TX-RC (output) (GPIO3_4)
|-
|-
| 0x6D
| 0x6D
| gpio, TwlBg
| gpio, TwlBg
−| GPIO3_5
+| IrDA RXD (GPIO3_5)
|-
|-
| 0x6E
| 0x6E
| gpio, TwlBg
| gpio, TwlBg
−| GPIO3_6
+| NFC output1 (?) (GPIO3_6)
|-
|-
| 0x6F
| 0x6F
| gpio, TwlBg
| gpio, TwlBg
−| GPIO3_7
+| NFC output2 (?) (GPIO3_7)
|-
|-
| 0x70
| 0x70
| gpio, TwlBg
| gpio, TwlBg
−| GPIO3_8
+| Headphones button/half-inserted (active-low) (GPIO3_8)
|-
|-
| 0x71
| 0x71
| gpio, TwlBg
| gpio, TwlBg
−| MCU (HOME/POWER pressed/released or WiFi switch pressed, etc.)
+| MCU interrupt (GPIO3_9)
|-
|-
| 0x72
| 0x72
| gpio, TwlBg
| gpio, TwlBg
−| NFC
+| NFC interrupt (?) (GPIO3_10)
|-
|-
| 0x73
| 0x73
| TwlBg
| TwlBg
−| GPIO3_11
+| QTM output (?) (GPIO3_11)
|-
|-
| 0x74
| 0x74