Registers
GPIO
| Name
|
Address
|
Width
|
GPIO bitmasks associated with this register
|
| GPIO_DATA0
|
0x10147000
|
2
|
0x1, 0x2, 0x4
|
| GPIO_DATA1
|
0x10147010
|
4
|
0x8, 0x10
|
| GPIO_DATA2
|
0x10147014
|
2
|
0x20
|
| GPIO_DATA3
|
0x10147020
|
2
|
0x40, 0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000, 0x10000, 0x20000
|
| GPIO_DATA3_INTERRUPT_CLEAR
|
0x10147022
|
2
|
0x40, 0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000, 0x10000, 0x20000
|
| ??
|
0x10147024
|
2
|
0x40, 0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000, 0x10000, 0x20000
|
| ?
|
0x10147026
|
2
|
?
|
| GPIO_DATA4
|
0x10147028
|
2
|
0x40000
|
Legacy RTC
| Name
|
Address
|
Width
|
Description
|
| RTC_CNT
|
0x10147100
|
2
|
Control register
|
| RTC_REG_STAT1
|
0x10147110
|
1
|
Rtc status register 1 (command 0). Bitswapped
|
| RTC_REG_STAT2
|
0x10147111
|
1
|
Rtc status register 2 (command 1). Bitswapped
|
| RTC_REG_CLKADJ
|
0x10147112
|
1
|
Rtc clock adjustment register (command 6). Bitswapped
|
| RTC_REG_FREE
|
0x10147113
|
1
|
The free general purpose rtc register (command 7). Bitswapped
|
| RTC_REG_TIME1
|
0x10147120
|
4
|
Byte-wise bit-swapped (bit7 is bit0, etc.) BCD RTC (byte0 = seconds, byte1 = minutes, byte2 = hours, byte3 = day of week)
|
| RTC_REG_TIME2
|
0x10147124
|
4 (3?)
|
Day, month and year all byte-wise bit-swapped
|
| RTC_REG_ALRMTIM1
|
0x10147130
|
4 (3?)
|
Rtc alarm time register 1 (command 4). Byte-wise bit-swapped
|
| RTC_REG_ALRMTIM2
|
0x10147134
|
4 (3?)
|
Rtc alarm time register 2 (command 5). Byte-wise bit-swapped
|
| RTC_REG_COUNT
|
0x10147140
|
4 (3?)
|
Rtc dsi counter register (ex command 0). Byte-wise bit-swapped
|
| RTC_REG_FOUT1
|
0x10147150
|
1
|
Rtc dsi fout register 1 (ex command 1). Bitswapped
|
| RTC_REG_FOUT2
|
0x10147151
|
1
|
Rtc dsi fout register 2 (ex command 2). Bitswapped
|
| RTC_REG_ALRMDAT1
|
0x10147160
|
4 (3?)
|
Rtc dsi alarm date register 1 (ex command 4). Byte-wise bit-swapped
|
| RTC_REG_ALRMDAT2
|
0x10147164
|
4 (3?)
|
Rtc dsi alarm date register 2 (ex command 5). Byte-wise bit-swapped
|
Descriptions
0x10147010
| Bit
|
Description
|
| 24
|
Enable/disable? GPIO interrupt 0x64 (bitmask 0x8)
|
| 25
|
Enable/disable? GPIO interrupt 0x66 (bitmask 0x10)
|
0x10147026
| Bit
|
Description
|
| 0-8
|
?
|
| 9
|
Enable/disable interrupt 0x71.
|
| 10-15
|
?
|
GPIO_DATA
GPIO_DATA0
| Bit
|
Description
|
| 0-2
|
Used for GPIO bitmask 0x7.
|
| 1
|
DS EXTKEYIN Pen down (0 = touching, 1 = not touching)
|
| 3
|
Unused by GPIO-sysmodule and TwlBg.
|
| 4
|
Only used by Boot11.
|
| 5-15
|
Unused by GPIO-sysmodule and TwlBg.
|
GPIO_DATA1
| Bit
|
Description
|
| 0-1
|
Used for GPIO bitmask 0x18.
|
| 2-31
|
Unused by GPIO-sysmodule and TwlBg.
|
GPIO_DATA2
| Bit
|
Description
|
| 0
|
Used for GPIO bitmask 0x20.
|
| 1-15
|
Unused by GPIO-sysmodule and TwlBg.
|
GPIO_DATA3
| Bit
|
Description
|
| 0-11
|
Used for GPIO bitmask 0x3FFC0.
|
| 12-31
|
Unused by GPIO-sysmodule and TwlBg.
|
GPIO_DATA4
| Bit
|
Description
|
| 0
|
Used for GPIO bitmask 0x40000.
|
| 1-15
|
Unused by GPIO-sysmodule and TwlBg.
|
Legacy RTC
RTC_CNT (0x10147100)
| Bit
|
Description
|
| 0
|
Latch STAT1
|
| 1
|
Latch STAT2
|
| 2
|
Latch CLKADJ
|
| 3
|
Latch FREE
|
| 4
|
Latch TIME
|
| 5
|
Latch ALRMTIM1
|
| 6
|
Latch ALRMTIM2
|
| 7
|
Latch COUNT
|
| 8
|
Latch FOUT1
|
| 9
|
Latch FOUT2
|
| 10
|
Latch ALRMDAT1
|
| 11
|
Latch ALRMDAT2
|
| 12
|
ARM7 Busy? This may be chipselect
|
| 13
|
ARM7 write command received? (writing 1 clears it seems)
|
| 14
|
ARM7 read command recieved? (writing 1 clears it seems)
|
| 15
|
DS SIO SI pin (rtc irq pin)
|
Default values
After bootrom initialization, these are the values of the registers:
| Address
|
Value
|
| 0x10147000
|
0x0003
|
| 0x10147010
|
0x00000002
|
| 0x10147014
|
0x0000
|
| 0x10147020
|
0x00000DFB
|
| 0x10147024
|
0x00000000
|
| 0x10147028
|
0x0000
|