Difference between revisions of "GPIO Registers"
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| Line 35: | Line 35: | ||
| 2 | | 2 | ||
| 0x40, 0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000, 0x10000, 0x20000 | | 0x40, 0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000, 0x10000, 0x20000 | ||
| + | |- | ||
| + | | ? | ||
| + | | [[#0x10147026|0x10147026]] | ||
| + | | 2 | ||
| + | | ? | ||
|- | |- | ||
| GPIO_DATA4 | | GPIO_DATA4 | ||
| Line 53: | Line 58: | ||
| 25 | | 25 | ||
| Enable/disable? GPIO interrupt 0x66 (bitmask 0x10) | | Enable/disable? GPIO interrupt 0x66 (bitmask 0x10) | ||
| + | |} | ||
| + | |||
| + | == 0x10147026 == | ||
| + | |||
| + | {| class="wikitable" border="1" | ||
| + | ! Bit | ||
| + | ! Description | ||
| + | |- | ||
| + | | 0-8 | ||
| + | | ? | ||
| + | |- | ||
| + | | 9 | ||
| + | | Enable/disable interrupt 0x71. | ||
| + | |- | ||
| + | | 10-15 | ||
| + | | ? | ||
|} | |} | ||
Revision as of 04:33, 23 June 2017
Registers
| 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 |
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. |
| 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. |
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 |