Overview
| A9/A11 | Category | Physical address start | Used by | Comments |
|---|---|---|---|---|
| A9 | CONFIG Registers | 0x10000000 | Boot9 | |
| A9 | IRQ Registers | 0x10001000 | Kernel9 | |
| A9 | NDMA Registers | 0x10002000 | Process9 | |
| A9 | TIMER Registers | 0x10003000 | Process9 | |
| A9 | CTRCARD Registers | 0x10004000 / 0x10005000 | Process9 | |
| A9 | EMMC Registers | 0x10006000 / 0x10007000 | Boot9, Process9 | 0x10007000 is apparently not used on retail |
| A9 | PXI Registers | 0x10008000 | Boot9, Process9 | |
| A9 | AES Registers | 0x10009000 | Boot9, Process9 | |
| A9 | SHA Registers | 0x1000A000 | Process9 | |
| A9 | RSA Registers | 0x1000B000 | Boot9, Process9 | |
| A9 | XDMA Registers | 0x1000C000 | Kernel9 | CoreLink™ DMA-330. Info |
| A9 | SPICARD Registers | 0x1000D800 | Process9 | |
| ? | CONFIG Registers | 0x10010000 | Process9 | |
| ? | CONFIG Registers | 0x10011000 | Process9 | |
| ? | ? | 0x10012000 | ||
| ? | ? | 0x10018000 | TWL_FIRM | |
| ? | 0x10100000 | |||
| A11/A9 | HASH Registers | 0x10101000 | ||
| A11/A9 | ? | 0x10102000 | ||
| A11/A9 | CSND Registers / DSP | 0x10103000 | Codec Services, CSND Services, DSP Services | |
| ? | 0x10110000 | |||
| A11/A9 | ? | 0x10111000 | TwlBg | |
| A11/A9 | DSP | 0x10140000 | Process9, Kernel11, DSP Services | |
| A11/A9 | PDN Registers / CODEC Registers | 0x10141000 | Process9, Kernel11, Codec Services | |
| A11/A9 | SPI Registers | 0x10142000 | ||
| A11/A9 | SPI Registers | 0x10143000 | Only used under TWL_FIRM? | |
| A11/A9 | I2C Registers | 0x10144000 | Kernel11, I2C Services | |
| A11/A9 | CODEC Registers | 0x10145000 | Codec Services | |
| A11/A9 | HID Registers | 0x10146000 | Kernel11, HID Services | See PAD. |
| A11/A9 | GPIO Registers | 0x10147000 | GPIO Services | |
| A11/A9 | I2C Registers | 0x10148000 | I2C Services | |
| A11/A9 | SPI Registers | 0x10160000 | ||
| A11/A9 | I2C Registers | 0x10161000 | I2C Services | |
| A11/A9 | MIC Registers | 0x10162000 | MIC Services | |
| A11/A9 | PXI Registers | 0x10163000 | Boot11, Kernel11 | |
| A11/A9 | NTRCARD Registers | 0x10164000 | Process9 | |
| A11/A9 | MP Registers | 0x10165000 | ||
| A11/A9 | MP Registers | 0x10170000 / 0x10171000 | Mirrored? | |
| A11/A9 | ? | 0x10172000 | ||
| A11/A9 | ? | 0x10173000 | ||
| A11/A9 | MP Registers | 0x10174000 | ||
| A11/A9 | MP Registers | 0x10176000 / 0x10177000 | Mirrored. Same as 0x10170000. | |
| A11/A9 | MP Registers | 0x10178000 - 0x10180000 | Mirror of 0x10170000-0x10178000. | |
| A11 | CDMA | 0x10200000 | Kernel11 | CoreLink™ DMA-330. Info |
| A11 | ? | 0x10202000 | Kernel11, GSP Services | |
| A11 | DSP | 0x10203000 | ||
| A11 | GPU? | 0x1020F000 | GSP Services | |
| A11 | HASH Registers | 0x10301000 | ||
| A11 | LCD Registers | 0x10400000 | Kernel11, GSP Services | |
| A11 | LCD Registers | 0x10420000 | GSP Services |
IO registers starting at physical address 0x10200000 are not accessible from the ARM9(which includes all LCD/GPU registers).
ARM11 kernel virtual address mappings for these registers varies for different builds.