IO Registers

Overview

A9/A11	Category	Physical address start	Used by	Comments
A9	CONFIG Registers	0x10000000	Boot9, Process9
A9	IRQ Registers	0x10001000	Process9, 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	TwlProcess9
?		0x10100000
A11/A9	HASH Registers	0x10101000	Filesystem services
A11/A9	?	0x10102000
A11/A9	CSND Registers / DSP	0x10103000	TwlBg, Codec Services, CSND Services, DSP Services
A11/A9	?	0x10110000
A11/A9	?	0x10111000	TwlBg
A11/A9	DSP	0x10140000	Process9, Boot11, Kernel11, TwlBg, DSP Services, NWM Services, SPI Services
A11/A9	PDN Registers / CODEC Registers	0x10141000	Process9, Boot11, Kernel11, TwlBg, Codec Services, NWM Services, SPI Services
A11/A9	SPI Registers	0x10142000	TwlBg, SPI Services
A11/A9	SPI Registers	0x10143000	TwlBg	Only used under TWL_FIRM?
A11/A9	I2C Registers	0x10144000	Boot11, Kernel11, TwlBg, I2C Services
A11/A9	CODEC Registers	0x10145000	TwlBg, Codec Services
A11/A9	HID Registers	0x10146000	Boot11, Kernel11, TwlBg, HID Services	See PAD.
A11/A9	GPIO Registers	0x10147000	Boot11, TwlBg, GPIO Services
A11/A9	I2C Registers	0x10148000	TwlBg, I2C Services
A11/A9	?	0x10120000
A11/A9	?	0x10121000		Mirror of 0x10120000?
A11/A9	?	0x10122000	NWM Services
A11/A9	?	0x10123000	NWM Services
A11/A9	SPI Registers	0x10160000	TwlBg, SPI Services
A11/A9	I2C Registers	0x10161000	Boot11, TwlBg, I2C Services
A11/A9	MIC Registers	0x10162000	MIC Services
A11/A9	PXI Registers	0x10163000	Boot11, Kernel11, TwlBg, PXI Services
A11/A9	NTRCARD Registers	0x10164000	Process9
A11/A9	MP Registers	0x10165000	MP Services
A11/A9	MP Registers	0x10170000 / 0x10171000	MP Services	Mirrored?
A11/A9	?	0x10172000
A11/A9	?	0x10173000
A11/A9	MP Registers	0x10174000	MP Services
A11/A9	MP Registers	0x10176000 / 0x10177000		Mirrored. Same as 0x10170000.
A11/A9	MP Registers	0x10178000 - 0x10180000	MP Services	Mirror of 0x10170000-0x10178000.
A11	CDMA	0x10200000	Boot11, Kernel11	CoreLink™ DMA-330. Info
A11	?	0x10202000	TwlBg, Kernel11, GSP Services
A11	DSP	0x10203000
A11	GPU?	0x1020F000	TwlBg, GSP Services
A11	HASH Registers	0x10301000	Filesystem services
?	?	0x10322000	NWM Services
?	?	0x10323000	NWM Services
A11	LCD Registers	0x10400000	Boot11, 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.