IO Registers

Overview

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