IO Map

New ARM7 IO registers

NAME	ADDRESS	WIDTH	DESCRIPTION
REG_IE	0x04000210	4	Interrupt Enable Register (with new interrupt sources)
REG_IF	0x04000214	4	Interrupt Flags Register (with new interrupt sources)
REG_IE2	0x04000218	4	New Interrupt Enable Register (with more new interrupt sources)
REG_IF2	0x0400021C	4	New Interrupt Flags Register (with more new interrupt sources)
SCFG_?	0x04004000	1	Unknown, used by BIOS
SCFG_?	0x04004001	1	Unknown, used by BIOS
MBK_?	0x04004060	1	Unknown, used by BIOS
MBK_?	0x04004061	1	Unknown, used by BIOS
MBK_?	0x04004062	1	Unknown, used by BIOS
REG_NDMA_MASTER_CNT	0x04004100	4	New DMA Control
NDMA channels registers	0x04004104	0x70	New DMA Channels 0..3
REG_AESCNT	0x04004400	4	Encryption/Decryption Hardware...
REG_AESBLKCNT	0x04004404	4
REG_AESWRFIFO	0x04004408	4
REG_AESRDFIFO	0x0400440C	4
REG_AESCTR	0x04004420	16
REG_AESMAC	0x04004430	16
REG_AESKEY0	0x04004440	48
REG_AESKEY1	0x04004470	48
REG_AESKEY2	0x040044A0	48
REG_AESKEY3	0x040044D0	48
REG_I2CDATA	0x04004500	1	I2C Bus Data
REG_I2CCNT	0x04004501	1	I2C Bus Control
REG_SNDEXCNT	0x04004700	2	New Sound Control

New ARM9 IO registers

NAME	ADDRESS	WIDTH	DESCRIPTION
REG_IE	0x04000210	4	Interrupt Enable Register (with new interrupt sources)
REG_IF	0x04000214	4	Interrupt Flags Register (with new interrupt sources)
SCFG_A9ROM	0x04004000	2	ROM Status (R)
SCFG_CLK	0x04004004	2	New Block Clock Control (R/W)
SCFG_RST	0x04004006	2	New Block Reset (R/W)
SCFG_EXT	0x04004008	4	Extended Features (R/W)
SCFG_MC	0x04004010	2	Memory Card Interface Status?
MBKx	0x04004040	0x24	New Shared WRAM Control (New WRAM mappable to ARM7/ARM9/DSP)
REG_NDMA_MASTER_CNT	0x04004100	4	New DMA Control
NDMA channels registers	0x04004104	0x70	New DMA Channels 0..3
REG_CAMRST	0x04004200	2	Camera Reset
REG_CAMCNT	0x04004202	2	Camera Control
REG_CAMDATA	0x04004204	4	Camera Data
REG_CAM_?	0x04004210	4	Camera ?
REG_CAM_?	0x04004214	4	Camera ?
DSP_xxx	0x04004300	0x3X	XpertTeak DSP coprocessor (CEVA Inc.)