Memory Map

Address Range	Description
0x00000000 - 0x002000000	SDRAM (32 MiB)
0xE0000000 - 0xE000000FF	Devices
0xF0000000 - 0xF00000FFF	ROM (4 KiB)

BASE_IO: 0xE0000000

Device	Address
CLOCK	BASE_IO + 0
LED	BASE_IO + 4
UART	BASE_IO + 8
SD_CARD	BASE_IO + 16
PS2_KEYBOARD	BASE_IO + 24
GRAPHITE	BASE_IO + 32
CONFIG (1)	BASE_IO + 36
CONFIG (2)	BASE_IO + 40
CONFIG (3)	BASE_IO + 44
PS2_MOUSE	BASE_IO + 48
CONFIG (4)	BASE_IO + 56
USB	BASE_IO + 64