Chapter 2
SPRUH73H – October 2011 – Revised April 2013
Memory Map
This sections describes the memory map for the device.
2.1
ARM Cortex-A8 Memory Map
Table 2-1. L3 Memory Map
Block Name
Start_address (hex)
End_address (hex)
Size
Description
GPMC
0x0000_0000
(1)
0x1FFF_FFFF
512MB
8-/16-bit External Memory
(External Memory)
(Ex/R/W)
(2)
Reserved
0x2000_0000
0x3FFF_FFFF
512MB
Reserved
Boot ROM
0x4000_0000
0x4001_FFFF
128KB
0x4002_0000
0x4002_BFFF
48KB
32-bit Ex/R
(2)
– Public
Reserved
0x4002_C000
0x400F_FFFF
848KB
Reserved
Reserved
0x4010_0000
0x401F_FFFF
1MB
Reserved
Reserved
0x4020_0000
0x402E_FFFF
960KB
Reserved
Reserved
0x402F_0000
0x402F_03FF
64KB
Reserved
SRAM internal
0x402F_0400
0x402F_FFFF
32-bit Ex/R/W
(2)
L3 OCMC0
0x4030_0000
0x4030_FFFF
64KB
32-bit Ex/R/W
(2)
OCMC SRAM
Reserved
0x4031_0000
0x403F_FFFF
960KB
Reserved
Reserved
0x4040_0000
0x4041_FFFF
128KB
Reserved
Reserved
0x4042_0000
0x404F_FFFF
896KB
Reserved
Reserved
0x4050_0000
0x405F_FFFF
1MB
Reserved
Reserved
0x4060_0000
0x407F_FFFF
2MB
Reserved
Reserved
0x4080_0000
0x4083_FFFF
256KB
Reserved
Reserved
0x4084_0000
0x40DF_FFFF
5888KB
Reserved
Reserved
0x40E0_0000
0x40E0_7FFF
32KB
Reserved
Reserved
0x40E0_8000
0x40EF_FFFF
992KB
Reserved
Reserved
0x40F0_0000
0x40F0_7FFF
32KB
Reserved
Reserved
0x40F0_8000
0x40FF_FFFF
992KB
Reserved
Reserved
0x4100_0000
0x41FF_FFFF
16MB
Reserved
Reserved
0x4200_0000
0x43FF_FFFF
32MB
Reserved
L3F CFG Regs
0x4400_0000
0x443F_FFFF
4MB
L3Fast configuration registers
Reserved
0x4440_0000
0x447F_FFFF
4MB
Reserved
L3S CFG Regs
0x4480_0000
0x44BF_FFFF
4MB
L3Slow configuration registers
0x44C0_0000
0x44FF_FFFF
4MB
L4_WKUP
Reserved
0x4500_0000
0x45FF_FFFF
16MB
Reserved
0x4600_0000
0x463F_FFFF
4MB
McASP0 Data Registers
0x4640_0000
0x467F_FFFF
4MB
McASP1 Data Registers
Reserved
0x4680_0000
0x46FF_FFFF
8MB
Reserved
Reserved
0x4700_0000
0x473F_FFFF
4MB
Reserved
(1)
The first 1MB of address space 0x0-0xFFFFF is inaccessible externally.
(2)
Ex/R/W – Execute/Read/Write.
155
SPRUH73H – October 2011 – Revised April 2013
Memory Map
Copyright © 2011–2013, Texas Instruments Incorporated