3 sdram chip select configuration registers – Freescale Semiconductor MPC5200B User Manual
Page 125
MPC5200B Users Guide, Rev. 1
3-6
Freescale Semiconductor
MPC5200B Memory Map
All of these Base Address Registers work the same
3.3.3.3
SDRAM Chip Select Configuration Registers
0x002C
CS5 Start
Address
Chip Select 5 through the LocalPlus Bus. Any access on an address between the Start
and Stop Addresses enables this chip select.
0x0030
CS5 Stop
Address
0x004C
Boot Start
Address
Boot Addressing through the LocalPlus Bus. Any access on an address between the
Start and Stop Addresses accesses the boot space. By default, the address space
accessed starts at 0x0000 0000 or 0xFFF0 0000 depends on the reset configuration.
The size of the boot address space after reset is 512Kbytes.
0x0050
Boot Stop
Address
0x0058
CS6 Start
Address
Chip Select 6 through the LocalPlus Bus. Any access on an address between the Start
and Stop Addresses enables this chip select.
0x005C
CS6 Stop
Address
0x0060
CS7 Start
Address
Chip Select 7 through the LocalPlus Bus. Any access on an address between the Start
and Stop Addresses enables this chip select.
0x0064
CS7 Stop
Address
msb 0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R
Reserved
W
RESET
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31 lsb
R
Base Address
W
RESET
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Bits
Name
Description
0:15
Reserved
These bits are reserved.
16:31
Base Address
The 16 most significant bits of the Base Address. A value of 0x4000 would translate into a
base address of 0x4000 0000.
MBAR
offset
Name
Description
0x0034
SDRAM Chip
Select 0
Contains the Base Addresses and configurations for SDRAM’s connected to the
SDRAM controller.
0x0038
SDRAM Chip
Select 1
MBAR
offset
Name
Description