Public Version
General-Purpose Memory Controller
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Bits
Field Name
Description
Type
Reset
31:12
RESERVED
Write 0s for future compatibility. Read returns 0s.
RW
0x00000
11:8
MASKADDRESS
CS mask address.
RW
0xF
0x0000: Chip-select size of 256 Mbytes
0x1000: Chip-select size of 128 Mbytes
0x1100: Chip-select size of 64 Mbytes
0x1110: Chip-select size of 32 Mbytes
0x1111: Chip-select size of 16 Mbytes
Other values must be avoided as they create holes in the
chip-select address space.
7
RESERVED
Write 0s for future compatibility. Read returns 0.
RW
0x0
6
CSVALID
CS enable
RW
See
(1)
0x0: CS disabled
0x1: CS enabled
5:0
BASEADDRESS
CSi base address (16M bytes minimum granularity) bits [5:0]
RW
0x00
corresponds to A29, A28, A27, A26, A25, and A24. See
(1)
Reset value is 0x1 for CS0 and 0x0 for CS1 to CS7
Table 10-62. Register Call Summary for Register GPMC_CONFIG7_i
General-Purpose Memory Controller
•
Chip-Select Base Address and Region Size Configuration
:
•
NAND Device Basic Programming Model
•
Table 10-63. GPMC_NAND_COMMAND_i
Address Offset
0x0000 007C + (0x0000 0030 * i) Index
i = 0 to 7
Physical Address
0x6E00 007C + (0x0000 0030 * i) Instance
GPMC
Description
This register is not a true register, just an address location.
Type
W
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
GPMC_NAND_COMMAND
Bits
Field Name
Description
Type
Reset
31:0
GPMC_NAND_COMMAND
This register is not a true register, just an address
W
n/a
location.
Table 10-64. Register Call Summary for Register GPMC_NAND_COMMAND_i
General-Purpose Memory Controller
•
NAND Device Basic Programming Model
•
Table 10-65. GPMC_NAND_ADDRESS_i
Address Offset
0x0000 0080 + (0x0000 0030 * i)
Index
i = 0 to 7
Physical Address
0x6E00 0080 + (0x0000 0030 * i)
Instance
GPMC
Description
This register is not a true register, just an address location.
Type
W
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
GPMC_NAND_ADDRESS
2212
Memory Subsystem
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated