cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 313
cs5535
Manufacturer Part Number
cs5535
Description
Geode Cs5535 Companion Multi-function South Bridge
Manufacturer
National Semiconductor Corporation
Datasheet
1.CS5535.pdf
(555 pages)
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Revision 0.8
DIVIL Register Descriptions
5.6.2.9
See Section 4.6.1 "LBARs and Comparators" on page 97
for operational details.
The NAND Flash control registers take 16 bytes of I/O
space. NOR Flash maps into some multiple of 4k bytes.
There are two forms of this LBAR depending on the space,
memory or I/O, Flash Device 0 is mapped into. Space is
determined by bit 34 of the LBAR.
Local BAR - Flash Chip Select 0 (DIVIL_LBAR_FLSH0)
MSR Address
Type
Reset Value
Uses FLASH_CS0# and FLASH_CE0#.
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
47:44
43:33
31:17
15:7
Bit
6:0
32
16
Local BAR - Flash Chip Select (DIVIL_LBAR_FLSH[x])
Name
IO_MASK
RSVD
LBAR_EN
RSVD
RSVD
BASE_ADDR
RSVD
51400010h
R/W
00000000_00000000h
RSVD
RSVD
BASE_ADDR
MEM_MASK
DIVIL_LBAR_PMS Bit Descriptions (Continued)
Description
I/O Address Mask Value. See discussion in Section 4.6.1 "LBARs and Comparators"
on page 97
Reserved. Reads return 0; writes have no effect.
LBAR Enable.
0: Disable LBAR.
1: Enable LBAR.
Reserved. Reads return 0; writes have no effect.
Reserved. Always write 0.
Base Address in I/O Space. See discussion in Section 4.6.1 "LBARs and Compara-
tors" on page 97
Reserved. Reads return 0; writes have no effect.
DIVIL_LBAR_FLSH[x] Register Map
(Continued)
313
Local BAR - Flash Chip Select 1 (DIVIL_LBAR_FLSH1)
MSR Address
Type
Reset Value
Uses FLASH_CS1# and FLASH_CE1#.
Local BAR - Flash Chip Select 2 (DIVIL_LBAR_FLSH2)
MSR Address
Type
Reset Value
Uses FLASH_CS2# and FLASH_CE2#.
Local BAR - Flash Chip Select 3 (DIVIL_LBAR_FLSH3)
MSR Address
Type
Reset Value
Uses FLASH_CS3# and FLASH_CE3#.
BASE_ADDR
IO_MASK
51400011h
R/W
00000000_00000000h
51400012h
R/W
00000000_00000000h
51400013h
R/W
00000000_00000000h
9
8
RSVD
7
RSVD
6
5
4
3
www.national.com
RSVD
2
1
0
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