Boot_def bitmap -73, Table 6-37 – Intel PXA255 User Manual
Page 255
Intel® PXA255 Processor Developer’s Manual
6-73
Memory Controller
Table 6-37. BOOT_DEF Bitmap
0x4800_0044
BOOT_DEF
Memory Controller
Bit
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
reserved
PK
G
_
TY
PE
B
OOT
_
S
E
L
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
*
*
*
*
Bits
Name
Description
31:4
—
reserved
3
PKG_TYPE
PROCESSOR TYPE (read only):
0 – Reserved
1 – PXA255 processor
2:0
BOOT_SEL
BOOT SELECT (read only):
Contains the three inputs pins BOOT_SEL[2:0] for the processor. See
See
for valid boot configurations. See
for descriptions of Boot
Time Configurations.
Table 6-38. Valid Boot Configurations Based on Processor Type
Processor Type
Boot_Sel Signals
Valid Booting Configurations
(PXA255 processor)
000
001
100
101
110
111