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Bits
Field
[7:4]
NUM_CODE1
[3:2]
-
[1]
KEY
[0]
ENABLE
ARM DDI 0337G
Unrestricted Access
Table 11-2 Flash Patch Control Register bit assignments (continued)
Function
Number of code slots field. This read only field contains either b0000 to indicate that there
are no code slots, b0010 to indicate that there are two code slots or b0110 to indicate that
there are six code slots.
Reserved.
Key field. To write to the Flash Patch Control Register, you must write a 1 to this write-only
bit.
Flash patch unit enable bit:
1 = flash patch unit enabled
0 = flash patch unit disabled.
Reset clears the ENABLE bit.
Flash Patch Remap Register
Use the Flash Patch Remap Register to provide the location in System space where a
matched address is remapped. The REMAP address is 8-word aligned, with one word
allocated to each of the eight FPB comparators.
A comparison match remaps to:
{3'b001, REMAP, COMP[2:0], HADDR[1:0]}
where:
•
3'b001 hardwires the remapped access to system space
•
REMAP is the 24-bit, 8-word aligned remap address
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System Debug
11-9
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