13.8.7 Cache Maintenance 1

Table 13-9. Register Bit Attribute Legend
Symbol Description Symbol Description Symbol Description
R Readable bit HC Cleared by Hardware (Grey cell) Unimplemented
W Writable bit HS Set by Hardware X Bit is unknown at Reset
K Write to clear S Software settable bit
Name: MAINT1
Offset: 0x24
Reset: 0x00000000
Property: Write-only

Bit 3130292827262524 
 WAY[3:0]     
Access WWWW 
Reset 0000 
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
     INDEX[7:4] 
Access WWWW 
Reset 0000 
Bit 76543210 
 INDEX[3:0]     
Access WWWW 
Reset 0000 

Bits 31:28 – WAY[3:0] Invalidate Way

ValueNameDescription
0x0 Reserved
0x1 WAY0 Way 0 is selection for index invalidation
0x2 WAY1 Way 1 is selection for index invalidation
0x3 Reserved
0x4 WAY2 Way 2 is selection for index invalidation
0x5-0x7 Reserved
0x8 WAY3 Way 3 is selection for index invalidation
0x9-0xF Reserved

Bits 11:4 – INDEX[7:0] Invalidate Index

This field selects the index value for invalidation