Read Channel Axi Id To Ocp Tag Mappings; Write Channel Axi Id To Ocp Tag Mappings - Texas Instruments TMS320C6A816 Series Technical Reference Manual

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1.2.6.3 AXI to OCP Tag Mapping
Table 1-5 and Table 1-6
AXI ID
4'b0000 NC/SO[1] data load
4'b0001 Device data load
4'b0011 peripheral
4'b1110 Cacheable linefill into L1D
4'b0100 NC/SO[1] instruction fetch
4'b0101 Device instruction fetch
4'b1111 Linefills into L1I$ (line is L2
non-cacheable)
4'b0110 NC/SO[1] Table-walk requests
(instruction, data or PLE)
4'b1000 Cacheable linefills (I, D, TLB, PLE) #1,
except linefill into L1D
4'b1001 Cacheable linefills (I, D, TLB, PLE) #2,
except linefill into L1D
4'b1010 Cacheable linefills (I, D, TLB, PLE) #3,
except linefill into L1D
4'b1011 Cacheable linefills (I, D, TLB, PLE) #4,
except linefill into L1D
4'b0010 Reserved
4'b0111
4'b1100
4'b1101
AXI ID Request type
4'b0000 NC/SO[1], or WT stores
4'b0001 Device writes
4'b0011 Peripheral write
4'b1000 Eviction #1 (including PLE)
4'b1001 Eviction #2 (including PLE)
4'b1010 Eviction #3 (including PLE)
4'b1011 Eviction #4 (including PLE)
4'b0010 Reserved
4'b0100
4'b0101
4'b0110
4'b0111
4'b1100
4'b1101
4'b1110
4'b1111
SPRUGX9 – 15 April 2011
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Preliminary
gives the Read and Write Channel AXI ID to OCP Tag Mappings
Table 1-5. Read Channel AXI ID to OCP Tag Mappings
Request type
Table 1-6. Write Channel AXI ID to OCP Tag Mappings
© 2011, Texas Instruments Incorporated
OCP Thread[2] OCP Tag
Thread_Mx 5'b00000
Thread_Mx 5'b00001
n/a n/a
Thread_Mx 5'b01110
Thread_Mx 5'b00100
Thread_Mx 5'b00101
Thread_Mx 5'b01111
Thread_Mx 5'b00110
Thread_Mx 5'b01000
Thread_Mx 5'b01001
Thread_Mx 5'b01010
Thread_Mx 5'b01011
n/a n/a
OCP Thread[2] OCP Tag
Thread_Mx 5'b10000
Thread_Mx 5'b10001
n/a n/a
Thread_Mx 5'b11000
Thread_Mx 5'b11001
Thread_Mx 5'b11010
Thread_Mx 5'b11011
n/a n/a
MPU Subsystem
Outstanding
Requests
9 (one integer and
up to 8 Neon)
1
1
1
1
1
1
n/a
Outstanding
Requests
Up to 8
1
1
1
1
n/a
103
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