cn8236 Mindspeed Technologies, cn8236 Datasheet - Page 368

• Manufacturer Part Number: cn8236
• Description: Atm Servicesar Plus With Xbr Traffic Management
• Manufacturer: Mindspeed Technologies

15.0 SAR Initialization—Example Tables
15.3 Reassembly Initialization
15.3.1 Reassembly Control Registers
15-8
Table 15-6. Table of Values for Reassembly Control Register Initialization (1 of 2)
RSM_CTRL0
(Reassembly Control
Register 0)
RSM_CTRL1
(Reassembly Control
Register 1)
RSM_FQBASE
(RSM Free Buffer
Queue Base Register)
Register
RSM_ENABLE
RSM_RESET
VPI_MASK
RSM_PHALT
FWALL_EN
RSM_FBQ_DIS
RSM_STAT_DIS
GTO_EN
MAX_LEN
GDPRI
Reserved
OAM_FF_DSC
OAM_EN
OAM_QU_EN
OAM_BFR_QU
OAM_STAT_QU
Reserved
FBQ1_BASE
FBQ0_BASE
15.3 Reassembly Initialization
Before reassembly is enabled, the host must allocate and initialize all of the
reassembly control registers.
field.
Field
Mindspeed Technologies
Initialized
Value
0 – 1
0xB0
0x10
0x30
0x0
0x4
0x0
0x4
0x4
0
1
0
1
0
0
1
1
1
1
Table 15-6
ATM ServiceSAR Plus with xBR Traffic Management
Must be set to a logic low until initialization of all
reassembly structures is complete. Set to a logic high
to commence reassembly process.
Use CONFIG0(GLOBAL_RESET) to initialize the SAR.
UNI VPI space selected.
RSM halt on receive parity error disabled.
Firewall function enabled.
Free buffer queue underflow protection enabled.
Status queue overflow protection enabled.
Enable internal time-out interrupt.
AAL5 max CPCS-PDU length = 16384 bytes.
Global Service Discard Priority = 4.
Must be initialized to 0.
OAM cells discarded when Incoming DMA FIFO buffer
almost full.
OAM detection enabled.
Global OAM FB and Stat queues enabled.
Global OAM free buffer queue = 4.
Global OAM status queue = 4.
Must be initialized to 0.
Free buffer queue bank 1 starts at 0x5800 in
SAR-shared memory.
Free buffer queue bank 0 starts at 0x1800 in
SAR-shared memory.
lists the initialization values for each
™
Notes
28236-DSH-001-B
CN8236