Programmer’s Guide BCM5722
10/15/07
Broadcom Corporation
Document 5722-PG101-R ASF Support Registers Page 366
AUXILIARY SMBUS SLAVE DATA REGISTER (OFFSET 0X6C58)
SMBUS ADDRESS RESOLUTION PROTOCOL REGISTERS (OFFSET 0X6C60)
Table 387: Auxiliary SMBus Slave Data Register (Offset 0x6C58)
Bit Field Description Init Access
31:22 Reserved – 0 R/W
21:16 Read Byte Count Indicates the number of bytes read from the FIFO by the
Host.
0R/W
15:14 Reserved – 0 R/W
13:8 Write Byte Count Indicates the number of bytes written into the FIFO by the
SMBus master.
0R/W
7:0 Slave Data – 0 RO
Table 388: SMBus ARP Command Register (Offset 0x6C60)
Bit Field Description Init Access
31:17 Reserved – 0x0 R/W
16 ARP attention enable
• 0 = No attention is asserted to the internal CPU after the
ARP command is completed.
• 1 = Attention is asserted to the internal CPU after the ARP
command is completed. Attention stays until the CPU clears
the attention source by clearing command completed bit.
0R/W
15:14 Reserved – 00 R/W
13 Directed Reset enable
• 0 = Disable Directed Reset command capability.
• 1 = Enable Directed Reset command capability.
0R/W
12 Directed Get UDID enable
• 0 = Disable Directed Get UDID command capability.
• 1 = Enable Directed Get UDID command capability.
0R/W
11 Assign Address enable
• 0 = Disable Assign Address command capability.
• 1 = Enable Assign Address command capability.
0R/W
10 General Get UDID enable
• 0 = Disable General Get UDID command capability.
• 1 = Enable General Get UDID command capability.
0R/W
9 General Reset Device enable
• 0 = Disable General Reset Device command capability.
• 1 = Enable General Reset Device command capability.
0R/W
8 Prepare to ARP enable
• 0 = Disable Prepare to ARP command capability.
• 1 = Enable Prepare to ARP command capability.
0R/W
7:3 Reserved – 00000 R/W
2 ARP software reset
• 0 = Normal operation.
• 1 = Reset ARP state machine.
0R/W
1 PSA enable
• 0 = Not Persistent Slave Address enabled.
• 1 = Persistent Slave Address enabled.
0R/W
0 ARP enable
• 0 = Disable ARP HW offload.
• 1 = Enable ARP HW offload.
Note: SMBus Slave interface has to be enabled in addition to
this bit for ARP to process.
0R/W