Table 405: Nvm Write1 Register (Offset 0X7028); Table 406: Nvm Arbitration Watchdog Timer Register (Offset 0X702C) - Broadcom BCM5722 Programmer's Manual

Programmer's Guide
10/15/07
NVM W 1 R
RITE EGISTER
Bit Field
31:24 Reserved
23:16 Status Register Data
15:8 Write Disable Command
7:0 Write Enable Command
NVM A
RBITRATION

Table 406: NVM Arbitration Watchdog Timer Register (Offset 0x702C)

Bit Field
31:28 TPM Arbitration Lock Timer
27:24 TPM Watchdog Timer Value
23:6 Reserved
5 TPM Arbitration Lock Timer
Enable
4 TPM Watchdog Timer Enable
3:0 Reserved
Document 5722-PG101-R
(O 0 7028)
FFSET X

Table 405: NVM Write1 Register (Offset 0x7028)

Description
–
Data written to the status register for the SST25VF512.
Flash command to be used when a flash device with a write
protect function is used. This command is issued by the flash
interface state machine through the SPI interface to write-protect
the flash.
Flash command to be used when a flash device with a write
protect function is used. This command is issued by the flash
interface state machine through the SPI interface to write-enable
the flash.
W T
ATCHDOG IMER
Description
This field holds a delay in milliseconds until the TPM will be
allowed to access the flash, even if the LAN has not yet set
REQ0,REQ1,REQ2,REQ3.
This field is the value of the TPM Watchdog Timer in
milliseconds.
–
Enable Arbitration Lock Timer to allow TPM access to flash
after timeout if LAN has not already requested flash access.
When set, enables a watchdog timer that releases the GNT4/
REQ4 bits and GNT5/REQ5 bits of the Software Arbitration
Register (see
watchdog timer.
–
Bro adco m Co rp or atio n
R (O
EGISTER FFSET
Table 403 on page 374) upon expiration of
Non-Volatile Memory Interface Registers
0 702C)
X
Init
0001b
0
0
1
0
0
BCM5722
Init Access
0 RO
0 R/W
0x4 R/W
0x6 R/W
Access
R/W
R/W
RO
R/W
R/W
RO
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