Kontron AM4120 IPMI Firmware Instrukcja Użytkownika Pobierz pdf (Strona 21)

AM4120 IPMI Firmware Functional Description

ID 1045-9586, Rev. 1.0 Page 15

3.2 Set Control State (Firmware Hub, Boot Order)

Table 6: Set Control State

COMMAND LUN NetFn CMD

Set Control State (Firmware Hub, Boot Order) 00h OEM = 3Eh 20h

REQUEST DATA

Byte Data Field

1 Control ID:

00h = Firmware Hub (SPI Flash) Selection

9Dh = Boot Order Configuration

2 Control State for SPI Flash selection:

(These settings are stored in EEPROM and applied (to logic) each time the IPMI controller

detects power-on)

00h = Standard SPI boot flash is selected (default)

01h = Recovery SPI boot flash is selected

Please note that this selection may be forcibly overridden either by DIP-Switch (SW3 switch 2,

refer to the AM4120 User Guide, Table 4-2) or during a bootloader firmware update process.

In case of a failed boot process from the standard SPI NOR flash, the IPMI controller will

select the recovery SPI NOR flash and boot the board again. In case of a boot failure from the

recovery SPI NOR flash, the board locks up. Refer to chapter 8. U-Boot Failover Control.

Control State for Boot Order Configuration:

(These settings are stored in EEPROM and applied (to logic) each time the IPMI controller

detects power-on)

00h = No override, boot as usual (for all other values, refer to the U-Boot User Guide)

RESPONSE DATA

Byte Data Field

1 Completion Code

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 39 40

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