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Maps and Registers
ATCA-7490 Installation and Use (6806800U11F)
169
The register also provides information about the actual Boot Flash selection (status bit
CURRENT_BOOT_SELECT) and the IPMC selected Boot Flash (status bit
TARGET_BOOT_SELECT).
The IPMC Target Boot Flash selection will become active with next platform reset. When the
bits, TARGET_BOOT_SELECT and CURRENT_BOOT_SELECT are different, an alternate BIOS
needs to be selected. In this case the platform reset will be transformed by the FPGA logic to
payload power cycle including the ME. This is done to guarantee no SPI access to boot flash
when switching the other device.
Table 5-82 Flash Status Register
Address Offset: 0x40
Bit
Description
Default
Access
0
CURRENT_BOOT_SELECT: Current Boot Flash
selection.
Is valid until next platform reset.
0
r
3:1
Reserved
0
r
4
TSOP or PLCC Boot select. Signal BOOT_TSOP.
0: TSOP selected
1: PLCC selected
Ext.
0: SW1.3 OFF
1: SW1.3 ON
r
5
Manual Boot Flash select enable. Signal
BOOT_SEL_EN_.
0: Signal BOOT_SELECT selects active boot flash.
1: Switch SW3.2 selects the active Boot Flash.
Ext.
0: SW3.1 OFF
1: SW3.1 ON
r
6
Manual Boot Flash select. Signal BOOT_DEFAULT. Used
when SW3.1 is ON:
0: Selects Default Boot SPI Flash.
1: Selects Recover Boot SPI Flash.
Ext.
0: SW3.2 OFF
1: SW3.2 ON
r
7
TARGET_BOOT_SELECT. Target Boot Flash Selection.
0: Selects Default Boot SPI Flash
1: Selects Recovery Boot SPI Flash
Note
: New flash selection valid with next platform
reset.
PWR_GOOD:
0
LPC: r
IPMC: r/w
Содержание ATCA-7490
Страница 1: ...ATCA 7490 Installation and Use P N 6806800U11F December 2018 ...
Страница 12: ...ATCA 7490 Installation and Use 6806800U11F Contents 12 Contents Contents ...
Страница 20: ...ATCA 7490 Installation and Use 6806800U11F 20 List of Tables ...
Страница 38: ...ATCA 7490 Installation and Use 6806800U11F Sicherheitshinweise 38 ...
Страница 44: ...Introduction ATCA 7490 Installation and Use 6806800U11F 44 ...
Страница 66: ...Hardware Preparation and Installation ATCA 7490 Installation and Use 6806800U11F 66 ...
Страница 88: ...Controls Indicators and Connectors ATCA 7490 Installation and Use 6806800U11F 88 ...
Страница 106: ...Functional Description ATCA 7490 Installation and Use 6806800U11F 106 ...
Страница 199: ...BIOS ATCA 7490 Installation and Use 6806800U11F 199 Add an ISCSI Attempt ...
Страница 226: ...BIOS ATCA 7490 Installation and Use 6806800U11F 226 Figure 6 25 Event Log Viewer ...
Страница 356: ...IPMI Feature Set ATCA 7490 Installation and Use 6806800U11F 356 ...
Страница 360: ...Replacing the Battery ATCA 7490 Installation and Use 6806800U11F 360 ...
Страница 371: ......