Artesyn ATCA-7470 Installation and Use (October 2014) - Manual (Page 175)

Maps and Registers
ATCA-7470 Installation and Use (6806800P15K) 175
6.4.13 Flash Status and Protection Registers
The flash status register indicates the actual status of the mechanical switches SW1.1 (Signal
BOOT_DEF_WP_), SW1.2 (Signal BOOT_REC_WP_), SW1.3 (Signal BOOT_TSOP), SW3.1
(Signal BOOT_SEL_EN_), and SW3.2 (Signal BOOT_DEFAULT) and the status of IPMC signal
BOOT_SELECT.
Table 6-39 Flash Status Register
Address Offset: 0x040
Bit Description Default Access
0 Default Boot SPI Flash Write protection Status. See
Table "Default Boot SPI Flash Write Enable" on page
176
, how to disable write protection.
0: Default Boot SPI Flash is unprotected
1: Default Boot SPI Flash is protected
Ext. BOOT_DEF_WP_
1
0: SW1.1 OFF
1: SW1.1 ON
LPC: r
1 Recovery Boot SPI Flash Write protection Status.
See
Table "Recovery Boot SPI Flash Write Enable" on
page 176 , how to disable write protection
0: Recovery Boot SPI Flash is unprotected
1: Recovery Boot SPI Flash is protected
Ext. BOOT_REC_WP_ 2
0: SW1.2 OFF
1: SW1.2 ON
LPC: r
3:2 Reserved 0 LPC: 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 LPC: 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 LPC: 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 LPC: r
7 IPMC signal BOOT_SELECT. Boot Flash Select.
0: Selects Default Boot SPI Flash
1: Selects Recovery Boot SPI Flash Ext. LPC: r