COBHAM GR740 User Manual

GR740-UM-DS, Nov 2017, Version 1.7 310 www.cobham.com/gaisler
GR740
21.3.8 Watchdog control register
Table 386.0x01C - WDOGCTRL - Watchdog control register
21.3.9 Asymmetric multiprocessing control register
Table 387.0x020 - ASMPCTRL - Asymmetric multiprocessing control register
21.3.10 Interrupt controller select register
Table 388.0x024 - ICSELR - Interrupt controller select register
31 27 26 20 19 16 15 4 3 0
NWDOG Reserved WDOGIRQ RESERVED WDOGMSK
40NR 0 0
rrrw r rw
31: 27 Number of watchdog inputs (NWDOG) - Number of watchdog inputs that the core supports.
26: 20 RESERVED
19: 16 Watchdog interrupt (WDOGIRQ) - Selects the bit in the pending register to set when any line watch-
dog line selected by the WDOGMSK field is asserted.
15: 4 RESERVED
3: 0 Watchdog Mask n (WDOGMSK[n]) - If WDOGMSK[n] = ‘1’ then the assertion of watchdog input
n will lead to the bit selected by the WDOGIRQ field being set in the controller’s Interrupt Pending
Register.
Bit n in the watchdog input is connected to GPTIMER (n+1)’s, timer 4 tick output.
31 28 27 210
NCTRL RESERVED ICF L
0x3 0 0 0
r r rw rw
31: 28 Number of internal controllers (NCTRL) - NCTRL + 1 is the number of internal interrupt controllers
available.
27: 2 RESERVED
1 Inter-controller Force (ICF) - If this bit is set to ‘1’ all Interrupt Force Registers can be set from any
internal controller. If this bit is ‘0’, a processor’s Interrupt Force Register can only be set from the
controller to which the processor is connected. Bits in an Interrupt Force Register can only be
cleared by the controller or by writing the Interrupt Force Clear field on the controller to which the
processor is connected.
0 Lock (L) - If this bit is written to ‘1’, the contents of the Interrupt Controller Select registers is fro-
zen..
31 28 27 24 23 20 19 16 15 0
ICSEL0 ICSEL1 ICSEL2 ICSEL3 RESERVED
0000 0
rw rw rw rw r
31: 16 Interrupt controller select for processor n (ICSEL[n]) - The nibble ICSEL[n] selects the (internal)
interrupt controller to connect to processor n.
15: 0 RESERVED

COBHAM GR740 Specifications

General

Brand	COBHAM
Model	GR740
Category	Computer Hardware
Language	English