GR712RC-QSG
November 2018, Version 1.0
8 www.cobham.com/gaisler
• The GR712RC has a clock-gating unit which is able to disable/enable clocking and control reset signals.
Clocks must be enabled for all cores that LEON software or GRMON will be using. The grcg command is
described in [RD-4].
3.4. Connecting to the board
In the following example the FTDI debug-link is used to connect to the board. The auto-detected frequency,
memory parameters and stack pointer are verified by looking at the GRMON terminal output below.
daniel@daniel:~$ grmon -ftdi
GRMON2 LEON debug monitor v2.0.35 professional version
Copyright (C) 2012 Aeroflex Gaisler - All rights reserved.
For latest updates, go to http://www.gaisler.com/
Comments or bug-reports to support@gaisler.com
Parsing -ftdi
Commands missing help:
debug
datacache
JTAG chain (1): GR712RC
Detected system: GR712RC
Detected frequency: 80 MHz
Component Vendor
LEON3-FT SPARC V8 Processor Aeroflex Gaisler
LEON3-FT SPARC V8 Processor Aeroflex Gaisler
JTAG Debug Link Aeroflex Gaisler
GR Ethernet MAC Aeroflex Gaisler
SatCAN controller Aeroflex Gaisler
GRSPW2 SpaceWire Serial Link Aeroflex Gaisler
GRSPW2 SpaceWire Serial Link Aeroflex Gaisler
GRSPW2 SpaceWire Serial Link Aeroflex Gaisler
GRSPW2 SpaceWire Serial Link Aeroflex Gaisler
GRSPW2 SpaceWire Serial Link Aeroflex Gaisler
GRSPW2 SpaceWire Serial Link Aeroflex Gaisler
AMBA Wrapper for Core1553BRM Aeroflex Gaisler
CCSDS Telecommand Decoder Aeroflex Gaisler
CCSDS Telemetry Encoder Aeroflex Gaisler
SLINK Master Aeroflex Gaisler
Memory controller with EDAC Aeroflex Gaisler
AHB/APB Bridge Aeroflex Gaisler
LEON3 Debug Support Unit Aeroflex Gaisler
AHB/APB Bridge Aeroflex Gaisler
OC CAN AHB interface Aeroflex Gaisler
Generic FT AHB SRAM module Aeroflex Gaisler
Generic UART Aeroflex Gaisler
Multi-processor Interrupt Ctrl. Aeroflex Gaisler
Modular Timer Unit Aeroflex Gaisler
SPI Controller Aeroflex Gaisler
CAN Bus multiplexer Aeroflex Gaisler
General Purpose Register Aeroflex Gaisler
ASCS Master Aeroflex Gaisler
General Purpose I/O port Aeroflex Gaisler
General Purpose I/O port Aeroflex Gaisler
AMBA Wrapper for OC I2C-master Aeroflex Gaisler
Clock gating unit Aeroflex Gaisler
AHB Status Register Aeroflex Gaisler
Generic UART Aeroflex Gaisler
Generic UART Aeroflex Gaisler
Generic UART Aeroflex Gaisler
Generic UART Aeroflex Gaisler
Generic UART Aeroflex Gaisler
Timer Unit with Latches Aeroflex Gaisler
Use command 'info sys' to print a detailed report of attached cores
grmon2> info sys
cpu0 Aeroflex Gaisler LEON3-FT SPARC V8 Processor
AHB Master 0
cpu1 Aeroflex Gaisler LEON3-FT SPARC V8 Processor
AHB Master 1
ahbjtag0 Aeroflex Gaisler JTAG Debug Link
AHB Master 2
greth0 Aeroflex Gaisler GR Ethernet MAC
AHB Master 3
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