URL
https://opencores.org/ocsvn/mips_enhanced/mips_enhanced/trunk
Subversion Repositories mips_enhanced
[/] [mips_enhanced/] [trunk/] [grlib-gpl-1.0.19-b3188/] [designs/] [leon3-xilinx-ml501/] [README.txt] - Rev 2
Compare with Previous | Blame | View Log
This leon3 design is tailored to the Xilinx Virtex5 ML501 board
---------------------------------------------------------------------
Design specifics:
* System reset is mapped to the CPU RESET button. When programming
the FPGA only, the CPU RESET button must be pressed once before
connecting grmon to reset the DCM clock generators.
* The serial port is connected to the console UART (UART 1) when
dip switch 1 on the GPIO DIP switch is off. Otherwise it is
connected to the DSU UART. The DSU BREAK input is mapped
on the 'south' push-button.
* The JTAG DSU interface is enabled and works well with
GRMON and Xilinx parallel cabel III or IV .
* The GRETH core is enabled and runs without problems at 100 Mbit.
Using 1 Gbit is also possible with the commercial grlib version.
Ethernet debug link is enabled, default IP is 192.168.0.53.
* DDR2 is supported. The default frequency is 140 MHz but it's
possible to go higher. When changing frequency the delay on the
data signals might need to be changed too. How to do this is
described in the DDR2SPA section of grip.pdf (see description of
SDCFG3 register).
* The SSRAM can be interfaced with the LEON2 Memory controller.
Start GRMON with -ramrws 1 when the LEON2 controller is used.
* The FLASH memory can be accessed and programmed through grmon
* The LEON3 processor can run up to 80 - 90 MHz on the board
in the typical configuartion.
* The I2C master is connected to the 'Main' I2C bus. An EEPROM (M24C08)
can be accessed at I2C address 0x50.
* TODO: DVI VGA support
* Sample output from GRMON is:
GRMON LEON debug monitor v1.1.23b
Copyright (C) 2004,2005 Gaisler Research - all rights reserved.
For latest updates, go to http://www.gaisler.com/
Comments or bug-reports to support@gaisler.com
using JTAG cable on parallel port
JTAG chain: xc5vlx50 xccace xc95144xl xcf32p
Device ID: : 0x501
GRLIB build version: 2564
initialising ................
detected frequency: 80 MHz
Component Vendor
LEON3 SPARC V8 Processor Gaisler Research
AHB Debug UART Gaisler Research
AHB Debug JTAG TAP Gaisler Research
GR Ethernet MAC Gaisler Research
DDR2 Controller Gaisler Research
AHB/APB Bridge Gaisler Research
LEON3 Debug Support Unit Gaisler Research
LEON2 Memory Controller European Space Agency
Generic APB UART Gaisler Research
Multi-processor Interrupt Ctrl Gaisler Research
Modular Timer Unit Gaisler Research
Keyboard PS/2 interface Gaisler Research
Keyboard PS/2 interface Gaisler Research
General purpose I/O port Gaisler Research
AMBA Wrapper for OC I2C-master Gaisler Research
AHB status register Gaisler Research
Use command 'info sys' to print a detailed report of attached cores
grlib> info sys
00.01:003 Gaisler Research LEON3 SPARC V8 Processor (ver 0x0)
ahb master 0
01.01:007 Gaisler Research AHB Debug UART (ver 0x0)
ahb master 1
apb: 80000700 - 80000800
baud rate 115200, ahb frequency 80.00
02.01:01c Gaisler Research AHB Debug JTAG TAP (ver 0x0)
ahb master 2
03.01:01d Gaisler Research GR Ethernet MAC (ver 0x0)
ahb master 3, irq 12
apb: 80000b00 - 80000c00
edcl ip 192.168.0.53, buffer 2 kbyte
00.01:02e Gaisler Research DDR2 Controller (ver 0x0)
ahb: 40000000 - 60000000
ahb: fff00100 - fff00200
64-bit DDR2 : 1 * 256 Mbyte @ 0x40000000
140 MHz, col 11, ref 7.8 us
01.01:006 Gaisler Research AHB/APB Bridge (ver 0x0)
ahb: 80000000 - 80100000
02.01:004 Gaisler Research LEON3 Debug Support Unit (ver 0x1)
ahb: 90000000 - a0000000
AHB trace 128 lines, stack pointer 0x00000000
CPU#0 win 8, hwbp 2, itrace 128, V8 mul/div, srmmu, lddel 1
icache 2 * 8 kbyte, 32 byte/line lru
dcache 1 * 8 kbyte, 16 byte/line lru
03.04:00f European Space Agency LEON2 Memory Controller (ver 0x1)
ahb: 00000000 - 20000000
ahb: 20000000 - 40000000
ahb: c0000000 - c2000000
apb: 80000000 - 80000100
16-bit prom @ 0x00000000
01.01:00c Gaisler Research Generic APB UART (ver 0x1)
irq 2
apb: 80000100 - 80000200
baud rate 38400
02.01:00d Gaisler Research Multi-processor Interrupt Ctrl (ver 0x3)
apb: 80000200 - 80000300
03.01:011 Gaisler Research Modular Timer Unit (ver 0x0)
irq 8
apb: 80000300 - 80000400
8-bit scaler, 2 * 32-bit timers, divisor 80
04.01:060 Gaisler Research Keyboard PS/2 interface (ver 0x1)
irq 4
apb: 80000400 - 80000500
05.01:060 Gaisler Research Keyboard PS/2 interface (ver 0x1)
irq 5
apb: 80000500 - 80000600
08.01:01a Gaisler Research General purpose I/O port (ver 0x0)
apb: 80000800 - 80000900
0c.01:028 Gaisler Research AMBA Wrapper for OC I2C-master (ver 0x0)
irq 11
apb: 80000c00 - 80000d00
0f.01:052 Gaisler Research AHB status register (ver 0x0)
irq 7
apb: 80000f00 - 80001000
grlib>