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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<meta http-equiv="CONTENT-TYPE" content="text/html; charset=iso-8859-1"><title>LEON3MP Reference Design for GR-CPCI-XC2V6000</title>
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<body dir="ltr" lang="en-US">
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<h3><span style="font-family: helvetica,arial,sans-serif;">LEON3AX - a
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reference LEON3 design for the GR-CPCI-AX board<br>
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</span></h3>
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<h4 style="font-family: helvetica,arial,sans-serif;">Introduction</h4>
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<small><span style="font-family: helvetica,arial,sans-serif;">The
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LEON3AX provides a reference
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design for LEON3-based systems. This version is tailored for the <a href="http://www.pender.ch/products.shtml">GR-CPCI-AX board</a> from Pender Electronic Design:<br>
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<br>
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</span></small>
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<table border="1" cellpadding="2" cellspacing="2" width="700">
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<tbody>
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<tr>
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<td valign="top">
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<h4><small><span style="font-family: helvetica,arial,sans-serif;">Board features:</span></small></h4>
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<small><span style="font-family: helvetica,arial,sans-serif;"></span></small><ul><li><small><span style="font-family: helvetica,arial,sans-serif;">Actel AX2000/RTAX2000 device<br>
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</span></small></li>
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<li><small><span style="font-family: helvetica,arial,sans-serif;">CPCI form-factor<br>
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</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">8 Mbyte Intel FLASH<br>
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</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">4 Mbyte 32-bit static RAM with 8-bit ECC<br>
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</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">Up to 512 Mbyte SDRAM in one SODIMM</span></small><br>
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</li><li><small><span style="font-family: helvetica,arial,sans-serif;">10/100 Mbit/s Ethernet MAC (LAN91C111)<br>
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</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">2x RS232 UART interfaces (1 Mbit/s)<br>
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</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">Dedicated DSU UART interface</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">33 MHz, 32-bit PCI interface<br>
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</span></small></li>
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<li><small><span style="font-family: helvetica,arial,sans-serif;">Stand-alone or CPCI operation<br>
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</span></small></li></ul>
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</td>
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<td valign="top"><a href="../../boards/gr-cpci-ax/ax_oblique640.jpg"><small><span style="font-family: helvetica,arial,sans-serif;"><img alt="" src="../../boards/gr-cpci-ax/ax_oblique640.jpg" align="right" border="0" height="240" width="320"></span></small></a></td>
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</tr>
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</tbody>
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</table>
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<small><span style="font-family: helvetica,arial,sans-serif;"><br>
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<br>
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</span></small>
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<small><span style="font-family: helvetica,arial,sans-serif;">
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<br>
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The LEON3AX design is provided together with GRLIB, and is
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located in grlib/designs/leon3-gr-cpci-xc2v6000. It consist of the following IP cores from GRLIB:<br>
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</span></small>
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<ul>
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<li><small><span style="font-family: helvetica,arial,sans-serif;">1 - 4 LEON3 processor
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cores with MP support</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">Multi-processor
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debug support unit (DSU) for LEON3<br>
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</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">32-bit PROM/SRAM
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controller</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">8-/16-/32-/64-bit
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PROM/SRAM/SDRAM controller</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">32-bit
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PCI target interface</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">Round-robin
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AHB arbiter and controller</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">AHB/APB bridge with
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plug&play support<br>
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</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">Multi-processor
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interrupt controller</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">32-bit modular timer
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unit</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">1 -
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2 UARTs with FIFO<br>
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</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">Serial debug
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communication link</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;">JTAG debug link</span></small></li>
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</ul>
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<small><span style="font-family: helvetica,arial,sans-serif;"></span></small>
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<h4><small><span style="font-family: helvetica,arial,sans-serif;">LEON3AX
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Block diagram</span></small></h4>
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<h4><small><span style="font-family: helvetica,arial,sans-serif;"></span></small></h4>
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<small><span style="font-family: helvetica,arial,sans-serif;"><img alt="" src="../../doc/grip/leon3mp.gif" height="393" width="615"><br>
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</span></small>
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<h4><span style="font-family: helvetica,arial,sans-serif;">Reference
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architecture</span></h4>
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<small><span style="font-family: helvetica,arial,sans-serif;">The
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LEON3AX is made up by cores from the GRLIB IP library, which are
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connected together via the AMBA AHB and APB buses. The plug&play
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configuration method of GRLIB makes it possible to assign any
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combination of addresses and interrupts to the cores. However, to be
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software compatible with simple operating systems such as the LEON
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Bare-C cross-compiler, some of the vital cores must be assigned to
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predefined addresses and interrupts. The table below shows the
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reference assigment in the LEON3AX design:<br>
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<br>
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</span></small>
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<table style="width: 100%; text-align: left;" border="1" cellpadding="2" cellspacing="2">
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<th style="vertical-align: top; width: 250px;"><small><span style="font-family: helvetica,arial,sans-serif;">Core</span></small></th>
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<th style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">Memory area<br>
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</span></small></th>
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<th style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">Interrupt</span></small></th>
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</tr>
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<tr>
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<td style="vertical-align: top; width: 250px;"><small><span style="font-family: helvetica,arial,sans-serif;">Memory controller<br>
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</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">0x00000000 -
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0x20000000 : PROM<br>
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0x20000000 - 0x40000000 : external I/O bus<br>
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0x40000000 - 0x80000000 : SRAM/SDRAM<br>
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0x80000000 - 0x80000100 : Memory controller registers (APB)<br>
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</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">-</span></small></td>
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</tr>
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<tr>
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<td style="vertical-align: top; width: 250px;"><small><span style="font-family: helvetica,arial,sans-serif;">APB bridge<br>
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</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">0x80000000 -
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0x80100000 : APB bus<br>
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</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">-</span></small></td>
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</tr>
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<tr>
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<td style="vertical-align: top; width: 250px;"><small><span style="font-family: helvetica,arial,sans-serif;">UART</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">0x80000100 - </span></small><small><span style="font-family: helvetica,arial,sans-serif;">0x80000200 : UART
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registers</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">2</span></small><br>
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</td>
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</tr>
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<tr>
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<td style="vertical-align: top; width: 250px;"><small><span style="font-family: helvetica,arial,sans-serif;">Interrupt controller</span></small><br>
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</td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">0x80000200 - </span></small><small><span style="font-family: helvetica,arial,sans-serif;">0x80000300 : IRQ
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registers<br>
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</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">-</span></small></td>
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</tr>
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<tr>
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<td style="vertical-align: top; width: 250px;"><small><span style="font-family: helvetica,arial,sans-serif;">Timer unit<br>
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</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;"></span></small><small><span style="font-family: helvetica,arial,sans-serif;">0x80000300</span></small><small><span style="font-family: helvetica,arial,sans-serif;"> -</span></small><small><span style="font-family: helvetica,arial,sans-serif;"></span></small><small><span style="font-family: helvetica,arial,sans-serif;"> 0x80000400 : timer
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registers<br>
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</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">8, 9<br>
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</span></small></td>
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</tr>
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<tr>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">LEON3 debug support
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unit (DSU)<br>
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</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">0x90000000 -
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0xA0000000 : DSU registers<br>
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</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">-</span></small></td>
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</tr>
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</tbody>
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</table>
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<small><span style="font-family: helvetica,arial,sans-serif;"><br>
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Additional (optional) IP cores are assigned addresses and interrupts as
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desribed in the table below. These assignments are LEON3MP specific and
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can be changed without impact on software compatibility.<br>
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<br>
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</span></small>
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<table style="width: 100%; text-align: left;" border="1" cellpadding="2" cellspacing="2">
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<tbody>
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<tr>
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<th style="vertical-align: top; width: 250px;"><small><span style="font-family: helvetica,arial,sans-serif;">Core</span></small></th>
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<th style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">Memory area<br>
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</span></small></th>
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<th style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">Interrupt</span></small></th>
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</tr>
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<tr>
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<td style="vertical-align: top; width: 250px;"><small><span style="font-family: helvetica,arial,sans-serif;">PCI initiator/target interface<br>
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</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: courier new,courier,monospace;"></span></small><small><span style="font-family: helvetica,arial,sans-serif;">0xE0000000 -
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0xF0000000 : PCI initiator access <br>
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0xFFF80000 - 0xFFFA0000 : PCI special cycles<br>
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0x80000400 - 0x80000500 : PCI registers<br>
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0x80000600 - 0x80000700 : PCI DMA registers<br>
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</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">-</span></small></td>
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</tr>
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<tr>
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<td valign="top"><small><span style="font-family: helvetica,arial,sans-serif;">PCI arbiter</span></small></td>
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<td valign="top"><small><span style="font-family: helvetica,arial,sans-serif;">0x80000A00 -
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0x80000B00 : PCI arbiter registers</span></small></td>
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<td valign="top"><br>
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</td>
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</tr>
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<tr>
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<td style="vertical-align: top; width: 250px;"><small><span style="font-family: helvetica,arial,sans-serif;">PCI trace buffer<br>
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</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">0x80010000 -
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0x80020000 : PCI trace buffer registers<br>
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</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">-</span></small></td>
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</tr>
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<tr>
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<td style="vertical-align: top; width: 250px;"><small><span style="font-family: helvetica,arial,sans-serif;">Serial debug
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communication link<br>
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</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;">0x80000700 - </span></small><small><span style="font-family: helvetica,arial,sans-serif;">0x80000800 : AHB UART
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registers</span></small></td>
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<td style="vertical-align: top;"><small><span style="font-family: helvetica,arial,sans-serif;"></span></small><small><span style="font-family: helvetica,arial,sans-serif;">-</span></small> </td>
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</tr>
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<tr>
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<td valign="top"><small><span style="font-family: helvetica,arial,sans-serif;">JTAG debug
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communication link</span></small></td>
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<td valign="top"><small><span style="font-family: helvetica,arial,sans-serif;">-</span></small></td>
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<td valign="top"><small><span style="font-family: helvetica,arial,sans-serif;">-</span></small></td>
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</tr>
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<tr>
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<td valign="top"><small><span style="font-family: helvetica,arial,sans-serif;">CAN interface</span></small></td>
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<td valign="top"><small><span style="font-family: helvetica,arial,sans-serif;"></span></small><small><span style="font-family: helvetica,arial,sans-serif;">0xFFFC0000</span></small><small><span style="font-family: helvetica,arial,sans-serif;"> -</span></small><small><span style="font-family: helvetica,arial,sans-serif;"></span></small><small><span style="font-family: helvetica,arial,sans-serif;"> 0xFFFC1000 : CAN
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control registers</span></small></td>
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<td valign="top"><small><span style="font-family: helvetica,arial,sans-serif;">13</span></small></td>
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</tr>
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<tr>
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<td valign="top"><small><span style="font-family: helvetica,arial,sans-serif;">On-chip RAM<br>
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</span></small></td>
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<td valign="top"><small><span style="font-family: helvetica,arial,sans-serif;"></span></small><small><span style="font-family: helvetica,arial,sans-serif;">0xA0000000</span></small><small><span style="font-family: helvetica,arial,sans-serif;"> -</span></small><small><span style="font-family: helvetica,arial,sans-serif;"></span></small><small><span style="font-family: helvetica,arial,sans-serif;"> 0xA0100000 : On-chip
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RAM<br>
|
| 231 |
|
|
</span></small></td>
|
| 232 |
|
|
<td valign="top"><br>
|
| 233 |
|
|
</td>
|
| 234 |
|
|
</tr>
|
| 235 |
|
|
<tr>
|
| 236 |
|
|
<td valign="top"><small><span style="font-family: helvetica,arial,sans-serif;">UART</span></small></td>
|
| 237 |
|
|
<td valign="top"><small><span style="font-family: helvetica,arial,sans-serif;">0x80000900 -
|
| 238 |
|
|
0x80000A00 : Secondary UART<br>
|
| 239 |
|
|
</span></small></td>
|
| 240 |
|
|
<td valign="top"><small><span style="font-family: helvetica,arial,sans-serif;">3</span></small></td>
|
| 241 |
|
|
</tr>
|
| 242 |
|
|
</tbody>
|
| 243 |
|
|
</table>
|
| 244 |
|
|
|
| 245 |
|
|
<br>
|
| 246 |
|
|
|
| 247 |
|
|
<h4><small><span style="font-family: helvetica,arial,sans-serif;">
|
| 248 |
|
|
</span></small></h4>
|
| 249 |
|
|
|
| 250 |
|
|
<h4><span style="font-family: helvetica,arial,sans-serif;">Configuration</span></h4>
|
| 251 |
|
|
|
| 252 |
|
|
<div style="text-align: left;"><small><span style="font-family: helvetica,arial,sans-serif;">The configuartion of
|
| 253 |
|
|
the LEON3MP design is defined through the config package located <a href="config.vhd">config.vhd</a>.
|
| 254 |
|
|
This file can be automatically generated using a GUI based on tkconfig.
|
| 255 |
|
|
To launch the GUI, do 'make xconfig'. After the configuration is
|
| 256 |
|
|
completed, save and
|
| 257 |
|
|
exit the tool and config.vhd will be created automatically.
|
| 258 |
|
|
<br>
|
| 259 |
|
|
<br>
|
| 260 |
|
|
<br>
|
| 261 |
|
|
<img alt="" src="../share/gui.gif" height="148" width="561"><br>
|
| 262 |
|
|
<br>
|
| 263 |
|
|
<i>Figure 1. LEON3MP configuration GUI</i><br style="font-family: helvetica,arial,sans-serif;">
|
| 264 |
|
|
</span></small><small>
|
| 265 |
|
|
</small></div>
|
| 266 |
|
|
|
| 267 |
|
|
<h4><span style="font-family: helvetica,arial,sans-serif;">Simulation</span></h4>
|
| 268 |
|
|
|
| 269 |
|
|
<small><span style="font-family: helvetica,arial,sans-serif;">To
|
| 270 |
|
|
simulate the testbench, first compile the model for simulation. This
|
| 271 |
|
|
can be done automatically for three different simulators. Execute one
|
| 272 |
|
|
of the following commands:</span><br style="font-family: helvetica,arial,sans-serif;">
|
| 273 |
|
|
</small>
|
| 274 |
|
|
<ul style="font-family: helvetica,arial,sans-serif;">
|
| 275 |
|
|
<li><small>make vsim</small></li><li><small>make ncsim</small></li><li><small>make ghdl</small></li>
|
| 276 |
|
|
</ul>
|
| 277 |
|
|
|
| 278 |
|
|
<small><span style="font-family: helvetica,arial,sans-serif;">For vsim,
|
| 279 |
|
|
start the simulation with 'vsim testbench' and do 'run 100'. This
|
| 280 |
|
|
should print the current LEON3AX configuration:</span><br style="font-family: helvetica,arial,sans-serif;">
|
| 281 |
|
|
</small><br>
|
| 282 |
|
|
|
| 283 |
|
|
<small><span style="font-family: courier new,courier,monospace;">$ vsim
|
| 284 |
|
|
-c -quiet testbench</span><br style="font-family: courier new,courier,monospace;">
|
| 285 |
|
|
<span style="font-family: courier new,courier,monospace;">Reading
|
| 286 |
|
|
/usr/local/model58/tcl/vsim/pref.tcl</span><br style="font-family: courier new,courier,monospace;">
|
| 287 |
|
|
<span style="font-family: courier new,courier,monospace;">Reading
|
| 288 |
|
|
/home/jiri/modelsim.tcl</span><br style="font-family: courier new,courier,monospace;">
|
| 289 |
|
|
</small><small><span style="font-family: courier new,courier,monospace;"></span></small><br style="font-family: courier new,courier,monospace;">
|
| 290 |
|
|
|
| 291 |
|
|
<small><span style="font-family: courier new,courier,monospace;"># 5.8</span><br style="font-family: courier new,courier,monospace;">
|
| 292 |
|
|
</small><small><span style="font-family: courier new,courier,monospace;"></span><big><tt>#
|
| 293 |
|
|
VSIM 1> run<br># LEON3 Demonstration design<br>
|
| 294 |
|
|
# GRLIB Version 0.16<br>
|
| 295 |
|
|
# Target technology: axcel , memory library: axcel<br>
|
| 296 |
|
|
# ahbctrl: mst0: Gaisler Research Leon3 SPARC V8 Processor<br>
|
| 297 |
|
|
# ahbctrl: mst1: Gaisler Research AHB Debug UART<br>
|
| 298 |
|
|
# ahbctrl: mst2: Gaisler Research Simple 32-bit PCI Target<br>
|
| 299 |
|
|
# ahbctrl: slv0: European Space Agency Leon2 Memory Controller<br>
|
| 300 |
|
|
# ahbctrl: memory at 0x00000000, size 512 Mbyte, cacheable, prefetch<br>
|
| 301 |
|
|
# ahbctrl: memory at 0x20000000, size 512 Mbyte<br>
|
| 302 |
|
|
# ahbctrl: memory at 0x40000000, size 1024 Mbyte, cacheable, prefetch<br>
|
| 303 |
|
|
# ahbctrl: slv1: Gaisler Research AHB/APB Bridge<br>
|
| 304 |
|
|
# ahbctrl: memory at 0x80000000, size 1 Mbyte<br>
|
| 305 |
|
|
# ahbctrl: slv2: Gaisler Research Leon3 Debug Support Unit<br>
|
| 306 |
|
|
# ahbctrl: memory at 0x90000000, size 256 Mbyte<br>
|
| 307 |
|
|
# ahbctrl: AHB arbiter/multiplexer rev 1<br>
|
| 308 |
|
|
# ahbctrl: Common I/O area at 0xfff00000, 1 Mbyte<br>
|
| 309 |
|
|
# ahbctrl: Configuration area at 0xfffff000, 4 kbyte<br>
|
| 310 |
|
|
# apbctrl: APB Bridge at 0x80000000 rev 1<br>
|
| 311 |
|
|
# apbctrl: slv0: European Space Agency Leon2 Memory Controller<br>
|
| 312 |
|
|
# apbctrl: I/O ports at 0x80000000, size 256 byte<br>
|
| 313 |
|
|
# apbctrl: slv1: Gaisler Research Generic UART<br>
|
| 314 |
|
|
# apbctrl: I/O ports at 0x80000100, size 256 byte<br>
|
| 315 |
|
|
# apbctrl: slv2: Gaisler Research Multi-processor Interrupt Ctrl.<br>
|
| 316 |
|
|
# apbctrl: I/O ports at 0x80000200, size 256 byte<br>
|
| 317 |
|
|
# apbctrl: slv3: Gaisler Research Modular Timer Unit<br>
|
| 318 |
|
|
# apbctrl: I/O ports at 0x80000300, size 256 byte<br>
|
| 319 |
|
|
# apbctrl: slv5: Gaisler Research General Purpose I/O port<br>
|
| 320 |
|
|
# apbctrl: I/O ports at 0x80000500, size 256 byte<br>
|
| 321 |
|
|
# apbctrl: slv7: Gaisler Research AHB Debug UART<br>
|
| 322 |
|
|
# apbctrl: I/O ports at 0x80000700, size 256 byte<br>
|
| 323 |
|
|
# apbctrl: slv9: Gaisler Research Generic UART<br>
|
| 324 |
|
|
# apbctrl: I/O ports at 0x80000900, size 256 byte<br>
|
| 325 |
|
|
# pci_target2: 32-bit PCI Target rev 0, 21-bit PCI memory BAR<br>
|
| 326 |
|
|
# grgpio5: 16-bit GPIO Unit rev 0<br>
|
| 327 |
|
|
# gptimer3: GR Timer Unit rev 0, 8-bit scaler, 2 32-bit timers, irq 8<br>
|
| 328 |
|
|
# irqmp: Multi-processor Interrupt Controller rev 3, #cpu 1<br>
|
| 329 |
|
|
# apbuart9: Generic UART rev 1, fifo 1, irq 3<br>
|
| 330 |
|
|
# apbuart1: Generic UART rev 1, fifo 8, irq 2<br>
|
| 331 |
|
|
# ahbuart7: AHB Debug UART rev 0<br>
|
| 332 |
|
|
# dsu3_2: LEON3 Debug support unit + AHB Trace Buffer, 1 kbytes<br>
|
| 333 |
|
|
# leon3_0: LEON3 SPARC V8 processor rev 0<br>
|
| 334 |
|
|
# leon3_0: icache 1*4 kbyte, dcache 1*4 kbyte<br>
|
| 335 |
|
|
<br style="font-family: courier new,courier,monospace;">
|
| 336 |
|
|
</tt></big>
|
| 337 |
|
|
<span style="font-family: courier new,courier,monospace;">VSIM 2>
|
| 338 |
|
|
run -all<br>
|
| 339 |
|
|
#<br>
|
| 340 |
|
|
# **** GRLIB system test starting ****<br>
|
| 341 |
|
|
# Leon3 SPARC V8 Processor<br>
|
| 342 |
|
|
# register file<br>
|
| 343 |
|
|
# multiplier<br>
|
| 344 |
|
|
# radix-2 divider<br>
|
| 345 |
|
|
# cache system<br>
|
| 346 |
|
|
# Multi-processor Interrupt Ctrl.<br>
|
| 347 |
|
|
# Generic UART<br>
|
| 348 |
|
|
# Modular Timer Unit<br>
|
| 349 |
|
|
# Test passed, halting with IU error mode<br>
|
| 350 |
|
|
#<br>
|
| 351 |
|
|
# ** Failure: *** IU in error mode, simulation halted ***<br>
|
| 352 |
|
|
# Time: 669213500 ps Iteration: 1 Process: /testbench/iuerr File: testbench.vhd<br>
|
| 353 |
|
|
# Break at testbench.vhd line 263<br>
|
| 354 |
|
|
# Stopped at testbench.vhd line 263<br>
|
| 355 |
|
|
</span></small><small><span style="font-family: helvetica,arial,sans-serif;"><br>
|
| 356 |
|
|
</span></small>
|
| 357 |
|
|
<h4><small><span style="font-family: helvetica,arial,sans-serif;">Synthesis<br>
|
| 358 |
|
|
</span></small></h4>
|
| 359 |
|
|
|
| 360 |
|
|
<h4><small><span style="font-family: helvetica,arial,sans-serif;"></span></small></h4>
|
| 361 |
|
|
|
| 362 |
|
|
<small><span style="font-family: helvetica,arial,sans-serif;">To
|
| 363 |
|
|
synthesize and place&route, use the make utility and issue 'make
|
| 364 |
|
|
designer' to synthesize with Synplify and place&route with Actel
|
| 365 |
|
|
Designer.<br>
|
| 366 |
|
|
<br>
|
| 367 |
|
|
</span></small><small><span style="font-family: helvetica,arial,sans-serif;">Alternatively, the design can be implemented using
|
| 368 |
|
|
the graphical XGrlib tool, which is started with 'make xgrlib'.</span></small><small><span style="font-family: helvetica,arial,sans-serif;"></span></small><small><span style="font-family: helvetica,arial,sans-serif;"><br>
|
| 369 |
|
|
<br>
|
| 370 |
|
|
<img alt="" src="../../doc/grlib/xgrlib.gif" height="537" width="619"></span></small><small><span style="font-family: helvetica,arial,sans-serif;"> </span></small><br>
|
| 371 |
|
|
|
| 372 |
|
|
<div style="text-align: justify;"><small><span style="font-family: helvetica,arial,sans-serif;"></span></small></div>
|
| 373 |
|
|
|
| 374 |
|
|
<small><span style="font-family: helvetica,arial,sans-serif;">
|
| 375 |
|
|
<br>
|
| 376 |
|
|
</span></small><small><span style="font-family: helvetica,arial,sans-serif;"><i>Figure 2. XGrlib
|
| 377 |
|
|
implementation tool</i></span></small><small><span style="font-family: helvetica,arial,sans-serif;"></span></small><small><span style="font-family: helvetica,arial,sans-serif;"><br>
|
| 378 |
|
|
</span></small><h4><small><span style="font-family: helvetica,arial,sans-serif;">Software
|
| 379 |
|
|
development</span></small></h4>
|
| 380 |
|
|
|
| 381 |
|
|
<h4><small><span style="font-family: helvetica,arial,sans-serif;"></span></small></h4>
|
| 382 |
|
|
|
| 383 |
|
|
<ul>
|
| 384 |
|
|
<li><small><span style="font-family: helvetica,arial,sans-serif;"><b><a href="http://www.rtems.org/">RTEMS</a>:</b> to
|
| 385 |
|
|
develop RTEMS applications, download and install the <a href="http://www.gaisler.com/products/rcc.html">LEON3 RTEMS
|
| 386 |
|
|
Cross-compiler</a> from gaisler.com. The LEON3 bsp automatically
|
| 387 |
|
|
detects
|
| 388 |
|
|
the location of UARTs, timers, interrupt controller and ethernet core
|
| 389 |
|
|
using the plug&play information. Full sources of kernel, libraries and tools available.</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;"><b>Bare-C</b>: a <a href="http://www.gaisler.com/doc/bcc.html">LEON3 bare-C compiler</a>
|
| 390 |
|
|
is available for download from gaisler.com. Come with full source code for both the
|
| 391 |
|
|
low-level I/O routines as well as the mkprom prom builder.</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;"><a href="http://sourceware.org/ecos/"><b>eCos</b></a>: a Leon3 port supporting FPU, SMP and single-vector trapping is available for ecos-current. Use Bare-C compiler to build.<br>
|
| 392 |
|
|
</span></small></li><li><small><span style="font-family: helvetica,arial,sans-serif;"><b>Linux</b>: a Leon3 port of uClinux and linux-2.6.11 is available in the <a href="http://www.gaisler.com/products/linux.html">snapgear
|
| 393 |
|
|
linux distribution</a>.</span></small></li>
|
| 394 |
|
|
</ul>
|
| 395 |
|
|
|
| 396 |
|
|
<small><span style="font-family: helvetica,arial,sans-serif;"></span></small>
|
| 397 |
|
|
<h4><small><span style="font-family: helvetica,arial,sans-serif;">Debugging<br>
|
| 398 |
|
|
</span></small></h4>
|
| 399 |
|
|
|
| 400 |
|
|
|
| 401 |
|
|
<small><span style="font-family: helvetica,arial,sans-serif;">The
|
| 402 |
|
|
on-chip debug support unit (DSU) makes debugging of target hardware
|
| 403 |
|
|
relatively easy. </span></small><small><span style="font-family: helvetica,arial,sans-serif;">The
|
| 404 |
|
|
design support both serial and JTAG debug interface, and the </span></small><small><span style="font-family: helvetica,arial,sans-serif;"> <a href="http://www.gaisler.com/products/grmon/grmon.html">GRMON debug
|
| 405 |
|
|
monitor</a></span></small><small><span style="font-family: helvetica,arial,sans-serif;"> can be attached with a serial cable, or using a Xilinx JTAG programming cable. </span></small><small><span style="font-family: helvetica,arial,sans-serif;"> Note that when you use the JTAG
|
| 406 |
|
|
interface, you need specify the frequency of the AHB clock since it is
|
| 407 |
|
|
not auto-detected. </span></small><small><span style="font-family: helvetica,arial,sans-serif;">Below
|
| 408 |
|
|
is a log from a debug session.<br>
|
| 409 |
|
|
<br>
|
| 410 |
|
|
</span></small><small><span style="font-family: helvetica,arial,sans-serif;"></span></small><small><span style="font-family: helvetica,arial,sans-serif;">
|
| 411 |
|
|
<br style="font-family: courier new,courier,monospace;">
|
| 412 |
|
|
<span style="font-family: courier new,courier,monospace;">$ grmon -u -grlib -jtag -freq 40</span></span></small><small><span style="font-family: helvetica,arial,sans-serif;"></span></small><small><span style="font-family: helvetica,arial,sans-serif;"><span style="font-family: courier new,courier,monospace;"></span><br style="font-family: courier new,courier,monospace;">
|
| 413 |
|
|
<br style="font-family: courier new,courier,monospace;">
|
| 414 |
|
|
<span style="font-family: courier new,courier,monospace;"> GRMON -
|
| 415 |
|
|
The LEON multi purpose monitor v1.0.6</span><br style="font-family: courier new,courier,monospace;">
|
| 416 |
|
|
<br style="font-family: courier new,courier,monospace;">
|
| 417 |
|
|
<span style="font-family: courier new,courier,monospace;"> Copyright
|
| 418 |
|
|
(C) 2004, Gaisler Research - all rights reserved.</span><br style="font-family: courier new,courier,monospace;">
|
| 419 |
|
|
<span style="font-family: courier new,courier,monospace;"> For
|
| 420 |
|
|
latest updates, go to http://www.gaisler.com/</span><br style="font-family: courier new,courier,monospace;">
|
| 421 |
|
|
<span style="font-family: courier new,courier,monospace;"> Comments
|
| 422 |
|
|
or bug-reports to grmon@gaisler.com</span><br style="font-family: courier new,courier,monospace;">
|
| 423 |
|
|
<br style="font-family: courier new,courier,monospace;">
|
| 424 |
|
|
<br style="font-family: courier new,courier,monospace;">
|
| 425 |
|
|
<span style="font-family: courier new,courier,monospace;"> GRLIB
|
| 426 |
|
|
DSU Monitor backend 1.0.1 (professional version)<br>
|
| 427 |
|
|
<br style="font-family: courier new,courier,monospace;">
|
| 428 |
|
|
</span>
|
| 429 |
|
|
<span style="font-family: courier new,courier,monospace;"></span></span></small><small><span style="font-family: helvetica,arial,sans-serif;"><span style="font-family: courier new,courier,monospace;">using JTAG cable on parallel port</span></span></small><small><span style="font-family: helvetica,arial,sans-serif;"><span style="font-family: courier new,courier,monospace;"></span><br style="font-family: courier new,courier,monospace;">
|
| 430 |
|
|
<br style="font-family: courier new,courier,monospace;">
|
| 431 |
|
|
<span style="font-family: courier new,courier,monospace;"> initialising
|
| 432 |
|
|
...........</span><br style="font-family: courier new,courier,monospace;">
|
| 433 |
|
|
<br style="font-family: courier new,courier,monospace;">
|
| 434 |
|
|
<span style="font-family: courier new,courier,monospace;"> Component
|
| 435 |
|
|
Vendor</span><br style="font-family: courier new,courier,monospace;">
|
| 436 |
|
|
<span style="font-family: courier new,courier,monospace;"> Leon3
|
| 437 |
|
|
SPARC V8
|
| 438 |
|
|
Processor
|
| 439 |
|
|
Gaisler Research</span><br style="font-family: courier new,courier,monospace;">
|
| 440 |
|
|
<span style="font-family: courier new,courier,monospace;"> AHB
|
| 441 |
|
|
Debug
|
| 442 |
|
|
UART
|
| 443 |
|
|
Gaisler Research</span><br style="font-family: courier new,courier,monospace;">
|
| 444 |
|
|
<span style="font-family: courier new,courier,monospace;"> Simple
|
| 445 |
|
|
32-bit PCI
|
| 446 |
|
|
Target
|
| 447 |
|
|
Gaisler Research</span><span style="font-family: courier new,courier,monospace;"></span><br style="font-family: courier new,courier,monospace;">
|
| 448 |
|
|
<span style="font-family: courier new,courier,monospace;"> LEON2
|
| 449 |
|
|
Memory
|
| 450 |
|
|
Controller
|
| 451 |
|
|
European Space Agency</span><br style="font-family: courier new,courier,monospace;">
|
| 452 |
|
|
<span style="font-family: courier new,courier,monospace;"> AHB/APB
|
| 453 |
|
|
Bridge
|
| 454 |
|
|
Gaisler Research</span><br style="font-family: courier new,courier,monospace;">
|
| 455 |
|
|
<span style="font-family: courier new,courier,monospace;"> Leon3
|
| 456 |
|
|
Debug Support
|
| 457 |
|
|
Unit
|
| 458 |
|
|
Gaisler Research</span><span style="font-family: courier new,courier,monospace;"></span><br style="font-family: courier new,courier,monospace;">
|
| 459 |
|
|
<span style="font-family: courier new,courier,monospace;"> Generic
|
| 460 |
|
|
APB
|
| 461 |
|
|
UART
|
| 462 |
|
|
Gaisler Research</span><br style="font-family: courier new,courier,monospace;">
|
| 463 |
|
|
<span style="font-family: courier new,courier,monospace;"> Multi-processor
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| 464 |
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Interrupt Ctrl Gaisler Research</span><br style="font-family: courier new,courier,monospace;">
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| 465 |
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<span style="font-family: courier new,courier,monospace;"> Modular
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| 466 |
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Timer
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Unit
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Gaisler Research</span><br style="font-family: courier new,courier,monospace;">
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| 469 |
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<br style="font-family: courier new,courier,monospace;">
|
| 470 |
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<span style="font-family: courier new,courier,monospace;"> Use
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| 471 |
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command 'info sys' to print a detailed report of attached cores</span><br style="font-family: courier new,courier,monospace;">
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| 472 |
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<br style="font-family: courier new,courier,monospace;">
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| 473 |
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<span style="font-family: courier new,courier,monospace;">grmon[grlib]>
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| 474 |
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info sys</span><br style="font-family: courier new,courier,monospace;">
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| 475 |
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<span style="font-family: courier new,courier,monospace;">00.01:003
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| 476 |
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Gaisler Research Leon3 SPARC V8 Processor (ver 0)</span><br style="font-family: courier new,courier,monospace;">
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| 477 |
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<span style="font-family: courier new,courier,monospace;">
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| 478 |
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ahb master 0</span><br style="font-family: courier new,courier,monospace;">
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| 479 |
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<span style="font-family: courier new,courier,monospace;">01.01:007
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| 480 |
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Gaisler Research AHB Debug UART (ver 0)</span><br style="font-family: courier new,courier,monospace;">
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| 481 |
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<span style="font-family: courier new,courier,monospace;">
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| 482 |
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ahb master 1</span><br style="font-family: courier new,courier,monospace;">
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| 483 |
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<span style="font-family: courier new,courier,monospace;">
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| 484 |
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apb: 80000700 - 80000800</span><br style="font-family: courier new,courier,monospace;">
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| 485 |
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<span style="font-family: courier new,courier,monospace;">
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| 486 |
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baud rate 115200, ahb frequency 25.00</span><br style="font-family: courier new,courier,monospace;">
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| 487 |
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<span style="font-family: courier new,courier,monospace;">02.01:012
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| 488 |
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Gaisler Research Simple 32-bit PCI Target (ver 0)</span><br style="font-family: courier new,courier,monospace;">
|
| 489 |
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<span style="font-family: courier new,courier,monospace;">
|
| 490 |
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ahb master 2</span><br style="font-family: courier new,courier,monospace;">
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| 491 |
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<span style="font-family: courier new,courier,monospace;"></span><span style="font-family: courier new,courier,monospace;"></span><br style="font-family: courier new,courier,monospace;">
|
| 492 |
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<span style="font-family: courier new,courier,monospace;">00.04:00f
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| 493 |
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European Space Agency LEON2 Memory Controller (ver 0)</span><br style="font-family: courier new,courier,monospace;">
|
| 494 |
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<span style="font-family: courier new,courier,monospace;">
|
| 495 |
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ahb: 00000000 - 20000000</span><br style="font-family: courier new,courier,monospace;">
|
| 496 |
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<span style="font-family: courier new,courier,monospace;">
|
| 497 |
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ahb: 20000000 - 40000000</span><br style="font-family: courier new,courier,monospace;">
|
| 498 |
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<span style="font-family: courier new,courier,monospace;">
|
| 499 |
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ahb: 40000000 - 80000000</span><br style="font-family: courier new,courier,monospace;">
|
| 500 |
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<span style="font-family: courier new,courier,monospace;">
|
| 501 |
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apb: 80000000 - 80000100</span><br style="font-family: courier new,courier,monospace;">
|
| 502 |
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<span style="font-family: courier new,courier,monospace;">
|
| 503 |
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32-bit sdram: 1 * 32 Mbyte @ 0x40000000, col 9, cas 2, ref 15.5 us</span><br style="font-family: courier new,courier,monospace;">
|
| 504 |
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<span style="font-family: courier new,courier,monospace;">01.01:006
|
| 505 |
|
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Gaisler Research AHB/APB Bridge (ver 0)</span><br style="font-family: courier new,courier,monospace;">
|
| 506 |
|
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<span style="font-family: courier new,courier,monospace;">
|
| 507 |
|
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ahb: 80000000 - 80100000</span><br style="font-family: courier new,courier,monospace;">
|
| 508 |
|
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<span style="font-family: courier new,courier,monospace;">02.01:004
|
| 509 |
|
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Gaisler Research Leon3 Debug Support Unit (ver 0)</span><br style="font-family: courier new,courier,monospace;">
|
| 510 |
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<span style="font-family: courier new,courier,monospace;">
|
| 511 |
|
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ahb: 90000000 - a0000000</span><br style="font-family: courier new,courier,monospace;">
|
| 512 |
|
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<span style="font-family: courier new,courier,monospace;">
|
| 513 |
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AHB trace 64 lines</span><br style="font-family: courier new,courier,monospace;">
|
| 514 |
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<span style="font-family: courier new,courier,monospace;">
|
| 515 |
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CPU#0 win 8, hw breakpoints 2, itrace 64 lines</span><br style="font-family: courier new,courier,monospace;">
|
| 516 |
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<span style="font-family: courier new,courier,monospace;">
|
| 517 |
|
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icache 1 * 4 kbyte, 32 byte/line</span><br style="font-family: courier new,courier,monospace;">
|
| 518 |
|
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<span style="font-family: courier new,courier,monospace;">
|
| 519 |
|
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dcache 1 * 4 kbyte, 32 byte/line</span><br style="font-family: courier new,courier,monospace;">
|
| 520 |
|
|
<span style="font-family: courier new,courier,monospace;">
|
| 521 |
|
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stack pointer 0x41fffff0</span><br style="font-family: courier new,courier,monospace;">
|
| 522 |
|
|
<span style="font-family: courier new,courier,monospace;"></span><span style="font-family: courier new,courier,monospace;"></span><br style="font-family: courier new,courier,monospace;">
|
| 523 |
|
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<span style="font-family: courier new,courier,monospace;">01.01:00c
|
| 524 |
|
|
Gaisler Research Generic APB UART (ver 1)</span><br style="font-family: courier new,courier,monospace;">
|
| 525 |
|
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<span style="font-family: courier new,courier,monospace;">
|
| 526 |
|
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irq 2</span><br style="font-family: courier new,courier,monospace;">
|
| 527 |
|
|
<span style="font-family: courier new,courier,monospace;">
|
| 528 |
|
|
apb: 80000100 - 80000200</span><br style="font-family: courier new,courier,monospace;">
|
| 529 |
|
|
<span style="font-family: courier new,courier,monospace;">
|
| 530 |
|
|
baud rate 38400, DSU mode</span><br style="font-family: courier new,courier,monospace;">
|
| 531 |
|
|
<span style="font-family: courier new,courier,monospace;">02.01:00d
|
| 532 |
|
|
Gaisler Research Multi-processor Interrupt Ctrl (ver 1)</span><br style="font-family: courier new,courier,monospace;">
|
| 533 |
|
|
<span style="font-family: courier new,courier,monospace;">
|
| 534 |
|
|
apb: 80000200 - 80000300</span><br style="font-family: courier new,courier,monospace;">
|
| 535 |
|
|
<span style="font-family: courier new,courier,monospace;">03.01:011
|
| 536 |
|
|
Gaisler Research Modular Timer Unit (ver 0)</span><br style="font-family: courier new,courier,monospace;">
|
| 537 |
|
|
<span style="font-family: courier new,courier,monospace;">
|
| 538 |
|
|
irq 8</span><br style="font-family: courier new,courier,monospace;">
|
| 539 |
|
|
<span style="font-family: courier new,courier,monospace;">
|
| 540 |
|
|
apb: 80000300 - 80000400</span><br style="font-family: courier new,courier,monospace;">
|
| 541 |
|
|
<span style="font-family: courier new,courier,monospace;">
|
| 542 |
|
|
16-bit scaler, 2 * 32-bit timers, divisor 25</span><br style="font-family: courier new,courier,monospace;">
|
| 543 |
|
|
<span style="font-family: courier new,courier,monospace;"><br>
|
| 544 |
|
|
</span></span></small><small><span style="font-family: helvetica,arial,sans-serif;"><span style="font-family: courier new,courier,monospace;">grmon[grlib]></span><span style="font-family: courier new,courier,monospace;"> </span><span style="font-family: courier new,courier,monospace;">lo ~/sparc-elf/src/examples/stanford<br>
|
| 545 |
|
|
section: .text at 0x40000000, size 61200 bytes<br>
|
| 546 |
|
|
section: .data at 0x4000ef10, size 2080 bytes<br>
|
| 547 |
|
|
total size: 63280 bytes (343.6 kbit/s)<br>
|
| 548 |
|
|
read 197 symbols<br>
|
| 549 |
|
|
entry point: 0x40000000<br>
|
| 550 |
|
|
grmon[grlib]> run<br>
|
| 551 |
|
|
Starting<br>
|
| 552 |
|
|
Perm Towers Queens
|
| 553 |
|
|
Intmm Mm Puzzle
|
| 554 |
|
|
Quick Bubble Tree FFT<br>
|
| 555 |
|
|
34
|
| 556 |
|
|
66 34
|
| 557 |
|
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34 900
|
| 558 |
|
|
316 33
|
| 559 |
|
|
50 217 1100<br>
|
| 560 |
|
|
<br>
|
| 561 |
|
|
Nonfloating point composite is 117<br>
|
| 562 |
|
|
<br>
|
| 563 |
|
|
Floating point composite is 869<br>
|
| 564 |
|
|
<br>
|
| 565 |
|
|
Program exited normally.<br>
|
| 566 |
|
|
grmon[grlib]></span></span></small><small><span style="font-family: helvetica,arial,sans-serif;"><br>
|
| 567 |
|
|
<br>
|
| 568 |
|
|
The LEON3AX test bench includes memory models of both boot-prom, sram
|
| 569 |
|
|
and sdram. To build memory images for these models, do 'make soft' .
|
| 570 |
|
|
Note: this will require that the bare-C compiler for LEON3 is
|
| 571 |
|
|
installed,
|
| 572 |
|
|
and /opt/sparc-elf/bin is added to the PATH.<br>
|
| 573 |
|
|
<br>
|
| 574 |
|
|
</span></small></td>
|
| 575 |
|
|
</tr>
|
| 576 |
|
|
<tr>
|
| 577 |
|
|
<td valign="top"><br>
|
| 578 |
|
|
</td>
|
| 579 |
|
|
</tr>
|
| 580 |
|
|
</tbody>
|
| 581 |
|
|
</table>
|
| 582 |
|
|
<h3><br>
|
| 583 |
|
|
<span style="font-family: helvetica,arial,sans-serif;"></span></h3>
|
| 584 |
|
|
<small><span style="font-family: helvetica,arial,sans-serif;"><br>
|
| 585 |
|
|
<br>
|
| 586 |
|
|
</span></small>
|
| 587 |
|
|
</body></html>
|
