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RTEMS Port to Lattice Mico32 (lm32) |
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Micro-Research has written a Lattice Mico32 port to the RTEMS operating system. The port has been committed to RTEMS CVS (which will become rtems-4.10). Currently a BSP (board support package) exists for custom hardware, but almost all of the code is shared and could be used as is on almost any Lattice Mico32 platform. The following Mico System Builder (MSB) components have drivers and are supported: - Console on MSB UART (3.2), for now polled mode only
- Clock using MSB Timer (3.0)
- Timer using MSB Timer (3.0)
- Networking driver for Lattice Tri-Speed Ethernet MAC
The MSB platform that the BSP has been built for consists of the following components: | Name | Base Address | Irq
| Description
| LM32
| 0x00000000
| | lm32 and Debug port
| | ebr | 0x04000000 | | 32kbytes embedded RAM used for exceptions | ddr2_sdram
| 0x08000000
| | 64Mbytes DDR2 SDRAM
| timer0
| 0x80002000
| 1
| Timer for RTEMS clock
| gpio
| 0x80004000
| | General Purpose I/O (unused)
| uart
| 0x80006000
| 0
| Serial Port / Console
| ts_mac_core
| 0x80008000
| 2
| Tri-Speed Ethernet MAC
| timer1
| 0x8000A000 | 3
| Timer for RTEMS timer (Timer tests)
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To build the RTEMS port you need to build the tools and then build RTEMS and optionally build sample test applications.
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Last Updated ( Tuesday, 09 December 2008 )
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RTEMS lm32 Port