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README: rewrap

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Sebastien Bourdeauducq 2014-04-08 17:22:44 +02:00
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@ -9,22 +9,26 @@ a high performance and small footprint SoC based on Migen
[> Features [> Features
----------- -----------
* LatticeMico32 CPU, modified to include an optional MMU (experimental). * LatticeMico32 CPU, modified to include an optional MMU (experimental).
* High performance memory controller capable of issuing several SDRAM commands per FPGA cycle. * High performance memory controller capable of issuing several SDRAM commands
per FPGA cycle.
* Supports SDR, DDR, LPDDR and DDR2. * Supports SDR, DDR, LPDDR and DDR2.
* Provided peripherals: UART, GPIO, timer, GPIO, NOR flash controller, SPI flash controller, * Provided peripherals: UART, GPIO, timer, GPIO, NOR flash controller, SPI
Ethernet MAC, and more. flash controller, Ethernet MAC, and more.
* High performance: on Spartan-6, 83MHz system clock frequencies, 10+Gbps DDR SDRAM bandwidth, * High performance: on Spartan-6, 83MHz system clock frequencies, 10+Gbps DDR
1080p 32bpp framebuffer, etc. SDRAM bandwidth, 1080p 32bpp framebuffer, etc.
* Low resource usage: basic implementation fits easily in Spartan-6 LX9. * Low resource usage: basic implementation fits easily in Spartan-6 LX9.
* Portable and easy to customize thanks to Python- and Migen-based architecture. * Portable and easy to customize thanks to Python- and Migen-based
* Design new peripherals using Migen and benefit from automatic CSR maps and logic, etc. architecture.
* Design new peripherals using Migen and benefit from automatic CSR maps
and logic, etc.
* Possibility to encapsulate legacy Verilog/VHDL code. * Possibility to encapsulate legacy Verilog/VHDL code.
MiSoC comes with built-in support for the following boards: MiSoC comes with built-in support for the following boards:
* Mixxeo, the digital video mixer from M-Labs [XC6SLX45] * Mixxeo, the digital video mixer from M-Labs [XC6SLX45]
* Milkymist One, the original M-Labs video synthesizer [XC6SLX45] * Milkymist One, the original M-Labs video synthesizer [XC6SLX45]
* Papilio Pro, a simple and low-cost development board [XC6SLX9] * Papilio Pro, a simple and low-cost development board [XC6SLX9]
MiSoC is portable and support for other boards can easily be added as external modules. MiSoC is portable and support for other boards can easily be added as external
modules.
[> Quick start guide [> Quick start guide
-------------------- --------------------
@ -35,8 +39,8 @@ MiSoC is portable and support for other boards can easily be added as external m
For Mixxeo and M1: http://urjtag.org For Mixxeo and M1: http://urjtag.org
For Papilio Pro: http://xc3sprog.sourceforge.net For Papilio Pro: http://xc3sprog.sourceforge.net
3. Obtain and build any required flash proxy bitstreams. Flash proxy bitstreams give JTAG access 3. Obtain and build any required flash proxy bitstreams. Flash proxy bitstreams
to a flash chip through the FPGA. give JTAG access to a flash chip through the FPGA.
For Mixxeo and M1: https://github.com/m-labs/fjmem-m1 For Mixxeo and M1: https://github.com/m-labs/fjmem-m1
For Papilio Pro: https://github.com/GadgetFactory/Papilio-Loader For Papilio Pro: https://github.com/GadgetFactory/Papilio-Loader
(xc3sprog/trunk/bscan_spi/bscan_spi_lx9_papilio.bit) (xc3sprog/trunk/bscan_spi/bscan_spi_lx9_papilio.bit)
@ -67,7 +71,8 @@ MiSoC is portable and support for other boards can easily be added as external m
8. Run a terminal program on the board's serial port at 115200 8-N-1. 8. Run a terminal program on the board's serial port at 115200 8-N-1.
You should get the BIOS prompt. You should get the BIOS prompt.
9. Read and experiment with the source! Come to our IRC channel and mailing list! 9. Read and experiment with the source!
Come to our IRC channel and mailing list!
[> License [> License
---------- ----------