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[/] [minsoc/] [trunk/] - Rev 55

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55 Adjusting Makefiles to compile correctly with new firmware updates.

1) except.o not included into libsupport.a.
2) libsupport.a linked to except.o, now in correct order: ld libsupport.a except.o -o executable (not the other way around)
3) int.c was not being compiled because of a #ifdef which is not set anywhere
rfajardo 3879d 07h /minsoc/trunk/
54 Moving spr_defs.h to or1200.h ConX. 3879d 09h /minsoc/trunk/
53 Indentation, deleting redundant files and adding externals ConX. 3879d 10h /minsoc/trunk/
52 Altera ALTPLL Megafunction Instantiation javieralso 3888d 00h /minsoc/trunk/
51 sw/support/uart.c: Changing the order of writes to the Divisor Latch of UART. (Thanks Ramkumar) rfajardo 3894d 13h /minsoc/trunk/
50 Removing unused firmware files, respective to or1ksim actually.

Removing the inclusion of the removed file mc.h in reset.S, probably required by or1ksim at some point.

Reworked except.S to use a macro instead of repeating the same procedure 16 times or so. Explanation added to the macro as a leading comment.
rfajardo 3906d 09h /minsoc/trunk/
49 Language correction for README.txt. rfajardo 3908d 07h /minsoc/trunk/
48 Clear some old docs that are already ported to MinSOC's Wiki ConX. 3908d 08h /minsoc/trunk/
47 Firmware updated to work with gcc-4.5. It is actually working just fine and gcc-4.5 assembly code seems a lot cleaner.

I noticed that by increasing the free stack space for the interrupt handler by 130 made the resulting firmware not work. I assume it is because 130 is not aligned 130%4 = 2 and the stack simply does not work then. Instead I'm freeing the previous 116 plus 128 (for 32 registers as mentioned by Jeremy) and it works.
rfajardo 3909d 06h /minsoc/trunk/
46 Including an explanation of what has to be updated on gpio to port it smoothly to minsoc. rfajardo 3909d 11h /minsoc/trunk/
45 A more stable version ConX. 3910d 02h /minsoc/trunk/
44 Fixing some bugs. But it still works only in Debian/Ubuntu ConX. 3910d 03h /minsoc/trunk/
43 Making some changes to MinSOC install script ConX. 3911d 00h /minsoc/trunk/
41 Including setup scripts to install all required tools to work with minsoc and to download all required sources. Thanks for the contribution of Xanthopoulos Constantinos. rfajardo 3915d 07h /minsoc/trunk/
40 Commiting a contributions directory, which has raw contributions of users. These contributions still have to be adapted to the system in order to work well. However, some users are certainly able to work with these versions.

FAQ: -added new idea to circumvent onboard DLC9 cable problem for adv_jtag_bridge
INSTALL: -gives a hint on how to install the system for Windows
HOWTO: -explains what a ucf file is and how to create it

backend: now we have the first contribution of a ucf file for the ML509 board (thanks to Matthew Hick)

Documentation: THESIS.txt explains to users, willing to tweak/understand the inner behavior of the OR1200 implementation of OpenRISC, what to read in order to get this information.
rfajardo 3921d 05h /minsoc/trunk/
39 FAQ:
-Adv_jtag_bridge self test fails?
-included now SoC flow mistakes
-forgetting to upload the bitfile
-leaving clock unconnected
-older information is now under "Known Issues" right below of SoC flow mistakes

Software:
-eth: included eth.h is from drivers and not from this directory. eth.h from this directory is old and has been removed.
-uart: included uart.h is from drivers and not from this directory. uart.h from this directory is old and has been removed.
rfajardo 3985d 22h /minsoc/trunk/
38 Small update to HOWTO: advices now to also include the ucf (pinout) file, for forgetful people :-).

FAQ: Added another option (hint) as a solution for people with on-board Xilinx USB cables, which do not reset.

uart.c: now uses the IRQ line definition instead of the line number directly.
rfajardo 4020d 21h /minsoc/trunk/
37 README.txt added, describing the installation and set-up processes. Also describing to use the FAQ or forum when you have problems and finally to read minsoc.pdf (the documentation) to understand the system after everything works, to know what to do next.

Clean-up of sw/utils, removing unused sources and files.

Update of sw/drivers/eth.c, direct casting to avoid compile warnings.

FAQ extended and with more links to the threads giving the solutions.

Synthesis examples inform that the firmware tweak for Spartan3E Starter Kit using Ethernet only works for system version up to 35.

minsoc.pdf and webpage now uses FPGA generic and specific codes instead of FPGA independent and dependent codes, because it suits it better.
rfajardo 4051d 08h /minsoc/trunk/
36 utils: -adding a 32 to 8 bit Wishbone bridge to connect 8 bit modules to the MinSoC interconnect.
-adding a Linux driver for parallel cables for the adv_jtag_bridge. It circumvents the necessity of privilege to run adv_jtag_bridge with cables xpc3 and xess.

sw/support: support library has been made completely standalone. That means, it is now independent from uClib and/or newlib. Thanks to Wojciech A. Koszek for his contribution on this.

sw/drivers: a driver library has been included, which supply drivers for the OpenRISC timer; and for UART, Ethernet, I2C, and CAN modules from OpenCores.

sw/uart and sw/eth: they don't provide code to control the UART and Ethernet controllers anymore. They use the drivers library instead.

Documentation:
-FAQ extended:
-table of contents
-explanation of how to use the 32 to 8 bit Wishbone bridge
-how to make adv_jtag_bridge work without privilege requirement for xess or xpc3
-explanation of locking problem of xpc_usb cable
-explanation of what to do if the cable is built on-board
-INSTALL:
-patching of gdb only required if version is 6.8, explanation on FAQ now.
-HOWTO:
-instruct to compile drivers library
-remove line numbers information on what to edit, better leave it to be found only by the informed context.
-adv_jtag_bridge execution now without 'sudo'. Note included that 'sudo' is required for Linux and xess or xpc3. Reference to FAQ to avoid this requirement.
rfajardo 4052d 04h /minsoc/trunk/
35 minsoc.pdf: -adjusting the date on the page header of MinSoC documentation. It was correct on the front and revision pages, now header adjusted accordingly. rfajardo 4056d 22h /minsoc/trunk/

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