Subversion Repositories qspiflash

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Rev Log message Author Age Path
24 Fixed the v__DOT__* bug dgisselq 1245d 07h /
23 Updated headers dgisselq 1245d 07h /
22 Read only is now an option of wbqspiflash

It was a macro before.
dgisselq 1245d 07h /
21 Added a formal proof of the lower level QSPI driver dgisselq 1718d 20h /
20 Changed reference to flash_config to flashconfig.v dgisselq 1718d 20h /
19 LLQSPI now passes formal tests dgisselq 1718d 20h /
18 Renamed the flash config file dgisselq 1718d 20h /
17 Added an option to turn off verbose outputs per tick dgisselq 1718d 20h /
16 Added a full blown test bench to the controller

This includes:
- A global make file, and a "make test" which will build the test bench.
- Merging other versions of the QSPI flash driver I had lying around
- Grabbing the best of these, and verifying that they work
- The result is a reduction in overall logic
dgisselq 1861d 01h /
15 Made the flash simulator's size variable.

Also adjusted the C interface, providing some new functions, so that the flash
simulation can be loaded and queried easier.
dgisselq 1882d 07h /
14 Updates: little-big endian, various other fixes

1. Made the wbqspiflash.v and llqspi.v files compile with default_nettype none
2. Changed the internal flash representation to big endian. A little-big
endian conversion is now required when writing to the flash from a PC.
3. Simplified the address description via w_wb_addr and w_spif_addr, so that
the core is more flexible when changing sizes.
4. Removed the dependence upon the WB_CYC line ... as part of the WB
simplifications I've been doing.
5. Got XIP working for the EQSPI flash (I guess --- it's been a while since
I made those changes)
6. Adjusted (fixed) sim of read/writes to the volatile config register
(necessary for XIP)
dgisselq 1882d 08h /
13 Fixed VERILATOR_ROOT static dependency. dgisselq 2084d 21h /
12 Adding the sources for the extended Quad SPI flash test bench. dgisselq 2151d 23h /
11 This code has been proven, and is currently working within an Arty platform. dgisselq 2151d 23h /
10 Switched to Quad Output mode by default. dgisselq 2168d 20h /
9 Minor changes to the baseline, FIRST RELEASE OF THE EQSPIFLASH controller!! dgisselq 2168d 22h /
8 Minor documentation edits. dgisselq 2399d 19h /
7 Added the ability to make the Quad/SPI flash run in read-only mode, in an
effort to reduce it's resource/LUT usage enough to run on a Digilent Cmod-S6.
dgisselq 2420d 04h /
6 Minor documentation (formatting) changes. dgisselq 2588d 02h /
5 Minor changes to the documentation. dgisselq 2595d 06h /

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