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128 Commits

Author SHA1 Message Date
Jacob Pease
7505ab3f4a Fixed order of binary variables so that they're defined with the specified buildroot location. 2023-08-22 15:32:10 -05:00
Jacob Pease
fa327b5bbc Added ability to specify device tree to flash-sd. It also will generate the device tree files inside the specified buildroot directory 2023-08-22 13:59:36 -05:00
Jacob Pease
1ca8673c43 Added help option to the flash-sd script. 2023-08-22 13:37:33 -05:00
Jacob Pease
7c10de443d Merge branch 'main' of github.com:openhwgroup/cvw 2023-08-21 16:10:09 -05:00
Jacob Pease
8043a18be8 Made the flash-sd script better. It takes options to wipe the sdcard and to specify a different buildroot directory. 2023-08-21 16:04:18 -05:00
David Harris
38e437c724
Merge pull request #383 from ross144/main 
Adds Zicbom support for D-cache only.  I-cache not yet supported.  Tests 32 and 64 bit versions.  Please rebuild regressions wally32 and wally64.  To save rebuild time edit lines 11-12 of tests/riscof/Makefile
 2023-08-21 13:32:00 -07:00
Jacob Pease
61a7c05c31 Removed newer unimplemented features from Linux configuration. 2023-08-21 14:00:27 -05:00
Jacob Pease
366b90b7e7 Cleaned up some things. 2023-08-11 16:22:12 -05:00
Jacob Pease
76f18362b1 Added a table of contents to the linux readme. 2023-08-11 15:48:49 -05:00
Jacob Pease
d70baa25de Added instructions on disassembly to the README for Linux. 2023-08-11 13:11:06 -05:00
Jacob Pease
fa8c2c9334 Added details to the README.md for linux. 2023-08-11 12:27:23 -05:00
Jacob Pease
a313e7fb6e Added a README.md for the linux directory. WIP. 2023-08-11 12:11:56 -05:00
Jacob Pease
ea574f3836 Fixed bugs. Added an 'all' target that performs the whole process of building the images needed for booting linux, including device tree files. 2023-08-09 12:31:14 -05:00
Jacob Pease
9fae53ec2e Fixed device tree generation make rule. Make targets are simplified. 2023-08-09 00:22:20 -05:00
Jacob Pease
0f55e08d83 Stopped makefile from crashing when patch is already applied. 2023-08-06 18:50:37 -05:00
Jacob Pease
76649f39e8 Fixed Makefile bugs, and removed old code. 2023-08-05 15:27:17 -05:00
Jacob Pease
1c73260ff4 Created dependency tree for patch target in the linux subdirectory Makefile. 2023-08-05 13:28:33 -05:00
Jacob Pease
b02e3609cd flash-sd.sh fixed. GPT table is now destroyed before re-partioning, thus avoiding backup table collisions. 2023-08-04 17:28:22 -05:00
Jacob Pease
403e15c2bb Makefile dynamically generates all device tree files now. 2023-08-04 13:56:03 -05:00
Jacob Pease
923473354f Added device tree generation to Linux directory Makefile. Exits on not finding output/images folder in buildroot directory. 2023-08-02 19:26:35 -05:00
Jacob Pease
28af833552 Updated linux config. Works in QEMU now. 2023-08-02 18:59:42 -05:00
Ross Thompson
b5bcb5437f Merge branch 'main' of github.com:ross144/cvw 2023-08-02 16:51:42 -05:00
Ross Thompson
087d418c35 Updateds to vcu118 constraints and device tree. 2023-08-02 16:51:32 -05:00
Jacob Pease
6c9c4e7427 Adjusted the new makefile. 2023-08-02 16:24:20 -05:00
Jacob Pease
6cfe1017b9 Buildroot can now be set up with the new Linux Makefile. The driver can now also be loaded from addins/vivado-risc-v and should be removed from the main Wally repo. A sed command customizes the package source location for the new buildroot directory. 2023-08-02 16:12:26 -05:00
Jacob Pease
4288726944 Removed duplicate line in Makefile. 2023-08-02 14:59:20 -05:00
Jacob Pease
01276cd406 Linux makefile now copies the package contents with the correct package source. 2023-08-02 14:56:23 -05:00
Jacob Pease
bb020221d5 Added a Makefile to the Linux directory to take care of the Buildroot setup and other dependencies. 2023-08-02 14:28:17 -05:00
Ross Thompson
dd41f52292 Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-08-01 12:57:20 -05:00
Jacob Pease
b56a8f9cf7 Updated driver for latest version of linux 2023-08-01 12:56:16 -05:00
Ross Thompson
eb5fb07f54 Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-08-01 11:04:26 -05:00
Jacob Pease
78ea821f2c Updated linux and buildroot configs initial commit. 2023-08-01 10:55:46 -05:00
Ross Thompson
1b237a14a1 Pushed performance of arty a7 to 23Mhz. 2023-07-31 14:13:09 -05:00
Jacob Pease
d3476b64cd Updated VCU108 device tree for 256MB memory. 2023-07-27 17:44:31 -05:00
Ross Thompson
8dc7870e62 Updated Arty A7 fpga config and device tree to 256MiB main memory. 2023-07-25 15:11:47 -05:00
Ross Thompson
d418e4fa5e Updated arty a7 device clock speed for 20Mhz. 2023-07-24 11:50:00 -05:00
Ross Thompson
fd187e9ee6 Merge branch 'main' of github.com:ross144/cvw 2023-07-24 10:47:05 -05:00
Ross Thompson
d239b0649e Improved timing constraints for arty a7 to push clock speed to 20Mhz. 2023-07-24 10:46:49 -05:00
Ross Thompson
608400ac6a Updated arty a7 device tree. 2023-07-21 19:08:45 -05:00
Ross Thompson
6e17cfba03 At least it simulates and gets through fpga elaboration. 2023-07-21 18:40:26 -05:00
Ross Thompson
3eeecd2f27 Merge branch 'boot' into mergeBoot 
Merges Jacob's new sdc controller into wally.
 2023-07-21 17:43:45 -05:00
Ross Thompson
37078f3d9b Modified the LSU/IFU and caches to improve critical path. Arty A7 went from 15 to 17Mhz. I believe we can push all the way to 20+Mhz with relatively little effort. Along the way I'm fixing up the scripts build the linux images for the flash card. 2023-07-21 13:06:27 -05:00
Jacob Pease
36785848a5 Working new boot process. Buildroot package for sdc. 2023-07-20 14:15:59 -05:00
Ross Thompson
3bf2b35704 Wow. The newest version of Vivado does not like the enums as parameters. 
The solution is simple.  I changed the type to logic [31:0] and defined macros for the branch predictor types as 32 bit integers.
 2023-07-18 15:07:10 -05:00
Ross Thompson
a5f75d568b Added artya7 device tree. 2023-07-17 16:01:02 -05:00
Jacob Pease
142ec857ed Modified bootloader to access GUID partitions. SDC interrupt to PLIC. 
Since writing an SD card image generation script, the bootloader
needed to be altered to access individual binaries from specific
partitions. A new file, gpt.c with it's header gpt.h, have been added
to the bootloader to facilitate this.

The SDC has been added to the device tree for the VCU108
board. Additionally the SDC interrupt signal was added to the PLIC
node in the device tree. The PLIC itself  was modified to accept the
SDC interrupt signal.
 2023-07-14 13:36:44 -05:00
Ross Thompson
3de5144ae4 Updated vcu118 constraints to run cpu at 38.43Mhz. 2022-11-15 10:19:38 -06:00
Ross Thompson
b812549f38 Bumped DDR4 clock speed up from 832Mhz (1666 MT/s) to 1200 Mhz (2400 MT/s). 
Increased CPU clock speed from 30 Mhz to 35 Mhz.
 2022-11-11 15:33:03 -06:00
Ross Thompson
2e60edaedd Added new device trees for vcu118 and vcu108 boards. 2022-10-24 17:45:10 -05:00
Ross Thompson
d68bdfbade Updated the device tree to use 30Mhz instead of 10Mhz for the cpu timebase. 2022-10-20 15:05:39 -05:00