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98 Commits

Author SHA1 Message Date
Jacob Pease
b626f2185a Fixed GPIO pin names in fpgaTop.v 2023-07-25 20:57:04 -05:00
Ross Thompson
b1f7a5768f Removed all old references to the old flash card controller. 
Added git submodule for the flash card in addins.
Replicated flash card top level for our changes into the fpga/src directory.
 2023-07-24 15:45:57 -05:00
Ross Thompson
63afd95ad3 Fixed bugs in boot and new flash card merge. Works with arty a7 now. 2023-07-22 15:52:25 -05:00
Ross Thompson
ab6ef5bb58 At least it simulates and gets through fpga elaboration. 2023-07-21 18:40:26 -05:00
Ross Thompson
a89a1e675c Merge branch 'boot' into mergeBoot 
Merges Jacob's new sdc controller into wally.
 2023-07-21 17:43:45 -05:00
Jacob Pease
380d96b359 Working new boot process. Buildroot package for sdc. 2023-07-20 14:15:59 -05:00
Ross Thompson
2752e5de4c Fixed a bunch of timing constraints for the arty a7 board. 2023-07-19 17:08:16 -05:00
Ross Thompson
97a16f75dc Fixed typo in fpga top for arty a7. 2023-07-19 11:37:29 -05:00
Ross Thompson
e4d6a9f8c6 Removed all old configuration files. 2023-07-19 10:28:54 -05:00
Ross Thompson
b756b248b4 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
6a2b752fc0 Updated arty a7 fpga top. 2023-07-17 15:55:57 -05:00
Jacob Pease
b3aaa87cba 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
a8f11dcad0 FPGA updates. 2023-06-20 11:11:34 -05:00
Ross Thompson
1a23f1360f Updated fpga wally wrapper to work with the ILA. 2023-06-19 12:15:48 -05:00
Ross Thompson
443c568994 Vivado requires an intermediate wrapper file for parameterization. 2023-06-16 16:30:14 -05:00
Ross Thompson
c44d4321fb FPGA synthesis is broken. This commit moves closer to fixing the issues causes by parameterization. 2023-06-16 15:40:13 -05:00
Jacob Pease
40f81d5da6 The Vivado-RISC-V SDC works. Wally is now booting through it. 2023-05-26 15:42:33 -05:00
Ross Thompson
1fec535b32 Fixed the reset for Arty A7 and now partially boots. Copies flash card to dram. 
but the data is wrong.
 2023-04-19 10:35:18 -05:00
Ross Thompson
224bf74530 Found the first issue. the axi clock converter was stuck in reset because the polarity was reversed. 2023-04-18 17:45:41 -05:00
Ross Thompson
668e69fdc9 Added more signals to debugger in hopes I can figure out why the mig is not responding. 2023-04-18 15:51:52 -05:00
Jacob Pease
2839f4f41a AHB triggers write, but AXI side doesn't update. 2023-04-18 15:23:22 -05:00
Ross Thompson
3588c53e66 It's almost working. 2023-04-18 14:24:59 -05:00
Ross Thompson
deb0bfc24d Improved constraints and set ddr3 voltage to correct 1.35V. This voltage is only for synthesis. However I'm concerned because the gui did not let me select 1.35V. 2023-04-17 20:05:59 -05:00
Ross Thompson
fbbba0e5c2 Finally we are building the fpga and can view the ila. we are getting out of reset, but we are stuck at PCM = 10b8. 2023-04-17 18:39:25 -05:00
Ross Thompson
2cbaa5c27b Dang. Looks like the reset button on the arty a7 is actually resetn. I wish they'd named it that way. 2023-04-17 16:37:18 -05:00
Ross Thompson
480562e53e Yay! We now have a functional ila and the uart connection on the pc side works. However the CPU is stuck in reset. Not really sure what's going on there. 2023-04-17 16:00:02 -05:00
Ross Thompson
f4734c0d1b Found and fixed the major architecture issue with the mig 7 used in the arty a7 board. 
mig 7 is completely different from the ddr4 mig in that the internal pll does not general the required clocks. An external mmcm is required to general two inputs clocks and the required user clock.
 2023-04-15 11:13:28 -05:00
Ross Thompson
5bcb0f6ace Fixed syntax errors in arty7 top level. 2023-04-10 16:08:40 -05:00
Ross Thompson
0700202001 Added more support for Arty A7 board. 2023-04-10 16:01:17 -05:00
Jacob Pease
b796b1b492 Build doesn't work. AXI Crossbar has problems. 2023-04-06 16:01:58 -05:00
Ross Thompson
0afba56927 Updated GPIO signal names to reflect book. 2023-03-24 18:55:43 -05:00
Jacob Pease
2d0199a354 Added sdio_cd to vcu108 constraints. Removed SDC signals from uncore 2023-03-24 17:01:27 -05:00
Jacob Pease
449b835fcd Disabled old SD card and attached IOBUF's to new SD peripheral. 2023-02-28 12:20:46 -06:00
Jacob Pease
85d789a7e0 AXI Crossbar is working. Fixed address width in generator script. 2023-02-22 15:13:16 -06:00
Jacob Pease
c36d32f850 Flipped crossbar inputs and outputs to correctly place masters. 2023-01-27 14:57:36 -06:00
Jacob Pease
264f0ba0da Removed IOBUF's from sdc_controller. 2023-01-27 14:35:34 -06:00
Jacob Pease
c8d487b9e6 Created missing wires for axi interfaces in fpgaTop.v. 2023-01-23 19:02:01 -06:00
Jacob Pease
12b379ebd8 Added IOBUFs to SDCDat. Edited debug2.xdc. Dwidth converter error. 2023-01-19 16:57:43 -06:00
Jacob Pease
ee3a9537a8 Fixed errors in uncore and included newsdc stuff in wally.tcl 2023-01-17 16:46:00 -06:00
Jacob Pease
b618518907 Fixed typos. Apparently `defube causes a weird vivado error. 2023-01-13 16:59:18 -06:00
Jacob Pease
dcfb68daee Added IPs to wally.tcl. 2023-01-13 14:36:23 -06:00
Jacob Pease
e5d4277406 Connected the axi_sdc_controller with an axi crossbar. 
Added an adrdec.sv to the adrdecs.sv file for the sake of the
cache. Modified Uncore accordingly.
 2023-01-13 13:56:01 -06:00
Ross Thompson
e99a424ddc Updated top level fpga file. 2022-11-18 11:10:45 -06:00
Ross Thompson
16e10a4c5b added new constraints for fpga. 2022-09-17 22:20:06 -05:00
Ross Thompson
3d829dbbd3 Fixed two issues. 
First the xci files already include the xdc constraints for each IP block. There is no need to include the xdc files explicitly.
Second the bidir buffer for the sd card was connected backwards.
 2021-12-07 12:15:50 -06:00
Ross Thompson
41258529f0 Fixed bug in the top level of fpga verilog. 2021-12-03 17:55:36 -06:00
Ross Thompson
6a228ade04 Got fpga synthesis running from scripts. 2021-12-01 16:59:04 -06:00
Ross Thompson
96926877c4 Created top level FPGA module which replicates the schematic of the initial fpga design. 2021-11-30 17:18:28 -06:00