Byron Lathi
262c4cfd83
Add sd emulator (need to add sd mode)
2024-03-12 22:14:02 -07:00
Byron Lathi
14cf303c9f
Update sd controller for sim
2024-03-12 21:51:55 -07:00
Byron Lathi
02097ff3b8
Update sd controller with data host
2024-03-12 20:23:41 -07:00
Byron Lathi
455814ec14
Update sd controller and test code
2024-03-12 18:20:51 -07:00
Byron Lathi
f7580f719f
Add program target to makefiles
2024-03-10 22:25:29 -07:00
Byron Lathi
61f6e53327
Updates based on fpga test
...
1. in SD mode, CMD0 does not have a response, so we specifically ignore
it.
2. The penable signal was messed up, although it looks like this doesn't
matter anyway
3. The SD clock should be out of phase from the data signal by 180
degrees, so that we get max hold time
2024-03-10 22:09:55 -07:00
Byron Lathi
3c0bf9740c
Delete init hex on clean
2024-03-10 21:56:48 -07:00
Byron Lathi
d3914b3a51
Add sd io pins
2024-03-10 16:09:12 -07:00
Byron Lathi
cb426670cd
Do synthesis with sd controller
2024-03-10 12:29:08 -07:00
Byron Lathi
da41e60ee7
integrate sd controller and super simple tb
2024-03-10 11:31:07 -07:00
Byron Lathi
81382925f8
Update rtl common and sd controller submodules
2024-03-10 10:24:50 -07:00
Byron Lathi
96e014567d
Add sd controller submodule
2024-03-04 00:06:29 -08:00
Byron Lathi
358dfdbe75
Add sdram io to fpga
2024-03-03 23:31:02 -08:00
Byron Lathi
aee04b777a
Fix sdram sim
...
Just need to add the RTL_SIM define
2024-03-03 21:33:28 -08:00
Byron Lathi
10a72d8e1f
Add sdram, don't think it works though
2024-03-03 20:43:37 -08:00
Byron Lathi
01b1ecbcac
Add basic sim
2024-03-03 17:09:17 -08:00
Byron Lathi
ab9da189d1
Build software correctly, ignore debugger files
2024-03-03 14:50:40 -08:00
Byron Lathi
42fbc17a2a
Add test code and top level Makefile
2024-03-03 12:52:44 -08:00
Byron Lathi
cd1dfa39cb
Fix PLL settings, add cpu output clock
2024-03-03 09:45:04 -08:00
Byron Lathi
0752220b0e
Add basic project with cpu, ram and rom
2024-03-02 22:46:48 -08:00
Byron Lathi
0a0394ae33
Delete everything
2024-03-02 20:11:33 -08:00
Byron Lathi
2cdd260a87
Change kicad library commit
...
Needs to be a commit in kicad-library-2
2023-12-01 07:57:38 -08:00
Byron Lathi
d49fa64d34
Merge branch '14-terminal-driver' into 'master'
...
Resolve "Terminal Driver"
Closes #14
See merge request bslathi19/super6502!58
2023-12-01 09:13:39 +00:00
Byron Lathi
e805b19eca
Add some flops to the mapper
...
This is NOT how to do CDC
2023-11-30 17:40:21 -08:00
Byron Lathi
3524892f80
Add quick uart irq test
2023-11-28 17:45:20 -08:00
Byron Lathi
0a854fcb7b
Add wires to fpga block (but don't connect them)
2023-11-26 18:55:02 -08:00
Byron Lathi
59017d637e
Create schematic heirarchy
2023-11-26 17:34:15 -08:00
Byron Lathi
b9595a7450
Create project, set env vars
2023-11-26 17:08:30 -08:00
Byron Lathi
1d61d183b0
Add updated kicad library
2023-11-26 14:37:43 -08:00
Byron Lathi
ed3edb5fab
Change kicad library to be a submodule
2023-11-25 21:19:34 -08:00
Byron Lathi
fe960bf0e3
Add docs
2023-11-25 20:38:38 -08:00
Byron Lathi
be31de4470
Add parts list
2023-11-25 20:22:39 -08:00
Byron Lathi
38af9b2545
Reduce cpu speed
2023-11-24 22:43:47 -08:00
Byron Lathi
89a1a70917
Revert sdram state machine upgrade
2023-11-24 17:54:03 -08:00
Byron Lathi
8721c816fc
Move fast signals to fast reset
2023-11-23 12:06:19 -08:00
Byron Lathi
aba37ec98d
Decouple spi_clk from cpu_clk
2023-11-23 11:49:16 -08:00
Byron Lathi
930e802a86
Add init code for mapper
...
init_mapper now remaps so that it can change irq vectors
2023-11-22 17:33:12 -08:00
Byron Lathi
b7b852ae4a
Update irq test code
2023-11-21 20:04:06 -08:00
Byron Lathi
102c4dfe8a
Use vectors for irq and nmi
2023-11-21 18:53:17 -08:00
Byron Lathi
1714a1e6da
add uart interrupt
2023-11-21 18:47:16 -08:00
Byron Lathi
4392a01de8
#53 Reduce interrupts to 128
2023-11-21 08:17:36 -08:00
Byron Lathi
7089b663ca
add interrupt init code (and increase rtc tick rate)
2023-11-20 22:23:18 -08:00
Byron Lathi
323519edbd
Enable interrupts, print out current rtc tick
2023-11-20 20:02:31 -08:00
Byron Lathi
e6a16b0c73
Add device setup test using kernel drivers
2023-11-20 08:29:35 -08:00
Byron Lathi
cf3aebc9f3
Fix irq code tb now that interrupts are used
2023-11-19 15:10:48 -08:00
Byron Lathi
429be0276a
Add rtc to efinix project
2023-11-19 15:04:41 -08:00
Byron Lathi
7c24389b10
Update RTC code test
2023-11-19 13:50:00 -08:00
Byron Lathi
7002aeebe6
Add rtc code test
2023-11-19 11:58:37 -08:00
Byron Lathi
00e4c551c1
Make full sim manual
2023-11-18 21:12:18 -08:00
Byron Lathi
cad6e80081
Merge branch '11-create-rtc' into 'master'
...
Resolve "Create RTC"
Closes #11
See merge request bslathi19/super6502!40
2023-11-19 03:54:43 +00:00
