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354 Commits

Author SHA1 Message Date
Michael Cardell Widerkrantz
ccc3b16569
fw: Safer memory functions + asserts 
Introduce memcpy_s() and wordcpy_s() that takes the destination buffer
size as an argument. Use assert() which aborts our program to an
eternal loop if we hit problems.

Sprinkle asserts elsewhere as well.

Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2023-03-14 10:25:01 +01:00
Michael Cardell Widerkrantz
f386cec1ed
fw: Add destination buffer size to read() 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2023-03-14 10:25:00 +01:00
Michael Cardell Widerkrantz
b292c72534
fw: Remove unnecessary memcpy() from putinthex() 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2023-03-14 10:25:00 +01:00
Joachim Strömbergson
b9c415f5d6
bank1 access should also be disabled by default. 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-13 12:43:07 +01:00
Joachim Strömbergson
000b7644b5
Update fw ram last address to match new mem size 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-08 13:31:45 +01:00
Daniel Lublin
5f4f5c6584
Correct for new fw-ram size 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2023-03-08 12:34:34 +01:00
Daniel Lublin
ebe59647bb
Adjust header file to new fw_ram size 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2023-03-08 11:26:25 +01:00
Joachim Strömbergson
a63ba8eb13
Double the size of the fw_ram to 2 kByte 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-08 11:20:38 +01:00
Matthew Mets
0a31685dc0 Add modified case plastic design for MTA1 programmer 2023-03-07 17:09:38 +01:00
Daniel Lublin
8fd0fca967
Grow largest frame length to 512 bytes 2023-03-07 13:52:02 +01:00
Joachim Strömbergson
2e2ca04ab7
Bump FPGA design version to 5 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-07 12:30:10 +01:00
Joachim Strömbergson
d075cc72c3
Manually merged changes for scrambling 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-07 10:42:59 +01:00
Joachim Strömbergson
3eb5b7879c Add API address to read out number of bytes in Rx FIFO 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-07 08:22:27 +01:00
Joachim Strömbergson
4db4e39205
Clarify the purpose and functionality of the tk1 core 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-07 08:20:18 +01:00
Joachim Strömbergson
74fd7e3001
Fix spelling nits 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-07 08:16:42 +01:00
Joachim Strömbergson
6f327d2ff9
Block changing of monitor addresses when enabled 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-06 15:41:55 +01:00
Joachim Strömbergson
66ebe5089a
Add fw_ram as always active exe monitor area 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-06 15:41:55 +01:00
Michael Cardell Widerkrantz
0caf260553
Add CPU_MON offsets 
Introduces offsets for setting addresses to check for execution and
offset for controlling the execution monitor.

- TK1_MMIO_TK1_CPU_MON_CTRL
- TK1_MMIO_TK1_CPU_MON_FIRST
- TK1_MMIO_TK1_CPU_MON_LAST
 2023-03-06 15:41:55 +01:00
Joachim Strömbergson
5c05ae657e
exe monitor can only be enabled, not disabled 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-06 15:41:55 +01:00
Joachim Strömbergson
7612d00ccf
Feed CPU illegal instruction to trigger trap 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-06 15:41:55 +01:00
Joachim Strömbergson
8ba97e16f3
Move force_jump function to top level mem system 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-06 15:41:54 +01:00
Joachim Strömbergson
86ea45e10a
Add CPU execution monitor 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-06 15:41:53 +01:00
Joachim Strömbergson
e514f778b2 Remove stray variable for blake2s address update 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-06 11:32:38 +01:00
Joachim Strömbergson
adcccc44de Change reset value for the trap led to black 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-06 11:32:38 +01:00
Joachim Strömbergson
d335dd708a Add HW to detect trap in cpu and signal using the LEDs 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-06 11:32:38 +01:00
Matthew Mets
0c200dc4e4 Add latest (unreleased) clip plastic design 2023-03-01 13:57:35 +01:00
Matthew Mets
1e8da7de53 Add clip plastic for Acrab release (version 15) 2023-03-01 13:57:35 +01:00
Daniel Lublin
c9593f11c8 Config verilator lint to ignore known 3rd-party warnings; let warnings be fatal 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2023-03-01 13:37:31 +01:00
Matthew Mets
4995fdb93d Add tk1 case plastic designs 2023-02-28 11:33:40 +01:00
Joachim Strömbergson
caeee54e19
Change LED reset value to black 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-02-27 13:21:51 +01:00
Joachim Strömbergson
317561ad32
Remove options that are the same as the default values 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-02-27 10:22:04 +01:00
Daniel Lublin
9a6a790715
Add github action with basic CI that builds 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2023-02-03 14:28:56 +01:00
Daniel Lublin
eea8923170 Update fw & testfw to new api 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2023-01-30 15:48:57 +01:00
Joachim Strömbergson
6137b88fe0 Add separate start, stop bits and running status bit in API 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-01-30 15:48:57 +01:00
Joachim Strömbergson
ab03ebd12c
Improve wording ans size info in header 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-01-30 13:19:01 +01:00
Joachim Strömbergson
cc464e5be2
The memory is 256 x 32 bits, not 512 x 32 bits 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-01-30 13:00:43 +01:00
Joachim Strömbergson
f020495695
Cleanup of tb for timer core 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-01-20 10:14:44 +01:00
Daniel Lublin
60efb3c25e
Correct to new path 2023-01-13 15:42:46 +01:00
Matthew Mets
072b204d3d
Add (hardware) production tests for the TK-1 and TP-1 (#69) 
* ch552 firmware: add ch55x support files directly

* Add sdcc compiler to docker image, for building CH552 firmware

* Rework production test script

* Add menu-based test runner
* Rewrite production test flows as lists of individual tests
* Add both production flows and manual tests to menu

* Switch to using included binaries

* production test: Update message format
* test_txrx_touchpad: Retry if device communications fail
* production test: put all binaries in binaries/ folder
* binaries/top.bin: replace broken binary

* flash_check: Check for explicit flash IDs

* Document most test procedures

* Test plan documentation

* Sample udev rules

* Production test: allow external references to be overridden

* Remove outdated descriptions

* Correct shebang

* Update shebangs to comply with PEP 394

Change the python scripts to call python instead of python3, as this
works cross platform. See:
https://peps.python.org/pep-0394/#for-python-script-publishers

* Move production test to higher-level directory

* Clarify production test setup

* Move USB C connector test to separate directory

Co-authored-by: Michael Cardell Widerkrantz <mc@tillitis.se>
 2023-01-11 16:33:01 +01:00
Matthew Mets
34c1a20015
Remove outdated description 2023-01-09 10:31:26 +01:00
Daniel Lublin
f3c4e6c818
Revise UDI 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2023-01-05 14:34:32 +01:00
Matthew Mets
21fffd3fed
Ch552 license (#65) 
* Add MIT license for CH552 firmware
 2023-01-03 15:48:53 +01:00
Joachim Strömbergson
9ce2b8a84a
Only accept tx data when the core is ready 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-01-02 13:10:40 +01:00
Matthew Mets
e71d70008b
TK-1 and TP-1 PCBs (#52) 
* Add kicad library for flat programming clip

* Add descriptions to part symbols

* Add extended values, manufacturer/distributor info to components in mta1

* Add new board entry for TK1

* Add TP1 programmer design

* Update MTA1-USB-V1 release files to match production

* Change SPI flash memory type to XT25F08BDFIGT-S
* Change touch sensor feedback cap to 1uF
* Add manufacturer, manufacturer part number, distributor, distributor part number

* Update component values for TK1 PCB

* Use specific part # for C8
* Change flash back to Winbond part, for easier sourcing
* Change C1 to 1pF

* Fixes for production programmer PCB

* Swap GND and 5V on J3
* Replace graphic logo with text
* Rename part to 'TP-1'

* TK-1 release

* Add dimensions for PCB
* Add layer stackup for PCB
* Change PCB component origin to match expanded board
* Change schematic title to 'TK-1', update release date

* mta1-usb-v1-programmer: Add corrected part numbers for OSFC production

* Q1, Q2, F1 part subsititutions
* add mfr/supplier info for all parts

* PCB library: add parts

* Rectangular footprint for TK-1 test pads
* BOM generation script used for TK-1 and TP-1 releases

* TP-1 release

* Schematic: Add manufacturer, supplier information for all parts
* Schematic: Update name and release date
* PCB: Add PCB fabrication information
* PCB: Correct pinouts on silkscreen

* PCB library: add 'screw' and 'foot' symbols

* Screw is a schematic-only part, for including mechanical screws in the
  BOM
* Foot is for self-adhesive rubber mounting feet that can be stuck to
  the bottom of a PCB

* TP-1 release: Add screws, feet to the BOM

* Pico library: Add footprint for RPi Pico w/solder paste

* TP-1 RevA release updates:

* Add fiducials in 3 corners (1mm exposed copper ring w/2mm soldermask opening)
* Add solder paste openings to Raspberry Pi Pico pads

* TK-1: RevA.1 release

* Add two fiducials to TK-1 board

* TP-1: Update fuse type to match actual part

* Make placement diagrams for TP-1, TK-1

* Update BC-1-xxx footprints to include placement outlines
* Update TP-1 PCB with new footprints, clean up top fab layer
* Take screenshots of top layers of both boards

* tk-1: fix placement footprints

* Add pin1 marking for ncp footprint
* Add refdes for w25q80 footprint
* Update board with new footprints, clear extraneous text on fab layer
 2022-12-22 16:41:46 +01:00
Daniel Lublin
c1b71b7ba6
testfw: test that UDI can't be read app-mode 2022-12-20 12:06:07 +01:00
Daniel Lublin
11c8eec7b8
testfw: use define and simplify 2022-12-20 12:06:07 +01:00
Joachim Strömbergson
5c74a0727c
Lock down access to UDI in app mode 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2022-12-20 12:05:56 +01:00
Daniel Lublin
c573155ba1
Sleep for a random number of cycles before reading out UDS to FW RAM 
To protect against warm boot attacks.

Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-12-19 15:25:29 +01:00
Daniel Lublin
9b9a125c66
Purge UDA; never implemented, now deprecated 
Fixes #58

Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-12-19 14:32:01 +01:00
Michael Cardell Widerkrantz
08e1438d1e
fw: Add support for blake2s MMIO 
In firmware we store the address to firmware blake2s() function at
TK1_MMIO_TK1_BLAKE2S so app can use this firmware function sort of
like a system call but without context switch.
 2022-12-15 12:59:52 +01:00
Joachim Strömbergson
a48dc7cbbb
Add reg writable from FW, readable from app for blake2s entry 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2022-12-08 16:16:15 +01:00
Michael Cardell Widerkrantz
3220d1c119
testfw: Remove test_ prefix on UART functions 2022-12-02 16:12:25 +01:00
Michael Cardell Widerkrantz
65bc96a725
fw: Prefix all HTIF console I/O functions with htif_ 2022-12-02 15:09:10 +01:00
Daniel Lublin
49d4735f17
Use TKey name 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-12-02 08:03:06 +01:00
Daniel Lublin
f87e12d1bb
Build with zmmul extension (require clang 15) 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-11-29 13:03:06 +01:00
Daniel Lublin
367fbec035
tpt: print whole output file paths when verbose 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-11-29 12:50:26 +01:00
Daniel Lublin
0541be76f3
tpt: make it really ask for items that are not passed in args 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-11-29 12:39:24 +01:00
Daniel Lublin
3c09960918
Ignore virtualenv dir down where we use it; unignore disused toolchain dirs 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-11-29 08:10:05 +01:00
Michael Cardell Widerkrantz
a0974a2c0b
fw: Make FW_CMD_NAME_VERSION return names as ASCII arrays 
Signed-off-by: Michael Cardell Widerkrantz <mc@tillitis.se>
 2022-11-28 16:17:19 +01:00
Daniel Lublin
a2bc95f49a
Flash red when ending in unknown stat 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-11-28 16:17:19 +01:00
Daniel Lublin
687ee4f8b1
Let LED be steady white when loading app 2022-11-28 16:17:19 +01:00
Michael Cardell Widerkrantz
60b2dcfbb9
fw: Don't allow an app size of 0 2022-11-28 16:17:19 +01:00
Michael Cardell Widerkrantz
c80dc53027
fw: Introduce an explicit state machine - changes protocol! 
We introduce an explicit state machine (see README).

With the new states we:

- combine setting size and USS to a single command.
- start the device app immediatiely when having receceived the last
  data chunk and returning the digest.
- Loop forever and wait for the stick to be removed if we end up in
  unknown state.

Signed-off-by: Michael Cardell Widerkrantz <mc@tillitis.se>
 2022-11-28 16:17:19 +01:00
Joachim Strömbergson
2fa1ffb8e7
Disable HW support in CPU for DIV 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2022-11-28 16:15:01 +01:00
Daniel Lublin
3435941eab
Remove version suffixes, no longer needed on ubuntu 22.10 (clang 15) 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-11-23 09:47:48 +01:00
Joachim Strömbergson
a15a94fe8e
Move readme:s for boards and firmware to doc subdir 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2022-11-21 16:27:30 +01:00
Daniel Lublin
acb9c37ee7
Add fw cmd to get UDI 2022-11-21 15:45:27 +01:00
Daniel Lublin
a2ffb6d007
Correct reference 2022-11-15 15:19:45 +01:00
Joachim Strömbergson
1a49304224 Merge branch 'main' of github.com:tillitis/tillitis-key1 2022-11-09 15:06:07 +01:00
Joachim Strömbergson
159b20fa4e
Zero extend the address to match SB_RAM4K ports 2022-11-09 15:05:03 +01:00
Daniel Lublin
a14662c622
Change to max 100 KB app with 28 KB stack 2022-11-02 15:52:29 +01:00
Daniel Lublin
fdda69745e
Add wrapper script that runs reset.py using virtualenv 2022-11-02 15:19:31 +01:00
Daniel Lublin
7af0fc6777
Make hid_test fail less confusingly when programming device is not connected 
Add requirements.txt
 2022-11-02 15:19:30 +01:00
Matthew Mets
48f32949bc
Add software reset example for the mta1 programmer 2022-11-02 15:16:24 +01:00
Joachim Strömbergson
517fafff57 Merge branch 'bigger_rx_fifo' 2022-11-02 14:22:46 +01:00
Daniel Lublin
8755a65a38
Format code 2022-10-31 10:07:23 +01:00
Joachim Strömbergson
8061491f6e
Cleanup, and use fifo_empty to indicate data available 2022-10-28 13:12:47 +02:00
Joachim Strömbergson
24d8680772
Improve detection of empty and full FIFO 2022-10-28 13:09:21 +02:00
Joachim Strömbergson
0eacbca2f9
Increase size of RX-FIFO to 512 bytes 2022-10-28 12:48:13 +02:00
Daniel Lublin
85ef93cd3c
Clarify switch_app reads and writes; add read test to testfw 2022-10-26 11:38:58 +02:00
Daniel Lublin
4b4f014d38
Rename to TK1 2022-10-26 09:20:02 +02:00
Daniel Lublin
db8f9cf881
Document SRAM==SPRAM; fix whitespace 2022-10-24 11:58:54 +02:00
Michael Cardell Widerkrantz
490571b6c0
Clear all RAM during start 
Since SRAM has some data remanence even without power it seems good
hygien to clear all RAM when starting the device so as not to leak
potential sensitive data between device apps.
 2022-10-24 11:52:52 +02:00
Daniel Lublin
1661ac20d4
tpt: correct and clarify ranges 2022-10-24 10:05:05 +02:00
Daniel Lublin
ecc2923387
Explain how we attain 18 MHz 2022-10-21 14:33:03 +02:00
Daniel Lublin
675fa1087f
Raise bps to 62500 2022-10-21 14:10:41 +02:00
Michael Cardell Widerkrantz
b8f1d4a083
Add make target secret, update quickstart 2022-10-20 17:02:56 +02:00
Daniel Lublin
65f2272a45
Add TRNG to testfw, document 2022-10-20 12:05:19 +02:00
Michael Cardell Widerkrantz
c52f7d52cd
testfw: Add timer tests 2022-10-20 11:34:01 +02:00
Joachim Strömbergson
19b75e71fe
Fix bit counter and simplify emtropy extraction 2022-10-19 13:10:26 +02:00
Joachim Strömbergson
20647fc486 Merge branch 'main' of github.com:tillitis/tillitis-key1 2022-10-19 09:39:23 +02:00
Joachim Strömbergson
c07c15a8b8
Update README to describe the new ROSC based TRNG 2022-10-19 09:37:58 +02:00
Michael Cardell Widerkrantz
cbe6d3db8d
Use the new firmware-only RAM for CDI computation 
To protect UDS we use a special firmware-only RAM for both the in
parameter to the blake2s() function and for the blake2s_ctx.
 2022-10-18 14:51:30 +02:00
Michael Cardell Widerkrantz
6d08a82c05
Pass the blake2s_ctx to blake2s() as arg 
Instead of allocating the blake2s_ctx in the blake2s() function we
pass it as a pointer as an argument to be able to better control where
the variable is in memory.
 2022-10-18 14:51:26 +02:00
Joachim Strömbergson
e0d68f3dae Merge branch 'main' of github.com:tillitis/tillitis-key1 2022-10-18 11:31:42 +02:00
Joachim Strömbergson
ddd969870e
Count from init values to one, not zero 2022-10-18 11:06:40 +02:00
Daniel Lublin
7129205cb0
Add fw_ram size to mem-include 2022-10-17 11:38:04 +02:00
Daniel Lublin
69c3f77e5e
testfw: tidy, clean-up, fmt 2022-10-17 11:15:26 +02:00
Joachim Strömbergson
f6046d55a9
Change ADDR_CTRL to be a pulsed start_stop signal 2022-10-14 08:50:30 +02:00
Joachim Strömbergson
c3f7c5fb06
Ignore the prescaler if prescaler init value is zero 2022-10-13 16:24:03 +02:00
Joachim Strömbergson
2be934ee22
Restore start and stop bits, but clarify in documenation 2022-10-13 16:10:08 +02:00
Joachim Strömbergson
00d180d34e
Change to a single run bit and update access control 2022-10-13 14:58:39 +02:00
Joachim Strömbergson
5e5550461f
Removing confusing negation in message 2022-10-13 13:56:12 +02:00
Joachim Strömbergson
1b03459ab3
Remove app-accessible debug register from mta1 core 2022-10-13 13:51:19 +02:00
Joachim Strömbergson
51a22dc32c Merge branch 'fw_ram' 2022-10-13 13:16:53 +02:00
Joachim Strömbergson
1f2a585aba
Add test case for fw_ram 2022-10-13 13:16:11 +02:00
Joachim Strömbergson
8e493b6322
Debug fw_ram and add fw_app_mode access control 2022-10-13 13:14:10 +02:00
Joachim Strömbergson
b37b377a7e
Change optimization to Os since we want compact code 2022-10-13 09:26:49 +02:00
Daniel Lublin
55c5081486
Adjust and document the firmware state-machine, including USS 
In particular, order of LOAD_USS and LOAD_APP_SIZE is not required, but
the need to send both is documented. This is followed up with adjustment
in the host programs' Go code, to try to reinforce this. LoadApp() will
take the secretPhrase parameter (to be hashed as USS), and loadUSS()
will be unexported.

Correct CMD/RSP lengths in pseudo-code.
 2022-10-12 15:12:07 +02:00
Joachim Strömbergson
5013338e50
Change to a more descriptive name 2022-10-12 11:14:46 +02:00
Joachim Strömbergson
192ce47fce
Fix #18 with incorrect clock frequency in analysis 2022-10-12 10:25:37 +02:00
Joachim Strömbergson
a9fd26da3b
Fix bit bit width mismatches 2022-10-12 10:21:50 +02:00
Joachim Strömbergson
6ce374cd97 Merge branch 'main' of github.com:tillitis/tillitis-key1 2022-10-12 10:08:16 +02:00
Joachim Strömbergson
82a64f2b2c
Remove DONE state that added one extra final cycle 2022-10-12 10:06:41 +02:00
Daniel Lublin
200ef26f36
Correct 2022-10-11 20:46:21 +02:00
Daniel Lublin
4d927ce426
Fix size_mismatch for testfw 2022-10-11 17:25:19 +02:00
Daniel Lublin
96746b2de0
Clarify BRAM_FW_SIZE 2022-10-11 17:25:00 +02:00
Joachim Strömbergson
cbf1104fed
Write whole byte, not nybbles 2022-10-11 17:05:21 +02:00
Joachim Strömbergson
a51619e5b7
Add fw_ram module 2022-10-11 16:58:26 +02:00
Joachim Strömbergson
24cf80af32
Remove redundant spram module 2022-10-11 13:27:57 +02:00
Joachim Strömbergson
7e0692b150
Replace FiGaRO based TRNG with new ROSC based TRNG 2022-10-11 13:17:04 +02:00
Joachim Strömbergson
af36a40f3e Merge branch 'new_trng' 2022-10-11 13:00:13 +02:00
Joachim Strömbergson
5087a67376
Reduce FW ROM size to 6 kByte 2022-10-11 12:54:44 +02:00
Joachim Strömbergson
4b929fedf2 Merge branch 'name_version' 2022-10-11 11:30:47 +02:00
Joachim Strömbergson
87dab3fe6d
Remove name, version addresses for cores 2022-10-11 09:55:56 +02:00
Joachim Strömbergson
3f44b999ac
Remove name, version from several cores 
timer
       touch_sense
       figaro
       uart
       uds
 2022-10-11 09:50:45 +02:00
Joachim Strömbergson
cdbe71d40d
Add new ROSC based TRNG with VN decorrelation 2022-10-11 08:45:06 +02:00
Joachim Strömbergson
4ed27b4460
Add new rosc based entropy source 2022-10-08 18:37:48 +02:00
Michael Cardell Widerkrantz
df7a26c28c
Compile firmware with -DNOCONSOLE 2022-10-07 11:19:53 +02:00
Joachim Strömbergson
c90771fe19
Remove API access to current prescaler value 2022-10-06 15:56:13 +02:00
Joachim Strömbergson
cc59d8dc93
Update verilator top level module to match rom module changes 2022-10-06 13:59:01 +02:00
Joachim Strömbergson
c35e7680ea
Squashed commit of the following: 
Silence lint on intentional combinatinal loops
    Use better instance names, and a single lint pragma for all macros
    Remove unused pointer update signals
    Silence lint on wires where not all bits are used
    Change fw_app_mode to be an input port to allow access control
    Remove redundant, unused wire mem_busy
    Add lint pragma to ignore debug register only enabled by a define
    Remove clk and reset_n ports from the ROM
    Adding note and lint pragma for rom address width
    Fix incorrect register widths in uart_core
    Assign all 16 bits in LUT config
    Silence lint warnings on macro instances
    Correct bit extraction for core addresses to be eight bits wide
    Correct the bit width of cdi_mem_we wire
    Add specific output file for logging lint issues
    Correct bit width of tmp_ready to match one bit ready port
 2022-10-06 13:23:30 +02:00
Daniel Lublin
2bb62af183
Update bit divisor calc in verilator's uart to our current 18 MHz 2022-10-03 13:11:53 +02:00
Joachim Strömbergson
6f31bbe37a Merge branch 'main' of github.com:tillitis/tillitis-key1 2022-10-03 12:56:41 +02:00
Joachim Strömbergson
b2ca3f2ea0
Fix Verilator sim by adding separate reset generator 2022-10-03 12:55:24 +02:00
Daniel Lublin
0d16dd5959
Adjust flashing after frequency bump 2022-10-03 08:06:29 +02:00
Daniel Lublin
3f61182a88
Doc how qemu needs to be built; nits 2022-09-30 11:34:09 +02:00
Joachim Strömbergson
1aa2d7bd95 Merge branch 'pll' 2022-09-30 10:06:48 +02:00
Joachim Strömbergson
f41573cc60
Update bit counter to match 18 MHz clock frequency 2022-09-30 10:04:37 +02:00
Joachim Strömbergson
90dc2da8c3
Merge pull request #5 from tillitis/kicad-links 
Fix broken links in kicad library readme
 2022-09-30 08:34:53 +02:00
Daniel Lublin
99efb78ed8
Receive USS and hash into CDI 
- We're OK with USS not being loaded, and use an all-zero USS if so.
- We require USS to be loaded before app_size (if at all).
 2022-09-29 14:58:23 +02:00
Daniel Lublin
df67966d8f
Be consistent and check for errors first 2022-09-28 10:34:48 +02:00
Joachim Strömbergson
f09ff87f9e
Support DIV instructions and catch illegal instructions 2022-09-28 10:29:00 +02:00
Joachim Strömbergson
90a57c4948
Use PLL and global buffer to increas clock speed 2022-09-27 16:41:38 +02:00
Joachim Strömbergson
610522201b
Remove AXI and WB interface modules 2022-09-27 09:48:54 +02:00
Daniel Lublin
10b7951933
Let verilator print when touched by kill -USR1 2022-09-21 11:25:13 +02:00
Daniel Lublin
8066c1092e
Make fmt output changes that will be made 2022-09-21 10:13:39 +02:00
Björn Töpel
2f59eaacdc Add default values to tpt.py 
Provide default values for vendor id, product id, revision number, and
serial number.
 2022-09-21 09:49:07 +02:00
Joachim Strömbergson
43ec0641c0
Change uss to ent to remove confusion 2022-09-21 09:38:44 +02:00
Daniel Lublin
40803993e1
Make synth.json depend on data/{uds,udi}.hex; revise docs 2022-09-20 16:37:04 +02:00
Matthew Mets
dc38b1309a Fix broken links in kicad library readme 2022-09-20 14:08:14 +02:00
Joachim Strömbergson
9d5e1c5ad5
Remove debug output of arguments 2022-09-19 12:37:27 +02:00
Joachim Strömbergson
3110d1218d
Silence lint re missing pins on cell instances 2022-09-19 10:35:49 +02:00
Joachim Strömbergson
715de60f4a Make initial public release 2022-09-19 08:51:11 +02:00