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232 Commits 25 Branches 14 Tags 31 MiB
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122 Commits

Author SHA1 Message Date
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