Commit Graph

3 Commits

Author SHA1 Message Date
Tim Newsome 274be9587f
Fix flashing HiFive Unleashed (#402)
* Align algorithm stack to XLEN.

This fixes algorithm timeout on RV64 targets.
Also improve debug information in various places.

Change-Id: Id3121f9c6e753c6a7e14da511e4de0587a6f7b4d

* Compile 32-bit RISC-V algorithms for RV32E.

Change-Id: I33a698c0c6ba540de29fa0459242c72a67b0cbaa

* Remove debug code.

Change-Id: I37c966ce0f2d1fe68cd6ae0724d19ae95ebaf51b

* Dump start of gdb packets escaping non-printable.

Change-Id: Ie5f36b5c9041bfc0e5aa9543f0afe2c4810c2915

* Propagate flash programming errors.

Change-Id: I0c938ce7a1062bcc93426538cbc82424000f37b7

* Improve debug messaging.

Change-Id: I47ac3518f3b241986c677824864102936100adf6

* Add debug output to flash image.

This is helpful when you're debugging the flash algorithm itself, and a
nop when running it through OpenOCD.

Change-Id: Id44c6498c288872cc2cec79044116ac38198c572

* Make timeout depend on how much data is written.

Change-Id: I819efa04cd6f6bd6664afd5c53cc7a8a5c84f54e

* Fix issi erase commands.

This is required to flash HiFive Unleashed.

Change-Id: I33e4869d1d05ca8a1df6136bccf11afda61bfe10

* Fix running algorithm on multicore `-rtos riscv`.

The bug was that poll() might change the currently selected hart, and in
that case we'd access registers on that other hart after the algorithm
is finished.

Change-Id: I140431898285cf471b372139cef2378ab4879377

* Make fespi flash algorithm debugging optional.

Also add a scheme that allows you to see the stack trace of where a
failure occurred if debugging is enabled.

Change-Id: Ia9a3a9a941ceba0f8ff6b47da5a8643e5f84b252
2019-09-09 12:01:17 -07:00
Tim Newsome c5dee66a71
Redo fespi flash algorithm (#384)
* WIP, rewrite of flash algorithm.

Just put all the flashing logic into the algorithm, instead of using an
intermediate format. This should reduce total data written while
flashing by about 9%, and also makes the code much simpler.

Change-Id: I807e60c8ab4f9f376cceaecdbbd10a2326be1c79

* New algorithm works.

Speeds up Arty flashing another 9%.

wrote 2228224 bytes from file /media/sf_tnewsome/SiFive/arty_images/arty.E21TraceFPGAEvaluationConfig.mcs in 86.784538s (25.074 KiB/s)
verified 2192012 bytes in 6.693336s (319.816 KiB/s)
8.66user 13.03system 1:33.91elapsed 23%CPU (0avgtext+0avgdata 12272maxresident)k

Change-Id: Ie55c5250d667251be141cb32b144bbcf3713fce4

* Fix whitespace.

Change-Id: I338d518fa11a108efb530ffe75a2030619457a0b

* Don't reserve so much stack space.

Also properly check XLEN in riscv_wrapper.S.

Change-Id: Ifa0301f3ea80f648fb8a6d6b6c8bf39f386fe4a6
2019-07-09 10:05:07 -07:00
Tim Newsome 31ea7037b3 Add flash support for SiFive's Freedom E platforms
Valgrind and Clang Static Analyzer have no complaints about this change.

Change-Id: I7757615ec52448372bdc57729cdf97c7016d97e8
Signed-off-by: Tim Newsome <tim@sifive.com>
Reviewed-on: http://openocd.zylin.com/4656
Tested-by: jenkins
Reviewed-by: Philipp Guehring <pg@futureware.at>
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
2019-01-11 19:50:09 +00:00