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48 Commits

Author SHA1 Message Date
Sean Cross 4b6ad47705 sw: spi-gpio: remove unused files 
These were moved into spi.c to allow them to be inlined.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-06 11:04:43 +08:00
Sean Cross 91a23d808c sw: Makefile: fix third_party and package naming 
With these changes, litex mode should now work.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-06 10:51:08 +08:00
Sean Cross a9a5f0cc0d sw: minor removal of unused code 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-06 09:35:50 +08:00
Sean Cross d6ae51f69b sw: ld: add support for litex build 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-06 09:35:23 +08:00
Sean Cross 2437e8b5c1 sw: Makefile: support litex build environment 
Allow this software package to be built from within the Litex build system.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-06 09:34:26 +08:00
Sean Cross b40a9bad43 rgb: fix typo in macro 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-05 18:17:11 +08:00
Sean Cross b5f17acdf6 sw: enable fancy led effects 
Support different LED patterns depending on the mode.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-05 18:10:05 +08:00
Sean Cross fd76536351 usb-dev: reboot to image 0 
Since this is a failsafe bootloader, reboot to Image 0.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-05 17:33:28 +08:00
Sean Cross eaa0d63ccb usb-epfifo: fix DATA0/DATA1 swaps for Tx 
We were sometimes sending DATA0 instead of DATA1.  Fix that.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-05 17:33:02 +08:00
Sean Cross 7d091a72b9 main: poll dfu in main loop 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-05 15:10:19 +08:00
Sean Cross 7bcc8529d6 dfu: initial working commit 
This commit actually works, but still has a few issues.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-05 15:09:52 +08:00
Sean Cross ac349ce1a1 spi: support 32- and 64-kB erase blocks 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-05 15:09:04 +08:00
Sean Cross cbf4958236 usb-epfifo: remove extra USB_NAK setting 
This works around an issue, though it's still not properly working.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-05 13:21:09 +08:00
Sean Cross 2b0575889f usb-dev: remove commented-out printf statements 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-05 13:20:54 +08:00
Sean Cross c92af747cd spi: actually transmit data 
We were sending data on CS, not on CLK.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-05 13:19:46 +08:00
Sean Cross d72925fdeb sw: experimental improved dfu performance 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-03 22:11:31 +08:00
Sean Cross 85b6d75882 sw: update to latest generated files 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-02 18:11:25 +08:00
Sean Cross dbc0f81715 usb: re-enable extra usb descriptors 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-02 18:11:09 +08:00
Sean Cross 851e54e70c main: initialize rgb driver 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-02 18:10:56 +08:00
Sean Cross 85bdc7991c rgb: add initial rgb code 
It initializes the rgb driver, and can write to its registers.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-02 18:10:17 +08:00
Sean Cross a3c05bd19e sw: system: add reset key to reboot() 
Add the key `0xac` to the reset command, to prevent accidental resets.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-02 16:40:09 +08:00
Sean Cross 33aec0876b sw: usb-epfifo: disable usb events before disconnect 
If we don't disconnect the usb event system, then we will lock up
in an irq storm.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-02 16:39:13 +08:00
Sean Cross 0a4c73a63a sw: wip commit -- dfu state machine works, spi broken 
Need to fix SPI and SB_WARMBOOT, but the DFU state machine now works.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-28 11:13:25 +08:00
Sean Cross a3298226e5 sw: getting dfu working about to add debug bridge 
We're having issues getteing DFU working.  It almost works, but has some
issues.  Unfortunately, we're out of space for printf.

Now we will work to get the UART Wishbone bridge working, to move
forward on debugging support.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-26 09:39:55 +08:00
Sean Cross b0afd2b0ae sw: puts: don't eat first character 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-25 18:59:57 +08:00
Sean Cross 3d6acaf51e sw: wip commit -- getting dfu working 
Now that we have SPI and USB both working, we can start to close the
loop and get DFU working.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-25 17:39:06 +08:00
Sean Cross 7210ee219d sw: add div/mul instructions 
For foboot, we're using a CPU without a divide or multiply instruction,
to save gates.  Replace these with software implementations.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-21 11:01:46 +08:00
Sean Cross 2139317530 sw: include: sync csr.h and mem.h 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-20 13:14:57 +08:00
Sean Cross dd9cdfa7a3 sw: usb-epfifo: make buffer pointers static 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-20 13:14:20 +08:00
Sean Cross 03327067ff sw: add spi base 
This is taken from fomu-flash, and needs to be adapted.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-20 11:23:19 +08:00
Sean Cross ff4774ebc3 sw: usb-epfifo: fixups to remove errors in enumeration 
With these fixups, we can now enumerate successfully.

The code is a mess, but this is the first functionally-correct build.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-11 11:51:19 +08:00
Sean Cross 9909b3bbdb sw: usb-desc: set product name to "Fomu Bootloader" 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-11 11:50:55 +08:00
Sean Cross f5fd282d61 sw: usb-dev: remove errant `i++` 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-10 22:46:02 +08:00
Sean Cross d64f88d995 sw: usb-epfifo: mostly-working commit 
Still has issues with large reads.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-10 22:42:14 +08:00
Sean Cross c180c1b1b8 sw: usb-epfifo: increase packet size to 64 bytes 
This masks some problems we're seeing.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-10 22:41:22 +08:00
Sean Cross a552d1eb91 usb-dev: limit the size of outgoing packets 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-10 22:40:52 +08:00
Sean Cross 69f7b5d836 csr: replace with latest generated version 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-10 20:53:30 +08:00
Sean Cross c98017cbc9 client: working on the client 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-10 15:25:33 +08:00
Sean Cross 3df59a866d metastable fix: wip 
Trying to figure out what's causing this problem.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-05 20:28:54 +08:00
Sean Cross c0842737bf sw: usb-unififo: add code to test usb RX 
This just reads SOF packets and validates they're correct.  This ensures
that bitstuffing is good.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-05 15:50:36 +08:00
Sean Cross ce071dac67 sw: main: remove usb_sync() call 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-05 15:50:08 +08:00
Sean Cross 7f30d7f79b sw: Makefile: hardcode project name to "foboot" 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-05 15:49:21 +08:00
Sean Cross 380a4f1fa2 sw: unififo: print out SOF frames, to ensure link integrity 
Print out the SOF frames so that we can make sure the Rx path is good.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-05 14:52:42 +08:00
Sean Cross c78e9ab214 sw: add missing include files 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-05 12:02:02 +08:00
Sean Cross ffd0285613 main: more work on fixing stuff 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-05 11:54:48 +08:00
Sean Cross 1c38c58a6f Merge branch 'master' of git.xobs.io:xobs/foboot 2019-03-05 09:18:20 +08:00
Sean Cross e4af98b4aa generated: update generated csr, mem, and ld files 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-05 09:05:29 +08:00
Sean Cross 84d4b40897 foboot: move software stuff to sw directory 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-05 08:54:51 +08:00