57 commits

Author	SHA1	Message	Date
Eddie Hung	e17f3f8c63	Consistency	2020-01-17 16:06:20 -08:00
Eddie Hung	4985318263	ice40_dsp: add default values for parameters	2020-01-17 15:37:52 -08:00
Eddie Hung	6692e5d558	ice40_dsp: tolerant of fanout-less outputs, as well as all-zero inputs	2020-01-17 15:28:02 -08:00
Eddie Hung	cd8a640989	Reject if (* init *) present	2019-09-25 18:21:08 -07:00
Eddie Hung	486dd7c483	unextend only used in init	2019-09-25 14:05:59 -07:00
Eddie Hung	53817b8575	Use new port/param overload in pmg	2019-09-20 14:21:22 -07:00
Eddie Hung	1b892ca1be	Cleanup ice40_dsp.pmg	2019-09-20 12:03:45 -07:00
Eddie Hung	a0d3ecf8c6	Small cleanup	2019-09-20 08:41:28 -07:00
Eddie Hung	8cfcaf108e	Disable support for SB_MAC16 reset since it is async	2019-09-19 22:48:57 -07:00
Eddie Hung	a59f80834f	SB_MAC16 ffCD to not pack same as ffO	2019-09-19 22:39:47 -07:00
Eddie Hung	8a94ce7aa5	Add an index	2019-09-19 20:04:44 -07:00
Eddie Hung	307b2dc8e5	Revert index to select	2019-09-19 14:46:53 -07:00
Eddie Hung	1a0f7ed09c	Refactor ce{mux,pol} -> hold{mux,pol}	2019-09-19 14:27:25 -07:00
Eddie Hung	429c9852ce	Add HOLD/RST support for SB_MAC16	2019-09-19 14:02:55 -07:00
Eddie Hung	2766465a2b	Add support for SB_MAC16 CD and H registers	2019-09-19 12:14:33 -07:00
Eddie Hung	c8310a6e76	Refactor ice40_dsp.pmg	2019-09-19 12:00:48 -07:00
Eddie Hung	da8fe83f7a	Tidy up ice40_dsp some more	2019-09-06 12:16:40 -07:00
Eddie Hung	dc10559f31	Cleanup	2019-09-05 21:39:52 -07:00
Eddie Hung	5a2fc6fcb5	Refactor ice40_dsp	2019-09-05 18:06:59 -07:00
Eddie Hung	888ae1d05e	Fix broken ice40_dsp	2019-09-05 17:58:19 -07:00
Eddie Hung	2983a35dc0	Update comment	2019-08-30 15:00:40 -07:00
Eddie Hung	4cc74346f1	Fix compile error	2019-08-20 20:27:05 -07:00
Eddie Hung	b7a48e3e0f	Merge remote-tracking branch 'origin/master' into xc7dsp	2019-08-20 20:18:17 -07:00
Clifford Wolf	eb80d3d43f	Change pmgen default rule to reject, switch peepopt behavior to accept ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-08-15 22:47:59 +02:00
Eddie Hung	96ee7b9cf7	Simplify	2019-08-15 12:30:46 -07:00
Eddie Hung	27d5df9467	ffH -> ffFJKG	2019-08-15 12:19:34 -07:00
Eddie Hung	aad97168b0	Fixes for reverting SigSpec helper functions	2019-08-14 10:22:33 -07:00
Eddie Hung	1b0e68db94	Revert changes to RTLIL::SigSpec methods	2019-08-13 17:09:28 -07:00
Eddie Hung	3dd3ab98c2	Improve ice40_dsp for non-fully-32-bit adders	2019-08-09 17:23:12 -07:00
Eddie Hung	dfc878deb4	Another filter -> if	2019-08-09 16:23:32 -07:00
Eddie Hung	e83f231927	Cleanup	2019-08-09 15:47:40 -07:00
Eddie Hung	a002eba14a	Fix check	2019-08-09 14:27:08 -07:00
Eddie Hung	82cbfada1b	Revert "Fix typo" ... This reverts commit e3c39cc450.	2019-08-09 14:14:28 -07:00
Eddie Hung	2c0be7aa5d	Rework ice40_dsp to map to SB_MAC16 earlier, and check before packing	2019-08-08 12:56:05 -07:00
Eddie Hung	d90b8b081a	Do not SigSpec::extract() beyond bounds	2019-08-07 13:58:26 -07:00
Eddie Hung	cdf9c80134	Do not pack registers if (* keep *)	2019-08-07 12:57:10 -07:00
Eddie Hung	c39b1a6fcf	Add comment about supporting $dffe in ice40_dsp	2019-08-01 15:13:18 -07:00
Eddie Hung	e19d33b003	Cope with sign extension in mul2dsp	2019-08-01 12:44:56 -07:00
Eddie Hung	e3c39cc450	Fix typo	2019-08-01 10:00:01 -07:00
Eddie Hung	a37574ccbf	Fix muxAB logic	2019-07-23 14:52:14 -07:00
Eddie Hung	dc0c853abe	Simplify and fix for MACs	2019-07-23 14:20:34 -07:00
Eddie Hung	4f11ff8ebd	Fix typo	2019-07-23 13:58:56 -07:00
Eddie Hung	068617f094	Pack hi and lo registers separately	2019-07-22 16:12:57 -07:00
Eddie Hung	4d71ab384d	Rename according to vendor doc TN1295	2019-07-22 15:08:26 -07:00
Eddie Hung	304cefbbe2	Pack Y register	2019-07-22 15:05:16 -07:00
Eddie Hung	5a14b6e1f6	Pack adders not just accumulators	2019-07-22 13:01:49 -07:00
Eddie Hung	e0720a8018	Restore old ffY behaviour	2019-07-19 22:47:08 -07:00
Eddie Hung	f9d08a5e5e	Cleanup	2019-07-19 20:25:28 -07:00
Eddie Hung	9ad11ea2cc	Fine tune ice40_dsp.pmg, add support for packing subsets of registers	2019-07-19 10:57:32 -07:00
Eddie Hung	09411dd996	ice40_dsp to accept $__MUL16X16 too	2019-07-18 15:38:28 -07:00