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513 Commits

Author SHA1 Message Date
Olof Kindgren c9470e3e04 spiflash: Allow setting firmware from plusarg 2018-05-15 09:53:33 +02:00
Clifford Wolf ad95e88e11
Merge pull request #63 from olofk/fix-spiflash_tb 
Fix spiflash_tb
 2018-05-12 15:29:16 +02:00
Olof Kindgren d26e505251 Fix spiflash_tb 
Update expected two first Flash words to reflect changes in start.s

Add dummy SPI cycles to account for latency
 2018-05-11 22:56:52 +02:00
Larry Doolittle 8b32bc5bd6 Fix miscellaneous typos in documentation 2018-04-17 17:53:08 +02:00
Miodrag Milanovic 9300a510c5 Created lfs file (section mappint) and init for data and bss sections 2018-04-16 20:04:01 +02:00
Clifford Wolf a1f22a6d9c
Merge pull request #59 from tinyfpga/master 
add .data and .bss segments to picosoc
 2018-04-08 13:36:55 +02:00
Luke Valenty a0d5f8efd7
add .data and .bss segments to picosoc 
added .data and .bss segments to picosoc firmware linker script so that static variables may be used.
 2018-04-07 18:42:59 -07:00
Clifford Wolf f52f36762e Update riscv-gnu-toolchain to 1b80cbe 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-04-03 20:14:17 +02:00
Clifford Wolf f9d4a5dc0c
Merge pull request #56 from olofk/fusesoc 
Verilator testbench and FuseSoC support
 2018-03-05 17:27:21 +01:00
Olof Kindgren 6c5579b490 Add FuseSoC core file 2018-03-04 21:22:03 +01:00
Olof Kindgren 70ea50e60d Add verilator testbench 2018-03-04 21:20:29 +01:00
Clifford Wolf 2ba76e0311
Merge pull request #54 from thoughtpolice/misc-fixes 
Small fixes to the IceStorm scripts
 2018-02-16 12:03:50 +01:00
Austin Seipp 77a6b2dd26 scripts/icestorm: use 'yosys-config' to find data directory 
This fixes the icestorm script to query yosys-config itself for the
right data directory. Not only does this fix installs where yosys was
not installed into /usr/local, it also ensures Icarus picks up a data
directory consistent with the version of yosys that you're using.

Signed-off-by: Austin Seipp <aseipp@pobox.com>
 2018-02-14 16:54:47 -06:00
Austin Seipp 2260d2ab8a scripts: remove old -m32 argument to riscv-gcc 
See also 55da6c7cd1

Signed-off-by: Austin Seipp <aseipp@pobox.com>
 2018-02-14 16:54:47 -06:00
Clifford Wolf a9e0ea54cf
Merge pull request #52 from olofk/testbench_wb_fixes 
Testbench wb fixes
 2017-12-31 14:46:15 +01:00
Olof Kindgren f1949e9bf1 testbench_wb: Add proper attribution for wb_ram module 2017-12-27 20:38:19 +01:00
Olof Kindgren 0495ce8b5a testbench_wb: Load firmware with plusarg instead of parameter 2017-12-27 20:32:33 +01:00
Clifford Wolf df01132185 Update riscv-gnu-toolchain to bf5697a 2017-11-19 01:54:56 +00:00
Clifford Wolf 65f32c38db Fix picosoc hx8kdemo_tb 2017-11-11 19:49:01 +01:00
Clifford Wolf dda7db273d Add missing "volatile" to "asm" statements 2017-10-30 11:22:54 +01:00
Clifford Wolf 31588b871e Update evaluation results to Vivado 2017.3 2017-10-21 02:54:19 +02:00
Clifford Wolf d9d5220071 Update riscv-gnu-toolchain to git rev e9f5458 2017-10-19 17:18:47 +02:00
Clifford Wolf ed69f9e451 Update riscv-formal altops bitmasks 2017-10-07 01:24:59 +02:00
Clifford Wolf 7b6aa21f34 Fix bug in picorv32_pcpi_div, Add RISCV_FORMAL_ALTOPS support 2017-10-06 17:33:44 +02:00
Clifford Wolf ad08edd2e5 Add PICORV32_REGS mechanism for ASIC sram instantiation 2017-10-01 15:45:46 +02:00
Clifford Wolf 500db14e44 Improve PicoSoC overview.svg 2017-09-22 05:09:03 +02:00
Clifford Wolf 694b9390fd Enable a bunch of PicoRV32 features in PicoSoC 2017-09-22 04:52:44 +02:00
Clifford Wolf 1c889ee3b5 Silenced some warnings when ENABLE_MUL but not ENABLE_PCPI 2017-09-22 04:50:48 +02:00
Clifford Wolf 9e5903fbbe Update PicoSoC README 2017-09-21 19:58:55 +02:00
Clifford Wolf ae0e5a6c94 Remove generic PicoSoC testbench 2017-09-21 19:45:41 +02:00
Clifford Wolf 8b5f2aeff3 Merge branch 'master' of github.com:cliffordwolf/picorv32 2017-09-21 19:37:12 +02:00
Clifford Wolf 29b1d0d7de Resize overview.svg 2017-09-21 19:37:04 +02:00
Clifford Wolf 1c66c76c0e Update README.md 2017-09-21 19:35:29 +02:00
Clifford Wolf 211d0e9c98 Add picosoc overview.svg 2017-09-21 19:32:30 +02:00
Clifford Wolf ebc4d1c4a1 Update README.md 2017-09-21 18:53:54 +02:00
Clifford Wolf 45bd9b81ea Improve picosoc performance.{py,png} 2017-09-21 18:46:09 +02:00
Clifford Wolf 0c9dce7bc2 Add picosoc performance.{py,png} 2017-09-21 18:40:38 +02:00
Clifford Wolf 559cd8db78 Improve PicoSoC example firmware 2017-09-21 16:00:19 +02:00
Clifford Wolf c06ba38113 Add PicoSoC spimem Dual I/O support 2017-09-21 15:50:50 +02:00
Clifford Wolf c00811e8e4 Improve PicoSoC example firmware 2017-09-20 23:53:53 +02:00
Clifford Wolf dea9b88249 Fix bug in PicoSoC spimemio 2017-09-20 23:44:16 +02:00
Clifford Wolf 51436b1c50 PicoSoC QSPI DDR progress 2017-09-20 20:17:27 +02:00
Clifford Wolf 7639e6ebac PicoSoC QSPI and XIP now working (tested in hardware) 2017-09-19 15:32:41 +02:00
Clifford Wolf 2cc1256ce7 Improve PicoSoC demo firmware 2017-09-18 00:43:38 +02:00
Clifford Wolf 506cda5ee6 Update picosoc README.md 2017-09-16 22:40:53 +02:00
Clifford Wolf dabebeb008 Improve PicoSoC demo firmware (read flash ID is working now) 2017-09-16 22:08:05 +02:00
Clifford Wolf 76124b8649 Removed UB from picosoc demo firmware 2017-09-15 19:55:22 +02:00
Clifford Wolf 1c8266869a Merge branch 'picosoc' 2017-09-15 16:31:37 +02:00
Clifford Wolf 797c21e95c Improve PicoSoC demo firmware 2017-09-15 16:28:19 +02:00
Clifford Wolf cfd4933272 Switch PicoSoC firmware to C 2017-09-15 15:35:44 +02:00