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picorv32
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28 Commits

Author SHA1 Message Date
Claire Xen 1d9f5b7678
Merge pull request #166 from tommythorn/master 
Enable the use of 64-bit riscv tools
 2021-12-06 16:10:29 +01:00
Claire Xen 6b1397700f
Merge pull request #173 from tonymmm1/hx8kdemo-nextpnr 
changed hx8kdemo from arachne-pnr to nextpnr-ice40
 2021-12-06 16:09:28 +01:00
Trammell Hudson eeca10190b picosoc: enable fast multiply option for icebreaker 
This patch splits the picosoc's `ENABLE_MULDIV` paramter
into `ENABLE_MUL`, `ENABLE_DIV` and `ENABLE_FAST_MUL`,
and also enables the DSP-based fast multiplier for
the iCE40up5k icebreaker board.

Signed-off-by: Trammell Hudson <hudson@trmm.net>
 2021-09-02 16:35:38 +00:00
tonymmm1 8588576692 changed hx8kdemo from arachne-pnr to nextpnr-ice40 2020-08-09 20:58:19 -05:00
Tommy Thorn 2cce6f4e8b Enable the use of 64-bit riscv tools 
Many Linux distributions now include the tools for RISC-V (for example
Ubuntu 20.04 has gcc-riscv64-unknown-elf) but in order for

  make TOOLCHAIN_PREFIX=riscv64-unknown-elf-

to work we need to be explicit about compiling for 32-bit.
 2020-06-03 09:27:30 -07:00
René Rebe 1e24e99970 added CROSS prefix and CFLAGS to the picsoc/Makefile 
so one can run it with other toolchains, e.g.
CROSS=riscv64-t2-linux-gnu- CFLAGS=-mabi=ilp32, too
 2019-11-14 12:31:20 +01:00
Chris Clark 7ac4102fc4 fix typo in picosoc/Makefile for hx8k board 2019-03-01 19:57:22 -05:00
Steffen Vogel eb64df6c3e picosoc: use preprocessor for generating target-specific linker script 2019-02-11 23:44:47 +01:00
Steffen Vogel d21937bafc picosoc: increase available memory by using SPRAM instead of BRAM for the Icebreaker example 2019-02-11 23:13:05 +01:00
Jörg Mische cb766a3757 Fix PicoSoC firmware filename for simulation 2018-10-01 14:00:21 +02:00
matt venn fabb3eaf70 fix firmware recipes 2018-08-30 22:27:34 +02:00
Clifford Wolf 68c69136b9 Add icebreaker example PicoSoC implementation 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-19 13:38:59 +02:00
Clifford Wolf 1afe3af452 Add PicoSoC IceBreaker demo 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-18 20:17:21 +02:00
Clifford Wolf b3f292a988 Improve picosoc demo firmware, picosoc firmware build fixes 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-08-14 13:49:08 +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 65f32c38db Fix picosoc hx8kdemo_tb 2017-11-11 19:49:01 +01:00
Clifford Wolf ad08edd2e5 Add PICORV32_REGS mechanism for ASIC sram instantiation 2017-10-01 15:45:46 +02:00
Clifford Wolf 694b9390fd Enable a bunch of PicoRV32 features in PicoSoC 2017-09-22 04:52:44 +02:00
Clifford Wolf ae0e5a6c94 Remove generic PicoSoC testbench 2017-09-21 19:45:41 +02:00
Clifford Wolf 2cc1256ce7 Improve PicoSoC demo firmware 2017-09-18 00:43:38 +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 cfd4933272 Switch PicoSoC firmware to C 2017-09-15 15:35:44 +02:00
Clifford Wolf 66638dcee0 Improve picosoc firmware build process 2017-09-15 15:33:20 +02:00
Clifford Wolf 99f0cafd19 Add simple UART to PicoSoC 2017-08-11 19:30:53 +02:00
Clifford Wolf febb4b1318 Improve and cleanup picosoc firmware 2017-08-11 16:15:07 +02:00
Clifford Wolf 8821696748 Major rewrite of picosoc spimemio core 2017-08-07 22:36:58 +02:00
Clifford Wolf db2222ec02 Refactor picosoc code 2017-08-07 15:13:27 +02:00
Clifford Wolf caef4e3753 Rename "spiflash" example to "picosoc" 2017-08-07 13:38:07 +02:00