2108c97b9b
Import PicoRV32-specific instruction macros.
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These come from the PicoRV32 repo and are released under the public
domain [1].
[1] - 70f3c33ac8/firmware/custom_ops.S
2018-01-22 18:50:26 +00:00
cf74c781f4
Write init files that respect CPU's endianness.
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This is required for PicoRV32 support. We also drive-by enable
explicit specification of run= in Builder.build() by callers.
2018-01-22 18:50:26 +00:00
7176492231
Set the MABI and MArch of the riscv target.
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Again, this should be tunable, and synchronized with the core settings.
2018-01-22 18:50:26 +00:00
7ea5a26734
Enable hardware multiplier and divider in PicoRV32
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This should become tunable later once we can configure whether we link
in the soft mul library or not.
2018-01-22 18:50:26 +00:00
75e230aae7
Replace __riscv__ macros with __riscv.
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The __riscv__ form is deprecated [1].
[1] - https://github.com/riscv/riscv-toolchain-conventions#cc-preprocessor-definitions
2018-01-22 18:50:26 +00:00
20ed23443b
Export trap signal from PicoRV32.
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This is useful for handling crashes from hardware.
2018-01-22 18:50:26 +00:00
b0be563012
Bump PicoRV32 version.
2018-01-22 18:50:26 +00:00
3a5f93db5d
software/bios: add litex logo
2018-01-19 18:41:13 +01:00
d6877300c2
Merge pull request #56 from cr1901/mimasv2
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Add mimasv2 platform (pulled from litex-buildenv).
2018-01-19 17:59:47 +01:00
c553fe2bf3
Add mimasv2 platform (pulled from litex-buildenv).
2018-01-19 06:16:04 -05:00
d6f2f63794
Merge pull request #53 from mithro/allow-forcing-colorama
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Support forcing colorama colors on.
2018-01-18 16:33:02 +11:00
ead88ed66d
Support forcing colorama colors on.
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This is needed if you want colors but are using pipes and similar.
2018-01-18 14:41:45 +11:00
fcc22350fb
Merge pull request #52 from ewen-naos-nz/tftp-alt-port
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BIOS: Support alternate TFTP server port
2018-01-18 13:40:28 +11:00
5ce8ca8e9b
BIOS: TFTP: try UDP/69 if specified port fails
2018-01-18 13:10:28 +11:00
cb31266500
BIOS: set TFTP_SERVER_PORT from enviroment
2018-01-18 13:09:34 +11:00
97f381baa6
BIOS: allow BIOS to specify TFTP server port
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Swaps hard coded PORT_OUT in tftp.c for parameter on the tftp_get()
and tftp_put() functions. Allow TFTP_SERVER_PORT used by BIOS to be
set at compile time from compiler defines.
2018-01-18 12:03:35 +11:00
e06bb3724b
Merge pull request #51 from felixheld/liteeth-untangling
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Include the ethernet related header files conditionally
2018-01-16 21:37:24 +01:00
21ad435def
Include the ethernet related header files conditionally
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Only including those header files in the litex firmware is the first step to
move the firmware parts of liteeth to the liteeth tree.
2018-01-16 14:33:49 +11:00
ab1146e1b0
Merge pull request #49 from mithro/fix-uart-override
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soc_core: Don't fail if name is the same.
2018-01-13 19:12:50 +11:00
3d40ad0a82
soc_core: Don't fail if name is the same.
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Otherwise you can't override the UART with another UART, you get an
error like;
```
File "/home/tansell/github/timvideos/HDMI2USB-litex-firmware/third_party/litex/litex/soc/integration/soc_core.py", line 176, in __init__
interrupt, mod_name, interrupt_rmap[interrupt]))
AssertionError: Interrupt vector conflict for IRQ 2, user defined uart conflicts with SoC inbuilt uart
```
2018-01-13 19:10:57 +11:00
bebaef1e25
Merge pull request #48 from mithro/fix-constants
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cpu_interface: Fix indenting on constant generation.
2018-01-13 19:07:04 +11:00
f6f73cf13c
cpu_interface: Fix indenting on constant generation.
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This was preventing constants from getting added to the csr.h header
file.
2018-01-13 19:05:26 +11:00
d37cf226d6
Merge pull request #47 from felixheld/indentation-fixes
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Fix all remaining indentation issues in python code
2018-01-13 13:29:29 +11:00
6318a2b29a
Fix all remaining indentation issues in python code
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I ran a script that shouldn't have missed any tab in the python source files.
2018-01-13 13:19:36 +11:00
782711e5a9
bios/sdram: make read leveling robust for KUS SDRAM
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Increases the initial delay step into the valid read window as
with the original delay I was not getting out of the noisy
transition window, as evidenced by seeing read delay windows
of only 8 LSB ~10% of the time, leading to failing memory
tests
2018-01-12 19:23:08 +01:00
5c95c8ead0
Merge pull request #44 from felixheld/nexys_video-dram-fix
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Fix DDR3 on nexys_video
2018-01-12 14:08:03 +11:00
c2c622691c
Merge pull request #45 from felixheld/arty-ddr3-fix
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fix DDR3 on arty
2018-01-12 14:07:32 +11:00
9eb1beea04
fix DDR3 on arty
2018-01-12 13:54:10 +11:00
4a3454107a
fix DDR3 on nexys_video
2018-01-12 13:33:13 +11:00
7b6ba372c8
Merge pull request #43 from felixheld/programmer-error-fix
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fix the unsupported programmer case for kc705 and minispartan6
2018-01-11 08:21:46 +01:00
23585385c0
fix the unsupported programmer case for kc705 and minispartan6
2018-01-11 18:15:11 +11:00
b2beec267b
Merge pull request #42 from felixheld/requirements-fix
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add pyserial to the package requirements
2018-01-11 17:46:21 +11:00
99cf4d9f26
add pyserial to the package requirements
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litex_term requires pyserial
2018-01-11 17:43:16 +11:00
10000eb607
build/xilinx/vivado: only generate constraints that are not empty
2018-01-08 17:03:19 +01:00
5681a3c1a9
bios/sdram: revert capability to do manual read leveling since still needed with some targets
2018-01-08 12:04:33 +01:00
03eb137449
bios/sdram: fix data error reporting
2018-01-08 11:43:49 +01:00
22ff745027
bump year
2018-01-08 11:43:13 +01:00
ee6b33e9d3
build: add Inverted property to IOs to ease inverting signals and propagate property to cores
2018-01-06 01:33:02 +01:00
621aaf6988
soc/integration/soc_core: avoid removing uart interrupts (break some designs)
2017-12-30 18:41:49 +01:00
377af99678
Merge pull request #40 from mithro/or1k-linux
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cpu: Adding "variant" support.
2017-12-30 11:19:12 +01:00
f8a07c5d3c
Merge pull request #41 from cr1901/python-3.6
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fhdl/tracer: Import Python 3.5/3.6 version guards from Migen.
2017-12-30 11:17:41 +01:00
ff0ad9a622
fhdl/tracer: Import Python 3.5/3.6 version guards from Migen.
2017-12-29 19:56:52 -05:00
44650dffd8
cpu: Adding "variant" support.
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It is useful to support slightly different variants of the CPU
configurations. This adds a "cpu_variant" option.
For the mor1k we now have the default mor1k configuration and the
"linux" variant which enables the features needed for Linux support on
the mor1k.
Currently there are no variants for the lm32, but we will likely add a
"tiny" variant for usage on the iCE40.
2017-12-30 01:18:51 +01:00
2cc6a3036c
Merge pull request #39 from mithro/master
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Wait longer before giving up on the 2nd tftp block.
2017-12-29 23:57:42 +01:00
bbd15ca567
Wait longer before giving up on the 2nd tftp block.
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Previously we would wait the same number of iterations as it took us to
receive the first data block after sending the request. When using the
build in tftp server in qemu, the first wait loop succeeds (and thus
breaks when 'i' is still 0.
Since the counter was never reset between the first and second data
block, under qemu the tftp_get call would fail before ever checking if
we have received the second block of data.
Now that we initialise 'i' to 12M, we ensure that we wait the same
amount of time for the second data block as it previously did for the
third (and subsequent) blocks.
2017-12-29 23:56:32 +01:00
0a2d38ecd2
bios/sdram: use same initialization procedure for artix7 than kintex7 excepting write leveling that is not done
2017-12-29 17:13:58 +01:00
b78a4760bb
soc/integration/builder: don't build bios is user is providing rom data
2017-12-28 22:42:58 +01:00
5d98a60e6e
Merge pull request #38 from cr1901/mercury
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Add Mercury baseboard support from Migen, import fixes.
2017-12-27 17:52:37 +01:00
9adcc3a8b9
Merge pull request #37 from bunnie/add_tracelength
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Add tracelength report generation by default to help with board layout
2017-12-27 15:44:41 +01:00
282f22f09e
Add tracelength report generation by default to help with board layout
2017-12-27 22:40:39 +08:00
Sergiusz Bazanski
Florent Kermarrec
William D. Jones
Tim Ansell
Ewen McNeill
Felix Held
Chris Ballance
Tim 'mithro' Ansell
Greg Darke
bunnie