From: "Sascha Hauer" <s.hauer@pengutronix.de>
To: clement.leger@linux.dev
Cc: barebox@lists.infradead.org,
"Clément Léger" <clement.leger@linux.dev>,
"Ahmad Fatoum" <a.fatoum@barebox.org>
Subject: Re: [PATCH 0/5] kvx: remove architecture support
Date: Mon, 26 Oct 2026 10:01:16 +0000 [thread overview]
Message-ID: <e96c0979-ba2d-4c32-abc4-58cfefe1aff1@pengutronix.de> (raw)
In-Reply-To: <20261023200507.63716-1-clement.leger@linux.dev>
Hi Clement,
On 2026-10-23 22:05, clement.leger wrote:
> From: Clément Léger <clement.leger@linux.dev>
>
> The barebox kvx port was upstreamed in the hope it was the first one
> of a long series of other contributions (GCC, Linux, etc).
> Unfortunately, the kvx architecture remained closed and there was no
> public specification nor upstreamed compiler. Additionally, there are
> no users outside of the company itself and there is not possible to
> obtain a board with such SoC. Latest modifications of the architecture
> also made it non compatible with this architecture.
>
> As discussed during LPC, there is no point in keeping this
> architecture since it is unmaintained and slows down the effort to get
> Rust support on barebox. Remove the whole architecture support and
> drivers as well.
That's really a pity. I was quite happy to have such an early barebox
support for a new architecture. Given what you say here it makes sense
to drop that support, so I'll apply this being sad about it.
Anyway, thanks for your contributions so far.
Sascha
>
> Clément Léger (5):
> drivers: soc: remove KVX support
> drivers: clocksource: remove KVX timer
> drivers: nvmem: remove KVX OTP support
> drivers: watchdog: remove KVX watchdog
> arch: kvx: remove support
>
> .github/workflows/build-defconfigs.yml | 2 +-
> Documentation/boards/kvx.rst | 98 -
> Documentation/gen_magicvars.py | 19 -
> Documentation/user/barebox.rst | 1 -
> arch/kvx/Kbuild | 5 -
> arch/kvx/Kconfig | 67 -
> arch/kvx/Kconfig.debug | 2 -
> arch/kvx/Makefile | 36 -
> arch/kvx/configs/generic_defconfig | 14 -
> arch/kvx/cpu/Makefile | 7 -
> arch/kvx/cpu/barebox.lds.S | 88 -
> arch/kvx/cpu/cpu.c | 32 -
> arch/kvx/cpu/exception.S | 35 -
> arch/kvx/cpu/reset.c | 68 -
> arch/kvx/cpu/start.S | 198 -
> arch/kvx/dts/Makefile | 7 -
> arch/kvx/dts/k200.dts | 111 -
> arch/kvx/include/asm/barebox.lds.h | 6 -
> arch/kvx/include/asm/barrier.h | 20 -
> arch/kvx/include/asm/bitops.h | 27 -
> arch/kvx/include/asm/bitsperlong.h | 12 -
> arch/kvx/include/asm/byteorder.h | 12 -
> arch/kvx/include/asm/cache.h | 34 -
> arch/kvx/include/asm/common.h | 28 -
> arch/kvx/include/asm/dma.h | 30 -
> arch/kvx/include/asm/elf.h | 21 -
> arch/kvx/include/asm/ftu.h | 24 -
> arch/kvx/include/asm/io.h | 14 -
> arch/kvx/include/asm/linkage.h | 10 -
> arch/kvx/include/asm/mmu.h | 8 -
> arch/kvx/include/asm/posix_types.h | 12 -
> arch/kvx/include/asm/privilege.h | 244 --
> arch/kvx/include/asm/sections.h | 12 -
> arch/kvx/include/asm/setjmp.h | 17 -
> arch/kvx/include/asm/sfr.h | 51 -
> arch/kvx/include/asm/sfr_defs.h | 17 -
> arch/kvx/include/asm/string.h | 14 -
> arch/kvx/include/asm/swab.h | 14 -
> arch/kvx/include/asm/sys_arch.h | 49 -
> arch/kvx/include/asm/types.h | 14 -
> arch/kvx/include/asm/unaligned.h | 17 -
> arch/kvx/include/asm/v1/sfr_defs.h | 5027 ----------------------
> arch/kvx/include/asm/v2/sfr_defs.h | 5389 ------------------------
> arch/kvx/include/asm/word-at-a-time.h | 2 -
> arch/kvx/lib/Makefile | 6 -
> arch/kvx/lib/asm-offsets.c | 11 -
> arch/kvx/lib/board.c | 159 -
> arch/kvx/lib/bootm.c | 172 -
> arch/kvx/lib/cache.c | 25 -
> arch/kvx/lib/cpuinfo.c | 20 -
> arch/kvx/lib/dma-default.c | 61 -
> arch/kvx/lib/dtb.c | 14 -
> arch/kvx/lib/poweroff.c | 56 -
> arch/kvx/lib/setjmp.S | 85 -
> arch/kvx/um/Makefile | 4 -
> drivers/clocksource/Kconfig | 4 -
> drivers/clocksource/Makefile | 1 -
> drivers/clocksource/kvx_timer.c | 60 -
> drivers/nvmem/Kconfig | 7 -
> drivers/nvmem/Makefile | 3 -
> drivers/nvmem/kvx-otp-nv.c | 95 -
> drivers/of/Kconfig | 2 +-
> drivers/soc/Kconfig | 1 -
> drivers/soc/Makefile | 1 -
> drivers/soc/kvx/Kconfig | 10 -
> drivers/soc/kvx/Makefile | 1 -
> drivers/soc/kvx/kvx_socinfo.c | 178 -
> drivers/watchdog/Kconfig | 17 -
> drivers/watchdog/Makefile | 1 -
> drivers/watchdog/kvx_wdt.c | 109 -
> test/Containerfile | 7 -
> test/kvx/generic_defconfig.yaml | 17 -
> 72 files changed, 2 insertions(+), 13040 deletions(-)
> delete mode 100644 Documentation/boards/kvx.rst
> delete mode 100644 arch/kvx/Kbuild
> delete mode 100644 arch/kvx/Kconfig
> delete mode 100644 arch/kvx/Kconfig.debug
> delete mode 100644 arch/kvx/Makefile
> delete mode 100644 arch/kvx/configs/generic_defconfig
> delete mode 100644 arch/kvx/cpu/Makefile
> delete mode 100644 arch/kvx/cpu/barebox.lds.S
> delete mode 100644 arch/kvx/cpu/cpu.c
> delete mode 100644 arch/kvx/cpu/exception.S
> delete mode 100644 arch/kvx/cpu/reset.c
> delete mode 100644 arch/kvx/cpu/start.S
> delete mode 100644 arch/kvx/dts/Makefile
> delete mode 100644 arch/kvx/dts/k200.dts
> delete mode 100644 arch/kvx/include/asm/barebox.lds.h
> delete mode 100644 arch/kvx/include/asm/barrier.h
> delete mode 100644 arch/kvx/include/asm/bitops.h
> delete mode 100644 arch/kvx/include/asm/bitsperlong.h
> delete mode 100644 arch/kvx/include/asm/byteorder.h
> delete mode 100644 arch/kvx/include/asm/cache.h
> delete mode 100644 arch/kvx/include/asm/common.h
> delete mode 100644 arch/kvx/include/asm/dma.h
> delete mode 100644 arch/kvx/include/asm/elf.h
> delete mode 100644 arch/kvx/include/asm/ftu.h
> delete mode 100644 arch/kvx/include/asm/io.h
> delete mode 100644 arch/kvx/include/asm/linkage.h
> delete mode 100644 arch/kvx/include/asm/mmu.h
> delete mode 100644 arch/kvx/include/asm/posix_types.h
> delete mode 100644 arch/kvx/include/asm/privilege.h
> delete mode 100644 arch/kvx/include/asm/sections.h
> delete mode 100644 arch/kvx/include/asm/setjmp.h
> delete mode 100644 arch/kvx/include/asm/sfr.h
> delete mode 100644 arch/kvx/include/asm/sfr_defs.h
> delete mode 100644 arch/kvx/include/asm/string.h
> delete mode 100644 arch/kvx/include/asm/swab.h
> delete mode 100644 arch/kvx/include/asm/sys_arch.h
> delete mode 100644 arch/kvx/include/asm/types.h
> delete mode 100644 arch/kvx/include/asm/unaligned.h
> delete mode 100644 arch/kvx/include/asm/v1/sfr_defs.h
> delete mode 100644 arch/kvx/include/asm/v2/sfr_defs.h
> delete mode 100644 arch/kvx/include/asm/word-at-a-time.h
> delete mode 100644 arch/kvx/lib/Makefile
> delete mode 100644 arch/kvx/lib/asm-offsets.c
> delete mode 100644 arch/kvx/lib/board.c
> delete mode 100644 arch/kvx/lib/bootm.c
> delete mode 100644 arch/kvx/lib/cache.c
> delete mode 100644 arch/kvx/lib/cpuinfo.c
> delete mode 100644 arch/kvx/lib/dma-default.c
> delete mode 100644 arch/kvx/lib/dtb.c
> delete mode 100644 arch/kvx/lib/poweroff.c
> delete mode 100644 arch/kvx/lib/setjmp.S
> delete mode 100644 arch/kvx/um/Makefile
> delete mode 100644 drivers/clocksource/kvx_timer.c
> delete mode 100644 drivers/nvmem/kvx-otp-nv.c
> delete mode 100644 drivers/soc/kvx/Kconfig
> delete mode 100644 drivers/soc/kvx/Makefile
> delete mode 100644 drivers/soc/kvx/kvx_socinfo.c
> delete mode 100644 drivers/watchdog/kvx_wdt.c
> delete mode 100644 test/kvx/generic_defconfig.yaml
>
> --
> 2.55.0
>
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
next prev parent reply other threads:[~2026-10-26 10:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-23 20:05 clement.leger
2026-10-23 20:05 ` [PATCH 1/5] drivers: soc: remove KVX support clement.leger
2026-10-23 20:05 ` [PATCH 2/5] drivers: clocksource: remove KVX timer clement.leger
2026-10-23 20:05 ` [PATCH 3/5] drivers: nvmem: remove KVX OTP support clement.leger
2026-10-23 20:05 ` [PATCH 4/5] drivers: watchdog: remove KVX watchdog clement.leger
2026-10-26 10:01 ` Sascha Hauer [this message]
2026-10-26 15:28 ` [PATCH 0/5] kvx: remove architecture support Clement Leger
2026-10-26 10:01 ` Sascha Hauer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=e96c0979-ba2d-4c32-abc4-58cfefe1aff1@pengutronix.de \
--to=s.hauer@pengutronix.de \
--cc=a.fatoum@barebox.org \
--cc=barebox@lists.infradead.org \
--cc=clement.leger@linux.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox