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add support for x0-x17 registers used by the SMC calls
In SMCCC v1.2 [1] arguments are passed in registers x1-x17.
Results are returned in x0-x17.
This work is inspired from the following kernel commit:
arm64: smccc: Add support for SMCCCv1.2 extended input/output registers
[1]: https://documentation-service.arm.com/static/5f8edaeff86e16515cdbe4c6?token=
Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
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This reverts commit d927d1a80843e1c3e2a3f0b8f6150790bef83da1, reversing
changes made to c07ad9520c6190070513016fdb495d4703a4a853.
These changes do not pass CI currently.
Signed-off-by: Tom Rini <trini@konsulko.com>
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add support for x0-x17 registers used by the SMC calls
In SMCCC v1.2 [1] arguments are passed in registers x1-x17.
Results are returned in x0-x17.
This work is inspired from the following kernel commit:
arm64: smccc: Add support for SMCCCv1.2 extended input/output registers
[1]: https://documentation-service.arm.com/static/5f8edaeff86e16515cdbe4c6?token=
Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
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We no longer have any i.MX27 platforms, remove the remaining support
code.
Signed-off-by: Tom Rini <trini@konsulko.com>
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This board has not been converted to CONFIG_DM by the deadline.
Remove it. As this is the last ARCH_MX25 platform, remove those
references as well.
Cc: Matthias Weisser <weisserm@arcor.de>
Cc: Stefano Babic <sbabic@denx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
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This board has not been converted to CONFIG_DM by the deadline.
Remove it. As this is the last mx35 platform, remove that support as
well.
Cc: Stefano Babic <sbabic@denx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Stefano Babic <sbabic@denx.de>
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When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.
In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.
This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.
Signed-off-by: Tom Rini <trini@konsulko.com>
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Adjust ARM SMC Calling Convention code for U-Boot:
- Replace the license block with SPDX
- Change path to asm-offsets.h
- Define UNWIND() as no-op
- Add Kconfig entry
- Add asm-offsets
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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This is still a non-generic board.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Matthias Weisser <weisserm@arcor.de>
Acked-by: Marek Vasut <marex@denx.de>
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U-Boot has supported two kinds of asm-offsets.h.
One is generic for all architectures and its source is located at
./lib/asm-offsets.c.
The other is SoC specific and its source is under SoC directory.
The problem here is that only boards with SoC directory can use
the asm-offsets infrastructure.
Putting asm-offsets.c right under CPU directory does not work.
Now a new demand is coming. PowerPC folks want to use asm-offsets.
But no PowerPC boards have SoC directory.
It seems inconsistent that some boards add asm-offsets.c to SoC
directoreis and some to CPU directories.
It looks more reasonable to put asm-offsets.c under arch/$(ARCH)/lib.
This commit merges asm-offsets.c under SoC directories into
arch/$(ARCH)/lib/asm-offsets.c.
By the way, I doubt the necessity of some entries in asm-offsets.c.
I am leaving refactoring to the board maintainers.
Please check "TODO" in the comment blocks in
arch/{arm,nds32}/lib/asm-offsets.c.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Yuantian Tang <Yuantian.Tang@freescale.com>
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