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13 Commits (75a6faf617d107bdbc74d36ccf89f2280b96ac26)

Author SHA1 Message Date
Thomas Gleixner 75a6faf617 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 422
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms and conditions of the gnu general public license
  version 2 as published by the free software foundation

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 101 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531190113.822954939@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:37:15 +02:00
Yunzhi Li d2057bbb79 ARM: hisi: Fix typo in comment
The machine code "0xe51ff004" means "ldr pc, [pc, #-4]".
This patch fixed the comment typo to avoid any confusion.

Signed-off-by: Yunzhi Li <yunzhi.li@deephi.tech>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
2017-08-16 10:40:46 +01:00
Florian Fainelli 64fc2a947a ARM: 8641/1: treewide: Replace uses of virt_to_phys with __pa_symbol
All low-level PM/SMP code using virt_to_phys() should actually use
__pa_symbol() against kernel symbols. Update code where relevant to move
away from virt_to_phys().

Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2017-02-28 11:06:10 +00:00
Ben Dooks 09ca62f5d7 ARM: hisi: make unexported symbols static
The two functions hix5hd2_set_scu_boot_addr() and
hip01_set_boot_addr() are not declared or exported
outside arch/arm/mach-hisi/platsmp.c file. Avoid
the following warnings by making them static:

arch/arm/mach-hisi/platsmp.c:142:6: warning: symbol 'hip01_set_boot_addr' was not declared. Should it be static?
arch/arm/mach-hisi/platsmp.c:106:6: warning: symbol 'hix5hd2_set_scu_boot_addr' was not declared. Should it be static?

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
2016-06-28 16:23:47 +01:00
Masahiro Yamada 75305275a7 ARM: use const and __initconst for smp_operations
These smp_operations structures are not over-written, so add "const"
qualifier and replace __initdata with __initconst.

Also, add "static" where it is possible.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Moritz Fischer <moritz.fischer@ettus.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org> # qcom part
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Wei Xu <xuwei5@hisilicon.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-12-01 22:17:45 +01:00
Masahiro Yamada 635e958dad ARM: hisi: do not export smp_operations structures
These three structures are only defined and referenced in
mach-hisi/platsmp.c.

Drop the declarations from the header and add static qualifier
to the definitions.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Wei Xu <xuwei5@hisilicon.com>
2015-12-01 22:17:13 +01:00
Russell King 02b4e2756e ARM: v7 setup function should invalidate L1 cache
All ARMv5 and older CPUs invalidate their caches in the early assembly
setup function, prior to enabling the MMU.  This is because the L1
cache should not contain any data relevant to the execution of the
kernel at this point; all data should have been flushed out to memory.

This requirement should also be true for ARMv6 and ARMv7 CPUs - indeed,
these typically do not search their caches when caching is disabled (as
it needs to be when the MMU is disabled) so this change should be safe.

ARMv7 allows there to be CPUs which search their caches while caching is
disabled, and it's permitted that the cache is uninitialised at boot;
for these, the architecture reference manual requires that an
implementation specific code sequence is used immediately after reset
to ensure that the cache is placed into a sane state.  Such
functionality is definitely outside the remit of the Linux kernel, and
must be done by the SoC's firmware before _any_ CPU gets to the Linux
kernel.

Changing the data cache clean+invalidate to a mere invalidate allows us
to get rid of a lot of platform specific hacks around this issue for
their secondary CPU bringup paths - some of which were buggy.

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Tested-by: Thierry Reding <treding@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Tested-by: Wei Xu <xuwei5@hisilicon.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-06-01 11:30:26 +01:00
Wang Long 7fda91e731 ARM: hisi: enable smp for HiP01
Enable smp for HiP01 board.

Signed-off-by: Wang Long <long.wanglong@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
[olof: split off the dts change to a separate commit]
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 14:33:39 -08:00
Wang Long 29d189e139 ARM: hisi: rename secondary_startup function
As hix5hd2 and hip01 has the same secondary_startup
so rename hix5hd2_secondary_startup to
to hisi_secondary_startup.

the hip01 will use hisi_secondary_startup for the
secondary core boot.

Signed-off-by: Wang Long <long.wanglong@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 14:33:01 -08:00
Wang Long e243f94392 ARM: hisi: rename smp_prepares_cpus function
As hix5hd2 and hip01 has the same .smp_prepare_cpus
in struct smp_operations, so rename hix5hd2_smp_prepare_cpus
to hisi_common_smp_prepare_cpus.

the hip01 will use hisi_common_smp_prepare_cpus in its
struct smp_operations.

Signed-off-by: Wang Long <long.wanglong@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-21 14:32:53 -08:00
Haojian Zhuang c2fff85e21 ARM: hisi: remove smp from machine descriptor
Use CPU_METHOD_OF_DECLARE() instead. And declare smp method in dts file.

Changelog:
v6:
  * Use hisilicon,hi3620-smp as enable-method property in Hi3620 dts.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Wei Xu <xuwei5@hisilicon.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-30 22:32:21 -07:00
Haifeng Yan 06cc5c1d4d ARM: hisi: enable hix5hd2 SoC
Enable support for the Hisilicon HiX5HD2 SoC. This HiX5HD2 SoC series
support both single and dual Cortex-A9 cores.

Add ARCH_HIX5HD2 to distinguish HiX5HD2 from Hi3xxx.

They are different in implementation such as SMP, IPs integarted and
earlycon configure.

Signed-off-by: Haifeng Yan <yanhaifeng@gmail.com>
Signed-off-by: Jiancheng Xue <jchxue@gmail.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Wei Xu <xuwei5@hisilicon.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2014-07-30 22:32:20 -07:00
Haojian Zhuang 389ee0c2ff ARM: hisi: rename hi3xxx to hisi
Since some new Hisilicon SoCs are not named as hi3xxx, rename mach-hi3xxx
to mach-hisi instead. And the pronounciation of "hisi" is similar to the
chinese pronounciation of Hisilicon. So Hisilicon guys like this name.

ARCH_HI3xxx will be renamed later since other drivers are using it and
they are still in linux-next git tree. So rename ARCH_HI3xxx later.

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-12-20 08:23:01 -08:00