- SMP support for BG2 and BG2Q
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Merge tag 'berlin-soc-3.17-1' of git://git.infradead.org/users/hesselba/linux-berlin into next/soc
Merge "Berlin SoC changes for v3.17" from Sebastian Hesselbarth:
- SMP support for BG2 and BG2Q
* tag 'berlin-soc-3.17-1' of git://git.infradead.org/users/hesselba/linux-berlin:
ARM: berlin: add SMP support
Signed-off-by: Olof Johansson <olof@lixom.net>
The System Type menu is getting quite long with platforms and is
inconsistent in handling of sub-arch specific options. Tidy up the menu
by making platform options a menuconfig entry containing any platform
specific config items.
[arnd: change OMAP part according to suggestion from
Tony Lindgren <tony@atomide.com>]
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Adds SMP support for Berlin SoCs. Secondary CPUs are reset, then
execute the instruction we put in the reset exception register, setting
the pc at the address contained in the software reset address register,
which is the physical address of the Berlin secondary startup.
This implementation avoid using the pen lock mechanism.
Signed-off-by: Antoine Ténart <antoine.tenart@free-electrons.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
The BG2Q has GPIOs driven by the dwapb GPIO driver. Add the LIBGPIO as a
dependency to be able to support them.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Reviewed-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Now that we start supporting the Marvell Berlin BG2Q, add a symbol allowing to
differentiate that SoC from the other SoCs of the Berlin family.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
All V7 platforms can run SMP kernels, so make CONFIG_SMP visible for V7
multi-platform builds.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Multi-platform requires various kconfig options to be selected, so
platforms don't need to select them individually.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
This adds initial support for the Marvell Berlin SoC family with
Armada 1500 (88DE3100) and Armada 1500-mini (88DE3005) SoCs.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Jason Cooper <jason@lakedaemon.net>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
