summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-shmobile/headsmp.S
Commit message (Collapse)AuthorAgeFilesLines
* ARM: shmobile: Add SMP boot function and argumentMagnus Damm2013-06-171-3/+10
| | | | | | | | | | Add code for mach-shmobile to allow specifying boot function and argument. Will initially be used for SMP together with SCU but may in the future also be used for deep sleep resume. This patch removes one inline virtual to physical address conversion. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
* arm: Add v7_invalidate_l1 to cache-v7.SDinh Nguyen2013-02-111-48/+0
| | | | | | | | | | | | | | | | | | | | | | mach-socfpga is another platform that needs to use v7_invalidate_l1 to bringup additional cores. There was a comment that the ideal place for v7_invalidate_l1 should be in arm/mm/cache-v7.S Signed-off-by: Dinh Nguyen <dinguyen@altera.com> Acked-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Pavel Machek <pavel@denx.de> Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Tested-by: Pavel Machek <pavel@denx.de> Tested-by: Stephen Warren <swarren@nvidia.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Russell King <linux@arm.linux.org.uk> Cc: Olof Johansson <olof@lixom.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Rob Herring <rob.herring@calxeda.com> Cc: Sascha Hauer <kernel@pengutronix.de> Cc: Magnus Damm <magnus.damm@gmail.com> Signed-off-by: Olof Johansson <olof@lixom.net>
* ARM / mach-shmobile: Invalidate caches when booting secondary coresMagnus Damm2012-05-121-1/+55
| | | | | | | | | | | | Make sure L1 caches are invalidated when booting secondary cores. Needed to boot all mach-shmobile SMP systems that are using Cortex-A9 including sh73a0, r8a7779 and EMEV2. Thanks to imx and tegra guys for actual code. Signed-off-by: Magnus Damm <damm@opensource.se> Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
* ARM: mach-shmobile: Fix headsmp.S code to use CPUINITMagnus Damm2012-01-091-1/+1
| | | | | | | | | | | | | | | Convert the low level SMP assembly code for SH-Mobile ARM from using the INIT to the CPUINIT section. This unbreaks onlining of CPUs using the CPU hotplug interface: echo 1 > /sys/devices/system/cpu/cpu1/online Without this fix the reset vector code used by CPU hotplug will be freed as init section data and CPU cores cannot be brought online. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* ARM: mach-shmobile: headsmp.S build fixMagnus Damm2011-05-241-1/+1
| | | | | | | | | | | | | | | | Git commit f4117ac9e237b74afdf5e001d5ea26a4d15e9847 introduced PLAT_PHYS_OFFSET, but headsmp.S was left unchanged which results in a compile error: AS arch/arm/mach-shmobile/headsmp.o arch/arm/mach-shmobile/headsmp.S: Assembler messages: arch/arm/mach-shmobile/headsmp.S:27: Error: undefined symbol `secondary_startup' in operation arch/arm/mach-shmobile/headsmp.S:27: Error: undefined symbol `PHYS_OFFSET' in operation make[1]: *** [arch/arm/mach-shmobile/headsmp.o] Error 1 make[1]: *** Waiting for unfinished jobs.... Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* ARM: mach-shmobile: Clean up headsmp.SMagnus Damm2010-12-211-1/+2
| | | | | | | | Use PAGE_OFFSET and PHYS_OFFSET for secondary_startup entry point as recommended by Russell King. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* ARM: mach-shmobile: SMP base supportMagnus Damm2010-12-141-0/+26
Add SMP base support for R-Mobile / SH-Mobile processors. This patch contains all base code to support CONFIG_SMP regardless of ARCH_SHMOBILE processor type. Both local timer and CPU hotplug are supported, but no processor specific code is included. At this point only the default behavior is in place, so a single core will always be used even though CONFIG_SMP is enabled on multicore systems. The SMP Kconfig entry for arch/arm/Kconfig is excluded from this patch to simplify merging. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
OpenPOWER on IntegriCloud