Commit Graph

4 Commits

Author SHA1 Message Date
Marc Gonzalez
a30eceb7a5 ARM: tango: add Suspend-to-RAM support
Ask firmware to put RAM in self-refresh mode and power system down.

    echo mem > /sys/power/state

See Documentation/power/states.txt

Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-07-07 16:09:30 +02:00
Marc Gonzalez
d6bd05794f ARM: tango: Fix UP build issues
Move SMP setup to platsmp.c for consistency with other platforms.

Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2016-01-07 06:33:41 +01:00
Arnd Bergmann
765ff22d54 ARM: tango: pass ARM arch level for smc.S
allmodconfig is broken by the addition of the -mcpu=cortex-a9
flag for smc.S:

arch/arm/mach-tango/smc.S:1:0: warning: switch -mcpu=cortex-a9 conflicts with -march=armv6k switch

This sets the flag in the same way that all other platforms
do, to fix the compile error.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-12-31 17:48:32 +01:00
Marc Gonzalez
d6de5b0294 ARM: tango4: Initial platform support
Support Sigma Designs ARM-based (specifically, Cortex-A9 MPCore r3p0)
Tango4 "Secure Media Processor" platforms: smp8756, smp8758, smp8759
(8756 is single-core, the latter are dual-core).

Note: 8758 vs 8759: same chip, different package.

Support for older MIPS-based platforms can be found elsewhere:
https://github.com/mansr/linux-tangox

Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-12-22 15:10:31 -08:00