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* ARM: vexpress: allow dcscb and tc2_pm in a combined ARMv6+v7 buildNicolas Pitre2013-09-091-0/+2
| | | | | | | | | | | | | | | | | This fixes the following build error: /tmp/cce439dZ.s: Assembler messages: /tmp/cce439dZ.s:506: Error: selected processor does not support ARM mode `isb ' /tmp/cce439dZ.s:512: Error: selected processor does not support ARM mode `isb ' /tmp/cce439dZ.s:513: Error: selected processor does not support ARM mode `dsb ' /tmp/cce439dZ.s:583: Error: selected processor does not support ARM mode `isb ' /tmp/cce439dZ.s:589: Error: selected processor does not support ARM mode `isb ' /tmp/cce439dZ.s:590: Error: selected processor does not support ARM mode `dsb ' Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Nicolas Pitre <nico@linaro.org> Tested-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net>
* ARM: vexpress/TC2: basic PM supportNicolas Pitre2013-08-071-0/+1
| | | | | | | | | | | | This is the MCPM backend for the Virtual Express A15x2 A7x3 CoreTile aka TC2. This provides cluster management for SMP secondary boot and CPU hotplug. Signed-off-by: Nicolas Pitre <nico@linaro.org> Acked-by: Pawel Moll <pawel.moll@arm.com> Reviewed-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> [PM: made it drive SCC registers directly and provide base for SPC] Signed-off-by: Pawel Moll <pawel.moll@arm.com>
* ARM: vexpress/dcscb: handle platform coherency exit/setup and CCIDave Martin2013-05-291-1/+1
| | | | | | | | | | | | | | | | | Add the required code to properly handle race free platform coherency exit to the DCSCB power down method. The power_up_setup callback is used to enable the CCI interface for the cluster being brought up. This must be done in assembly before the kernel environment is entered. Thanks to Achin Gupta and Nicolas Pitre for their help and contributions. Signed-off-by: Dave Martin <dave.martin@linaro.org> Signed-off-by: Nicolas Pitre <nico@linaro.org> Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Pawel Moll <pawel.moll@arm.com>
* ARM: vexpress: introduce DCSCB supportNicolas Pitre2013-05-291-0/+1
| | | | | | | | | | | | This adds basic CPU and cluster reset controls on RTSM for the A15x4-A7x4 model configuration using the Dual Cluster System Configuration Block (DCSCB). The cache coherency interconnect (CCI) is not handled yet. Signed-off-by: Nicolas Pitre <nico@linaro.org> Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Pawel Moll <pawel.moll@arm.com>
* arm: vexpress: Move the poweroff/restart code to drivers/power/resetCatalin Marinas2013-03-211-1/+1
| | | | | | | | This patch moves the arch/arm/mach-vexpress/reset.c functionality to drivers/platform/reset/ and adds the necessary Kconfig wiring. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Pawel Moll <pawel.moll@arm.com>
* ARM: vexpress: Start using new Versatile Express infrastructurePawel Moll2012-11-051-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch starts using all the configuration infrastructure. - generic GPIO library is forced now - sysreg GPIOs are used as MMC CD and WP information sources; thanks to this MMCI auxiliary data is not longer necessary - DVI muxer and mode control is removed from non-DT V2P-CA9 code as this is now handled by the vexpress-dvi driver - clock generators control is removed as is being handled by the common clock driver now - the sysreg and sysctl control is now delegated to the appropriate drivers and all related code was removed - NOR Flash set_vpp function has been removed as the control bit used does _not_ control its VPP line, but the #WP signal instead (which is de facto unusable in case of Linux MTD drivers); this also allowed the remove its DT auxiliary data The non-DT code defines only minimal required number of the config devices. Device Trees are updated to make use of all new features. Signed-off-by: Pawel Moll <pawel.moll@arm.com>
* ARM: vexpress: convert to multi-platformRob Herring2012-09-141-0/+2
| | | | | | | | Convert vexpress to multi-platform. This always enables vexpress DT and makes it the default v7 platform. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Pawel Moll <pawel.moll@arm.com>
* ARM: realview/vexpress: consolidate SMP bringup codeRussell King2011-02-191-1/+1
| | | | | | | | Realview and Versatile Express share the same SMP bringup code, so consolidate the two implementations. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* ARM: realview/vexpress: consolidate localtimer supportRussell King2011-02-191-1/+0
| | | | | | | | Realview and Versatile Express local timer support is identical, so consolidate the implementations. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* ARM: CPU hotplug: add Versatile Express hotplug CPU supportRussell King2010-12-201-0/+1
| | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* ARM: Add Versatile Express SMP supportRussell King2010-05-021-0/+2
| | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* ARM: Add Versatile Express CA9x4 processor supportRussell King2010-05-021-0/+1
| | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* ARM: Add Versatile Express supportRussell King2010-05-021-0/+5
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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