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* [PATCH v4 0/5] ARM: SMP: support Broadcom mobile SoCs
@ 2014-05-20 17:43 Alex Elder
  2014-05-20 17:43 ` [PATCH v4 1/5] devicetree: bindings: document Broadcom CPU enable method Alex Elder
                   ` (4 more replies)
  0 siblings, 5 replies; 14+ messages in thread
From: Alex Elder @ 2014-05-20 17:43 UTC (permalink / raw)
  To: mporter, bcm, linux, devicetree, arnd, sboyd
  Cc: bcm-kernel-feedback-list, linux-arm-kernel, linux-kernel,
	linux-doc, galak, ijc+devicetree, jason, lorenzo.pieralisi,
	mark.rutland, pawel.moll, rdunlap, rjui, robh+dt, rvaswani

[Trouble posting patches today.  I'm very sorry about the duplicates.]

This series adds SMP support for two Broadcom mobile SoC families.
It uses CPU_METHOD_OF_DECLARE() so that SMP operations are assigned
using device tree rather than adding it to a machine definition in a
board file.

The enable method starts a secondary core by writing to a register
monitored by CPUs spinning in a ROM-based holding pen loop.  The
address of this register is recorded as a property in the "cpus"
node of the device tree.

					-Alex

Note:
This series is based on v3.15-rc4, plus one more recently-posted patch:
    http://permalink.gmane.org/gmane.linux.kernel/1683693

History
v3: - Renamed "platsmp.c" to be "kona_smp.c".
    - Rebased onto v3.15-rc5
v3: - Dropped definition and use of CPU_METHOD_OF_DECLARE_SETUP()
    - Added documentation for "enable-method"
    - Rebased onto v3.15-rc4
v2: - Fixed a Makefile error (:= should have been +=)
    - No longer set CONFIG_NR_CPUS in bcm_defconfig
    - Rebased onto v3.15-rc1

This series is available here:
    http://git.linaro.org/landing-teams/working/broadcom/kernel.git
    Branch review/bcm-smp-v4

Alex Elder (5):
  devicetree: bindings: document Broadcom CPU enable method
  ARM: add SMP support for Broadcom mobile SoCs
  ARM: configs: enable SMP in bcm_defconfig
  ARM: dts: enable SMP support for bcm28155
  ARM: dts: enable SMP support for bcm21664

 Documentation/devicetree/bindings/arm/cpus.txt |  12 ++
 arch/arm/boot/dts/bcm11351.dtsi                |  19 +++
 arch/arm/boot/dts/bcm21664.dtsi                |  19 +++
 arch/arm/configs/bcm_defconfig                 |   1 +
 arch/arm/mach-bcm/Kconfig                      |  18 ++-
 arch/arm/mach-bcm/Makefile                     |   3 +
 arch/arm/mach-bcm/kona_smp.c                   | 202 +++++++++++++++++++++++++
 7 files changed, 271 insertions(+), 3 deletions(-)
 create mode 100644 arch/arm/mach-bcm/kona_smp.c

-- 
1.9.1


^ permalink raw reply	[flat|nested] 14+ messages in thread
* [PATCH v4 0/5] ARM: SMP: support Broadcom mobile SoCs
@ 2014-05-20 17:40 Alex Elder
  2014-05-20 17:40 ` [PATCH v4 2/5] ARM: add SMP support for " Alex Elder
  0 siblings, 1 reply; 14+ messages in thread
From: Alex Elder @ 2014-05-20 17:40 UTC (permalink / raw)
  To: mporter, bcm, linux, devicetree, arnd, sboyd
  Cc: bcm-kernel-feedback-list, linux-arm-kernel, linux-kernel,
	linux-doc, galak, ijc+devicetree, jason, lorenzo.pieralisi,
	mark.rutland, pawel.moll, rdunlap, rjui, robh+dt, rvaswani

This series adds SMP support for two Broadcom mobile SoC families.
It uses CPU_METHOD_OF_DECLARE() so that SMP operations are assigned
using device tree rather than adding it to a machine definition in a
board file.

The enable method starts a secondary core by writing to a register
monitored by CPUs spinning in a ROM-based holding pen loop.  The
address of this register is recorded as a property in the "cpus"
node of the device tree.

					-Alex

Note:
This series is based on v3.15-rc4, plus one more recently-posted patch:
    http://permalink.gmane.org/gmane.linux.kernel/1683693

History
v3: - Renamed "platsmp.c" to be "kona_smp.c".
    - Rebased onto v3.15-rc5
v3: - Dropped definition and use of CPU_METHOD_OF_DECLARE_SETUP()
    - Added documentation for "enable-method"
    - Rebased onto v3.15-rc4
v2: - Fixed a Makefile error (:= should have been +=)
    - No longer set CONFIG_NR_CPUS in bcm_defconfig
    - Rebased onto v3.15-rc1

This series is available here:
    http://git.linaro.org/landing-teams/working/broadcom/kernel.git
    Branch review/bcm-smp-v4

Alex Elder (5):
  devicetree: bindings: document Broadcom CPU enable method
  ARM: add SMP support for Broadcom mobile SoCs
  ARM: configs: enable SMP in bcm_defconfig
  ARM: dts: enable SMP support for bcm28155
  ARM: dts: enable SMP support for bcm21664

 Documentation/devicetree/bindings/arm/cpus.txt |  12 ++
 arch/arm/boot/dts/bcm11351.dtsi                |  19 +++
 arch/arm/boot/dts/bcm21664.dtsi                |  19 +++
 arch/arm/configs/bcm_defconfig                 |   1 +
 arch/arm/mach-bcm/Kconfig                      |  18 ++-
 arch/arm/mach-bcm/Makefile                     |   3 +
 arch/arm/mach-bcm/kona_smp.c                   | 202 +++++++++++++++++++++++++
 7 files changed, 271 insertions(+), 3 deletions(-)
 create mode 100644 arch/arm/mach-bcm/kona_smp.c

-- 
1.9.1


^ permalink raw reply	[flat|nested] 14+ messages in thread

end of thread, other threads:[~2014-05-28 13:58 UTC | newest]

Thread overview: 14+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-05-20 17:43 [PATCH v4 0/5] ARM: SMP: support Broadcom mobile SoCs Alex Elder
2014-05-20 17:43 ` [PATCH v4 1/5] devicetree: bindings: document Broadcom CPU enable method Alex Elder
2014-05-27 11:49   ` Lorenzo Pieralisi
2014-05-27 13:43     ` Alex Elder
2014-05-28  3:30     ` Alex Elder
2014-05-28 10:36       ` Lorenzo Pieralisi
2014-05-28 12:22         ` Alex Elder
2014-05-28 13:34           ` Lorenzo Pieralisi
     [not found]             ` <20140528133428.GB29219-7AyDDHkRsp3ZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org>
2014-05-28 13:58               ` Alex Elder
     [not found] ` <1400607830-10989-1-git-send-email-elder-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2014-05-20 17:43   ` [PATCH v4 2/5] ARM: add SMP support for Broadcom mobile SoCs Alex Elder
2014-05-20 17:43 ` [PATCH v4 3/5] ARM: configs: enable SMP in bcm_defconfig Alex Elder
2014-05-20 17:43 ` [PATCH v4 4/5] ARM: dts: enable SMP support for bcm28155 Alex Elder
2014-05-20 17:43 ` [PATCH v4 5/5] ARM: dts: enable SMP support for bcm21664 Alex Elder
  -- strict thread matches above, loose matches on Subject: below --
2014-05-20 17:40 [PATCH v4 0/5] ARM: SMP: support Broadcom mobile SoCs Alex Elder
2014-05-20 17:40 ` [PATCH v4 2/5] ARM: add SMP support for " Alex Elder

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