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Date: Mon, 1 Sep 2014 22:57:38 +0800
From: Hanjun Guo <hanjun.guo@...aro.org>
To: Catalin Marinas <catalin.marinas@....com>,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Mark Rutland <mark.rutland@....com>,
Olof Johansson <olof@...om.net>,
Grant Likely <grant.likely@...aro.org>
Cc: Graeme Gregory <graeme.gregory@...aro.org>,
Arnd Bergmann <arnd@...db.de>,
Sudeep Holla <Sudeep.Holla@....com>,
Will Deacon <will.deacon@....com>,
Jason Cooper <jason@...edaemon.net>,
Marc Zyngier <marc.zyngier@....com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>,
Robert Richter <rric@...nel.org>,
Lv Zheng <lv.zheng@...el.com>,
Robert Moore <robert.moore@...el.com>,
Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
Liviu Dudau <Liviu.Dudau@....com>,
Randy Dunlap <rdunlap@...radead.org>,
Charles.Garcia-Tobin@....com, linux-acpi@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linaro-acpi@...ts.linaro.org, Hanjun Guo <hanjun.guo@...aro.org>
Subject: [PATCH v3 00/17] Introduce ACPI for ARM64 based on ACPI 5.1
ACPI 5.1 has been released and now be freely available for
download [1]. It fixed some major gaps to run ACPI on ARM,
this patch just follow the ACPI 5.1 spec and prepare the
code to run ACPI on ARM64.
ACPI 5.1 has some major changes for the following tables and
method which are essential for ARM platforms:
1) MADT table updates.
2) FADT updates for PSCI
3) GTDT
This patch set is the ARM64 ACPI core patches covered MADT, FADT
and GTDT, platform board specific drivers are not covered by this
patch set, but we provide drivers for Juno to boot with ACPI only
in the follwing patch set for review purpose.
We first introduce acpi.c and its related head file which are needed
by ACPI core, and then get RSDP to extract all the ACPI boot-time tables.
When all the boot-time tables (FADT, MADT, GTDT) are ready, then
parse them to init the sytem when booted. Specifically,
a) we use FADT to init PSCI and use PSCI to boot SMP;
b) Use MADT for GIC init and SMP init;
c) GTDT for arch timer init.
This patch set is based on 3.17-rc2 and was tested by Graeme on Juno
and FVP base model boot with ACPI only OK, if you want to test them,
you can pull from acpi-5.1-v3 branch in leg/acpi repo:
git://git.linaro.org/leg/acpi/acpi.git
Updates since v2:
- Refactor the code to make SMP/PSCI init with less sperated init
path by Tomasz
- make ACPI depend on EXPERT
- Address lots of comments from Catalin, Sudeep, Geoff
- Add Juno device ACPI driver patches for review
Updates since v1:
- Set ACPI default off on ARM64 suggested by Olof;
- Rebase the patch set on top of linux-next branch/linux-pm tree which
includes the ACPICA for full ACPI 5.1 support.
- Update the document as suggested;
- Adress lots of comments from Mark, Sudeep, Randy, Naresh, Olof, Geoff
and more...
[1]: http://www.uefi.org/sites/default/files/resources/ACPI_5_1release.pdf
Al Stone (3):
ARM64 / ACPI: Get RSDP and ACPI boot-time tables
ARM64 / ACPI: Introduce early_param for "acpi"
ARM64 / ACPI: Select ACPI_REDUCED_HARDWARE_ONLY if ACPI is enabled on
ARM64
Ashwin Chaugule (1):
ACPI / table: Add new function to get table entries
Graeme Gregory (4):
ARM64 / ACPI: Introduce lowlevel suspend function
ARM64 / ACPI: If we chose to boot from acpi then disable FDT
ARM64 / ACPI: Enable ARM64 in Kconfig
Documentation: ACPI for ARM64
Hanjun Guo (8):
ARM64: Move the init of cpu_logical_map(0) before
unflatten_device_tree()
ARM64 / ACPI: Make PCI optional for ACPI on ARM64
ARM64 / ACPI: Parse FADT table to get PSCI flags for PSCI init
ACPI / table: Print GIC information when MADT is parsed
ARM64 / ACPI: Parse MADT for SMP initialization
ACPI / processor: Make it possible to get CPU hardware ID via GICC
ARM64 / ACPI: Introduce ACPI_IRQ_MODEL_GIC and register device's gsi
ARM64 / ACPI: Parse GTDT to initialize arch timer
Tomasz Nowicki (1):
ARM64 / ACPI: Add GICv2 specific ACPI boot support
Documentation/arm64/arm-acpi.txt | 218 +++++++++++++++++++++
Documentation/kernel-parameters.txt | 3 +-
arch/arm64/Kconfig | 3 +
arch/arm64/include/asm/acenv.h | 18 ++
arch/arm64/include/asm/acpi.h | 108 ++++++++++
arch/arm64/include/asm/cpu_ops.h | 1 +
arch/arm64/include/asm/pci.h | 11 ++
arch/arm64/include/asm/psci.h | 3 +-
arch/arm64/include/asm/smp.h | 5 +-
arch/arm64/kernel/Makefile | 1 +
arch/arm64/kernel/acpi.c | 359 ++++++++++++++++++++++++++++++++++
arch/arm64/kernel/cpu_ops.c | 4 +-
arch/arm64/kernel/irq.c | 5 +
arch/arm64/kernel/psci.c | 78 +++++---
arch/arm64/kernel/setup.c | 23 ++-
arch/arm64/kernel/smp.c | 2 +-
arch/arm64/kernel/time.c | 7 +
drivers/acpi/Kconfig | 6 +-
drivers/acpi/Makefile | 2 +-
drivers/acpi/bus.c | 3 +
drivers/acpi/internal.h | 5 +
drivers/acpi/processor_core.c | 37 ++++
drivers/acpi/tables.c | 113 +++++++++--
drivers/clocksource/arm_arch_timer.c | 117 +++++++++--
drivers/irqchip/irq-gic.c | 114 +++++++++++
include/linux/acpi.h | 5 +
include/linux/clocksource.h | 6 +
include/linux/irqchip/arm-gic-acpi.h | 33 ++++
include/linux/pci.h | 37 +++-
29 files changed, 1237 insertions(+), 90 deletions(-)
create mode 100644 Documentation/arm64/arm-acpi.txt
create mode 100644 arch/arm64/include/asm/acenv.h
create mode 100644 arch/arm64/include/asm/acpi.h
create mode 100644 arch/arm64/include/asm/pci.h
create mode 100644 arch/arm64/kernel/acpi.c
create mode 100644 include/linux/irqchip/arm-gic-acpi.h
--
1.7.9.5
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