From mboxrd@z Thu Jan 1 00:00:00 1970 From: atull@opensource.altera.com (atull at opensource.altera.com) Date: Tue, 14 Oct 2014 14:33:37 -0500 Subject: [PATCH v3 0/2] socfpga: fix hotplug/add suspend to ram Message-ID: <1413315219-28885-1-git-send-email-atull@opensource.altera.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Alan Tull Patch 1: socfpga: hotplug: put cpu1 in wfi Use WFI when putting CPU1 to sleep. Don't hold CPU1 in reset since that results in increased power consumption. Only briefly reset CPU1. Patch 2: socfpga: support suspend to ram * allocate space in ocram using sram driver * Add a function in ocram to do suspend to ram and place DDR in self-refresh Alan Tull (2): socfpga: hotplug: put cpu1 in wfi socfpga: support suspend to ram arch/arm/mach-socfpga/Kconfig | 1 + arch/arm/mach-socfpga/Makefile | 1 + arch/arm/mach-socfpga/core.h | 7 ++ arch/arm/mach-socfpga/platsmp.c | 19 ++-- arch/arm/mach-socfpga/pm.c | 150 ++++++++++++++++++++++++++++++++ arch/arm/mach-socfpga/self-refresh.S | 157 ++++++++++++++++++++++++++++++++++ arch/arm/mach-socfpga/socfpga.c | 10 +++ 7 files changed, 337 insertions(+), 8 deletions(-) create mode 100644 arch/arm/mach-socfpga/pm.c create mode 100644 arch/arm/mach-socfpga/self-refresh.S -- 1.7.9.5