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9d97140bd0
linux-kernel-test/arch/arm/mach-omap2
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Tero Kristo 9d97140bd0 OMAP3: PM: save secure RAM only during init 
The function omap3_save_secure_ram() is now called only once during
the initialization of the device and consequent sleep cycles will
re-use the same saved contents for secure RAM. Users who need secure
services should do secure RAM saving before entering off-mode, if a
secure service has been accessed after last save.

There are both latency and reliability issues with saving secure RAM
context in the idle path. The context save uses a hardware resource
which takes an order of hundreds of milliseconds to initialize after a
wake up from off-mode, and also there is no way of checking whether it
is ready from kernel side or not. It just crashes if you use it too
quickly

Additional fix to ensure scratchpad save is done after secure
RAM by Roger Quadros.

Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Roger Quadros <ext-roger.quadros@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2009-11-11 14:42:25 -08:00
..
include/mach omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
board-2430sdp.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
board-3430sdp.c Merge branch '7xx-iosplit-plat' with omap-fixes 2009-11-10 18:10:34 -08:00
board-4430sdp.c Merge branch '7xx-iosplit-plat' with omap-fixes 2009-11-10 18:10:34 -08:00
board-apollon.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
board-generic.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
board-h4.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
board-ldp.c Merge branch '7xx-iosplit-plat' with omap-fixes 2009-11-10 18:10:34 -08:00
board-n8x0.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
board-omap3beagle.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
board-omap3evm.c Merge branch '7xx-iosplit-plat' with omap-fixes 2009-11-10 18:10:34 -08:00
board-omap3pandora.c Merge branch '7xx-iosplit-plat' with omap-fixes 2009-11-10 18:10:34 -08:00
board-overo.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
board-rx51-peripherals.c Merge branch '7xx-iosplit-plat' with omap-fixes 2009-11-10 18:10:34 -08:00
board-rx51.c Merge branch '7xx-iosplit-plat' with omap-fixes 2009-11-10 18:10:34 -08:00
board-zoom2.c Merge branch '7xx-iosplit-plat' with omap-fixes 2009-11-10 18:10:34 -08:00
board-zoom-debugboard.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
clock24xx.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
clock24xx.h OMAP2 clock: 2430 I2CHS uses non-standard CM_IDLEST register 2009-07-24 20:10:36 -06:00
clock34xx.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
clock34xx.h omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
clock.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
clock.h omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
clockdomain.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
clockdomains.h omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
cm4xxx.c omap: Fix 44xx compile 2009-09-24 16:23:07 -07:00
cm-regbits-24xx.h [ARM] OMAP2 PRCM: clean up CM_IDLEST bits 2009-02-08 17:50:37 +00:00
cm-regbits-34xx.h OMAP3: PM: Add D2D clocks and auto-idle setup to PRCM init 2009-05-28 10:59:07 -07:00
cm.c OMAP2/3/4 PRCM: add module IDLEST wait code 2009-09-03 20:14:02 +03:00
cm.h omap: Split OMAP2_IO_ADDRESS to L3 and L4 2009-10-19 15:25:31 -07:00
control.c OMAP3 PM: off-mode support for HS/EMU devices 2009-11-11 14:42:25 -08:00
devices.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
gpmc-onenand.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
gpmc-smc91x.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
gpmc.c OMAP3: PM: GPMC context save/restore 2009-11-11 14:40:12 -08:00
id.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
io.c Merge branch '7xx-iosplit-plat' with omap-fixes 2009-11-10 18:10:34 -08:00
iommu2.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
irq.c OMAP3: PM: INTC context save/restore 2009-11-11 14:40:12 -08:00
Kconfig omap2: Fix detection of n8x0 2009-10-22 14:48:13 -07:00
mailbox.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
Makefile OMAP2/3/4: create omap_hwmod layer 2009-09-03 20:14:03 +03:00
Makefile.boot
mcbsp.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
mmc-twl4030.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
mmc-twl4030.h omap_hsmmc: support for deeper power saving states 2009-09-23 07:39:35 -07:00
mux.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
omap3-iommu.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
omap_hwmod_34xx.h omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
omap_hwmod_2420.h omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
omap_hwmod_2430.h omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
omap_hwmod.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
omap-headsmp.S ARM: OMAP4: SMP: Add OMAP4430 SMP board files 2009-06-09 13:03:50 +05:30
omap-smp.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
pm24xx.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
pm34xx.c OMAP3: PM: save secure RAM only during init 2009-11-11 14:42:25 -08:00
pm-debug.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
pm.h OMAP3 PM: off-mode support for HS/EMU devices 2009-11-11 14:42:25 -08:00
powerdomain.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
powerdomains24xx.h omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
powerdomains34xx.h omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
powerdomains.h omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
prcm-common.h OMAP2/3: PM: push core PM code from linux-omap 2009-05-28 10:58:50 -07:00
prcm.c OMAP3: PM: PRCM context save/restore 2009-11-11 14:40:13 -08:00
prm-regbits-24xx.h ARM: OMAP2: Powerdomain: Add OMAP2 powerdomains 2008-08-19 11:08:42 +03:00
prm-regbits-34xx.h ARM: OMAP3: Fix HW SAVEANDRESTORE shift define 2009-05-16 08:28:17 -07:00
prm.h omap: Split OMAP2_IO_ADDRESS to L3 and L4 2009-10-19 15:25:31 -07:00
sdram-micron-mt46h32m32lf-6.h omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
sdram-qimonda-hyb18m512160af-6.h omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
sdrc2xxx.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
sdrc.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
sdrc.h omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
serial.c Merge branch '7xx-iosplit-plat' with omap-fixes 2009-11-10 18:10:34 -08:00
sleep24xx.S omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
sleep34xx.S OMAP3 PM: off-mode support for HS/EMU devices 2009-11-11 14:42:25 -08:00
sram34xx.S OMAP3 SDRC: Move the clk stabilization delay to the right place 2009-07-24 20:10:35 -06:00
sram242x.S omap: Split OMAP2_IO_ADDRESS to L3 and L4 2009-10-19 15:25:31 -07:00
sram243x.S omap: Split OMAP2_IO_ADDRESS to L3 and L4 2009-10-19 15:25:31 -07:00
timer-gp.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
timer-mpu.c ARM: OMAP4: SMP: Add mpu timer support for OMAP4430 2009-06-09 13:03:59 +05:30
usb-musb.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00
usb-tusb6010.c omap: headers: Move remaining headers from include/mach to include/plat 2009-10-20 09:40:47 -07:00