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* OMAP2xxx clock: move the DPLL+CORE composite clock code into ↵Paul Walmsley2010-01-26
| | | | | | | | | | | | | | | | | | | | | | | | | | mach-omap2/clkt2xxx_dpllcore.c Move the DPLL+CORE composite clock functions from clock2xxx.c to mach-omap2/clkt2xxx_dpllcore.c. This is intended to make the clock code easier to understand, since all of the functions needed to manage the OMAP2 DPLL+CORE clock are now located in their own file, rather than being mixed with other, unrelated functions. Clock debugging is also now more finely-grained, since the DEBUG macro can now be defined for the DPLL+CORE clock alone. This should reduce unnecessary console noise when debugging. Also, if at some future point the mach-omap2/ directory is split into OMAP2/3/4 variants, this clkt file can be placed in the mach-omap2xxx/ directory, rather than shared with other chip types that don't use this clock type. Thanks to Alexander Shishkin <virtuoso@slind.org> for his comments to improve the patch description. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Richard Woodruff <r-woodruff2@ti.com> Cc: Alexander Shishkin <virtuoso@slind.org>
* OMAP2/3/4 clock: combine all omap2_clk_functionsPaul Walmsley2010-01-26
| | | | | | | | | | | | The struct clk_functions for OMAP2, 3, and 4 are all essentially the same, so combine them. This removes one multi-OMAP kernel impediment and saves memory on multi-OMAP builds. The stubs for omap2_clk_{init,exit}_cpufreq() code will removed once the OPP layer code that's currently in Kevin's PM branch is merged. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Kevin Hilman <khilman@deeprootsystems.com>
* OMAP2 clock: move all static functions to the top of the filePaul Walmsley2010-01-26
| | | | | | | | Move static functions to the top of the file and ensure that their names are prefixed with an underscore to conform with the practice in the newer OMAP clock code files. Signed-off-by: Paul Walmsley <paul@pwsan.com>
* OMAP2/3/4 clock: move clksel clock functions into mach-omap2/clkt_clksel.cPaul Walmsley2010-01-26
| | | | | | | | | | | | | | | | | | | | | | Move all clksel-related clock functions from mach-omap2/clock.c to mach-omap2/clkt_clksel.c. This is intended to make the clock code easier to understand, since all of the functions needed to manage clksel clocks are now located in their own file, rather than being mixed with other, unrelated functions. Clock debugging is also now more finely-grained, since the DEBUG macro can now be defined for clksel clocks alon. This should reduce unnecessary console noise when debugging. Also, if at some future point the mach-omap2/ directory is split into OMAP2/3/4 variants, this clkt file can be moved to the plat-omap/ directory to be shared. Thanks to Alexander Shishkin <virtuoso@slind.org> for his comments to improve the patch description. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Alexander Shishkin <virtuoso@slind.org>
* OMAP2/3/4 clock: move DPLL clock functions into mach-omap2/clkt_dpll.cPaul Walmsley2010-01-26
| | | | | | | | | | | | | | | | | | | | | | Move all DPLL-related clock functions from mach-omap2/clock.c to mach-omap2/clkt_dpll.c. This is intended to make the clock code easier to understand, since all of the functions needed to manage DPLLs are now located in their own file, rather than being mixed with other, unrelated functions. Clock debugging is also now more finely-grained, since the DEBUG macro can now be defined for DPLLs alone. This should reduce unnecessary console noise when debugging. Also, if at some future point the mach-omap2/ directory is split into OMAP2/3/4 variants, this clkt file can be moved to the plat-omap/ directory to be shared. Thanks to Alexander Shishkin <virtuoso@slind.org> for his comments to improve the patch description. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Alexander Shishkin <virtuoso@slind.org>
* OMAP3 clock: move OMAP3-specific DPLL functions to dpll3xxx.cPaul Walmsley2010-01-26
| | | | | | | | Mark the OMAP3-specific DPLL functions as being OMAP3-specific by moving them from mach-omap2/dpll.c to mach-omap2/dpll3xxx.c. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Rajendra Nayak <rnayak@ti.com>
* OMAP: hwmod: add API for slave idlemode settingKevin Hilman2010-01-26
| | | | | | | | | | | Some HW blocks have errata which requires specific slave idle mode under certain conditions. This patch adds an hwmod API to allow setting slave idlemode ensuring that any SYSCONFIG register updates go through hwmod. Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
* OMAP clockdomain/powerdomain: improve documentationPaul Walmsley2010-01-26
| | | | | | | | | | | This patch only affects documentation; no functional changes are included. Clean up comments in the current clockdomain, powerdomain code and header files. This mostly involves conversion to kerneldoc format, although some clarifications are also included. Signed-off-by: Paul Walmsley <paul@pwsan.com>
* OMAP powerdomain: remove pwrdm_clk_state_switchPaul Walmsley2010-01-26
| | | | | | | | | Nothing calls pwrdm_clk_state_switch(), and the function that seems to be its ideal use case calls pwrdm_clkdm_state_switch(clk->clkdm), so remove it. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Tero Kristo <tero.kristo@nokia.com> Cc: Kevin Hilman <khilman@deeprootsystems.com>
* OMAP powerdomain/PM: use symbolic constants for the max number of power statesPaul Walmsley2010-01-26
| | | | | | | Replace some bare constants with symbolic constants. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Kevin Hilman <khilman@deeprootsystems.com>
* OMAP clockdomains: add usecounting for wakeup and sleep dependenciesPaul Walmsley2010-01-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add usecounting for wakeup and sleep dependencies. In the current situation, if several functions add dependencies on the same clockdomains, when the first dependency removal function is called, the dependency will be incorrectly removed from the hardware. Add clkdm_clear_all_wkdeps() and clkdm_clear_all_sleepdeps(), which provide a fast and usecounting-consistent way to clear all hardware clockdomain dependencies, since accesses to these registers can be quite slow. pm{2,3}4xx.c has been updated to use these new functions. The original version of this patch did not touch these files, which previously wrote directly to the wkdep registers, and thus confused the usecounting code. This problem was found by Kevin Hilman <khilman@deeprootsystems.com>. N.B.: This patch introduces one significant functional difference over the previous pm34xx.c code: sleepdeps are now cleared during clockdomain initialization, whereas previously they were left untouched. This has been tested by Kevin and confirmed to work. The original version of this patch also did not take into consideration that some clockdomains do not have sleep or wakeup dependency sources, which caused NULL pointer dereferences. This problem was debugged and fixed by Kevin Hilman <khilman@deeprootsystems.com>. Signed-off-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Cc: Jouni Högander <jouni.hogander@nokia.com>
* OMAP clockdomain/powerdomain: remove runtime register/unregisterPaul Walmsley2010-01-26
| | | | | | | | | | | | | | OMAP clockdomains and powerdomains are currently defined statically, only registered at boot, and never unregistered, so we can remove the unregister function and the locking. A variant of this was originally suggested a while ago by Dmitry Baryshkov <dbaryshkov@gmail.com>. This version of this patch contains an additional fix from Kevin Hilman <khilman@deeprootsystems.com> to address one of the pwrdm_for_each_nolock() users in mach-omap2/pm-debug.c. Thanks Kevin. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Dmitry Baryshkov <dbaryshkov@gmail.com> Cc: Kevin Hilman <khilman@deeprootsystems.com>
* OMAP2 clockdomain: modem clockdomain is only present on OMAP2430Paul Walmsley2010-01-26
| | | | | | | | For some reason, previously, we included the MDM clockdomain on all 24xx, but the stacked die-on-die modem configuration (chassis mode) is only available on OMAP2430. Signed-off-by: Paul Walmsley <paul@pwsan.com>
* OMAP2/3 clockdomains: split shared structures so usecounting worksPaul Walmsley2010-01-26
| | | | | | | | | Previously some of the clockdomain wakeup/sleep dependency structures were shared between several domains. For the subsequent wakeup and sleep dependency usecounting patch to work, these can no longer be shared. This patch splits the shared structures apart. Signed-off-by: Paul Walmsley <paul@pwsan.com>
* OMAP2/3 clkdm/pwrdm: move wkdep/sleepdep handling from pwrdm to clkdmPaul Walmsley2010-01-26
| | | | | | | | | | | | | | | Move clockdomain wakeup dependency and sleep dependency data structures from the powerdomain layer to the clockdomain layer, where they belong. These dependencies were originally placed in the powerdomain layer due to unclear documentation; however, it is clear now that these dependencies are between clockdomains. For OMAP2/3, this is not such a big problem, but for OMAP4 this needs to be fixed. Thanks to Benoît Cousson <b-cousson@ti.com> for his advice on this patch. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoît Cousson <b-cousson@ti.com>
* ARM: OMAP4 clock domains : Add the missing Clock Domain StructureAbhijit Pagare2010-01-26
| | | | | | | | One of the clock domains was missing from the auto-generated file. It has been added here. Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
* ARM: OMAP4 clock framework: Remove the checks preventing OMAP4 clockdomain ↵Abhijit Pagare2010-01-26
| | | | | | | | | | | validation The clockdomain related code being in place, it is not necessary to have some part of the clock code commented out. This would help the validation of the clockdomain functions using the clock level interfaces. Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
* OMAP clock: make the fixed divisor clock code available for all OMAPsPaul Walmsley2010-01-26
| | | | | | | | | | One of the OMAP1 clocks can use the fixed divisor recalculation code introduced in the OMAP2 clock code, so rename the omap2_fixed_divisor_recalc() function to omap_fixed_divisor_recalc() and make it available to all OMAPs. A followup patch converts the OMAP1 clock. Signed-off-by: Paul Walmsley <paul@pwsan.com>
* AM35xx: Clock table updates for AM3505/17Ranjith Lohithakshan2010-01-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | AM3505/17 though a OMAP3530 derivative have the following main differences - Removal of the following OMAP3 modules - IVA - ISP/CAM - Modem and D2D components (MAD2D, SAD2D) - USIM - SSI - Mailboxes - USB OTG - ICR - MSPRO - SmartReflex - SDRC replaced with EMIF4 Controller in the SDRC subsystem thus adding support for DDR2 memory devices - Addition of the following new modules - Ethernet MAC (CPGMAC) - CAN Controller (HECC) - New USB OTG Controller with integrated Phy - Video Processing Front End (VPFE) - Additional UART (UART4) - All security accelerators disabled on GP devices and not to be accessed or configured This patch defines CPU flags for AM3505/17 and update the clock table. Clock support for new modules will be added by subsequent patches. Signed-off-by: Ranjith Lohithakshan <ranjithl@ti.com> [paul@pwsan.com: updated for 2.6.34 clock layout] Signed-off-by: Paul Walmsley <paul@pwsan.com>
* OMAP3 clock: reorganize CK_* platform flagsPaul Walmsley2010-01-26
| | | | | | | | | | | | | | | | | | | Add CK_* flags for the two new Sitara chips, AM3505 and AM3517, and the OMAP34xx die shrink, OMAP36xx/OMAP37xx. Introduce a new CK_* flag, CK_3XXX, that marks all clocks that are common to OMAP3 family chips. CK_343X now refers to clocks that are available only on OMAP34{1,2,3,4}0 (WTBU) and OMAP35{03,15,25,30} (any version). At some point, the RATE_IN_* flags should be updated also. While here, add some documentation describing the chip families covered by these clock flags. This patch is partially based on patches from Ranjith Lohithakshan <ranjithl@ti.com> and Vishwanath Sripathy <vishwanath.bs@ti.com>. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Ranjith Lohithakshan <ranjithl@ti.com> Cc: Vishwanath Sripathy <vishwanath.bs@ti.com>
* ARM: OMAP4: PM: Refine the APIs to support OMAP4 features.Abhijit Pagare2010-01-26
| | | | | | | | | | Port the APIs to support the OMAP4 clockdomain framework. Also take care of the compiling requirements for the same. Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Rajendra Nayak <rnayak@ti.com>
* ARM: OMAP4: PM: Adapt the existing OMAP2/3 Clock Domain Frameworks.Abhijit Pagare2010-01-26
| | | | | | | | | | | The introduction of the OMAP4 Clock Domain framework requires some adaptaions to be done in the earlier files to place the common and uncommon data in the proper places where they belong. Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Rajendra Nayak <rnayak@ti.com>
* ARM: OMAP4: PM: Add the Autogenerated OMAP4 specific clock domain framework.Abhijit Pagare2010-01-26
| | | | | | | | | | | | | | The Autogenerated OMAP4 clock domain specific file (mach-omap2/clockdomains44xx.h) is added here. This file is auto-generated using python scripting, and following is the lsit of the people involved: Benoit Cousson Abhijit Pagare Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Benoit Cousson <b-cousson@ti.com> Cc: Rajendra Nayak <rnayak@ti.com>
* ARM: OMAP4: PM: Modify Clock-domain interfaces for OMAP4 compatibility.Abhijit Pagare2010-01-26
| | | | | | | | | Here the APIs are modified to use absolute addresses instead of module offsets. Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Rajendra Nayak <rnayak@ti.com>
* ARM: OMAP4: PM: Make OMAP3 Clock-domain framework compatible for OMAP4.Abhijit Pagare2010-01-26
| | | | | | | | | | | | | | Here the ".clkstctrl_reg" field is added to the clockdomain stucture as the module offsets for OMAP4 do not map one to one for powerdomains and clockdomains as it used to for OMAP3. Hence we need to use absolute addresses to access the control registers. Some of the clock domains have modules falling in the address space of PRM partition. Hence necessitating the use of absolute adresses. Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Rajendra Nayak <rnayak@ti.com>
* ARM: OMAP4: PM: Refine the APIs to support OMAP4 features.Abhijit Pagare2010-01-26
| | | | | | | | | | The proper Macros have to be used for platform specific calls and some of the compiling requirements and init calls are taken care of. Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Rajendra Nayak <rnayak@ti.com>
* ARM: OMAP4: PM: Adapt the existing OMAP2/3 and common Power Domain Frameworks.Abhijit Pagare2010-01-26
| | | | | | | | | | | Taking care of the platform specific and common power domains with proper checks. Also refining some Macros according to the latest OMAP4 requirements. Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Rajendra Nayak <rnayak@ti.com>
* ARM: OMAP4: PM: Add the Autogenerated OMAP4 specific power domain framework.Abhijit Pagare2010-01-26
| | | | | | | | | | | | | | | The Autogenerated OMAP4 power domain specific file (mach-omap2/powerdomains44xx.h) is added here. This file is auto-generated using python scripting and following is the list of the people involved: Paul Walmsley Benoit Cousson Abhijit Pagare Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Benoit Cousson <b-cousson@ti.com> Signed-off-by: Rajendra Nayak <rnayak@ti.com>
* ARM: OMAP4: PM: OMAP4 Power Domain Porting Related Clean-up.Abhijit Pagare2010-01-26
| | | | | | | | | | Module offsets were same for OMAP2 and OMAP3 while they differ for OMAP4. Hence we need different macros for identifying platform specific offsets. Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Rajendra Nayak <rnayak@ti.com>
* ARM: OMAP4: PM: OMAP4 essential basic initialisations.Abhijit Pagare2010-01-26
| | | | | | | | | | | | | Some of the OMAP4 specific chip level initialisations are taken care of. Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Rajendra Nayak <rnayak@ti.com> Cc: Tony Lindgren <tony@atomide.com> [paul@pwsan.com: updated to use '4430ES1' rather than simply '4430'; updated to apply after the intervening cpu.h/id.c patch; thanks also to Tony for catching a bug in my rewrite] Signed-off-by: Paul Walmsley <paul@pwsan.com>
* Merge branch 'omap-fixes' into omap-fixes-for-linusTony Lindgren2010-01-20
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| * omap: Enable GPMC clock in gpmc_initOlof Johansson2010-01-20
| | | | | | | | | | | | | | | | | | | | | | | | Don't assume that gpmc_l3_clk is on, enable it before touching configuration registers. Note that the current code assumes that this clock is always enabled. We are already setting smart idle and L3 autogating for GPMC clock in gpmc_init. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * omap3: Fix cpu detectionTony Lindgren2010-01-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We need to set the omap_chip.oc carefully for the clocks to work. To fix this, set the omap_chip.oc in omap3_check_features() based on the CONTROL_IDCODE and silicon revision registers. Also add handling for 34xx es3.1.2 as es3.1 for now. Fixes booting on at least overo board. Based on an earlier patch by Paul Walmsley <paul@pwsan.com>. Signed-off-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * omap: Fix functions for dynamic remuxing of pinsTony Lindgren2010-01-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the omap_mux_read and write available for board code, and rename omap_mux_set_board_signals into omap_mux_write_array. Also add the related prototypes and comments into mux.h. In some cases we want to change the signals dynamically, mostly for power management. Note that we cannot use the signal names as they are set __init to save memory. Signed-off-by: Tony Lindgren <tony@atomide.com>
| * omap: Fix cmdline muxingTony Lindgren2010-01-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Looks like cmdline muxing got broken at some point when we decided to limit muxing to __init code. Currently omap_mux_entry list is not yet initialized when we try to initialize cmdline muxing. Fix this by calling omap_mux_init_list() before calling omap_mux_set_cmdline_signals(). Reported-by: Philip Balister <philip@balister.org> Tested-by: Philip Balister <philip@balister.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
* | Merge branch 'pm-fixes' of ↵Tony Lindgren2010-01-20
|\ \ | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/khilman/linux-omap-pm into omap-fixes-for-linus
| * | PM debug: Fix warning when no CONFIG_DEBUG_FSSergio Aguirre2010-01-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following warning when CONFIG_DEBUG_FS wasn't selected: arch/arm/mach-omap2/pm-debug.c:57: warning: 'pm_dbg_init' declared 'static' but never defined Signed-off-by: Sergio Aguirre <saaguirre@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
| * | OMAP3: PM: DSS PM_WKEN to refill DMASubramani Venkatesh2010-01-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, DSS does not wakeup when there is a DMA request. DSS wake up event must be enabled so that the DMA request to refill the FIFO will wake up the CORE domain. Signed-off-by: Subramani Venkatesh <subramani.venkatesh@windriver.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
| * | OMAP3: PM: Force write last pad config register into save areaTero Kristo2010-01-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due to OMAP3 erratas 1.157, 1.185 the save of the last pad register (ETK_D14 and ETK_D15) can fail sometimes when there is simultaneous OCP access to the SCM register area. Fixed by writing the last register to the save area. Also, optimized the delay loop for the HW save to include an udelay(1), which limits the number of unnecessary HW accesses to SCM register area during the save. Signed-off-by: Tero Kristo <tero.kristo@nokia.com> Acked-by: Nishanth Menon <nm@ti.com> Reviewed-by: Anand Gadiyar <gadiyar@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
| * | OMAP: omap3_pm_get_suspend_state() error ignored in pwrdm_suspend_get()Roel Kluin2010-01-20
| | | | | | | | | | | | | | | | | | | | | val is an u64 pointer, we need an int to check the error. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
| * | OMAP3: PM: Enable wake-up from McBSP2, 3 and 4 modulesPeter Ujfalusi2010-01-20
| | | | | | | | | | | | | | | | | | | | | | | | Wake-up from McBSP ports are needed, especially when the THRESHOLD dma mode is in use for audio playback. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
| * | OMAP3: PM debug: fix build error when !CONFIG_DEBUG_FSManjunatha GK2010-01-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The PM debug code fails to build on when CONFIG_DEBUG_FS is not enabled. Build error log: arch/arm/mach-omap2/built-in.o: In function `omap_sram_idle': arch/arm/mach-omap2/pm34xx.c:449: undefined reference to `pm_dbg_regset_save' arch/arm/mach-omap2/pm34xx.c:460: undefined reference to `pm_dbg_regset_save' arch/arm/mach-omap2/built-in.o: In function `configure_vc': arch/arm/mach-omap2/pm34xx.c:1237: undefined reference to `pm_dbg_regset_init' arch/arm/mach-omap2/pm34xx.c:1238: undefined reference to `pm_dbg_regset_init' make: *** [.tmp_vmlinux1] Error 1 This patch fixes the above errors. Kernel booting is tested on omap zoom2 and zoom3 boards. Signed-off-by: Manjunatha GK <manjugk@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
| * | OMAP3: PM: Removing redundant and potentially dangerous PRCM configrationSripathy, Vishwanath2010-01-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As part of Core domain context restoration while coming out of off mode there are some registers being restored which are not required to be restored. ROM code will have restored them already. Overwriting some of them can have potential side effect. Eg: CM_CLKEN_PLL register should not be written while dpll is locked. Tested on OMAP 3430 SDP for suspend/resume and off mode with sleep_while_idle enabled. Signed-off-by: Vishwanath BS <vishwanath.bs@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
| * | OMAP3: Fixed ARM aux ctrl register save/restoreTero Kristo2010-01-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | Current value is stored on SDRAM and it is written back during wakeup. Previously a static value of 0x72 was written there. Signed-off-by: Tero Kristo <tero.kristo@nokia.com> Acked-by: Thara Gopinath <thara@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
| * | OMAP3: CPUidle: Fixed timer resolutionTero Kristo2010-01-20
| | | | | | | | | | | | | | | | | | | | | Previously used u32 as temporary data storage that wraps around at 4.294s. Signed-off-by: Tero Kristo <tero.kristo@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
| * | OMAP3: PM: Remove duplicate code blocksSanjeev Premi2010-01-20
| | | | | | | | | | | | | | | | | | | | | | | | This patch removes code blocks that are repeated in function prcm_setup_regs(). Signed-off-by: Sanjeev Premi <premi@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
| * | OMAP3: PM: Disable interrupt controller AUTOIDLE before WFITero Kristo2010-01-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | OMAP interrupt controller goes to unknown state when there is right combination of l3,l4 sleep/wake-up transitions, l4 autoidle in interrupt controller and some interrupt. When this happens, interrupts are not delivered to ARM anymore and ARM will remain in WFI (wait for interrupt) until interrupt controller is forced to wake-up (i.e. lauterbach). Signed-off-by: Tero Kristo <tero.kristo@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
| * | OMAP3: PM: Enable system control module autoidleTero Kristo2010-01-20
| | | | | | | | | | | | | | | | | | | | | | | | Enable the auto-idle feature of the SCM block to save some additional power. Signed-off-by: Mika Westerberg <ext-mika.1.westerberg@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
| * | OMAP3: PM: Ack pending interrupts before entering suspendTero Kristo2010-01-20
| |/ | | | | | | | | | | | | | | Suspending drivers may still generate interrupts just before their suspend is completed. Any pending interrupts here will prevent sleep. Signed-off-by: Tero Kristo <tero.kristo@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
* | OMAP4: clocks: Fix the clksel_rate struct DPLL divsRajendra Nayak2010-01-20
| | | | | | | | | | | | | | | | | | | | For all DPLL's the valid dividers are same as the values to be programmed in the register. 0 is an invalid value. The changes are generated by updating the script which autogenerates the file modifed in the patch. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>