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2010-02-23OMAP3: cpuidle: Update statistics for correct stateSanjeev Premi3-8/+98
When 'enable_off_mode' is 0, the target power state for MPU and CORE was locally changed to PWRDM_POWER_RET but, the statistics are updated for idle state originally selected by the governor. This patch 'invalidates' the idle states that lead either of MPU or Core to PWRDM_POWER_OFF state when 'enable_off_mode' is '0'. The states are valid once 'enable_off_mode' is set to '1'. Added function next_valid_state() to check if current state is valid; else get the next valid state. It is called from omap3_enter_idle_bm(). Signed-off-by: Sanjeev Premi <premi@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2010-02-18Merge branch 'omap-fixes-for-linus' into omap-for-linusTony Lindgren219-1393/+2611
2010-02-17omap: Remove DEBUG_FS dependency for mux name checkingRanjith Lohithakshan1-7/+5
The check for a valid mux name should be performed regardless of whether DEBUG_FS is enabled or not. Otherwise without DEBUG_FS, we get: Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c0004000 [00000000] *pgd=00000000 Internal error: Oops: 5 [#1] last sysfs file: Modules linked in: CPU: 0 Not tainted (2.6.33-rc8 #10) PC is at strcmp+0x18/0x40 LR is at omap_mux_init_signal+0x68/0x14c ... This fixes the issue currently seen with boards not booting up if DEBUG_FS is not enabled in defconfig. Note that the earlier ifndef + ifdef now becomes simpler ifdef else: If CONFIG_OMAP_MUX is selected, we use pin names. If it's not selected, we only want the GPIO to mux register mapping. Signed-off-by: Ranjith Lohithakshan <ranjithl@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15OMAP4: MCPDM: Register McPDM platform deviceJorge Eduardo Candelaria1-0/+37
Add platform device for McPDM interface in OMAP4 and register its memory and irq resources. Signed-off-by: Jorge Eduardo Candelaria <x0107209@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15ARM: OMAP4: Add McPDM base addressJorge Eduardo Candelaria1-0/+2
Define McPDM physical and L3 base address for OMAP4 Signed-off-by: Jorge Eduardo Candelaria <x0107209@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15OMAP4: IRQ: Add McPDM IRQ definitionJorge Eduardo Candelaria1-1/+1
Support for McPDM IRQs in OMAP4 Signed-off-by: Jorge Eduardo Candelaria <x0107209@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15arm: omap: kill compile warning on board-4430-sdp.cFelipe Balbi1-4/+0
sdp4430_uart_config isn't used anywhere, so remove it. Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15AM35xx: Update irq.h for AM35xx IPSS module interruptsVaibhav Hiremath1-0/+10
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15AM35xx: Add AM35xx intr_clr & sw_rst cntrl reg bit definitionVaibhav Hiremath1-0/+17
AM3517/05 has few additional control module registers to control the new IP's, like VPFE, USBOTG, CPGMAC. This patch adds the bit defination for INTR_CLR and SW_RST control register. Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15AM35xx: Introduce am35xx.h fileVaibhav Hiremath2-0/+27
Add base address definations for new AM35xx IPSS modules, like VPFE, USBOTG, CPGMAC. Please note that the OMAP34xx IVA2 memory space is being used for AM35xx IPSS modules. Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com> Signed-off-by: Sriramakrishnan <srk@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap3: pm: Add T2 Keypad as a wakeup sourceLesly A M1-0/+9
Changes for setting the padconf value for sys_nirq line which is connected to T2 INTR1. This will fix the T2 keypad wakeup. Signed-off-by: Lesly A M <x0080970@ti.com> Signed-off-by: Teerth Reddy <teerth@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap3: Clean-up for omap_mux_initTony Lindgren1-12/+34
Get rid of the ifdeffery in omap_mux_init by creating omap_mux_init_package and omap_mux_init_signals functions. Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap_hsmmc: allow compile without regulator frameworkAdrian Hunter1-54/+79
It is still possible to use the omap_hsmmc module without the regulator framework. Accordingly, ifdef out regulator-specific functions. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap_hsmmc: Allow for a shared VccQAdrian Hunter4-1/+22
EMMC can have two voltage supplies, Vcc and VccQ which are implemented in the code as consumer supplies vmmc and vmmc_aux. If the regulator that supplies vmmc_aux is shared with other consumers, then sending it to sleep will disrupt those consumers. However, the TWL4030-family regulators may have OFF remapped to SLEEP, in which case 'regulator_disable()' will put the regulator to sleep only when all consumers are disabled - which is the desired behaviour. This patch adds a platform data field to allow that option. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap_hsmmc: Ensure regulator enable / disable are pairedAdrian Hunter1-6/+3
Stop using 'regulator_is_enabled()' and just pair enables with disables so that the regulator reference counts can work correctly. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap_hsmmc: Fix disable timeoutsAdrian Hunter1-2/+2
Disable timeouts are in msecs not jiffies. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap_hsmmc: Allow for power saving without going offAdrian Hunter4-0/+13
An eMMC may be always powered on, so that the lowest power saving state possible is sleeping. Add a field to the platform data to indicate that. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap: RX51: Remux to pull eMMC lines down when powering offAdrian Hunter4-1/+53
It has been discovered that, when eMMC is powered off, current will flow from OMAP eMMC data pull-ups to the eMMC voltage supply. Configuring pads for OMAP off-mode does not help because eMMC is powered off independently of OMAP off-mode. Hence the pads are now re-configured when eMMC is powered on or off. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap: Reconnect hsmmc context loss countAdrian Hunter1-2/+2
Call the PM context-loss count function, now that there is a prototype for it. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap: Rename hsmmc symbols to reflect independence from twl4030Adrian Hunter14-47/+45
hsmmc.[ch] no longer has any dependency on twl4030 and variable names should be renamed to reflect that. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap: Rename mmc-twl4030 files to hsmmcAdrian Hunter15-28/+28
mmc-twl4030.[ch] no longer has any dependency on twl4030 and should be renamed to reflect that. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap_hsmmc: Move gpio and regulator control from board fileAdrian Hunter5-349/+391
This patch moves the setup code for GPIO's and Voltage Regulators from the board file mmc-twl4030.c to the driver omap_hsmmc.c. PBIAS and other system control configuration remains in the board file. Moving GPIO code to the driver makes the board initialisation code independent of when GPIO's are defined. That makes the board initialisation now entirely independent of its original twl4030 roots. Moving Voltage Regulator code to the driver allows for further development of regulator support in the core MMC code. It also permits the MMC core to be compiled as a module, because the board code no longer calls MMC core functions. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap3: Add support for flash on 3430SDP boardVimal Singh2-1/+113
This patch adds support for flashes on 3430SDP boards. All three NAND, NOR and OneNAND are supported. I have tested it on 3430SDP (ES2 and ES3.1). This patch can be treated as an example to "how to utilize": 'gpmc-nand.c' and 'board-sdp-flash.c'. Similar patches can be created for 2430sdp and 3630sdp or any other similar board. Signed-off-by: Vimal Singh <vimalsingh@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap3: SDP: Introducing 'board-sdp-flash.c' for flash initVimal Singh3-0/+295
This patch adds 'board-sdp-flash.c', which could be utilized by boards similar to 3430SDP. (For ex: 2430sdp, 36030sdp). This file does initialization for all three flash devices present in SDP boards (NOR, NAND, OneNAND), by finding there 'cs' number dynamically using switch setting information (S8: 1-4). This also expects partition information from core board files (for ex: board-3430sdp.c). Which allows to choose different default partitions for different boards. A new structure is created for this purpose: 'flash_partitions' in 'mach/board-sdp.h'. This has two members: 1. struct mtd_partition *parts 2. int nr_parts A board file is expected to fill this structure and pass it to 'sdp-flsash-init'. Partition information should be passed in structure array of 'flash_partitions'. Partition information should be passed in below sequence in array: NOR OneNAND NAND Signed-off-by: Vimal Singh <vimalsingh@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap2/3/4: Introducing 'gpmc-nand.c' for GPMC specific NAND initVimal Singh4-32/+155
Introducing 'gpmc-nand.c' for GPMC specific NAND init. For example: GPMC timing parameters and all. This patch also migrates gpmc related calls from 'nand/omap2.c' to 'gpmc-nand.c'. Signed-off-by: Vimal Singh <vimalsingh@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap2/3/4: serial: fix coding style indentaionvikram pandita1-9/+10
No logical code change Fix coding style indentaion as per checkpatch.pl Fix multi-line comment style reported by Nishanth Menon Signed-off-by: Vikram Pandita <vikram.pandita@ti.com> Cc: Nishanth Menon <nm@ti.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap2/3/4: gpmc: avoid section definitions on headersFelipe Balbi1-1/+1
trivial patch, no functional changes. Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap2/3/4: gpmc: kill compile warningFelipe Balbi1-2/+4
Get rid of the following warnings: arch/arm/mach-omap2/gpmc.c:550:30: warning: non-ANSI function declaration of function 'omap3_gpmc_save_context' arch/arm/mach-omap2/gpmc.c:581:33: warning: non-ANSI function declaration of function 'omap3_gpmc_restore_context' Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap2/3/4: mailbox: kill compile warning in mailbox.cFelipe Balbi1-1/+1
Change %d to %ld to avoid the compile warning. Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap1: mailbox: kill compile warningFelipe Balbi2-3/+8
use ioremap and remove unused variable to get rid of compile warnings. Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap: McBSP: Use cache when modifying individual register bitsJanusz Krzysztofik1-31/+47
Change the way McBSP registers are updated: use cached values instead of relying upon those read back from the device. With this patch, I have finally managed to get rid of all random playback/recording hangups on my OMAP1510 based Amstrad Delta hardware. Before that, values read back from McBSP registers to be used for updating them happened to be errornous. From the hardware side, the issue appeared to be caused by a relatively high power requirements of an external USB adapter connected to the board's printer dedicated USB port. I think there is one important point that makes this patch worth of applying, apart from my hardware quality. With the current code, if it ever happens to any machine, no matter if OMAP1510 or newer, to read incorrect value from a McBSP register, this wrong value will get written back without any checking. That can lead to hardware damage if, for example, an input pin is turned into output as a result. Applies on top of patch 3 from this series: [PATCH v9 3/4] OMAP: McBSP: Introduce caching in register write operations Tested on OMAP1510 based Amstrad Delta using linux-omap for-next, commit fb7380d70e041e4b3892f6b19dff7efb609d15a4 (2.6.33-rc3+ dated 2010-01-11). Compile-tested with omap_3430sdp_defconfig. Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Acked-by: Jarkko Nikula <jhnikula@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap: McBSP: Introduce caching in register write operationsJanusz Krzysztofik4-32/+84
Determine cache size required per McBSP port at init time, based on processor type running on. Allocate space for storing cached copies of McBSP register values at port request. Modify omap_msbcp_write() function to update the cache with every register write operation. Modify omap_mcbsp_read() to support reading from cache or hardware. Update MCBSP_READ() macro for modified omap_mcbsp_read() function API. Introduce a new macro that reads from the cache. Tested on OMAP1510 based Amstrad Delta using linux-omap for-next, commit fb7380d70e041e4b3892f6b19dff7efb609d15a4 (2.6.33-rc3+ dated 2010-01-11). Compile-tested with: omap_perseus2_730_defconfig, omap_generic_1610_defconfig, omap_generic_2420_defconfig, omap_2430sdp_defconfig, omap_3430sdp_defconfig, omap_4430sdp_defconfig with CONFIG_OMAP_MCBSP=y selected. Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Acked-by: Jarkko Nikula <jhnikula@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap: McBSP: Modify macros/functions API for easy cache accessJanusz Krzysztofik1-156/+125
OMAP_MCBSP_READ()/_WRITE() macros and omap_mcbsp_read()/_write() functions accept McBSP register base address as an argument. In order to support caching, that must be replaced with an address of the omap_mcbsp structure that would provide addresses for both register AND cache access. Since OMAP_ prefix seems obvious in macro names, drop it off in order to minimize line wrapping throughout the file. Tested on OMAP1510 based Amstrad Delta using linux-omap for-next, commit fb7380d70e041e4b3892f6b19dff7efb609d15a4 (2.6.33-rc3+ dated 2010-01-11). Compile-tested with omap_3430sdp_defconfig. Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Acked-by: Jarkko Nikula <jhnikula@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap: McBSP: Use macros for all register read/write operationsJanusz Krzysztofik1-22/+22
There are several places where readw()/writew() functions are used instead of OMAP_MCBSP_READ()/WRITE() macros for manipulating McBSP registers. Replace them with macros to ensure consistent behaviour after caching is introduced. Tested on OMAP1510 based Amstrad Delta. Compile-tested with omap_3430sdp_defconfig. Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Acked-by: Jarkko Nikula <jhnikula@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap iommu: fix incorrect address for largepage 1st entryHiroshi DOYU1-2/+2
There was a potential risk that the following "memset" could override its range if a given address was not the 1st entry of a largepage. This is not the case for "iovmm". Reported-by: Hari Nagalla <hnagalla@ti.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com> Signed-off-by: Hari Nagalla <hnagalla@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap: iommu: fix incorrect address for supersection 1st entryHiroshi DOYU1-1/+1
There was a potential risk that the following "memset" could override its range if a given address was not the 1st entry of a supersection. This is not the case for "iovmm". Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com> Signed-off-by: Hari Nagalla <hnagalla@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap iommu: cleanup iommu page address mask and definitionsHiroshi DOYU1-11/+39
This is just a cleanup, but adds a few macros here, which can be used in the proceeding patches. Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15MTD: remove no longer used OMAP flash mapLadislav Michl3-198/+0
All OMAP boards are now using physmap-flash. Cc: linux-mtd@lists.infradead.org Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap: convert boards to use physmap-flashLadislav Michl16-55/+112
Convert OMAP based boards to use physmap-flash. Refreshed against today's Linux omap kernel tree Cc: linux-mtd@lists.infradead.org Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap2/3/4: Add omap4 into omap3_defconfigTony Lindgren1-1/+5
Add omap4 into omap3_defconfig. Note that this does not yet boot on omap4, but boots on omap2 and omap3. Also note that CONFIG_SMP does not currently work on uniprocessor ARMs. Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap2/3/4: Fix mach-omap2/serial.c for multibootTony Lindgren1-7/+20
Initialize UART4 only for 3630 and 44xx. Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap: Fix gpio.c for multi-omap for omap4Tony Lindgren1-91/+133
Set up METHOD_GPIO_44XX instead of trying to use the METHOD_GPIO_24XX. Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap3/4: Fix compile for multi-omap for clkops_noncore_dpll_opsTony Lindgren6-13/+13
Rename clkops_noncore_dpll_ops for omap3 and omap4. Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap2/3/4: Allow booting omap4 with multi-omap configurationTony Lindgren1-7/+29
Allow booting omap4 with multi-omap configuration. Tested only on omap2 and omap3, please somebody test on omap4 and ack. Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap2/3/4: Clean up entry-macro.s for adding support for omap4 multibootTony Lindgren1-4/+34
Move defines around and set up handlers based on MULTI_OMAP2. Note that this will only allow compiling in omap4 with omap2 and omap3. It will not yet make omap4 boot with multi-omap. Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap4: Use get_irqnr_preambleTony Lindgren1-1/+1
Use get_irqnr_preamble Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap2/3/4: Clean up defines for entry-macro.STony Lindgren1-8/+7
Define the irq base the same way as for omap2 and omap3, and start using get_irqnr_preamble. Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap: Move multi-omap ifdeffery into it's own header fileTony Lindgren2-69/+95
This way we can include it easily as needed also for .S files. Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap2/3: Update omap3_defconfig to build in all the 2420 based boardsTony Lindgren1-36/+138
Note that booting 2420 depends on another patch posted earlier to not select CONFIG_CPU_32v6K if CONFIG_ARCH_OMAP2 is selected. Also note that we cannot add omap2430 in yet because of the different clock addresses compared to 2420. Also note that we cannot have CONFIG_CPU_32v6K=y in order to boot on 24xx. Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15omap2/3: Fix initcalls for multi-omapTony Lindgren2-1/+9
Otherwise the wrong initcalls can run. Signed-off-by: Tony Lindgren <tony@atomide.com>
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