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2010-08-04omap: mailbox: standarize on 'omap-mailbox'Felipe Contreras4-8/+6
omap{1,2}-mailbox are modules that provide the 'omap-mailbox' driver. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox: only compile for configured archsFelipe Contreras1-2/+13
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox: simplify omap_mbox_register()Felipe Contreras4-97/+50
No need to dynamically register mailboxes one by one. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox: reorganize registeringFelipe Contreras2-83/+66
It's more extensible this way. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox: add IRQ namesFelipe Contreras2-0/+5
Will be useful to identify them later. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox: remove unecessary fieldsFelipe Contreras1-8/+0
Nobody is using them. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox: don't export unecessary symbolsFelipe Contreras2-4/+0
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox: update omap1 probingFelipe Contreras1-14/+14
Based on omap2 code. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox: use correct config for omap1Felipe Contreras1-1/+1
CONFIG_OMAP_DSP is not in mainline, CONFIG_OMAP_MBOX_FWK is. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox: 2420 should be detected at run-timeFelipe Contreras1-1/+2
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox: reorganize structuresFelipe Contreras1-33/+35
OMAP4 ones messed up the organization. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox: trivial cleanupsFelipe Contreras3-9/+9
And fix a few compilation warnings. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap mailbox: Set a device in logical mbox instance for traceabilityHiroshi DOYU1-1/+16
With this patch, you'll get the following sysfs directories. This structure implies that a single platform device, "omap2-mailbox" holds multiple logical mbox instances. This could be the base to add sysfs files for each logical mboxes. Then userland application can access a mbox through sysfs entries if necessary(ex: setting kfifo size dynamically) ~# tree -d -L 2 /sys/devices/platform/omap2-mailbox/ /sys/devices/platform/omap2-mailbox/ |-- driver -> ../../../bus/platform/drivers/omap2-mailbox |-- mbox | |-- dsp <- they are each instances of logical mailbox. | |-- ducati | |-- iva2 | |-- mbox01 | |-- mbox02 | |-- mbox03 | |-- ..... | `-- tesla |-- power `-- subsystem -> ../../../bus/platform This was wrongly dropped by: commit c7c158e57bce6220644f2bcd65d82e1468aa40ec Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox: convert block api to kfifoOhad Ben-Cohen3-68/+64
The underlying buffering implementation of mailbox is converted from block API to kfifo due to the simplicity and speed of kfifo. The default size of the kfifo buffer is set to 256 bytes. This value is configurable at compile time (via CONFIG_OMAP_MBOX_KFIFO_SIZE), and can be changed at runtime (via the mbox_kfifo_size module parameter). Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox: remove (un)likely macros from cold pathsOhad Ben-Cohen1-5/+5
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox cleanup: split MODULE_AUTHOR lineOhad Ben-Cohen2-2/+4
use multiple MODULE_AUTHOR lines for multiple authors Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04omap: mailbox: convert rwlocks to spinlockOhad Ben-Cohen1-10/+10
rwlocks are slower and have potential starvation issues therefore spinlocks are generally preferred. see also: http://lwn.net/Articles/364583/ Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Signed-off-by: Kanigeri Hari <h-kanigeri2@ti.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04Mailbox: disable mailbox interrupt when request queueFernando Guzman Lugo1-1/+9
when blk_get_request fails to get the request it is returning without read the message from the mailbox fifo, then when it leaves the isr and interruption is trigger again and again and the workqueue which get elements from the request queue is never executed and the kernel is stuck and shows a softlockup message. Now the mailbox interrupt is disabled when request queue is full and enabled when it pop a elememt form the request queue. Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04Mailbox: new mutext lock for h/w mailbox configurationHiroshi DOYU1-5/+6
mailbox startup and shutdown are being executed against a single H/W module, and a mailbox H/W module is totally __independent__ of the registration of logical mailboxes. So, an independent mutext should be used for startup and shutdown. Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04Mailbox: Check valid registered callback before callingFernando Guzman Lugo1-1/+2
This patch checks if the mailbox user has assinged a valid callback fuction before calling it. Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04Mailbox: flush pending deferred works before freeing blk queueFernando Guzman Lugo1-0/+2
flush pending deferred works before freeing blk_queue to prevent any attempt of access to blk_queue after it was freed Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04Mailbox: free mailbox interrupt before freeing blk queueFernando Guzman Lugo1-2/+1
Free interrupt before freeing blk_queue to avoid any attempt of access to blk_queue after it was freed. Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04Remove ARM default configurations which duplicate omap3_defconfigVincent Sanders19-3467/+0
These configurations are no longer useful as the systems they support are covered by the generic omap3_defconfig Signed-off-by:Vincent Sanders <vince@simtec.co.uk> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-04omap: 3630: disable TLL SAR on 3630 ES1Anand Gadiyar1-2/+10
USBTLL Save-and-Restore is broken in 3630 ES1.0. Having it enabled could result in incorrect register restores as the OMAP exits off-mode. This could potentially result in unexpected wakeup events. (Refer 3630 errata ID i579) This is fixed in ES1.1. So disable it for ES1.0s. Signed-off-by: Anand Gadiyar <gadiyar@ti.com> Acked-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-04OMAP3630: Add ES1.1 and ES1.2 detectionAnand Gadiyar2-7/+36
Add revision detection for ES1.1 and ES1.2. Set default revision as ES1.2. Add CHIP_GE_OMAP3630ES1_1 to detect revisions 1.1 and later. This is needed for at least one feature that is broken in 3630ES1.0 but exists on older (3430 ES3.1) and newer revisions. Additionally, update some of the CHIP_GE_* macros to use other macros for ease of maintenance. Signed-off-by: Anand Gadiyar <gadiyar@ti.com> Cc: Nishanth Menon <nm@ti.com> Cc: Manjunatha GK <manjugk@ti.com> [tony@atomide.com: update to remove fallthrough handling] Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-04omap: device: improve errors handlingArtem Bityutskiy1-1/+3
Do not forget to check the 'platform_device_add_data()' error code in 'omap_device_build_ss()'. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Acked-by: Nishanth Menon <nm@ti.com> Acked-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-04omap3: introduce omap3_map_ioMike Rapoport17-105/+23
Most OMAP3-based boards use exactly the same code for .map_io method in the machine_desc structure. This patch introduces omap3_map_io and updates board-* files to use it as .map_io method. Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-04omap3: Unify omap2_set_globals_3[43,6x]x functionsSergio Aguirre18-26/+19
The only difference between them is the physical address of the uart4 port, which is only present in 36xx chips. We don't really need to care about keeping these 2 functions, since the decision to use uart4 is more cleanly done later when we do have access to omap_revision variable. Signed-off-by: Sergio Aguirre <saaguirre@ti.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> [tony@atomide.com: added comment for the uart4_phys] Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-04omap: Fix DEBUG_LL uart to access phys addr when MMU isn't enableJason Wang2-11/+28
Now we use a memory address to store the debug port info, So we need to read/write this address when we choose DEBUG_LL. When MMU isn't enable(I.E. the begining part of init stage of the linux kernel boot), we need to access physical address instead of virtual address, otherwise the kernel will crash. Signed-off-by: Jason Wang <jason77.wang@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-03PARISC: led.c - fix potential stack overflow in led_proc_write()Helge Deller1-2/+4
avoid potential stack overflow by correctly checking count parameter Reported-by: Ilja <ilja@netric.org> Signed-off-by: Helge Deller <deller@gmx.de> Acked-by: Kyle McMartin <kyle@mcmartin.ca> Cc: James E.J. Bottomley <jejb@parisc-linux.org> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-03OMAP2: powerdomain: Add break in switch statementThomas Weber1-0/+1
Add a missing break at end of switch statement. At the moment it is a fall through to WARN_ON(1) and return -EEXIST. Signed-off-by: Thomas Weber <weber@corscience.de> Acked-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap3: add support for NAND on LDP boardSukumar Ghorai2-0/+36
patch adds NAND support to LDP board. Signed-off-by: Vimal Singh <vimalsingh@ti.com> Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap-3630-sdp : Add support for FlashSukumar Ghorai2-0/+121
add support for NAND, OneNAND, NOR on omap 3630-sdp board. Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap3: add support for NAND on zoom3 boardSukumar Ghorai2-0/+44
patch adds NAND support to zoom3 board. Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com> Signed-off-by: Vimal Singh <vimalsingh@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap3: add support for NAND on zoom2 boardSukumar Ghorai3-0/+50
This patch adds NAND support to ZOOM2 board. Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com> Signed-off-by: Vimal Singh <vimalsingh@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap3 flash: rename board-sdp-flash.c to be use by other boardsSukumar Ghorai4-55/+60
rename board-sdp-flash.c(board-flash.c) and board-sdp.h(board-flash.h) to used by other board e.g. zoom Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap3 nand: fix issue in board file to detect nandSukumar Ghorai6-118/+5
Board file modified for not to provide gpmc phys_base address to nand driver. The gpmc_nand_init funciton is now used to detect the nand and required to adopt _prob function as in nand/omap2.c Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap3 nand: cleanup virtual address usagesSukumar Ghorai5-207/+64
This patch removes direct reference of gpmc address from generic nand platform code. Nand platform code now uses wrapper functions which are implemented in gpmc module. Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap3 gpmc: functionality enhancementSukumar Ghorai3-17/+301
few functions added in gpmc module and to be used by other drivers like NAND. Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap: mux: fix multipath gpio handlingGrazvydas Ignotas1-18/+20
OMAP3530 CBB package can have GPIO126 muxed on 2 pins: mmc1_dat4 and cam_strobe. This causes a problem with current multipath GPIO mux handling, which muxes both pins as GPIO126 and makes the GPIO unusable. Fix this by not muxing any pins if multipath GPIO is detected and just print a warning instead. It's up to board files to set correct mux using omap_mux_init_signal and pin name. Signed-off-by: Grazvydas Ignotas <notasas@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap: Devkit8000: Use DIE id to initialize dm9000 MAC addressKan-Ru Chen1-0/+14
The devkit8000 boards often come with empty EEPROM thus without valid ethernet MAC address. The DIE id to MAC formula is copied from u-boot. Signed-off-by: Kan-Ru Chen <kanru@0xlab.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap: Use omap_get_die_id() to get the DIE idsKan-Ru Chen1-8/+6
Signed-off-by: Kan-Ru Chen <kanru@0xlab.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap: Add new interface omap_get_die_idKan-Ru Chen2-0/+32
Allow DIE id to be get and used by others. Signed-off-by: Kan-Ru Chen <kanru@0xlab.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02OMAP3: AM3505/3517 do not have IO wakeup capabilitystanley.miao3-3/+8
AM3505/3517 doesn't have IO wakeup capability, so we do not need to set the bit OMAP3430_EN_IO and the bit OMAP3430_EN_IO_CHAIN in the register PM_WKEN_WKUP when the system enters suspend state. Tested on AM3517EVM and OMAP3530EVM. Signed-off-by: Stanley.Miao <stanley.miao@windriver.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap: dma: Support for prefetch in destination synchronizedtransferSamu Onkalo2-4/+8
Omap DMA controller can prefetch data in advance in case of destination synchronized data transfer. This may increase performance when target HW block doesn't have fifo. Data is waiting for transfer request in DMA fifo instead of read from memory. Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap2/3: id: fix sparse warningNishanth Menon1-5/+5
omap24xx_check_revision, omap3_check_features, omap3_check_revision, omap4_check_revision, omap3_cpuinfo are not used elsewhere, it should be static Also fixes the following sparse warnings: arch/arm/mach-omap2/id.c:105:13: warning: symbol 'omap24xx_check_revision' was not declared. Should it be static? arch/arm/mach-omap2/id.c:167:13: warning: symbol 'omap3_check_features' was not declared. Should it be static? arch/arm/mach-omap2/id.c:189:13: warning: symbol 'omap3_check_revision' was not declared. Should it be static? arch/arm/mach-omap2/id.c:270:13: warning: symbol 'omap4_check_revision' was not declared. Should it be static? arch/arm/mach-omap2/id.c:300:13: warning: symbol 'omap3_cpuinfo' was not declared. Should it be static? Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap: Overo: Fix support for second ethernet portSteve Sakoman1-2/+40
The original patch got truncated when applied from patchwork.kernel.org as discussed at: http://www.mail-archive.com/linux-omap@vger.kernel.org/msg28953.html This patch supplies the missing chunks. Signed-off-by: Steve Sakoman <sakoman@gmail.com> [tony@atomide.com: added more info to the patch description] Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap2: Fix GPIO numbers and smc91x for 2430sdpTony Lindgren2-6/+4
Fix GPIO numbers and smc91x for 2430sdp. The earlier code had cut and paste errors from 3430sdp code. Also, 2430 has five GPIO banks for a total of 160 GPIO lines. Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap1: omap7xx clocks, mux, serial fixesCory Maccarrone4-0/+35
This change adds in the necessary clocks and mux pins for UART control on omap7xx devices. I also made a change in the serial code to only try and initialize two UARTs in omap_serial_init, as these devices don't have three. Signed-off-by: Cory Maccarrone <darkstar6262@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-08-02omap: Add back UART MDR1 check into uncompress.hTony Lindgren1-0/+6
Recent DEBUG_LL and uncompress.h changes removed the check_port() as pointed out by Cory Maccarrone <darkstar6262@gmail.com>. This causes some boards to not boot, so add back the MDR1 register check. The MDR1 register tells the mode of omap uart. Based on an earlier patch by Cory Maccarrone <darkstar6262@gmail.com>. Tested-by: Cory Maccarrone <darkstar6262@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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