Commit Graph

48 Commits

Author SHA1 Message Date
Linus Torvalds 0cacaf51a0 IOMMU fixes for Linux v3.3-rc6
Two fixes are queued up. The first is an additional fix for the OMAP
 initialization order issue and the second patch fixes a possible section
 mismatch which can lead to a kernel crash in the AMD IOMMU driver when
 suspend/resume is used and the compiler has not inlined the
 iommu_set_device_table function.
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Merge tag 'iommu-fixes-v3.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull two IOMMU fixes from Joerg Roedel:
 "The first is an additional fix for the OMAP initialization order issue
  and the second patch fixes a possible section mismatch which can lead
  to a kernel crash in the AMD IOMMU driver when suspend/resume is used
  and the compiler has not inlined the iommu_set_device_table function."

* tag 'iommu-fixes-v3.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  x86/amd: iommu_set_device_table() must not be __init
  ARM: OMAP: fix iommu, not mailbox
2012-03-09 07:26:25 -08:00
Ohad Ben-Cohen 134d12fae0 ARM: OMAP: fix iommu, not mailbox
For some weird (freudian?) reason, commit 435792d "ARM: OMAP: make
iommu subsys_initcall to fix builtin omap3isp" unintentionally changed
the mailbox's initcall instead of the iommu's.

Fix that.

Reported-by: Fernando Guzman Lugo <fernando.lugo@ti.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Joerg Roedel <Joerg.Roedel@amd.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2012-03-05 15:18:20 +01:00
Linus Torvalds c5f2ac92c6 Another set of arm-soc bug fixes on top of v3.3-rc5. The few larger
bits are all for devices that still need to get set up in board code.
 
 Only three platforms are in this set of fixes: omap2+, pxa and lpc32xx.
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Merge tag 'fixes-3.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Arnd Bergmann says:
 "Another set of arm-soc bug fixes on top of v3.3-rc5.  The few larger
  bits are all for devices that still need to get set up in board code.

  Only three platforms are in this set of fixes: omap2+, pxa and lpc32xx."

* tag 'fixes-3.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (22 commits)
  ARM: LPC32xx: serial.c: Fixed loop limit
  ARM: LPC32xx: serial.c: HW bug workaround
  ARM: LPC32xx: irq.c: Clear latched event
  ARM: LPC32xx: Fix interrupt controller init
  ARM: LPC32xx: Fix irq on GPI_28
  ARM: OMAP2: fix mailbox init code
  ARM: OMAP2+: gpmc-smsc911x: add required smsc911x regulators
  ARM: OMAP1: Fix out-of-bounds array access for Innovator
  OMAP3 EVM: remove out-of-bounds array access of gpio_leds
  ARM: OMAP: Fix build error when mmc_omap is built as module
  ARM: OMAP: Fix kernel panic with HSMMC when twl4030_gpio is a module
  pxa/hx4700: add platform device and I2C info for AK4641 codec
  arch/arm/mach-pxa/: included linux/gpio.h twice
  arch/arm/mach-mmp/: some files include some headers twice
  ARM: pxa: fix error handling in pxa2xx_drv_pcmcia_probe
  ARM: pxa: fix including linux/gpio.h twice
  ARM: pxa: fix mixed declarations and code in sharpsl_pm
  ARM: pxa: fix wrong parsing gpio event on spitz
  ARM: OMAP2+: usb-host: fix compile warning
  ARM: OMAP4: Move the barrier memboclk_steal() as part of reserve callback
  ...
2012-02-29 11:24:39 -08:00
Ohad Ben-Cohen 435792d934 ARM: OMAP: make iommu subsys_initcall to fix builtin omap3isp
omap3isp depends on omap's iommu and will fail to probe if
initialized before it (which always happen if they are builtin).

Make omap's iommu subsys_initcall as an interim solution until
the probe deferral mechanism is merged.

Reported-by: James <angweiyang@gmail.com>
Debugged-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Cc: stable <stable@vger.kernel.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Hiroshi Doyu <hdoyu@nvidia.com>
Cc: Joerg Roedel <Joerg.Roedel@amd.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2012-02-27 14:18:42 +01:00
Ohad Ben-Cohen 655850ed7e ARM: OMAP2: fix mailbox init code
Fix this:

arch/arm/mach-omap2/mailbox.c: In function 'omap2_mbox_probe':
arch/arm/mach-omap2/mailbox.c:354: error: 'omap2_mboxes' undeclared (first use in this function)
arch/arm/mach-omap2/mailbox.c:354: error: (Each undeclared identifier is reported only once
arch/arm/mach-omap2/mailbox.c:354: error: for each function it appears in.)

Which happens on CONFIG_ARCH_OMAP2 && !CONFIG_SOC_OMAP2420, due to
missing omap2_mboxes declaration.

In addition, make sure we declare the right mailbox instances for 2430.

Reported-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Hiroshi Doyu <hdoyu@nvidia.com>
Cc: Omar Ramirez Luna <omar.ramirez@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-02-23 11:30:06 -08:00
Tony Lindgren a1bcc1dcef ARM: OMAP: Fix export.h or module.h includes
Commit 32aaeffbd4 (Merge branch
'modsplit-Oct31_2011'...) caused some build errors. Fix these
and make sure we always have export.h or module.h included
for MODULE_ and EXPORT_SYMBOL users:

$ grep -rl ^MODULE_ arch/arm/*omap*/*.c | xargs \
  grep -L linux/module.h
  arch/arm/mach-omap2/dsp.c
  arch/arm/mach-omap2/mailbox.c
  arch/arm/mach-omap2/omap-iommu.c
  arch/arm/mach-omap2/smartreflex.c

Also check we either have export.h or module.h included
for the files exporting symbols:

$ grep -rl EXPORT_SYMBOL arch/arm/*omap*/*.c | xargs \
  grep -L linux/export.h | xargs grep -L linux/module.h

Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-11-07 12:27:10 -08:00
Tony Lindgren 94a06b74e7 Merge branch 'for_2.6.39/pm-misc' of ssh://master.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into omap-for-linus 2011-03-10 18:54:14 -08:00
Hari Kanigeri 525a11381b omap: mailbox: resolve hang issue
omap4 interrupt disable bits is different. On rx kfifo full, the mbox rx
interrupts wasn't getting disabled, and this is causing the rcm stress tests
to hang.

Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Armando Uribe <x0095078@ti.com>
Signed-off-by: Fernando Guzman Lugo <fernando.lugo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-03-03 10:24:19 -08:00
Tony Lindgren b2833a0578 Merge branches 'devel-iommu-mailbox', 'devel-mcbsp', 'devel-board' and 'devel-hsmmc' into omap-for-linus
Conflicts:
	arch/arm/mach-omap2/omap_hwmod_44xx_data.c
2011-03-02 17:11:18 -08:00
Tony Lindgren 12d7d4e0ed Merge branch 'devel-cleanup' into omap-for-linus
Conflicts:
	arch/arm/mach-omap2/timer-gp.c
2011-03-02 17:07:14 -08:00
Omar Ramirez Luna 82d2a5db52 OMAP: mailbox: use runtime pm for clk and sysc handling
Use runtime pm APIs to enable/disable mailbox clocks and
to configure SYSC register.

Based on the patch sent by Felipe Contreras:
https://patchwork.kernel.org/patch/101662/

Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-02-24 12:51:33 -08:00
Felipe Contreras 69dbf857c8 OMAP: mailbox: build device using omap_device/omap_hwmod
Remove static platform_device and resource data within
omap mailbox driver; use the one defined in the hwmod
database along with omap_device framework for device
build and registration.

Add device latency functions to be used, so clock can be
enabled and sysconfig is configured.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-02-24 12:51:33 -08:00
Kevin Hilman eca83258f1 OMAP2420: mailbox: fix IVA vs DSP IRQ numbering
The IRQ numbering for the IVA and DSP mailboxes was switched due
to the wrong ordering in the OMAP2 mbox list.  Switch the ordering
so DSP is first and matches all the other SoCs.

Tested on OMAP2420/n810.

Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-02-14 13:19:32 -08:00
Tony Lindgren 59b479e098 omap: Start using CONFIG_SOC_OMAP
We want to have just CONFIG_ARCH_OMAP2, 3 and 4. The rest
are nowadays just subcategories of these.

Search and replace the following:

ARCH_OMAP2420		SOC_OMAP2420
ARCH_OMAP2430		SOC_OMAP2430
ARCH_OMAP3430		SOC_OMAP3430

No functional changes.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Thomas Weber <weber@corscience.de>
Acked-by: Sourav Poddar <sourav.poddar@ti.com>
2011-01-27 16:39:40 -08:00
Omar Ramirez Luna ff0fba0bca OMAP: mailbox: fix detection for previously supported chips
Fix the mailbox detection for OMAP3630 and 2430, also minor
cleanup on conditional ifdef's that could affect it.

Given that 2430 has an iva too, include it, as the same steps
for omap3 apply.

Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
Acked-by: Hiroshi Doyu <hiroshi.doyu@nokia.com>
2010-12-02 05:43:16 -06:00
Omar Ramirez Luna 5d783731c6 OMAP: mailbox: remove unreachable return
Remove unreachable return statement.

Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
Acked-by: Benoit Cousson <b-cousson@ti.com>
Acked-by: Hiroshi Doyu <hiroshi.doyu@nokia.com>
2010-12-02 05:43:16 -06:00
matt mooney b45b501c31 arm: remove cast from void*
Unnecessary cast from void* in assignment.

Signed-off-by: matt mooney <mfm@muteddisk.com>
Acked-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-09-28 09:54:28 -07:00
Felipe Contreras b3e69146f4 omap: mailbox: reorganize headers
Remove kernel.h and module.h since they are not used correctly anyway.

Also, remove device.h since it comes along with platform_device.h
(always will I guess).

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04 15:50:20 +03:00
Felipe Contreras d742709ea4 omap: mailbox: standarize on 'omap-mailbox'
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>
2010-08-04 15:50:19 +03:00
Felipe Contreras 14476bd937 omap: mailbox: only compile for configured archs
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04 15:50:19 +03:00
Felipe Contreras 9c80c8cd74 omap: mailbox: simplify omap_mbox_register()
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>
2010-08-04 15:50:19 +03:00
Felipe Contreras 898ee75623 omap: mailbox: reorganize registering
It's more extensible this way.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04 15:50:19 +03:00
Felipe Contreras 4b191eb960 omap: mailbox: don't export unecessary symbols
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04 15:50:18 +03:00
Felipe Contreras 7b2729a15b omap: mailbox: 2420 should be detected at run-time
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04 15:50:18 +03:00
Felipe Contreras 07d65d8b91 omap: mailbox: reorganize structures
OMAP4 ones messed up the organization.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04 15:50:17 +03:00
Felipe Contreras 909f9dc71e omap: mailbox: trivial cleanups
And fix a few compilation warnings.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2010-08-04 15:50:17 +03:00
Ohad Ben-Cohen f375325a04 omap: mailbox cleanup: split MODULE_AUTHOR line
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>
2010-08-04 15:50:16 +03:00
Suman Anna 26e4248359 omap2/3/4: mailbox: remove compiler warning
Remove a compiler warning in device-specific
mailbox module.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-03-11 14:50:00 -08:00
Suman Anna 4499ce4293 omap: mailbox: correct OMAP4 SIDLEMODE logic
OMAP4 mailbox has a different MAILBOX_SYSCONFIG register.
There is now no AutoIdle. The SIDLEMODE bits have been
right-shifted by 1 bit and now occupy bits 2 & 3.

Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-23 15:29:22 -08:00
Suman Anna a6a6022871 omap: mailbox: correct OMAP4 reset logic
OMAP4 mailbox has a different register set. There is
no MAILBOX_SYSSTATUS register. The reset is indicated
with the SOFTRESET bit of the MAILBOX_SYSCONFIG register
itself. This bit should read 0 for a successful Reset.
Also, the SOFTRESET bit occupies bit0 and not bit1 as with
previous generations.

Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-23 15:29:21 -08:00
Felipe Balbi 0cd7e1cc76 omap2/3/4: mailbox: kill compile warning in mailbox.c
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>
2010-02-15 10:03:33 -08:00
C A Subramaniam 5f00ec64a3 omap: mailbox: Adds code changes to support OMAP4 mailbox
This patch adds code changes in the mailbox driver module to
add support for OMAP4 mailbox.

Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: C A Subramaniam <subramaniam.ca@ti.com>
Signed-off-by: Ramesh Gupta G <grgupta@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2009-11-22 10:24:33 -08:00
Tony Lindgren a76df42a67 Merge 7xx-iosplit-plat-merge with omap-fixes
Merge branch '7xx-iosplit-plat-merge' into omap-for-linus
2009-11-22 10:08:43 -08:00
Tobias Klauser 6d13524209 omap: Use resource_size
Use the resource_size function instead of manually calculating the
resource size. This reduces the chance of introducing off-by-one errors
and actually fixes one in mailbox.c.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2009-11-10 18:55:19 -08:00
Tony Lindgren ce491cf854 omap: headers: Move remaining headers from include/mach to include/plat
Move the remaining headers under plat-omap/include/mach
to plat-omap/include/plat. Also search and replace the
files using these headers to include using the right path.

This was done with:

#!/bin/bash
mach_dir_old="arch/arm/plat-omap/include/mach"
plat_dir_new="arch/arm/plat-omap/include/plat"
headers=$(cd $mach_dir_old && ls *.h)
omap_dirs="arch/arm/*omap*/ \
drivers/video/omap \
sound/soc/omap"
other_files="drivers/leds/leds-ams-delta.c \
drivers/mfd/menelaus.c \
drivers/mfd/twl4030-core.c \
drivers/mtd/nand/ams-delta.c"

for header in $headers; do
	old="#include <mach\/$header"
	new="#include <plat\/$header"
	for dir in $omap_dirs; do
		find $dir -type f -name \*.[chS] | \
			xargs sed -i "s/$old/$new/"
	done
	find drivers/ -type f -name \*omap*.[chS] | \
		xargs sed -i "s/$old/$new/"
	for file in $other_files; do
		sed -i "s/$old/$new/" $file
	done
done

for header in $(ls $mach_dir_old/*.h); do
	git mv $header $plat_dir_new/
done

Signed-off-by: Tony Lindgren <tony@atomide.com>
2009-10-20 09:40:47 -07:00
Hiroshi DOYU 055c49d285 omap: Fix wrong condition check in while loop for mailbox and iommu2
It's worked fine so far since reset is done for the first time.

Reported-by: Juha Leppanen <juha_motorsportcom@luukku.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Juha Leppanen <juha_motorsportcom@luukku.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2009-09-28 09:21:26 -07:00
Hiroshi DOYU 8828880d09 omap: mailbox: Flush posted write when acking mailbox irq
The only way to flush posted write to L4 bus is to do a read back
of the same register right after the write.

This seems to be mostly needed in interrupt handlers to avoid
causing spurious interrupts.

The earlier fix has been to mark the L4 bus as strongly ordered
memory, which solves the problem, but causes performance penalties.

Similar to the fix, 03803a71041e3bc3c077f4e7b92f6ceaa9426df3

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2009-09-24 16:23:10 -07:00
Hiroshi DOYU 1ffe627dcf omap: mailbox: Execute softreset at startup
The softreset at startup is introduced as TRM describes and also some
register bit definitions are added instead of magic number.

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2009-09-24 16:23:09 -07:00
Roel Kluin 091a58af0b OMAP2/3: omap mailbox: platform_get_irq() error ignored
platform_get_irq may return -ENXIO. but struct omap_mbox mbox_dsp_info.irq
is unsigned, so the error was not noticed.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2009-06-23 13:30:22 +03:00
Hiroshi DOYU c75ee7520b omap mailbox: add save_/restore_ctx() for PM
To preserve the registers during off-mode

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2009-03-23 18:07:26 -07:00
Hiroshi DOYU da8cfe03a4 omap mailbox: fix empty struct device for omap2
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2009-03-23 18:07:25 -07:00
Hiroshi DOYU 94fc58c6da omap mailbox: print hardware revision at startup
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2009-03-23 18:07:24 -07:00
Hiroshi DOYU 6c20a68372 omap mailbox: add initial omap3 support
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2009-03-23 18:07:23 -07:00
Hiroshi DOYU 733ecc5c06 omap mailbox: cleanup omap2 register definition with macro
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
2009-03-23 18:07:23 -07:00
Russell King fced80c735 [ARM] Convert asm/io.h to linux/io.h
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-09-06 12:10:45 +01:00
Russell King a09e64fbc0 [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-08-07 09:55:48 +01:00
Hiroshi DOYU bfbdcf8a14 ARM: OMAP: Fix Unbalanced enable for IRQ in omap mailbox
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2008-05-09 10:25:03 -07:00
Hiroshi DOYU 340a614ac6 ARM: OMAP: Add mailbox support for IVA
This patch adds a generic mailbox interface for for DSP and IVA
(Image Video Accelerator). This patch itself doesn't contain
any IVA driver.

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Juha Yrjola <juha.yrjola@solidboot.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-05-09 10:37:10 +01:00