5123 Commits

Author SHA1 Message Date
Tero Kristo
8111e01045 ARM: OMAP2+: clock: introduce ti_clk_features flags
This shall be used to replace the cpu type checks around the clock code.
Actual bit values will be introduced in patches later.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:08:55 -06:00
Tero Kristo
44b65e760e ARM: OMAP4+: dpll44xx: remove cm-regbits-44xx.h and clock44xx.h includes
Instead, copy the used bitfield definitions to the source file. Done in
preparation to migrate the clock implementation under clock driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:08:49 -06:00
Tero Kristo
74b9b62b60 ARM: OMAP4+: dpll: remove cpu_is_omap44xx checks
These are unnecessary, as the clock code is only used on OMAP4+ platforms
through clock registrations. This also allows to eventually migrate the
clock type implementation under clock driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-15 14:08:42 -06:00
Tony Lindgren
81c6d80661 Merge branch 'for-v3.17/cm-prm-cleanup' of https://github.com/t-kristo/linux-pm into omap-for-v3.17/soc 2014-07-15 07:00:00 -07:00
Suman Anna
cbf14f3ab9 ARM: AM33xx: hwmod_data: Remove legacy mailbox addrs
The legacy-style definition of the hwmod addr space is no longer
required as AM33xx/AM43xx are DT-boot only, and the minimal mailbox
DT nodes have been added, so clean up this data.

Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-15 05:08:56 -07:00
Suman Anna
6be5da73fc ARM: OMAP4: hwmod_data: Remove legacy mailbox addrs
The legacy-style definition of the hwmod addr space is no longer
required after the addition of the OMAP4 mailbox DT node, so
clean up this data.

Cc: Paul Walmsley <paul@pwsan.com>
Cc: Benoît Cousson <bcousson@baylibre.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-15 05:08:56 -07:00
Suman Anna
635b3801e0 ARM: OMAP2: hwmod_data: Remove legacy mailbox data and addrs
OMAP2 devices are devicetree boot only, and the legacy mode
of mailbox device creation should no longer be used, so remove
the mailbox attribute data and the hwmod addr space used for
creating mailboxes in legacy mode.

Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-15 05:08:56 -07:00
Suman Anna
dbd5f4603e ARM: OMAP2+: Avoid mailbox legacy device creation for DT-boot
The legacy platform device for mailbox should not be created for
a DT boot, so adjust the platform device initialization logic
appropriately.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-15 05:08:56 -07:00
Suman Anna
067395d49c ARM: DRA7: hwmod_data: Add mailbox hwmod data
Add the hwmod data for the 13 instances of the system mailbox
IP in DRA7 SoC. The patch is needed for performing a soft-reset
while configuring the respective mailbox instance, otherwise is
a non-essential change for functionality. The modules are smart
idled on reset, and the IP module mode is hardware controlled.

Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-15 05:08:56 -07:00
Tony Lindgren
00e4e5b5b0 Merge remote-tracking branch 'roger/for-v3.17/gpmc-omap' into omap-for-v3.17/fixes-not-urgent 2014-07-15 00:24:39 -07:00
Sekhar Nori
ba394f0b6a ARM: OMAP2+: l2c: squelch warning dump on power control setting
On OMAP SOCs using PL310 controllers, power_ctrl register is not
accessible from non-secure software even on PL310 versions which
support it. The secure code takes care of setting it up correctly
and power transitions are proven on these devices.

For example, AM437x has L2C-310 version r3p3 and ROM code on that
device does not support writing to L2C-310 power control register.
The L2C driver, however, tries writing to this register for all
revisions >= r3p0.

This leads to a warning dump on boot which leads most users to believe
that L2 cache is non-functional.

Since the problem is understood, and cannot be addressed through
software, replace the warning with a pr_info() while maintaining the
WARN_ON() for other truly unexpected scenarios.

Reported-by: Nishanth Menon <nm@ti.com>
Tested-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-14 09:24:43 -07:00
Rostislav Lisovy
97a288ba2c ARM: omap2+: gpmc-nand: Use dynamic platform_device_alloc()
GPMC controller supports up to 8 memory devices connected to it.
Since there is one statically allocated "struct platform_device
gpmc_nand_device" it is not possible to configure the system to
use more than one NAND device connected to the GPMC. This
modification makes it possible to use up to 8 NAND devices
connected to the GPMC controller.

Signed-off-by: Rostislav Lisovy <lisovy@merica.cz>
Signed-off-by: Roger Quadros <rogerq@ti.com>
2014-07-11 16:15:13 +03:00
Tero Kristo
0b6fbd68b2 ARM: OMAP4+: clock: remove DEFINE_CLK_OMAP_HSDIVIDER macro
This clock type declaration is no longer used as all omap4+ SoC clock
data has been moved to DT, thus remove it.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-11 03:51:16 -06:00
Joachim Eastwood
6bf5885959 ARM: OMAP4: Ctrl module register define diet
The mach-omap2 directory contains full register defines for OMAP4
control module but only around 27 of those are used. There are is
a total of 1795 register defines in four files with only 27 in use.
That is pretty low usefulness ratio...

I guess alot more was used when we had omap4 board files and
mach-omap2 contained more drivers but this has now changed.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
[tony@atomide.com: updated to apply]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-09 02:22:45 -07:00
Jyri Sarha
1d29a0722f ARM: OMAP2+: Remove non working OMAP HDMI audio initialization
This code is not working currently and it can be removed. There is a
conflict in sharing resources with the actual HDMI driver and with
the ASoC HDMI audio DAI driver.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-08 01:08:44 -07:00
Tony Lindgren
aa3b465b5e Some miscellaneous fixes for OMAP clock code, DRA7xx device data, and
PRCM code (when DSPBridge is used) for v3.16-rc.
 
 Basic build, boot, and PM test logs are available here:
 
 http://www.pwsan.com/omap/testlogs/prcm-a-v3.16-rc/20140706174258/
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Merge tag 'for-v3.16-rc/omap-fixes-b' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.16/fixes

Some miscellaneous fixes for OMAP clock code, DRA7xx device data, and
PRCM code (when DSPBridge is used) for v3.16-rc.

Basic build, boot, and PM test logs are available here:

http://www.pwsan.com/omap/testlogs/prcm-a-v3.16-rc/20140706174258/
2014-07-08 01:03:54 -07:00
Guido Martínez
68e2eb533e ARM: OMAP2+: Make GPMC skip disabled devices
Currently, child nodes of the gpmc node are iterated and probed
regardless of their 'status' property. This means adding 'status =
"disabled";' has no effect.

This patch changes the iteration to only probe nodes marked as
available.

Signed-off-by: Guido Martínez <guido@vanguardiasur.com.ar>
Tested-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-07 04:57:17 -07:00
Suman Anna
526570cb20 ARM: OMAP2+: create dsp device only on OMAP3 SoCs
The DSP platform device for TI DSP/Bridge is currently
created unconditionally whenever CONFIG_TIDSPBRIDGE is
enabled. This device should only be created on OMAP34xx/
OMAP36xx SoCs, and not for other OMAP3 derived SoCs or when
booting multi-arch images on other SoCs. So, add a check for
the SoC family both before creating the device and allocating
the carveout memory for the device.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-07 04:57:06 -07:00
Nishanth Menon
7abb1a530e ARM: DRA7/AM43XX: fix header definition for omap44xx_restart
omap44xx_restart is defined as a static void inline when DRA7/AM437X is
defined alone, which implies that the restart function is no longer
functional even though it is built in. So, fix the definition of the
same.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-07 04:57:06 -07:00
Rickard Strandqvist
cb4ab22f72 ARM: omap2+: usb-tusb6010.c: Cleaning up variable is set more than once
A struct member variable is set to the same value more than once

This was found using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-07-07 04:52:31 -07:00
Tero Kristo
6340c8720c ARM: OMAP2+: clock/dpll: fix _dpll_test_fint arithmetics overflow
The divider value provided to the _dpll_test_fint can reach value of
256 with J type DPLLs (USB etc.), which causes an overflow with the u8
datatype. Fix this by changing the parameter to be an int instead.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
[paul@pwsan.com: changed type of 'n' to unsigned int]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-06 15:58:38 -06:00
Roger Quadros
d904b38df0 ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss
Add the sysconfig class bits for the Super Speed USB
controllers

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Tested-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-06 15:51:24 -06:00
Roger Quadros
1ea0999e08 ARM: DRA7: hwmod: Fixup SATA hwmod
Get rid of optional clock as that is now managed by the
AHCI platform driver.

Correct .mpu_rt_idx to 1 as the module register space (SYSCONFIG..)
is passed as the second memory resource in the device tree.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Rajendra Nayak <rnayak@ti.com>
Tested-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-06 15:51:24 -06:00
Suman Anna
0cd8d4052a ARM: OMAP3: PRM/CM: Add back macros used by TI DSP/Bridge driver
The commit 7be914f {ARM: OMAP3: PRM/CM: Cleanup unused header} removed
some of the macros used by the TI DSP/Bridge driver. This fixes the
following build errors when trying to build DSP/Bridge driver (disabled
at present), otherwise results in the following build errors:

drivers/staging/tidspbridge/core/tiomap3430.c:531:31: error: 'OMAP3430_AUTO_IVA2_DPLL_SHIFT' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430.c:531:31: note: each undeclared identifier is reported only once for each function it appears in
make[3]: *** [drivers/staging/tidspbridge/core/tiomap3430.o] Error 1
make[3]: *** Waiting for unfinished jobs....
drivers/staging/tidspbridge/core/tiomap_io.c: In function 'sm_interrupt_dsp':
drivers/staging/tidspbridge/core/tiomap_io.c:404:31: error: 'OMAP3430_AUTO_IVA2_DPLL_SHIFT' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap_io.c:404:31: note: each undeclared identifier is reported only once for each function it appears in
drivers/staging/tidspbridge/core/tiomap_io.c:414:12: error: 'OMAP3430_IVA2_DPLL_FREQSEL_SHIFT' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap_io.c:415:12: error: 'OMAP3430_EN_IVA2_DPLL_SHIFT' undeclared (first use in this function)
make[3]: *** [drivers/staging/tidspbridge/core/tiomap_io.o] Error 1
drivers/staging/tidspbridge/core/tiomap3430_pwr.c: In function 'dsp_clk_wakeup_event_ctrl':
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:442:19: error: 'OMAP3430_GRPSEL_GPT5_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:442:19: note: each undeclared identifier is reported only once for each function it appears in
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:455:19: error: 'OMAP3430_GRPSEL_GPT6_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:468:19: error: 'OMAP3430_GRPSEL_GPT7_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:481:19: error: 'OMAP3430_GRPSEL_GPT8_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:494:19: error: 'OMAP3430_GRPSEL_MCBSP1_MASK' undeclared (first use in this function)
drivers/staging/tidspbridge/core/tiomap3430_pwr.c:546:19: error: 'OMAP3430_GRPSEL_MCBSP5_MASK' undeclared (first use in this function)
make[3]: *** [drivers/staging/tidspbridge/core/tiomap3430_pwr.o] Error 1
make[2]: *** [drivers/staging/tidspbridge] Error 2

Fixes: 7be914f (ARM: OMAP3: PRM/CM: Cleanup unused header)
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-06 15:51:23 -06:00
Linus Torvalds
75bf757edc ARM: SoC fixes for 3.16-rc
This week's arm-soc fixes:
 
 - A set of of OMAP patches that we had missed Tony's pull request of:
   - Reset fix for am43xx
   - Proper OPP table for omap5
   - Fix for SoC detection of one of the DRA7 SoCs
   - hwmod updates to get SATA and OCP to work on omap5 (drivers merged in 3.16)
   - ... plus a handful of smaller fixes
 - sunxi needed to re-add machine specific restart code that was removed in
   anticipation of a watchdog driver being merged for 3.16, and it didn't make
   it in.
 - Marvell fixes for PCIe on SMP and a big-endian fix.
 - A trivial defconfig update to make my capri test board boot with
   bcm_defconfig again.
 
 ... and a couple of MAINTAINERS updates, one to claim new Keystone
 drivers that have been merged, and one to merge MXS and i.MX (both
 Freescale platforms).
 
 The largest diffs come from the hwmod code for omap5 and the re-add of
 the restart code on sunxi. The hwmod stuff is quite late at this point
 but it slipped through cracks repeatedly while coming up the maintainer
 chain and only affects the one SoC so risk is low.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "This week's arm-soc fixes:

   - A set of of OMAP patches that we had missed Tony's pull request of:
     * Reset fix for am43xx
     * Proper OPP table for omap5
     * Fix for SoC detection of one of the DRA7 SoCs
     * hwmod updates to get SATA and OCP to work on omap5 (drivers
       merged in 3.16)
     * ... plus a handful of smaller fixes
   - sunxi needed to re-add machine specific restart code that was
     removed in anticipation of a watchdog driver being merged for 3.16,
     and it didn't make it in.
   - Marvell fixes for PCIe on SMP and a big-endian fix.
   - A trivial defconfig update to make my capri test board boot with
     bcm_defconfig again.

  ... and a couple of MAINTAINERS updates, one to claim new Keystone
  drivers that have been merged, and one to merge MXS and i.MX (both
  Freescale platforms).

  The largest diffs come from the hwmod code for omap5 and the re-add of
  the restart code on sunxi.  The hwmod stuff is quite late at this
  point but it slipped through cracks repeatedly while coming up the
  maintainer chain and only affects the one SoC so risk is low"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  MAINTAINERS: Add few more Keystone drivers
  MAINTAINERS: merge MXS entry into IMX one
  ARM: sunxi: Reintroduce the restart code for A10/A20 SoCs
  ARM: mvebu: fix cpuidle implementation to work on big-endian systems
  ARM: mvebu: update L2/PCIe deadlock workaround after L2CC cleanup
  ARM: mvebu: move Armada 375 external abort logic as a quirk
  ARM: bcm: Fix bcm and multi_v7 defconfigs
  ARM: dts: dra7-evm: remove interrupt binding
  ARM: OMAP2+: Fix parser-bug in platform muxing code
  ARM: DTS: dra7/dra7xx-clocks: ATL related changes
  ARM: OMAP2+: drop unused function
  ARM: dts: am43x-epos-evm: Add Missing cpsw-phy-sel for am43x-epos-evm
  ARM: dts: omap5: Update CPU OPP table as per final production Manual
  ARM: DRA722: add detection of SoC information
  ARM: dts: Enable twl4030 off-idle configuration for selected omaps
  ARM: OMAP5: hwmod: Add ocp2scp3 and sata hwmods
  ARM: OMAP2+: hwmod: Change hardreset soc_ops for AM43XX
2014-07-05 16:57:12 -07:00
Sathya Prakash M R
509efaf3d1 ARM: AM43xx: hwmod: add DSS hwmod data
Add DSS hwmod data for AM43xx.

Signed-off-by: Sathya Prakash M R <sathyap@ti.com>
[tomi.valkeinen@ti.com: added missing dispc flags]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Felipe Balbi <balbi@ti.com> # on linux-next 5f295cdf5c5d
[paul@pwsan.com: fixed build break on AM43xx-only config]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-07-05 17:44:57 -06:00
Olof Johansson
5acd78c59a Fixes for omaps for issues discovered during the merge window and
enabling of a few features that had to wait for the driver
 dependencies to clear.
 
 The fixes included are:
 
 - Fix am43xx hard reset flags
 
 - Fix SoC detection for DRA722
 
 - Fix CPU OPP table for omap5
 
 - Fix legacy mux parser bug if requested muxname is a prefix of
   multiple mux entries
 
 - Fix qspi interrupt binding that relies on the irq crossbar
   that has not yet been enabled
 
 - Add missing phy_sel for am43x-epos-evm
 
 - Drop unused gic_init_irq() that is no longer needed
 
 And the enabling of features that had driver dependencies are:
 
 - Change dra7 to use Audio Tracking Logic clock instead of a fixed
   clock now that the clock driver for it has been merged
 
 - Enable off idle configuration for selected omaps as all the kernel
   dependencies for device tree based booting are finally merged as
   this is needed to get the automated PM tests working finally with
   device tree based booting
 
 - Add hwmod entry for ocp2scp3 for omap5 to get sata working as
   all the driver dependencies are now in the kernel and this patch
   fell through the cracks during the merge window
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Merge tag 'omap-for-v3.16/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Merge OMAP fixes from Tony Lindgren:

Fixes for omaps for issues discovered during the merge window and
enabling of a few features that had to wait for the driver
dependencies to clear.

The fixes included are:

- Fix am43xx hard reset flags
- Fix SoC detection for DRA722
- Fix CPU OPP table for omap5
- Fix legacy mux parser bug if requested muxname is a prefix of
  multiple mux entries
- Fix qspi interrupt binding that relies on the irq crossbar
  that has not yet been enabled
- Add missing phy_sel for am43x-epos-evm
- Drop unused gic_init_irq() that is no longer needed

And the enabling of features that had driver dependencies are:

- Change dra7 to use Audio Tracking Logic clock instead of a fixed
  clock now that the clock driver for it has been merged

- Enable off idle configuration for selected omaps as all the kernel
  dependencies for device tree based booting are finally merged as
  this is needed to get the automated PM tests working finally with
  device tree based booting

- Add hwmod entry for ocp2scp3 for omap5 to get sata working as
  all the driver dependencies are now in the kernel and this patch
  fell through the cracks during the merge window

* tag 'omap-for-v3.16/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: dra7-evm: remove interrupt binding
  ARM: OMAP2+: Fix parser-bug in platform muxing code
  ARM: DTS: dra7/dra7xx-clocks: ATL related changes
  ARM: OMAP2+: drop unused function
  ARM: dts: am43x-epos-evm: Add Missing cpsw-phy-sel for am43x-epos-evm
  ARM: dts: omap5: Update CPU OPP table as per final production Manual
  ARM: DRA722: add detection of SoC information
  ARM: dts: Enable twl4030 off-idle configuration for selected omaps
  ARM: OMAP5: hwmod: Add ocp2scp3 and sata hwmods
  ARM: OMAP2+: hwmod: Change hardreset soc_ops for AM43XX
2014-07-04 21:45:38 -07:00
Tero Kristo
ba12c24286 ARM: OMAP3: control: isolate control module init to its own function
Control module related PM initializations are now moved within control
module driver. Done in preparation to isolate the code to its own driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:21 +03:00
Tero Kristo
c2148e5930 ARM: OMAP3: PRM: move modem reset and iva2 idle to PRM driver
Done in preparation to move PRM into its own driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:20 +03:00
Tero Kristo
bbd36f9f03 ARM: OMAP3: control: add API for setting up the modem pads
This patch moves the functionality from PM core to control driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:18 +03:00
Tero Kristo
c5180a2b3e ARM: OMAP3: PRM: move PRM init code from PM core to the driver
Helps to isolate the PRM driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:17 +03:00
Tero Kristo
6bdc4b44b3 ARM: OMAP24xx: PRM: add API for clearing wakeup status bits
This helps to isolate the PRM into its own driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:16 +03:00
Tero Kristo
7e28b465fd ARM: OMAP3: PRM: add API for saving PRM scratchpad contents
This isolates the PRM register access within the PRM driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:15 +03:00
Tero Kristo
9efcea09b0 ARM: OMAP3: PRM: add API for checking and clearing cold reset status
This isolates the PRM register access within the PRM driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:14 +03:00
Tero Kristo
55c6c3ad90 ARM: OMAP3: PRM: move modem reset to PRM driver
This is a more proper isolation of the code. Done in preparation of making
PRM an individual driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:13 +03:00
Tero Kristo
9de367fae0 ARM: OMAP3: PRM: move iva reset to PRM driver
This is a more proper isolation of the code. Done in preparation of making
PRM an individual driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:11 +03:00
Tero Kristo
0efc0f6ec2 ARM: OMAP3: PRM: move prcm wakeup helper to prm driver
Done in preparation to make the prm an individual driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-04 17:02:00 +03:00
Tero Kristo
6a194a6e2a ARM: OMAP24xx: clock: remove legacy clock data
This is no longer needed as clock data is provided through DT.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-02 15:59:03 +03:00
Tero Kristo
69a1e7a1fe ARM: OMAP2: clock: use DT clock boot if available
Otherwise legacy boot clock data is used. This patch also includes the
clock data files to the base dtsi files.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-02 15:47:32 +03:00
Tero Kristo
ee200119c0 ARM: OMAP2: PRM: add support for OMAP2 specific clock providers
This patch adds support for initializing also omap2-prcm and omap2-scrm
through DT.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-02 15:06:35 +03:00
Tero Kristo
a37f05ac09 ARM: OMAP2420: clock: get rid of fixed-div property use
Cleans up the code a bit and is useful for clock data DT conversion.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-02 15:06:31 +03:00
Tero Kristo
944ee5dc15 ARM: OMAP2: convert sys_ck and osc_ck to standard clock types
osc_ck can be simply defined as a multiplexer clock, and the sys_ck
can be a simple divider.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2014-07-02 14:26:06 +03:00
Linus Torvalds
b4b664bef4 Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
 "A number of low impact fixes, the most noticable one is the thumb2
  frame pointer fix.  We also fix a regression caused during this merge
  window with ARM925 CPUs running with caches disabled, and fix a number
  of warnings"

* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
  ARM: arm925: ensure assembly sets up writethrough mapping
  ARM: perf: fix compiler warning with gcc 4.6.4 (and tidy code)
  ARM: l2c: fix dependencies on PL310 errata symbols
  ARM: 8069/1: Make thread_save_fp macro aware of THUMB2 mode
  ARM: 8068/1: scoop: Remove unused variable
2014-06-24 13:59:00 -07:00
Arnd Bergmann
3b3dab5f1c Couple of DT fixes for STi platform issues discovered on V3.16-rc1.
The fixes included are:
  - Ethernet clocks were wrongly defined for STiH415/416 platforms
  - STiH416 B2020 revision E DTS file name contained uppercase, change to
    lowercase.
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Merge tag 'sti-fixes-for-v3.16-rc1' of git://git.stlinux.com/devel/kernel/linux-sti into fixes

Merge "STi: DT fixes for v3.16" from Maxime Coquelin:

Couple of DT fixes for STi platform issues discovered on V3.16-rc1.

The fixes included are:
 - Ethernet clocks were wrongly defined for STiH415/416 platforms
 - STiH416 B2020 revision E DTS file name contained uppercase, change to
   lowercase.

* tag 'sti-fixes-for-v3.16-rc1' of git://git.stlinux.com/devel/kernel/linux-sti: (2963 commits)
  ARM: stih41x: Rename stih416-b2020-revE.dts to stih416-b2020e.dts
  ARM: STi: DT: Properly define sti-ethclk & stmmaceth for stih415/6

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-06-20 10:59:05 +02:00
Linus Torvalds
58c72f94ef ARM: SoC fixes for 3.16
A first set of bug fixes that didn't make it for the merge window, and
 two Kconfig cleanups that still make sense at this point. Unfortunately,
 one of the two cleanups caused an unintended change in the original
 version, so we had to revert one part of it and do some more testing
 to ensure the rest is really fine. There was also a last-minute
 rebase of the patches to remove another bad commit.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Arnd Bergmann:
 "A first set of bug fixes that didn't make it for the merge window, and
  two Kconfig cleanups that still make sense at this point.

  Unfortunately, one of the two cleanups caused an unintended change in
  the original version, so we had to revert one part of it and do some
  more testing to ensure the rest is really fine.  There was also a
  last-minute rebase of the patches to remove another bad commit"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: use menuconfig for sub-arch menus
  ARM: multi_v7_defconfig: re-enable SDHCI drivers
  ARM: EXYNOS: Fix compilation warning
  ARM: exynos: move sysram info to exynos.c
  ARM: dts: Specify the NAND ECC scheme explicitly on Armada 385 DB board
  ARM: dts: Specify the NAND ECC scheme explicitly on Armada 375 DB board
  ARM: exynos: cleanup kconfig option display
  misc: vexpress: fix error handling vexpress_syscfg_regmap_init()
  ARM: Remove ARCH_HAS_CPUFREQ config option
  ARM: integrator: fix section mismatch problem
  ARM: mvebu: DT: fix OpenBlocks AX3-4 RAM size
  ARM: samsung: make SAMSUNG_DMADEV optional
  remoteproc: da8xx: don't select CMA on no-MMU
  bus/arm-cci: add dependency on OF && CPU_V7
  ARM: keystone requires ARM_PATCH_PHYS_VIRT
  ARM: omap2: fix am43xx dependency on l2x0 cache
2014-06-19 17:53:20 -10:00
Russell King
a641f3a6ab ARM: l2c: fix dependencies on PL310 errata symbols
A number of configurations spit out warnings similar to:

warning: (SOC_IMX6 && SOC_VF610 && ARCH_OMAP4) selects PL310_ERRATA_588369 which has unmet direct dependencies (CACHE_L2X0)
warning: (SOC_IMX6 && SOC_VF610 && ARCH_OMAP4) selects PL310_ERRATA_727915 which has unmet direct dependencies (CACHE_L2X0)

Clean up the dependencies here:
* PL310 symbols should only be selected when CACHE_L2X0 is enabled.
* Since the cache-l2x0 code detects PL310 presence at runtime, and we will
  eventually get rid of CACHE_PL310, surround these errata options with an
  if CACHE_L2X0 conditional rather than repeating the dependency against
  each.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-06-19 11:29:28 +01:00
Rob Herring
21278aeafb ARM: use menuconfig for sub-arch menus
The System Type menu is getting quite long with platforms and is
inconsistent in handling of sub-arch specific options. Tidy up the menu
by making platform options a menuconfig entry containing any platform
specific config items.

[arnd: change OMAP part according to suggestion from
 Tony Lindgren <tony@atomide.com>]

Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-06-17 17:09:48 +02:00
Stephen Boyd
19682f72f5 ARM: Remove ARCH_HAS_CPUFREQ config option
This config exists entirely to hide the cpufreq menu from the
kernel configuration unless a platform has selected it. Nothing
is actually built if this config is 'Y' and it just leads to more
patches that add a select under a platform Kconfig so that some
other CPUfreq option can be chosen. Let's remove the option so
that we can always enable CPUfreq drivers on ARM platforms.

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-06-17 17:09:39 +02:00
Arnd Bergmann
2ad501cc1d ARM: omap2: fix am43xx dependency on l2x0 cache
Commit d941f86fad41b ("ARM: l2c: AM43x: add L2 cache support") enabled
the L2 cache support for the am43xx SoC, but caused a build regression
when the driver for that cache controller is disabled:

arch/arm/mach-omap2/built-in.o: In function `am43xx_init_early':
:(.init.text+0xb20): undefined reference to `omap_l2_cache_init'

This did not happen for OMAP4, which has the same call, but enables
the l2x0 driver unconditionally. We could do the same thing for
am43xx, but it seems better to allow turning it off and make the
code work in either case.

This adds an inline wrapper for omap_l2_cache_init for the disabled
case, and removes the 'select' from OMAP4 so it becomes a user
visible option.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: linux-omap@vger.kernel.org
2014-06-17 17:09:14 +02:00
David R. Piegdon
c021f241f4 ARM: OMAP2+: Fix parser-bug in platform muxing code
Fix a parser-bug in the omap2 muxing code where muxtable-entries will be
wrongly selected if the requested muxname is a *prefix* of their
m0-entry and they have a matching mN-entry. Fix by additionally checking
that the length of the m0_entry is equal.

For example muxing of "dss_data2.dss_data2" on omap32xx will fail
because the prefix "dss_data2" will match the mux-entries "dss_data2" as
well as "dss_data20", with the suffix "dss_data2" matching m0 (for
dss_data2) and m4 (for dss_data20). Thus both are recognized as signal
path candidates:

Relevant muxentries from mux34xx.c:
        _OMAP3_MUXENTRY(DSS_DATA20, 90,
                "dss_data20", NULL, "mcspi3_somi", "dss_data2",
                "gpio_90", NULL, NULL, "safe_mode"),
        _OMAP3_MUXENTRY(DSS_DATA2, 72,
                "dss_data2", NULL, NULL, NULL,
                "gpio_72", NULL, NULL, "safe_mode"),

This will result in a failure to mux the pin at all:

 _omap_mux_get_by_name: Multiple signal paths (2) for dss_data2.dss_data2

Patch should apply to linus' latest master down to rather old linux-2.6
trees.

Signed-off-by: David R. Piegdon <lkml@p23q.org>
Cc: stable@vger.kernel.org
[tony@atomide.com: updated description to include full description]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-06-17 01:05:43 -07:00