Commit Graph

24 Commits

Author SHA1 Message Date
Alexander A. Klimov 3aa36fdd30 ARM: OMAP2+: PRM: Replace HTTP links with HTTPS ones
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `\bxmlns\b`:
        For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
	  If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
            If both the HTTP and HTTPS versions
            return 200 OK and serve the same content:
              Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-08-19 10:05:33 +03:00
Russ Dill 485995b09b ARM: OMAP2+: Add functions to save and restore powerdomain context
The powerdomain control registers are stored in the WKUP powerdomain on
AM33XX/AM43XX, which is lost on RTC-only suspend and also hibernate. This
adds context save and restore functions for those registers.
Sometimes the powerdomain state does not need to change,
perhaps we only need to change memory retention states, so make
sure the restored state is different from the current state before we wait
for a transition.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Russ Dill <Russ.Dill@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2018-05-18 06:56:26 -07:00
Keerthy b6d6af7226 ARM: AM33xx: PRM: Remove am33xx_pwrdm_read_prev_pwrst function
Referring TRM Am335X series:
http://www.ti.com/lit/ug/spruh73p/spruh73p.pdf

The LastPowerStateEntered bitfield is present only for PM_CEFUSE
domain. This is not present in any of the other power domains. Hence
remove the generic am33xx_pwrdm_read_prev_pwrst hook which wrongly
reads the reserved bit fields for all the other power domains.

Reading the reserved bits leads to wrongly interpreting the low
power transitions for various power domains that do not have the
LastPowerStateEntered field. The pm debug counters values are wrong
currently as we are incrementing them based on the reserved bits.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-11-28 07:03:26 -08:00
Tero Kristo 9012933671 ARM: OMAP2+: PRCM: store also physical addresses for instances
In some cases the physical address info is needed, so store this
under the existing cm*_base, prm_base and prcm_mpu_base variables.
These are converted now to structs that contain both virtual and
physical address base for the instance.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-06-06 00:13:51 -07:00
Tero Kristo ab7b2ffcf5 ARM: OMAP2+: PRM: move SoC specific init calls within a generic API
This gets rid of need for some exported driver APIs, and simplifies the
initialization of the PRM driver. Done in preparation to make PRM a
separate driver. The init data is now also passed to the SoC specific
implementations, allowing future expansion to add feature flags etc.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-31 21:26:36 +03:00
Tero Kristo ae521d4d9c ARM: OMAP2+: PRM: determine PRM base address from device tree
There is no need to provide the PRM base address through a low-level API
from the low-level IO init, as this information is available through DT.
Re-routed the parsing function to be called from the PRM drivers also to
simplify the implementation under io.c.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
2015-03-27 10:55:58 +02:00
Tero Kristo 61c8621e2b ARM: OMAP2+: PRM: provide generic API for system reset
This patch combines the various prm_warm_reset calls under a common
API prm_reset_system, and adds the SoC specific implementation under
prm_ll_data.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:26 -07:00
Tero Kristo 85d6670f1b ARM: AM33xx: PRM: make direct register access functions static
These should not be accessed outside driver, thus removed the APIs
from the header file and made the implementation static.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:25 -07:00
Tero Kristo 840b7eb834 ARM: AM33xx: PRM: move global warm reset implementation to driver
Moved the implementation from am33xx-restart.c to the prm33xx.c file to
isolate the PRM register accesses to be private for PRM driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:25 -07:00
Tero Kristo 1bc28b3472 ARM: OMAP2+: PRM: add generic API for checking hardreset status
PRM driver now has a generic API for checking hardreset status. SoC
specific support functions are registered through the prm_ll_data.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:25 -07:00
Tero Kristo 37fb59d7e0 ARM: OMAP2+: PRM: add generic API for deasserting hardware reset
PRM driver now has a generic API for deasserting hardware resets. SoC
specific support functions are registered through the prm_ll_data.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:25 -07:00
Tero Kristo efd44dc35f ARM: OMAP2+: PRM: add generic API for asserting hardware reset
PRM driver now has a generic API for asserting hardware resets. SoC
specific support functions are registered through the prm_ll_data.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:24 -07:00
Tero Kristo d9bbe84f67 ARM: AM33xx: PRM: add support for prm_init
Added support for prm_init for AM33xx SoC. This is needed to register
SoC specific prm_ll_data for these devices.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-10-27 08:39:24 -07:00
Tony Lindgren ea351c1603 Some OMAP PRCM cleanup patches. These help prepare to convert the PRCM
code into drivers.
 
 Basic build, boot, and PM test results are available here:
 
 http://www.pwsan.com/omap/testlogs/prcm-cleanup-v3.16/20140515213244/
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABAgAGBQJTdZbbAAoJEMePsQ0LvSpLql4P/2pktswM4PLcmGVlS9AUiH25
 +lT8ctTHUAS3n7hBSmZQCPWE/4hAsx7UDGUDTT3t6ASIHxAUsx0/RQ4/RTZQ7ZJZ
 3cGUS5Y43v6n1RCP4Ruvs3R7yOamQWVCX2WR4cH0OlwfF2YVfeUDlJIJ0bK0/p5g
 appCjso1mxl1VrnHSLGtFLPxuVRDDEUZFa/AIomwsHabZTZcg5KuIEZs/K828CGt
 yd8ltx1gZIpJQb8j85ulVWMNeT93I9uNGcAxJcgwWWgqhkr1uZ/Rudl3F+bXkQhd
 NTfdI5b9IP+hdJAy47X3LQ6Nj9MKmGClyGdKkj8D6l0mqsC7XwcFEpQHh1XVlXp8
 pTV34MZ/hV54eRpoL6ggS06/Yw/9UYOaTR+O2v2w5SNwUdB9ghvKpF2go1sT8aiZ
 79M+a05DxwENww7/9ybN7Fxcvb4+5NMmvOH8EeENfsRJVkPXkj8Y/9GaicOdbpkg
 sAHKnpWrLRBMlUIEthoI5CT5I2goHBIN754BUnK+EoPsYutGTPH9WkDMJJJ3ZBTt
 Jc6krR7QZWfDyraSUiweq9g0b1+2mqp2dG8x9m4klGwyifCtnnNERDRf+eINwAZ3
 o9sSjJyijE9eZudLdP3Q9cdTIj5P4moWsn6SqTpkmHDvAPxsZnkrzVa7LVKV2fy3
 Q3R2Cc7IoOjFDwxb3FFA
 =3vOc
 -----END PGP SIGNATURE-----

Merge tag 'for-v3.16/prcm-cleanup-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.16/prcm

Some OMAP PRCM cleanup patches.  These help prepare to convert the PRCM
code into drivers.

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

http://www.pwsan.com/omap/testlogs/prcm-cleanup-v3.16/20140515213244/

Conflicts:
	arch/arm/mach-omap2/cm3xxx.c
	arch/arm/mach-omap2/cm44xx.c

Also fixed up new section mismatch warnings.
2014-05-16 15:26:22 -07:00
Tero Kristo 4794208c5b ARM: OMAP2+: PRCM: cleanup some header includes
Some of the includes are totally unnecessary, remove some others in
preparation to make the PRCM its own driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
[paul@pwsan.com: updated to apply; fixed build error on OMAP2xxx-only configs]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-05-15 22:34:48 -06:00
Victor Kamensky edfaf05c2f ARM: OMAP2+: raw read and write endian fix
All OMAP IP blocks expect LE data, but CPU may operate in BE mode.
Need to use endian neutral functions to read/write h/w registers.
I.e instead of __raw_read[lw] and __raw_write[lw] functions code
need to use read[lw]_relaxed and write[lw]_relaxed functions.
If the first simply reads/writes register, the second will byteswap
it if host operates in BE mode.

Changes are trivial sed like replacement of __raw_xxx functions
with xxx_relaxed variant.

Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Signed-off-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-05-08 07:09:53 -07:00
Rajendra Nayak 63b0420c85 ARM: AM33xx: Remove the unused voltagedomain data
Now that there is a way to tell the powerdomain core about
missing voltage domain auto-scaling control in SoCs', get rid of the dummy
voltage domain data populated for AM33xx devices.

Acked-by: Nishanth Menon <nm@ti.com>
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Afzal Mohammed <afzal@ti.com> # am335x evm
Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-06-17 07:26:44 -07:00
Vaibhav Bedia 3c06f1b8c3 ARM: OMAP2+: AM33XX: Update the hardreset API
WKUP-M3 has a reset status bit (RM_WKUP_STST.WKUP_M3_LRST)
Update the hardreset API to ensure that the reset line properly
deasserted.

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-02-08 07:25:28 -07:00
Arnd Bergmann 65829ef5a0 These changes deal with the issues of relative includes
introduced by the earlier clean-up and clean up few more
 things for enabling multiplatform support.
 
 The multiplatform kernel has been booted on omaps on
 top of this branch with the work-in-progress patches
 applied manually.
 
 We cannot yet enable the multiplatform support though.
 We still need the common clock framework patches, some
 solution for dma-omap.h, and serial-omap.h moved before
 we can enable it.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.12 (GNU/Linux)
 
 iQIcBAABAgAGBQJQmaU8AAoJEBvUPslcq6VzbfcQAOEIQpv2zQz68euDDkCndBcG
 rVjDIyAM/wgbxgdqK66FQvCZefQhSUBimBmjqagVwRh/2lIDZOfhIS98N5eMbJEQ
 3UJUuOAPJQLmwR4zyKgbi/hdWZDEjnYvMJEmVSeSpXSmRO844ggtc9F2K22ouQ5m
 CJ0WZE6p55v25bMLDETudLlzCfhrSGiApwV09IUxFAd9va7UeXibYt83oh1A6joo
 U0i6sGbMgxR3uLi/7q7Wlm6dbCVU5N8+EtJ2L/tkoAQDHb+iLmkC8n3N3KPBkrEu
 KpS7o3zuCDS3X6m8bD4w1j8WVeNX3ERA9avWMSBpfTQQcj0OvTPZixe7KC9WwT/4
 nI0bAKQ/JWmFV+Ibo5jtVS151XeEG6ggap6aa+F3wYpkORY+jWcX0djW+1NDwScB
 nGDcRI1n15jogoJJC9SB5wFW7K3wgi6Sb3Mo7nvNVvvQcHXpxiadujPP+tiHm7mn
 mDoMJYHa0oI9jlWPSrAC5E8rfSR1NYRv7A5BLkakGXErEED+MByJ84PR3q4xDivx
 B58HgsXTbJkQQug6o5yFK2vCKQW1Vsi0cdKrm3kY1JuLLfNMXbPFpAihxoLZ9Rp5
 oDTdPpslgdEMMvg346q7XLFYiG9F5Zoz60MaUpYBa5EsmA16WB2ZT0t5bLIpxglx
 0duNMqDZYsBrKc3aYjw3
 =8Nz+
 -----END PGP SIGNATURE-----

Merge tag 'omap-for-v3.8/cleanup-headers-prepare-multiplatform-v3-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/headers

From Tony Lindgren <tony@atomide.com>:

These changes deal with the issues of relative includes
introduced by the earlier clean-up and clean up few more
things for enabling multiplatform support.

The multiplatform kernel has been booted on omaps on
top of this branch with the work-in-progress patches
applied manually.

We cannot yet enable the multiplatform support though.
We still need the common clock framework patches, some
solution for dma-omap.h, and serial-omap.h moved before
we can enable it.

* tag 'omap-for-v3.8/cleanup-headers-prepare-multiplatform-v3-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: Remove omap_init_consistent_dma_size()
  ARM: OMAP: Remove NEED_MACH_GPIO_H
  ARM: OMAP: Remove unnecessary mach and plat includes
  ARM: OMAP2+: Fix relative includes for serial.h
  ARM: OMAP: Fix relative includes for fpga.h
  ARM: OMAP1: Remove relative includes
  ARM: OMAP: Remove cpu_is_omap usage from plat-omap/dma.c
  ARM: OMAP: Fix relative includes for debug-devices.h
  ARM: OMAP: Remove plat-omap/common.h
  ARM: OMAP: Move omap-pm-noop.c local to mach-omap2
  ARM: OMAP: Fix relative includes for shared i2c.h file
  ARM: OMAP: Make plat-omap/i2c.c port checks local
  ARM: OMAP: Move omap2+ specific parts of sram.c to mach-omap2
  ARM: OMAP: Move omap1 specific code to local sram.c
  ARM: OMAP: Introduce common omap_map_sram() and omap_sram_reset()
  ARM: OMAP: Split sram.h to local headers and minimal shared header
  ARM: OMAP1: usb: fix sparse warnings

Conflicts:
	arch/arm/mach-omap2/cm33xx.c

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-11-12 22:53:22 +01:00
Tony Lindgren 5c2e88525b ARM: OMAP: Remove plat-omap/common.h
Most of the prototypes in plat-omap/common.h are not
common to omap1 and omap2+, they are local to omap2+
and should not be in plat-omap/common.h.

The only shared function prototype in this file is
omap_init_clocksource_32k(), let's put that into
counter-32k.h.

Note that the new plat/counter-32k.h must not be
included from drivers, that will break omap2+ build
for CONFIG_MULTIPLATFORM.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-31 15:37:13 -07:00
Tony Lindgren 8634155ef4 The first set of OMAP PRM/CM-related cleanup patches for 3.8.
Prepares for the future move of the PRM/CM code to drivers/.  Also
 includes some prcm.[ch] cleanup patches from the WDTIMER cleanup
 series that don't need external acks.
 
 Basic test logs for this branch on top of v3.7-rc2 are here:
 
 http://www.pwsan.com/omap/testlogs/prcm_cleanup_a_3.8/20121021123719/
 
 But due to the number of unrelated regressions present in v3.7-rc[12],
 it's not particularly usable as a testing base.  With reverts, fixes,
 and workarounds applied as documented in:
 
 http://www.pwsan.com/omap/testlogs/test_v3.7-rc2/20121020134755/README.txt
 
 the following test logs were obtained:
 
 http://www.pwsan.com/omap/testlogs/prcm_cleanup_a_3.8/20121020231757/
 
 which indicate that the series tests cleanly.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.12 (GNU/Linux)
 
 iQIcBAABAgAGBQJQhEVeAAoJEMePsQ0LvSpLXMAP/R823zHuhSBsFYTAzoLpOsBu
 1btfoXY+aTh/ZYQpn2zqbseHyBVoN7JuBNFA25UlgCIB/+tL2o+B62HQE3c31HZi
 zrOlUrSvIl7zYTLhbu8rezULSYGO3RHqtUGLJ9/RUV3su8zIATmHKgzA1f/aYH9x
 2OKVIijXjvK4kKRpHhg8BGlD6stbuFDJbmik2/wgcO+159lKY6ZTRnHsj6PgZVIO
 BjbxpBujLYVBhJRJP0NNLVtGToGK54GvnHZxfVCu9oJ87n2amgaP6RHHHfEX0eMJ
 K65toYNIzZEmMahnazCcsiB+xK2Y2iiSZdOMPhH0FspCPTKTUl+czOlMGq7oyHmU
 xVmDyVHOVd5JRt5d985VlVScDrye06GxjWri557eeGcvOyQrlhJSntjdL2RZZaiu
 bpIhT1PRo8hqxtajcZlqBT7jSaH8kxQIQRXgGqJzY9iYLfUGU6DU7WYoqQTrrev7
 aCZG8SnDbmltXMvhw13owDzy8xpdssCFaT8Fbxaxa6jq1GF1xyfEucDZDQPlZZd7
 vbhdjYCBMiFcgJ3xWAmivboLPR1r5nZQdpwuYJTqoIvuJutB8Y0dJza7Dm0DGehc
 uJw/K/L/2qBdlOatFU4nk1c4AoTXZ+zn+ZVziTFus6ajhdB46C0i/vMLAXF68aDQ
 23ow9fKjRsuHfKqjfzMP
 =asxx
 -----END PGP SIGNATURE-----

Merge tag 'omap-cleanup-a-for-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.8/cleanup-prcm

The first set of OMAP PRM/CM-related cleanup patches for 3.8.
Prepares for the future move of the PRM/CM code to drivers/.  Also
includes some prcm.[ch] cleanup patches from the WDTIMER cleanup
series that don't need external acks.

Basic test logs for this branch on top of v3.7-rc2 are here:

http://www.pwsan.com/omap/testlogs/prcm_cleanup_a_3.8/20121021123719/

But due to the number of unrelated regressions present in v3.7-rc[12],
it's not particularly usable as a testing base.  With reverts, fixes,
and workarounds applied as documented in:

http://www.pwsan.com/omap/testlogs/test_v3.7-rc2/20121020134755/README.txt

the following test logs were obtained:

http://www.pwsan.com/omap/testlogs/prcm_cleanup_a_3.8/20121020231757/

which indicate that the series tests cleanly.

Conflicts:
	arch/arm/mach-omap2/Makefile
	arch/arm/mach-omap2/clockdomain2xxx_3xxx.c
	arch/arm/mach-omap2/pm24xx.c
2012-10-24 17:05:59 -07:00
Paul Walmsley 498153995b ARM: OMAP2+: powerdomain/PRM: move the low-level powerdomain functions into PRM
Move the low-level SoC-specific powerdomain control functions into
prm*.c.  For example, OMAP2xxx low-level powerdomain functions go into
prm2xxx.c.  Then remove the unnecessary powerdomain*xxx*.c files.

The objective is to centralize low-level PRM register accesses into
the prm*.[ch] files, and then to export an OMAP SoC-independent API to
higher-level OMAP power management code.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Reviewed-by: Russ Dill <Russ.Dill@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
2012-10-21 01:01:10 -06:00
Tony Lindgren e6a6e5ad17 ARM: OMAP: Make plat/common.h local to mach-omap1 and mach-omap2
We cannot keep this in plat/common.h for common zImage support.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-17 11:58:54 -07:00
Vaibhav Hiremath ddd04b989f ARM: OMAP AM33xx: PRM: add PRM support
As far as PRM/CM/PRCM modules are concerned, AM33XX device is
different than OMAP3 and OMAP4 architectures; so we need to handle it
separately.  This patch adds support for the PRM APIs required for
AM33XX device.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: separated the PRM parts of "ARM: OMAP3+: am33xx: Add
 powerdomain & PRM support" into this patch; fixed Makefile prm33xx.o
 location; cleaned up some checkpatch violations; updated for 3.5]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
2012-06-18 12:08:06 -06:00