New or improved SoC support:
- Addition of support for Atmel's SAMA5D2 SoC
- Addition of Freescale i.MX6UL
- Improved support of TI's DM814x platform
- Misc fixes and improvements for RockChip platforms
- Marvell MVEBU suspend/resume support
A few driver changes that ideally would belong in the drivers branch are
also here (acked by appropriate maintainers):
- Power key input driver for Freescale platforms (svns)
- RTC driver updates for Freescale platforms (svns/mxc)
- Clk fixes for TI DM814/816X
+ a bunch of other changes for various platforms
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"New or improved SoC support:
- add support for Atmel's SAMA5D2 SoC
- add support for Freescale i.MX6UL
- improved support for TI's DM814x platform
- misc fixes and improvements for RockChip platforms
- Marvell MVEBU suspend/resume support
A few driver changes that ideally would belong in the drivers branch
are also here (acked by appropriate maintainers):
- power key input driver for Freescale platforms (svns)
- RTC driver updates for Freescale platforms (svns/mxc)
- clk fixes for TI DM814/816X
+ a bunch of other changes for various platforms"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
ARM: rockchip: pm: Fix PTR_ERR() argument
ARM: imx: mach-imx6ul: Fix allmodconfig build
clk: ti: fix for definition movement
ARM: uniphier: drop v7_invalidate_l1 call at secondary entry
memory: kill off set_irq_flags usage
rtc: snvs: select option REGMAP_MMIO
ARM: brcmstb: select ARCH_DMA_ADDR_T_64BIT for LPAE
ARM: BCM: Enable ARM erratum 798181 for BRCMSTB
ARM: OMAP2+: Fix power domain operations regression caused by 81xx
ARM: rockchip: enable PMU_GPIOINT_WAKEUP_EN when entering shallow suspend
ARM: rockchip: set correct stabilization thresholds in suspend
ARM: rockchip: rename osc_switch_to_32k variable
ARM: imx6ul: add fec MAC refrence clock and phy fixup init
ARM: imx6ul: add fec bits to GPR syscon definition
rtc: mxc: add support of device tree
dt-binding: document the binding for mxc rtc
rtc: mxc: use a second rtc clock
ARM: davinci: cp_intc: use IRQCHIP_SKIP_SET_WAKE instead of irq_set_wake callback
soc: mediatek: Fix SCPSYS compilation
ARM: at91/soc: add basic support for new sama5d2 SoC
...
A large cleanup branch this release, with a healthy 10k negative line delta.
Most of this is removal of legacy (non-DT) support of shmobile
platforms. There is also removal of two non-DT platforms on OMAP,
and the plat-samsung directory is cleaned out by moving most of the
previously shared-location-but-not-actually-shared files from there to
the appropriate mach directories instead.
There are other sets of changes in here as well:
- Rob Herring removed use of set_irq_flags under all platforms and
moved to genirq alternatives
- A series of timer API conversions to set-state interface
- ep93xx, nomadik and ux500 cleanups from Linus Walleij
- __init annotation fixes from Nicolas Pitre
+ a bunch of other changes that all add up to a nice set of cleanups
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"A large cleanup branch this release, with a healthy 10k negative line
delta.
Most of this is removal of legacy (non-DT) support of shmobile
platforms. There is also removal of two non-DT platforms on OMAP, and
the plat-samsung directory is cleaned out by moving most of the
previously shared-location-but-not-actually-shared files from there to
the appropriate mach directories instead.
There are other sets of changes in here as well:
- Rob Herring removed use of set_irq_flags under all platforms and
moved to genirq alternatives
- a series of timer API conversions to set-state interface
- ep93xx, nomadik and ux500 cleanups from Linus Walleij
- __init annotation fixes from Nicolas Pitre
+ a bunch of other changes that all add up to a nice set of cleanups"
* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (108 commits)
ARM/fb: ep93xx: switch framebuffer to use modedb only
ARM: gemini: Setup timer3 as free running timer
ARM: gemini: Use timer1 for clockevent
ARM: gemini: Add missing register definitions for gemini timer
ARM: ep93xx/timer: Migrate to new 'set-state' interface
ARM: nomadik: push accelerometer down to boards
ARM: nomadik: move l2x0 setup to device tree
ARM: nomadik: selectively enable UART0 on boards
ARM: nomadik: move hog code to use DT hogs
ARM: shmobile: Fix mismerges
ARM: ux500: simplify secondary CPU boot
ARM: SAMSUNG: remove keypad-core header in plat-samsung
ARM: SAMSUNG: local watchdog-reset header in mach-s3c64xx
ARM: SAMSUNG: local onenand-core header in mach-s3c64xx
ARM: SAMSUNG: local irq-uart header in mach-s3c64xx
ARM: SAMSUNG: local backlight header in mach-s3c64xx
ARM: SAMSUNG: local ata-core header in mach-s3c64xx
ARM: SAMSUNG: local regs-usb-hsotg-phy header in mach-s3c64xx
ARM: SAMSUNG: local spi-core header in mach-s3c24xx
ARM: SAMSUNG: local nand-core header in mach-s3c24xx
...
Add Kconfig entries, header file changes and addition to the documentation.
The early debug infrastructure is also added for easy development.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Init data marked const should be annotated with __initconst for
correctness and not __initdata. In some cases the array gathering
references to that data has to be marked const as well. This fixes
LTO builds that otherwise fail with section mismatch errors.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
This file doesn't use the clk provider APIs. Remove the include.
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
To be consistent with other genalloc interface namings, rename
dev_get_gen_pool() to gen_pool_get(). The original omitted "dev_" prefix
is removed, since it points to argument type of the function, and so it
does not bring any useful information.
[akpm@linux-foundation.org: update arch/arm/mach-socfpga/pm.c]
Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Mark Brown <broonie@kernel.org>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Alan Tull <atull@opensource.altera.com>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Kevin Hilman <khilman@linaro.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Makefile.boot is not used anymore, remove it.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Use the defines from atmel-mc.h instead of at91rm9200_sdramc.h
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
sam9_smc.c has no users anymore, remove it along with both sam9_smc.h and
mach/at91sam9_smc.h
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
- 1 issues revealed by the kbuild test robot fixed
- move of some functions and macros into relevant files to be able to
streamline the at91 specific header afterwards
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Merge tag 'at91-cleanup4_bis' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/multiplatform
Pull "Fourth batch of cleanup for 4.1" from Nicolas Ferre:
- 1 issues revealed by the kbuild test robot fixed
- move of some functions and macros into relevant files to be able to
streamline the at91 specific header afterwards
* tag 'at91-cleanup4_bis' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
ARM: at91/pm: move AT91_MEMCTRL_* to pm.h
ARM: at91/pm: move the standby functions to pm.c
ARM: at91: fix pm_suspend.S compilation when ARMv6 is selected
the AT91_MEMCTRL_* defines are only used by the pm code, move them to pm.h
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
The standby functions are now only used in pm.c, move them there.
Also, they are not inlined as a pointer to those functions is passed to the
cpuidle driver.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
When compiling for multiplatform for both ARMv6 and ARMv7, the default compiler
flags are for ARMv6, and results in:
arch/arm/mach-at91/pm_suspend.S:144: Error: selected processor does not support ARM mode `dsb'
Enforce ARMv7 flags for pm_suspend.o when CPU_V7 is selected.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
When building a legacy (non-multi) platforms and if the ARCH_AT91 config option
is enabled there is a build error. We need AT91 to depend on multi-platform
core type options.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Drop AT91_TIMER_HZ as this can be handled using HZ_FIXED. Initial help message
was:
On AT91rm9200 chips where you're using a system clock derived
from the 32768 Hz hardware clock, this tick rate should divide
it exactly: use a power-of-two value, such as 128 or 256, to
reduce timing errors caused by rounding.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
hardware.h is now mostyl unused, move the remaining declarations to pm.c and
remove it.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Remove the now useless SoC headers.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
mach/cpu.h is not used anymore, remove it.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Following the switch to multiplatform, uncompress.h is not used anymore. Remove
it.
at91_dbgu.h is also not used anymore
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Switch AT91 to multiplatform as all SoCs are properly handled.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Both drivers using the system timer are now converted to an MFD. mach/at91_st.h
is now useless.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Import at91rm9200_time.c from mach-at91 as timer-atmel-st.c. Further cleanup is
required to get rid of the mach-at91 headers.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Use clocksource_of_init to initialize the system timer instead of relying on a
custom function.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Now that a proper driver is available, remove at91rm9200_restart.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
The old setup is not used anymore, remove it
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
All the peripheral remapped at io_map are taken care of by their respective
drivers.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Use the soc detection infrastructure for sama5 initialization.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Use the soc detection infrastructure for at91sam9 initialization.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Use the soc detection infrastructure for at91rm9200 initialization.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
The matrix headers are not used anymore, remove them.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
at91_ioremap_matrix and the at91_matrix.h header are not used anymore, remove
them.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
The mach/io.h header on at91 is used to support a nonstandard I/O space
window for the cf card driver. This changes the driver to use pci_ioremap_io
in order to have the standard location, and then removes the custom
mach/io.h.
[alexandre.belloni@free-electrons.com: Added PCI dependency]
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Flush data cache, and clean, invalidate and disable the L2 cache before going to suspend.
Restore the L2 cache configuration and re-enable the L2 cache after waking up.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Tested-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Add the WFI instruction to make the cpu to the idle state.
In the meanwhile, disable the processor's clock.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Tested-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Because the standby mode use the same sram function as the suspend to memory
mode, void (*at91_pm_standby)(void) doesn't need, remove it.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Tested-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
As the file name is renamed, rename the function name at91_slow_clock()
--> at91_pm_suspend_sram_fn(), rename the function handler's name at the
same time.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Tested-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
[nicolas.ferre@atmel.com: little update of the commit message]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Because the sram function is used for both suspend to memory and the suspend
to standby mode, renaming is more elegant.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Tested-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
To simply the PM code, the suspend to standby mode uses same sram function
as the suspend to memory mode, running in the internal SRAM, instead of the
respective code for each mode.
For the suspend to standby mode, the master clock doesn't switch to the slow
clock, and PLLA and the main oscillator doesn't turn off as well.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Tested-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
To decrease the suspend time, move copying the sram function to the sram
initialization phase, instead of every time go to suspend.
In the meanwhile, substitute fncpy() for memcpy().
If there is no sram allocated for PM, the PM is not supported.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Tested-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
To decrease the duplicated code, create the procedure
to contain both activing and exiting the sdram self-refresh mode.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Tested-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Assume USB PLL and PLL B are already stopped before entering sleep mode.
Removed PLL B from slow clock code, all drivers are supposed to properly
unprepare clocks.
Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Acked-by: Wenyou.Yang <wenyou.yang@atmel.com>
[nicolas.ferre@atmel.com: remove the warning printed in pm.c]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
The slow clock always exists, selecting CONFIG_AT91_SLOW_CLOCK config
is unnecessary for the suspend to memory mode.
For this mode the master clock should always switch to the slow clock.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Tested-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
To simply the PM config the CONFIG_AT91_SLOW_CLOCK option will be removed,
so move "select SRAM" from under AT91_SLOW_CLOCK, add "select SRAM if PM"
under SOC_AT91SAM9 and SOC_SAMA5
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Tested-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
The SLOWDOWN_MASTER_CLOCK definition is not used, remove the redundant code.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Tested-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Since at91_pm_set_standby() will not be used out of the pm.c file,
change its attribute from extern to static, remove its declaration as well.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Commit 2b0ba96cea ("net: phy: micrel: disable NAND-tree for KSZ8021,
KSZ8031, KSZ8051, KSZ8081") automated the NAND-tree mode deactivation
process, thus making this phy fixup useless.
Remove it along with the associated headers inclusion.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
[nicolas.ferre@atmel.com: remove selection of PHYLIB in at91 Kconfig]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
When compiling the kernel in thumb2 (CONFIG_THUMB2_KERNEL option activated), we
hit a compilation crash. The error message is listed below:
---8< -----
Error: cannot use register index with PC-relative addressing -- `str r0,.saved_lpr'
--->8----
Add the .arm directive in the assembly files related to power management.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Because writing the MOR register requires the PASSWD(0x37),
if missed, the write operation will be aborted.
Signed-off-by: Patrice Vilchez <patrice.vilchez@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
On some platforms, there are multiple SRAM nodes defined in the device tree but
some of them are disabled, leading to allocation failure. Try to find the first
enabled SRAM node and allocate from it.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Tested-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
at91rm9200 standby and suspend to ram has been broken since
00482a4078. It is wrongly using AT91_BASE_SYS which is a physical address
and actually doesn't correspond to any register on at91rm9200.
Use the correct at91_ramc_base[0] instead.
Fixes: 00482a4078 (ARM: at91: implement the standby function for pm/cpuidle)
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
The DDRSDR controller fails miserably to put LPDDR1 memories in
self-refresh. Force the controller to think it has DDR2 memories
during the self-refresh period, as the DDR2 self-refresh spec is
equivalent to LPDDR1, and is correctly implemented in the
controller.
Assume that the second controller has the same fault, but that is
untested.
Signed-off-by: Peter Rosin <peda@axentia.se>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Removed timeout on XTAL, PLL lock and Master Clock Ready, hang if
something went wrong instead of continuing in unknown condition. There
is not much we can do if a PLL lock never ends, we are running in SRAM
and we will not be able to connect back the sdram or ddram in order to
be able to fire up a message or just panic.
As a bonus, not decounting the timeout register in slow clock mode
reduce cumulated suspend time and resume time from ~17ms to ~15ms.
Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Acked-by: Wenyou.Yang <wenyou.yang@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
of_device_ids (i.e. compatible strings and the respective data) are not
supposed to change at runtime. All functions working with of_device_ids
provided by <linux/of.h> work with const of_device_ids. So mark the
non-const structs in arch/arm as const, too.
While at it also add some __initconst annotations.
Acked-by: Jason Cooper <jason@lakedameon.net>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Commit 20e783e39e ("ARM: 8296/1: cache-l2x0: clean up aurora cache
handling") removed the only user of the Kconfig symbol CACHE_PL310.
Setting CACHE_PL310 is now pointless. Remove its Kconfig entry, and one
select of this symbol.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
In a recent rearrangement of the at91 pm initialization code, a broken
set of declarations was added for the !CONFIG_PM-case, leading to
this link error:
arch/arm/mach-at91/board-dt-sama5.o: In function `at91_rm9200_pm_init':
arch/arm/mach-at91/generic.h:40: multiple definition of `at91_rm9200_pm_init'
arch/arm/mach-at91/setup.o:arch/arm/mach-at91/generic.h:40: first defined here
arch/arm/mach-at91/board-dt-sama5.o: In function `at91_sam9260_pm_init':
arch/arm/mach-at91/generic.h:41: multiple definition of `at91_sam9260_pm_init'
arch/arm/mach-at91/setup.o:arch/arm/mach-at91/generic.h:41: first defined here
arch/arm/mach-at91/board-dt-sama5.o: In function `at91_sam9g45_pm_init':
arch/arm/mach-at91/generic.h:42: multiple definition of `at91_sam9g45_pm_init'
arch/arm/mach-at91/setup.o:arch/arm/mach-at91/generic.h:42: first defined here
This adds the missing 'static inline' to the declarations to avoid
creating a copy of the functions in each file that includes the
header.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 4db0ba22da ("ARM: at91: pm: prepare for multiplatform")
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Remove the string "(Device Tree)" after the machine name because all AT91
machines use the DT nowadays.
Also change some function names to unify following the convention:
- at91sam9xxx aren't named sam9, 9xxx but with the full name
- sama5 are the ones that don't have the at91 prefix anymore.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Move the ramc initialization to pm.c as it is the only user left.
This allows us to get rid of at91_dt_initialize() that was the only one called
by the init_early() function pointer of struct machine_desc.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
[nicolas.ferre@atmel.com: adapt patch to newer series]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
As board files are now DT only and can address all aspects of the SoC family,
we can rename them so that the mach-at91 directory looks cleaner.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
at91_boot_soc and at91_init_soc structures are not used by any SoC, remove
their use. Also remove all the now empty SoC files.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
[nicolas.ferre@atmel.com: different organization of the patches]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
For sama5d4, remove an indirection and the remaining need for at91_boot_soc
structure.
This will allow further cleanup.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Only use SOC_AT91SAM9 for all the at91sam9 SoCs. It removes all the empty
at91sam9xxx.c SoC files. It also removes the useless at91_init_soc affectation
procedure and its "init" function pointer.
Only the SoC detection and display are kept for the at91sam9:
at91_soc_is_enabled() and at91_boot_soc.map_io() function calls are also
removed.
It enables HAVE_AT91_SMD and HAVE_AT91_UTMI for all the sam9 SoCs but this only
represents 96 bytes of uncompressed kernel code.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
[nicolas.ferre@atmel.com: different organization of the patches]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Setup arm_pm_idle and arm_pm_restart function pointers from
rm9200_dt_device_init() function to simplify the at91rm9200 initialization
process.
This same move is already done for the sam9s.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
[nicolas.ferre@atmel.com: adapt patch to newer series]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
- several fixes and adjustments following the last cleanup batch
- removal of some unused Kconfig options
- slight PM and pm_idle rework to ease future rework
- removal of unneeded mach/system_rev.h
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Merge tag 'at91-cleanup3' into at91-3.20-soc
The SOC_AT91SAM9263 is being removed, stop using it.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
mach/system_rev.h is not used, remove it.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
In order to remove SOC_SAM9xxx options, stop using HAVE_AT91_DBGUx.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
The PM initialization needs internal SRAM for allocating a gen_pool and
use it to store its PM code. So we need to have of_platform_populate() before
this code.
Suggested-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
As all sam9 SoCs are setting arm_pm_idle to at91sam9_idle(), do it from
sam9_dt_device_init().
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
[nicolas.ferre@atmel.com: adapt patch to newer series]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
sam9n12 and sam9x5 don't set arm_pm_idle because of an oversight, fix that.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
As long as there is no other non-const variable marked __initdata in the
same compilation unit it doesn't hurt. If there were one however
compilation would fail with
error: $variablename causes a section type conflict
because a section containing const variables is marked read only and so
cannot contain non-const variables.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
[nicolas.ferre@atmel.com: update the paths after having re-arranged the patches]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Newer SoCs: at91sam9x5, at91sam9n12, sama5d3 and sama5d4 embed a DDR controller
and have a different PMC status register layout than the at91sam9g45. Create
another at91_sam9x5_pm_init() function to match this compatibility.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Move at91rm9200_idle() along with at91sam9_idle() in clk/at91/pmc.c.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Michael Turquette <mturquette@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
SRAM initialization is now done through the mmio-sram driver and
at91_init_sram() is not called anymore, remove it.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Now that the SRAM is initialized by the mmio-sram driver, .map_io is useless.
remove it.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Split at91_pm_init() in three variants that are called by the respective SoCs
.init_machine. This allows to remove the of_machine_is_compatible() calls and
move at91_pm_init() out of arch_initcall() which is required for multiplatform.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Check UDP and UHP on sam9x5, sam9n12 and the sama5 series.
Check UHP on the sam9g45.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Now that the SRAM is part of a genpool, use it to allocate memory to use for the
slowclock implementation.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Store SoC differences in a struct to remove cpu_is_* usage.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Since all rm9200 board files have been removed, there is no user of
at91rm9200_set_type() left. Remove it
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
at91rm9200_dt_initialize() is doing the same as at91_dt_initialize(), use that
one instead.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Move debug-macro.S from include/mach/ to include/debug where all other common
debug macros are.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
The irq fixup from at91_sysirq_mask_rtc and at91_sysirq_mask_rtt is now handled
by aic_common_rtc_irq_fixup and aic_common_rtt_irq_fixup. Remove those useless
functions.
Also remove the now unused mach/at91_rtt.h header.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Now that at91sam9 SoCs are only supported through DT, remove
CONFIG_MACH_AT91SAM9_DT and use CONFIG_SOC_AT91SAM9 instead.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Now that rm9200 is only supported through DT, remove CONFIG_MACH_AT91RM9200_DT
and use CONFIG_SOC_AT91RM9200 instead.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
CONFIG_NEED_MACH_MEMORY_H is not set by any at91 platform, remove mach/memory.h
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Since removal of !DT boards, asm/irq.h inclusion is not needed in these product
files.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
These GPIO pin descriptions are now moved with the pinctrl driver. We can
safely remove this useless header file.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Appearance: On some SAMA5D4EK boards, after power up, the Eth1 doesn't work.
Reason: The PIOE2 pin is connected to the NAND_Tree# of KSZ8081,
But it outputs LOW during the reset period, which cause the NAND_Tree# enabled.
Add phy_fixup() to disable NAND_Tree by overriding the Operation
Mode Strap Override register(i.e. Register 16h) to clear the NAND_Tree bit.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
The remaining cleanups for 3.19 are to a large part result of
devicetree conversion nearing completion on two other platforms
besides AT91:
* Like AT91, Renesas shmobile is in the process to migrate to DT and
multiplatform, but using a different approach of doing it one
SoC at a time. For 3.19, the r8a7791 platform and associated\
"Koelsch" board are considered complete and we remove the non-DT
non-multiplatform support for this.
* The ARM Versatile Express has supported DT and multiplatform
for a long time, but we have still kept the legacy board files
around, because not all drivers were fully working before. We
have finally taken the last step to remove the board files.
Other changes in this branch are preparation for the later branches
or just unrelated to the more interesting changes:
* The dts files for arm64 get moved into per-vendor directories for
a clearer structure.
* Some dead code removal (zynq, exynos, davinci, imx)
* Using pr_*() macros more consistently instead of printk(KERN_*)
in some platform code.
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Arnd Bergmann:
"The remaining cleanups for 3.19 are to a large part result of
devicetree conversion nearing completion on two other platforms
besides AT91:
- Like AT91, Renesas shmobile is in the process to migrate to DT and
multiplatform, but using a different approach of doing it one SoC
at a time. For 3.19, the r8a7791 platform and associated "Koelsch"
board are considered complete and we remove the non-DT
non-multiplatform support for this.
- The ARM Versatile Express has supported DT and multiplatform for a
long time, but we have still kept the legacy board files around,
because not all drivers were fully working before. We have finally
taken the last step to remove the board files.
Other changes in this branch are preparation for the later branches or
just unrelated to the more interesting changes:
- The dts files for arm64 get moved into per-vendor directories for a
clearer structure.
- Some dead code removal (zynq, exynos, davinci, imx)
- Using pr_*() macros more consistently instead of printk(KERN_*) in
some platform code"
* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (71 commits)
ARM: zynq: Remove secondary_startup() declaration from header
ARM: vexpress: Enable regulator framework when MMCI is in use
ARM: vexpress: Remove non-DT code
ARM: imx: Remove unneeded .map_io initialization
ARM: dts: imx6qdl-sabresd: Fix the microphone route
ARM: imx: refactor mxc_iomux_mode()
ARM: imx: simplify clk_pllv3_prepare()
ARM: imx6q: drop unnecessary semicolon
ARM: imx: clean up machine mxc_arch_reset_init_dt reset init
ARM: dts: imx6qdl-rex: Remove unneeded 'fsl,mode' property
ARM: dts: imx6qdl-gw5x: Remove unneeded 'fsl,mode' property
ARM: dts: imx6qdl-sabresd: Use IMX6QDL_CLK_CKO define
ARM: at91: remove useless init_time for DT-only SoCs
ARM: davinci: Remove redundant casts
ARM: davinci: Use standard logging styles
ARM: shmobile: r8a7779: Spelling/grammar s/entity/identity/, s/map/mapping/
ARM: shmobile: sh7372: Spelling/grammar s/entity map/identity mapping/
ARM: shmobile: sh73a0: Spelling/grammar s/entity map/identity mapping/
ARM: EXYNOS: Remove unused static iomapping
ARM: at91: fix build breakage due to legacy board removals
...
On Atmel AT91, the conversion to device tree is now considered complete,
and all machines that were not already converted in 3.18 are assumed to
be unused and dropped by the maintainer.
All remaining board files that were written in C are dropped, and the
ancient at91x40 sub-platform (based on an MMU-less ARM7) is removed
altogether. Cleaning up the last pieces was great fun, so I took the
time to do some of the coding myself and removed several hundred code
lines that ended up unused after the board files were done.
There are still a couple of AT91 specific device drivers that are not
converted to DT (CF, USB-OTG) and currently not working, and the platform
itself is not "multiplatform"-enabled, but both issues are going to be
taken care of in the 3.20 cycle.
This is split out from the other cleanups purely based on the size
of the branch.
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Merge tag 'at91-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanup on mach-at91 from Arnd Bergmann:
"On Atmel AT91, the conversion to device tree is now considered
complete, and all machines that were not already converted in 3.18 are
assumed to be unused and dropped by the maintainer.
All remaining board files that were written in C are dropped, and the
ancient at91x40 sub-platform (based on an MMU-less ARM7) is removed
altogether. Cleaning up the last pieces was great fun, so I took the
time to do some of the coding myself and removed several hundred code
lines that ended up unused after the board files were done.
There are still a couple of AT91 specific device drivers that are not
converted to DT (CF, USB-OTG) and currently not working, and the
platform itself is not "multiplatform"-enabled, but both issues are
going to be taken care of in the 3.20 cycle.
This is split out from the other cleanups purely based on the size of
the branch"
* tag 'at91-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (33 commits)
ARM: at91: remove unused board.h file
ARM: at91: remove unneeded header files
ARM: at91/clocksource: remove !DT PIT initializations
ARM: at91: at91rm9200 ST initialization is now DT only
ARM: at91: remove old AT91-specific drivers
ARM: at91: cleanup initilisation code by removing dead code
ARM: at91/Kconfig: select board files automatically
ARM: at91: remove unused IRQ function declarations
ARM: at91: remove legacy IRQ driver and related code
ARM: at91: remove old at91-specific clock driver
ARM: at91: remove clock data in at91sam9n12.c and at91sam9x5.c files
ARM: at91: remove all !DT related configuration options
ARM: at91/trivial: update Kconfig comment to mention SAMA5
ARM: at91: always USE_OF from now on
ARM: at91/Kconfig: remove ARCH_AT91RM9200 option for drivers
ARM: at91: switch configuration option to SOC_AT91RM9200
ARM: at91: remove at91rm9200 legacy board support
ARM: at91: remove at91rm9200 legacy boards files
ARM: at91/Kconfig: remove useless fbdev Kconfig options
ARM: at91: remove at91sam9261/at91sam9g10 legacy board support
...
- removal of now dead code and AT91-specific driver
- removal of !DT initialization in some core AT91 drivers
- simplification of Kconfig DT board file selection: now automatic
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Merge tag 'at91-cleanup5' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/cleanup
Pull "Fifth batch of cleanup/SoC for 3.19" from Nicolas Ferre:
- removal of now dead code and AT91-specific driver
- removal of !DT initialization in some core AT91 drivers
- simplification of Kconfig DT board file selection: now automatic
* tag 'at91-cleanup5' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
ARM: at91: remove unused board.h file
ARM: at91: remove unneeded header files
ARM: at91/clocksource: remove !DT PIT initializations
ARM: at91: at91rm9200 ST initialization is now DT only
ARM: at91: remove old AT91-specific drivers
ARM: at91: cleanup initilisation code by removing dead code
ARM: at91/Kconfig: select board files automatically
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
All functions declared in this file are gone.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[nicolas.ferre@atmel.com: re-order patches so modify board-dt-sam9]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
As AT91 !DT code is now removed, cleanup the PIT clocksource driver.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[nicolas.ferre@atmel.com: split patch]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Boris BREZILLON <boris.brezillon@free-electrons.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
As at91rm9200 is now DT only, there is no need to keep old entry point in this
at91rm9200 System Timer (ST) driver.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[nicolas.ferre@atmel.com: split patch]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
GPIO and LED drivers were replaced by generic ones for DT boards. These drivers
were remaining: delete them now. Modifications are also done on the
corresponding header files.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[nicolas.ferre@atmel.com: split patch]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
The AT91-specific SoC strucutre "struct at91_init_soc" was filled with specific
!DT initilisation functions. Now that we got rid of the !DT board file
description, remove unneeded functions.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[nicolas.ferre@atmel.com: split patch]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Linus Torvalds