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We're going to extend the davinci_irq_init() function with a config
structure so we can drop the intc-related fields from davinci_soc_info.
Once we do it, we won't be able to use this routine directly as the
init_irq callback. Wrap the calls in additional helpers that don't
take parameters and can be assigned to init_irq.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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We want to work towards phasing out the at24_platform_data structure.
There are few users and its contents can be represented using generic
device properties. Using device properties only will allow us to
significantly simplify the at24 configuration code.
Remove the at24_platform_data structure and replace it with an array
of property entries. Drop the byte_len/size property, as the model name
already implies the EEPROM's size.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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The currently used 24lc64 i2c device name doesn't match against any
of the devices supported by the at24 driver. Change it to the closest
compatible chip.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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This adds the new board-specific clock init in mach-davinci/dm644x.c
using the new common clock framework drivers.
The #ifdefs are needed to prevent compile errors until the entire
ARCH_DAVINCI is converted.
Also clean up the #includes since we are adding some here.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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dm644x_init_devices() is unnecessarily implemented as a
postcore_initcall().
This does not cause any issues now, but creates issues when
converting to common clock framework where clocks themselves
become platform devices and are initialized later. Because of
this, device clock acquisition and runtime PM on that device
fails.
Move the call to .init_machine() callback along with rest of
platform device's registration.
While at it, convert it to return void since return value is
ignored by caller anyway.
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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This moves the call of davinci_clk_init() from map_io to init_time for all
boards.
This is the proper place to init clocks. This is also done in preparation
for moving to the common clock framework.
dm646x is a special case because we need to handle different ref_clk rates
depending on which board is being used. The clock init in this case is
modified to set the rate before registering the clocks instead of using
davinci_set_refclk_rate() to recalculate the entire clock tree after all
of the clocks are registered.
Also, the cpu_clks field is removed from struct davinci_soc_info since it
is no longer needed.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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This removes the watchdog reset code. The reset has been moved to
drivers/watchdog/davinci_wdt.c. The watchdog driver registers the reset
with the kernel so defining a reset for each machine is no longer needed.
Signed-off-by: David Lechner <david@lechnology.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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We are planning to share more code between different NAND based
devices (SPI NAND, OneNAND and raw NANDs), but before doing that
we need to move the existing include/linux/mtd/nand.h file into
include/linux/mtd/rawnand.h so we can later create a nand.h header
containing all common structure and function prototypes.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Peter Pan <peterpandong@micron.com>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Acked-by: Wenyou Yang <wenyou.yang@microchip.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Han Xu <han.xu@nxp.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-By: Harvey Hunt <harveyhuntnexus@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Krzysztof Halasa <khalasa@piap.pl>
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This patch moves the at24.h header from include/linux/i2c to
include/linux/platform_data and updates existing support accordingly.
It also fixes the following checkpatch warning:
WARNING: please, no space before tabs
#436: FILE: include/linux/platform_data/at24.h:31:
+ * ^Iu8 *mac_addr = ethernet_pdata->mac_addr;$
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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"struct davinci_uart_config" was introduced to specify
UART ports brought out or enabled on the board. But
none of the boards use it for that purpose and we are
not going to add anymore board files, so remove the
structure.
Signed-off-by: Manjunathappa, Prakash <prakash.pm@ti.com>
Suggested-by: Sekhar Nori <nsekhar@ti.com>
[nsekhar@ti.com: split patch to remove davinci_serial_setup_clk()
changes.]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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The maintainer entry for SFFSDR board contained in the
board file is stale (not working). Remove it.
Signed-off-by: Hugo Villeneuve <hugo@hugovil.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Now that the only field in struct sys_timer is .init, delete the struct,
and replace the machine descriptor .timer field with the initialization
function itself.
This will enable moving timer drivers into drivers/clocksource without
having to place a public prototype of each struct sys_timer object into
include/linux; the intent is to create a single of_clocksource_init()
function that determines which timer driver to initialize by scanning
the device dtree, much like the proposed irqchip_init() at:
http://www.spinics.net/lists/arm-kernel/msg203686.html
Includes mach-omap2 fixes from Igor Grinberg.
Tested-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
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Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.
This moves such data out of the davinci include directories
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: "Ben Dooks" <ben-linux@fluff.org>
Cc: "Wolfram Sang" <w.sang@pengutronix.de>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Chris Ball <cjb@laptop.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Liam Girdwood <lrg@ti.com>
Cc: davinci-linux-open-source@linux.davincidsp.com
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Cc: Kevin Hilman <khilman@ti.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
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* davinci/cleanups:
ARM: davinci: add back dummy header files
ARM: davinci: dm644x: don't force vpfe registeration on all boards
ARM: davinci: dm644x: fix inconsistent variable naming
ARM: davinci: dm644x: improve readability using macro
ARM: davinci: streamline sysmod access
ARM: davinci: create new common platform header for davinci
ARM: davinci: dm646x: move private definitions to C file
ARM: davinci: dm365: move private definitions to C file
ARM: davinci: dm644x: move private definitions to C file
Conflicts:
arch/arm/mach-davinci/board-dm644x-evm.c
arch/arm/mach-davinci/board-neuros-osd2.c
arch/arm/mach-davinci/board-sffsdr.c
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Remove individual platform header files for dm365, dm355, dm644x
and dm646x and consolidate it into a single and common
header file davinci.h placed in arch/arm/mach-davinci.
This reduces the pollution in the include/mach and is consistent
with Russell's suggestions as part of his "pet peaves" mail.
(See #4 in: http://lists.infradead.org/pipermail/linux-arm-kernel/2011-November/071516.html)
While at it, fix the forward declaration of spi_board_info,
and include the right header file instead.
The further patches in the series take advantage of this consolidation
for easy implementation of IO_ADDRESS elimination.
Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
[nsekhar@ti.com: make davinci.h the first local include file,
fix forward declaration of spi_board_info and add back Deep Root
Systems, LLC copyright]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Commit 5a05a8200a4359ef2bfe9094c137dee35cfdd516 ("davinci_emac:
use an unique MDIO bus name") introduced during the v3.3 merge
window updated the davinci mdio bus name to make it unique.
Update the bus name in board files which use DaVinci MDIO bus
to match the new name. Without this PHY is not detected with
error like:
PHY 0:01 not found
net eth0: could not connect to phy 0:01
Tested on DM365 and DA850 EVMs.
Cc: Florian Fainelli <florian@openwrt.org>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Rather than using DaVinci specific davinci_soc_info based
restart hook, use the restart hook available in the machine
descriptor instead.
Tested on DM365 and AM18x EVMs.
v2:
Changed to use restart hook in machine descriptor
per Russell's comment.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
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Conflicts:
arch/arm/mach-davinci/board-da830-evm.c
arch/arm/mach-davinci/board-da850-evm.c
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Since we're now using addruart to establish the debug mapping, we can
remove the io_pg_offst and phys_io members of struct machine_desc.
The various declarations were removed using the following script:
grep -rl MACHINE_START arch/arm | xargs \
sed -i '/MACHINE_START/,/MACHINE_END/ { /\.\(phys_io\|io_pg_offst\)/d }'
[ Initial patch was from Jeremy Kerr, example script from Russell King ]
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: Eric Miao <eric.miao at canonical.com>
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This patch removes davinci architecture code that has now been rendered
useless by the previous patches in the MDIO separation series.
In addition, the earlier phy_mask definitions have been replaced with
corresponding phy_id definitions.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Tested-by: Michael Williamson <michael.williamson@criticallink.com>
Tested-by: Caglar Akyuz <caglarakyuz@gmail.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch implements the following:
- interrupt initialization uses ioremap() instead of passing a virtual address
via davinci_soc_info.
- machine definitions directly point to cp_intc_init() or davinci_irq_init()
- davinci_intc_type and davinci_intc_base now get initialized in controller
specific init functions instead of davinci_common_init()
- minor fix in davinci_irq_init() to use intc_irq_num instead of
DAVINCI_N_AINTC_IRQ
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Currently each DaVinci board file #define's its own version of the EMIFA base
addresses (all named DAVINCI_ASYNC_EMIF_*_BASE), which leads to duplication.
Move these #define's to the SoC specific headers, changing their prefixes from
'DAVINCI' to the 'DM355', 'DM644X', and 'DM646X' since all these base addresses
are SoC specific...
And while at it, rename DM646X_ASYNC_EMIF_DATA_CE0_BASE to
DM646X_ASYNC_EMIF_CS2_SPACE_BASE in order to match the DM646x datasheet.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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- Convert data/functions to static
- include headers for missing declarations
- pointer cleanups: struct foo *__iomem f --> struct foo __iomem *f;
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch fixes the following warning:
arch/arm/mach-davinci/board-sffsdr.c:99: warning: 'sffsdr_emac_pdata' defined but not used
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Rename setup_usb() into davinci_setup_usb(). While at it:
- move its declaration from <mach/common.h> to more fitting <mach/usb.h>;
- teach it to handle values of the 'mA' parameter greater than 510 and thus
pass 1000 instead of 500 for the power switches capable of sourcing over 1 A;
- teach it to handle odd values of the 'potpgt_ms' parameter...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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There have accumulated quite a lot of them after the code reorganizations...
In several cases I had to replace #include <linux/dma-mapping.h> which wasn't
needed directly but happened to #include <linux/err.h> which was needed.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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fix the following 'make includecheck' warning:
arch/arm/mach-davinci/board-sffsdr.c: mach/common.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Acked-by: Philip Balister <philip@opensdr.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Since most of the emac platform_data is really SoC specific
and not board specific, move it to the SoC-specific files.
Put a pointer to the platform_data in the soc_info structure
so the board-specific code can set some of the platform_data
if it needs to.
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Create a structure to encapsulate SoC-specific information.
This will assist in generalizing code so it can be used by
different SoCs that have similar hardware but with minor
differences such as having a different base address.
The idea is that the code for each SoC fills out a structure
with the correct information. The board-specific code then
calls the SoC init routine which in turn will call a common
init routine that makes a copy of the structure, maps in I/O
regions, etc.
After initialization, code can get a pointer to the structure
by calling davinci_get_soc_info(). Eventually, the common
init routine will make a copy of all of the data pointed to
by the structure so the original data can be made __init_data.
That way the data for SoC's that aren't being used won't consume
memory for the entire life of the kernel.
The structure will be extended in subsequent patches but
initially, it holds the map_desc structure for any I/O
regions the SoC/board wants statically mapped.
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Add SoC and platform-specific data and init for DaVinci EMAC network
driver.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Signed-off-by: Hugo Villeneuve <hugo.villeneuve@lyrtech.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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