This pull request:
1) Fixes a bug with the way SPI devices were registered on DA850
2) Adds support for DSP clock and resetting the DSP on DA850
3) Fixes checkpatch issue with some existing files.
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Merge tag 'davinci-for-v3.9/soc' of git://gitorious.org/linux-davinci/linux-davinci into next/soc
From Sekhar Nori:
DaVinci SoC changes for v3.9
This pull request:
1) Fixes a bug with the way SPI devices were registered on DA850
2) Adds support for DSP clock and resetting the DSP on DA850
3) Fixes checkpatch issue with some existing files.
* tag 'davinci-for-v3.9/soc' of git://gitorious.org/linux-davinci/linux-davinci:
ARM: davinci: da850: add dsp clock definition
ARM: davinci: psc: introduce reset API
ARM: davinci: psc.c: change pr_warning() to pr_warn()
ARM: davinci: devices-da8xx.c: change pr_warning() to pr_warn()
ARM: davinci: da8xx_register_spi() should not register SPI board info
Signed-off-by: Olof Johansson <olof@lixom.net>
Without this patch, da8xx_register_spi() registers the SPI board info,
the SPI controller, and sets its number of chipselect to the size of the
static spi_board_info array. This is bad because a SPI board info may
declare devices for different SPI buses, and because other code can also
call spi_register_board_info() (e.g. a daughter board might provide
additional SPI devices).
This patch removes the spi_register_board_info() call from
da8xx_register_spi(), renames this last one to da8xx_register_spi_bus()
to be more explicit, takes the number of chipselect as a function
parameter, and updates the impacted board-da8{3,5}0-evm.c, and
board-mityomapl138.c files accordingly. It also sets the SPI platform
data static, as it doesn't need to be exported.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
[nsekhar@ti.com: fixed conflicts with v3.7-rc7, converted to use pr_warn(),
modified print messages to use __func__]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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>
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
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>
* git://git.infradead.org/mtd-2.6: (226 commits)
mtd: tests: annotate as DANGEROUS in Kconfig
mtd: tests: don't use mtd0 as a default
mtd: clean up usage of MTD_DOCPROBE_ADDRESS
jffs2: add compr=lzo and compr=zlib options
jffs2: implement mount option parsing and compression overriding
mtd: nand: initialize ops.mode
mtd: provide an alias for the redboot module name
mtd: m25p80: don't probe device which has status of 'disabled'
mtd: nand_h1900 never worked
mtd: Add DiskOnChip G3 support
mtd: m25p80: add EON flash EN25Q32B into spi flash id table
mtd: mark block device queue as non-rotational
mtd: r852: make r852_pm_ops static
mtd: m25p80: add support for at25df321a spi data flash
mtd: mxc_nand: preset_v1_v2: unlock all NAND flash blocks
mtd: nand: switch `check_pattern()' to standard `memcmp()'
mtd: nand: invalidate cache on unaligned reads
mtd: nand: do not scan bad blocks with NAND_BBT_NO_OOB set
mtd: nand: wait to set BBT version
mtd: nand: scrub BBT on ECC errors
...
Fix up trivial conflicts:
- arch/arm/mach-at91/board-usb-a9260.c
Merged into board-usb-a926x.c
- drivers/mtd/maps/lantiq-flash.c
add_mtd_partitions -> mtd_device_register vs changed to use
mtd_device_parse_register.
Recall the recently added prefix requirements:
* "NAND_" for flags in nand.h, used in nand_chip.options
* "NAND_BBT_" for flags in bbm.h, used in nand_chip.bbt_options
or in nand_bbt_descr.options
Thus, I am changing NAND_USE_FLASH_BBT to NAND_BBT_USE_FLASH.
Again, this flag is found in bbm.h and so should NOT be used in the
"nand_chip.options" field.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This patch works with the following three flags from two headers (nand.h
and bbm.h):
(1) NAND_USE_FLASH_BBT (nand.h)
(2) NAND_USE_FLASH_BBT_NO_OOB (nand.h)
(3) NAND_BBT_NO_OOB (bbm.h)
These flags are all related and interdependent, yet they were in
different headers. Flag (2) is simply the combination of (1) and (3) and
can be eliminated.
This patch accomplishes the following:
* eliminate NAND_USE_FLASH_BBT_NO_OOB (i.e., flag (2))
* move NAND_USE_FLASH_BBT (i.e., flag (1)) to bbm.h
It's important to note that because (1) and (3) are now both found in
bbm.h, they should NOT be used in the "nand_chip.options" field.
I removed a small section from the mtdnand DocBook because it referes to
NAND_USE_FLASH_BBT in nand.h, which has been moved to bbm.h.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This patch adds the on-board SPI flash device to the
DA830/OMAP-L137/AM17x EVM. It also registers the SPI flash
device to the MTD subsystem.
Based on SPI flash device support for MityDSP-L138F platform.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
[michael.williamson@criticallink.com: moved da830evm_spi0_pdata to devices-da8xx.c]
[michael.williamson@criticallink.com: moved da830evm_init_spi0 to devices-da8xx.c]
Signed-off-by: Michael Williamson <michael.williamson@criticallink.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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>
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>
This patch adds machine checks in the serial console init routines
for the DA8XX EVM boards. This is needed because there are other
DA8XX based machines that use a different UART/tty as the console
and may be included in a common kernel build.
Signed-off-by: Michael Williamson <michael.williamson@criticallink.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Setup the NAND flash timings for DA830 EVM.
Before configuring the timing values, throughput calculation
using dd command yielded 477 kB/s write and 970 kB/s read speed.
After the timing configuration, the throughput was measured to
be 2.5 MB/s write and 5.1 MB/s read.
[Mukul Bhatnagar: actual calculation of timing values from the
NAND datasheet]
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Cc: Mukul Bhatnagar <mbhatnagar@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
The Sitara AM17x SoCs from TI are an OMAP-L137 pin-to-pin
compatible ARM9 microprocessor offering from TI.
The Sitara AM18x SoCs from TI are an OMAP-L138 pin-to-pin
compatible ARM9 microprocessor offering from TI.
More information about these processors available at:
www.ti.com/am1x
Because of their compatibiliy with OMAP-L1x, the kernel
support for OMAP-L1x is fully relevant to AM1x processors.
This patch updates the Kconfig prompt and help text to include
the AM1x part names to help users select configurations required
for these parts easily.
Also, the hardware information that shows up in /proc/cpuinfo
is updated to show applicability of the respective OMAP-L1x EVMs
for AM1x parts.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
* 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci:
davinci: dm646x EVM: Specify reserved EDMA channel/slots
davinci: da8xx/omapl EVM: Specify reserved channels/slots
davinci: support for EDMA resource sharing
davinci: edma: provide ability to detect insufficient CC info data
davinci: da8xx: sparse cleanup: remove duplicate entries in irq priorities
davinci: DM365: fixed second serial port
Davinci: tnetv107x evm board initial support
Davinci: tnetv107x initial gpio support
Davinci: tnetv107x soc support
Davinci: tnetv107x decompresser uart definitions
Davinci: generalized debug macros
The drivers on da8xx/omapl EVMs do not utilize all the channels
and slots provided by EDMA. Some of these are better utilitzed by
the DSP on the SoC for speeding up codec operations.
Reserve these channels/slots for the DSP.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Currently the EDMA queue to be used by for servicing ASP through
internal RAM is fixed to EDMAQ_0 and that to service internal RAM
from external RAM is fixed to EDMAQ_1.
This may not be the desirable configuration on all platforms. For
example, on DM365, queue 0 has large fifo size and is more suitable
for video transfers. Having audio and video transfers on the same
queue may lead to starvation on audio side.
platform data as defined currently passes a queue number to the driver
but that remains unused inside the driver.
Fix this by defining one queue each for ASP and RAM transfers in the
platform data and using it inside the driver.
Since EDMAQ_0 maps to 0, thats the queue that will be used if
the asp queue number is not initialized. None of the platforms
currently utilize ping-pong transfers through internal RAM so that
functionality remains unchanged too.
This patch has been tested on DM644x and OMAP-L138 EVMs.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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>
The board file #define's its own version of EMIFA base addresses, while there
are DA8XX_AEMIF_*_BASE macros #define'd in <mach/da8xx.h>. Start using them
instead.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Rename da8xx_pinmux_setup() to davinci_cfg_reg_list() and promote it for use in
other SOCs that may need the ability to configure multiple pins in one shot.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Host map configuration instructs the interrupt controller to route interrupt
channels to FIQ or IRQ lines. Currently, DA8xx family of devices leave these
registers at their reset-default values.
TNETV107X however does not have sane reset defaults, and therefore this
architecture needs to reconfigure the host-map such that channels 0 and 1
go to FIQ, and the remaining channels raise IRQs.
This patch adds an optional host map argument to cp_intc_init() for this.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
The merge for 2.6.34 brings in 8-bit support to the DaVinci MMC/SD driver.
This patch updates the platform data for DA830/OMAP-L137 EVM to use 8-wire
support available in the driver.
Signed-off-by: Vipin Bhandari <vipin.bhandari@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
The DA830/OMAP-L137 EVM has GPIO based card detection logic, but the current
code does not use it.
Add support for GPIO based card detection to avoid reading the card to see
if a card is present or not.
Signed-off-by: Vipin Bhandari <vipin.bhandari@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
OMAP-L138 adds a second SYSCFG region having useful functionality
like deep sleep, pull up/down control and SATA clock stop.
This patch makes provision for accessing registers from second
SYSCFG region in da8xx code.
Note that OMAP-L137 has a single SYSCFG region.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Include high speed capabilities in MMC/SD platform data
for DA830/OMAP-L137 and DA850/OMAP-L138 EVMs.
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
When kernel is built with CONFIG_DEBUG_SECTION_MISMATCH=y
option, using da8xx_omapl_defconfig, some warnings are
observed:
WARNING: vmlinux.o(.text+0xc2a4): Section mismatch in reference
from the function da850_evm_setup_nor_nand() to the variable
.init.data:da850_nand_pins
The function da850_evm_setup_nor_nand() references
the variable __initdata da850_nand_pins.
This is often because da850_evm_setup_nor_nand lacks a __initdata
annotation or the annotation of da850_nand_pins is wrong.
This patch fixes such warnings.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
On the DA830, AEMIF and MMC/SD pins are shared. On the EVM, when
the mux_mode signal is low MMC/SD works and when mux_mode signal
is high, NAND works.
When MMC/SD driver is configured in the kernel, do not let NAND
get registered and drive mux_mode high. Instead, print a warning
for user to understand why the platform device for NAND did not
get registered.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This patch supports runtime detection of DA830 UI card and
eliminates the need for DA830_UI config option. Successful
probe of GPIO expander present on the UI card is used to
detect its presence. For this reason, GPIO_PCF857X is auto-
selected when DA830 EVM is configured. In case the UI card
is absent, the probe fails in reasonable time.
As a side effect this patch also gets rid of the voilation
of Documentation/SubmittingPatches section 2.2 in function
da830_evm_ui_expander_setup()
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Remove ifdefs inside da830_evm_init function since they are
discouraged in Documentation/SubmittingPatches section 2.2
Use the method outlined in that document for fixing it.
Tested on DA830 EVM.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This patch fixes the following warning seen when building with default
config:
arch/arm/mach-davinci/board-da830-evm.c:371: warning: 'da830_evm_devices' defined but not used
Tested on DA830 EVM with and without CONFIG_DA830_UI_NAND enabled.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Add support for NAND flash parts on the DA830/OMAP-L137 EVM
User Interface board. This includes overriding the default
bad block tables used by the davinci_nand driver.
Signed-off-by: David A. Griego <dgriego@mvista.com>
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Properly set up the OTG mode thru the CFGCHIP2 register, enable the
USB0_DRVVBUS pin, and finally register the MUSB platform device.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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>
The machine name string shows up in /proc/cpuinfo under 'Hardware' and
can be used by userspace apps. Make the format consistent with the
DA850/OMAP-l138 EVM by adding the '-' between OMAP and L137.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
On this board the OHCI port's power control and over-current signals from
TPS2065 power switch are connected via GPIO1[15] and GPIO2[1] respectively,
so we can implement the DA8xx OHCI glue layer's hooks for overriding the
root hub port's power and over-current status bits.
We also have to properly set up the clocking mode in the CFGCHIP2 register,
so that internal 24 MHz reference clock is fed to the USB 2.0 (MUSB) PHY and
its output is used to clock the USB 1.1 (OHCI) PHY...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Add RTC support for the da830/omap-l137 and da850/omap-l138
SoC's by leveraging existing the rtc-omap driver.
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Add graphics support for the Sharp LCD035Q3DG01 graphical
LCD that's on the User Interface (UI) daughter card of the
DA830/OMAP-L137 EVM.
The LCD shares EMIFA lines with the NAND and NOR devices that
are also on the UI card so those lines are shared via a couple
of muxes. The muxes are controlled by the 'MUX_MODE' line on
the UI card. The 'MUX_MODE' line is controlled by pin P6 of
a pcf8574 i2c expander that's at i2c address 0x3f on UI card.
The i2c expander is controlled using the gpio infrastructure
from the board code using the 'setup()' and 'teardown()'
routines.
Signed-off-by: Steve Chen <schen@mvista.com>
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Add pinmux settings, etc. to enable the MMC/SC hardware.
Signed-off-by: David A. Griego <dgriego@mvista.com>
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
The DA830/OMAP-L137 EVM cannot use the default pinmux setup for McASP1
so put the correct settings in the board file for that platform.
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
For consistency with existing code, change the name of
da8xx_init_mcasp() to da8xx_register_mcasp().
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Tested on DM6446, DM355, DM6447, DA850 EVMs.
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Define resources for McASP1 used on DA830/OMAP-L137 EVM, add platform
device defintion, initialization function. Additionally, this patch
also adds version and FIFO related members to platform data structure.
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Rearrange the PINMUX macros and pinmux_setup function which
are common between da830/omap-l137 and da850/omap-l138.
Also, replace the da830 string in function names to da8xx.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Add support for the DA830/OMAP-L137 Evaluation Module (EVM)
from TI. The EVM has User Interface (UI) and Audio cards
that can be connected which contain various devices.
Support for those devices and ones on the EVM will be
added in subsequent patches.
Additional generalizations for future SoCs in da8xx family done by
Sudhakar Rajashekhara and Sekhar Nori.
Signed-off-by: Steve Chen <schen@mvista.com>
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Cc: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Cc: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Olof Johansson