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* clocksource: convert ARM 32-bit up counting clocksourcesRussell King2011-05-23
| | | | | | | | | | | | | | | | Convert ixp4xx, lpc32xx, mxc, netx, pxa, sa1100, tcc8k, tegra and u300 to use the generic mmio clocksource recently introduced. Cc: Imre Kaloz <kaloz@openwrt.org> Cc: Krzysztof Halasa <khc@pm.waw.pl> Acked-by: Eric Miao <eric.y.miao@gmail.com> Acked-by: "Hans J. Koch" <hjk@hansjkoch.de> Acked-by: Colin Cross <ccross@android.com> Cc: Erik Gilling <konkers@android.com> Cc: Olof Johansson <olof@lixom.net> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* arm: Cleanup the irq namespaceThomas Gleixner2011-03-29
| | | | | | Convert to the new function names. Automated with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* Merge branch 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2011-03-17
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm: (289 commits) davinci: DM644x EVM: register MUSB device earlier davinci: add spi devices on tnetv107x evm davinci: add ssp config for tnetv107x evm board davinci: add tnetv107x ssp platform device spi: add ti-ssp spi master driver mfd: add driver for sequencer serial port ARM: EXYNOS4: Implement Clock gating for System MMU ARM: EXYNOS4: Enhancement of System MMU driver ARM: EXYNOS4: Add support for gpio interrupts ARM: S5P: Add function to register gpio interrupt bank data ARM: S5P: Cleanup S5P gpio interrupt code ARM: EXYNOS4: Add missing GPYx banks ARM: S3C64XX: Fix section mismatch from cpufreq init ARM: EXYNOS4: Add keypad device to the SMDKV310 ARM: EXYNOS4: Update clocks for keypad ARM: EXYNOS4: Update keypad base address ARM: EXYNOS4: Add keypad device helpers ARM: EXYNOS4: Add support for SATA on ARMLEX4210 plat-nomadik: make GPIO interrupts work with cpuidle ApSleep mach-u300: define a dummy filter function for coh901318 ... Fix up various conflicts in - arch/arm/mach-exynos4/cpufreq.c - arch/arm/mach-mxs/gpio.c - drivers/net/Kconfig - drivers/tty/serial/Kconfig - drivers/tty/serial/Makefile - drivers/usb/gadget/fsl_mxc_udc.c - drivers/video/Kconfig
| * arm: tcc8k: Fix bus clock calculationOskar Schirmer2011-03-11
| | | | | | | | | | | | | | | | | | | | | | | | There are two dividers used to derive bus clock from system clock: system clock is divided by SCKDIV+1, then by BCKDIV+1. SCKDIV divider has been ignored up to now, which is no problem as long as it is 0. Take SCKDIV into account for bus clock calculation. Signed-off-by: Oskar Schirmer <oskar@linutronix.de> Cc: bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * arm: tcc8k: Fix indent, coding syleOskar Schirmer2011-03-11
| | | | | | | | | | | | | | | | | | | | | | | | Remove double definition of ACLKUSBH, change parameter name in root_clk_disable, as there is no reason to have a different name than in root_clk_enable. No functional change. Signed-off-by: Oskar Schirmer <oskar@linutronix.de> Cc: bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * arm: tcc8k: Avoid reading clock register twiceOskar Schirmer2011-03-11
| | | | | | | | | | | | | | | | | | | | There is no reason why in case of PLL2 the configuration register should be read twice, while for PLL0/1 using the value previously read is used. Do the same for PLL2. Signed-off-by: Oskar Schirmer <oskar@linutronix.de> Cc: bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * arm: tcc8k: Fix clock rate calculationHans J. Koch2011-03-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The calculation of the best divider value for a requested clock rate always returned a value that was slightly too large. It was also not protected against possible divisions by zero. Request for very low, but non zero rates would cause the ACLK divisor field to overflow. Catch this situation by using the maximum value. The internal function aclk_set_rate() calculates the correct divider value, but doesn't write it back to the register. Add the write back. Signed-off-by: Hans J. Koch <hjk@linutronix.de> Signed-off-by: Oskar Schirmer <oskar@linutronix.de> Cc: bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * arm: tcc8k: Choose PLL settings conforming to board layoutOskar Schirmer2011-03-11
| | | | | | | | | | | | | | | | | | | | | | | | The evaluation board is driven with 1.2V core voltage, so system clock must not exceed 192 MHz, bus clock must not exceed 110 MHz. Choose appropriate values and set DTCMWAIT accordingly. Adapt UART setting to avoid console log interruption and wait for the specified locking time of 300us to pass. Signed-off-by: Oskar Schirmer <oskar@linutronix.de> Cc: bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * arm: tcc8k: Add missing includeOskar Schirmer2011-03-11
| | | | | | | | | | | | | | If NAND is enabled we better have the include around. Signed-off-by: Oskar Schirmer <oskar@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | ARM: P2V: avoid initializers and assembly using PHYS_OFFSETRussell King2011-02-17
|/ | | | | | | | | | | | | | As PHYS_OFFSET will be becoming a variable, we can't have it used in initializers nor assembly code. Replace those in generic code with a run-time initialization. Replace those in platform code using the individual platform specific PLAT_PHYS_OFFSET. Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Acked-by: David Brown <davidb@codeaurora.org> Acked-by: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* ARM: tcc8k: irq_data conversion.Lennert Buytenhek2011-01-13
| | | | Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca>
* Merge branch 'misc' into develRussell King2011-01-06
|\ | | | | | | | | | | | | | | Conflicts: arch/arm/Kconfig arch/arm/common/Makefile arch/arm/kernel/Makefile arch/arm/kernel/smp.c
| * ARM: 6483/1: arm & sh: factorised duplicated clkdev.cJean-Christop PLAGNIOL-VILLARD2010-11-26
| | | | | | | | | | | | | | | | | | | | | | | | | | factorise some generic infrastructure to assist looking up struct clks for the ARM & SH architecture. as the code is identical at 99% put the arch specific code for allocation as example in asm/clkdev.h Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | ARM: tcc8k: update clock source registrationRussell King2010-12-22
|/ | | | | | | | In d7e81c2 (clocksource: Add clocksource_register_hz/khz interface) new interfaces were added which simplify (and optimize) the selection of the divisor shift/mult constants. Switch over to using this new interface. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* arm: remove machine_desc.io_pg_offst and .phys_ioNicolas Pitre2010-10-20
| | | | | | | | | | | | | | | 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>
* ARM: Add board support for Telechips TCC8000-SDK boardHans J. Koch2010-09-17
| | | | | | | Add support for the Telechips TCC8000-SDK development board. Signed-off-by: "Hans J. Koch" <hjk@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* ARM: Add common platform devices for TCC8xxx SoCsHans J. Koch2010-09-17
| | | | | | | | | This patch introduces a first set of platform devices for integrated peripherals of TCC8xxx processors. Drivers for these devices are available and will be posted in a second step. Signed-off-by: "Hans J. Koch" <hjk@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* ARM: Basic IO mappings for mach-tcc8kHans J. Koch2010-09-17
| | | | | | | Map the IO ranges of TCC8xxx peripherals. Signed-off-by: "Hans J. Koch" <hjk@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* ARM: Add TCC8xxx system timerHans J. Koch2010-09-17
| | | | | | | | Add the system timer using clockevents with the internal TC32 timer. This also adds a clocksource using the same timer. Signed-off-by: "Hans J. Koch" <hjk@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* ARM: Introduce plat-tcc irq frameworkHans J. Koch2010-09-17
| | | | | | | Introduce lowlevel interrupt routines. Signed-off-by: "Hans J. Koch" <hjk@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* ARM: Add the clock framework for Telechips TCC8xxx processors.Hans J. Koch2010-09-17
| | | | | | | | This adds definitions and low-level functions to handle clocks in TCC8xxx processors. Signed-off-by: "Hans J. Koch" <hjk@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* ARM: Introduce plat-tccHans J. Koch2010-09-17
This patch introduces support for the tcc platform by creating an arch/arm/plat-tcc and arch/arm/mach-tcc8k directories and adding basic include files plus Kconfig and Makefile. Signed-off-by: "Hans J. Koch" <hjk@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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