- 20 Jun, 2009 4 commits
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Paul Walmsley authored
Program the SDRC_MR_0 register as well during SDRC clock changes. This register allows selection of the memory CAS latency. Some SDRAM chips, such as the Qimonda HYB18M512160AF6, have a lower CAS latency at lower clock rates. Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Paul Walmsley authored
When changing the SDRAM clock from 166MHz to 83MHz via the CORE DPLL M2 divider, add a short delay before returning to SDRAM to allow the SDRC time to stabilize. Without this delay, the system is prone to random panics upon re-entering SDRAM. This time delay varies based on MPU frequency. At 500MHz MPU frequency at room temperature, 64 loops seems to work okay; so add another 32 loops for environmental and process variation. Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Paul Walmsley authored
On the OMAP3, initialize SDRC timings when the kernel boots. This ensures that the kernel is running with known, optimized SDRC timings, rather than whatever was configured by the bootloader. Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Paul Walmsley authored
The original CDP kernel that this code comes from waited for 0x800 loops after switching the CORE DPLL M2 divider. This does not appear to be necessary. Signed-off-by: Paul Walmsley <paul@pwsan.com>
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- 28 May, 2009 36 commits
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Tony Lindgren authored
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Tony Lindgren authored
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Tony Lindgren authored
Conflicts: arch/arm/mach-omap2/serial.c
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Tony Lindgren authored
Conflicts: arch/arm/mach-omap2/Makefile
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Santosh Shilimkar authored
This patch adds the defconfig for OMAP4430 SDP platform. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Santosh Shilimkar authored
This patch updates the Makefile and Kconfig entries for OMAP4. The OMAP4430 SDP board file supports only minimal set of drivers. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Santosh Shilimkar authored
This patch update the common clock.c file for OMAP4. The clk_get() and clk_put() functions are moved to common place in arch/arm/common/clkdev.c Since on current OMAP4 platform clk management is still not supported, the platform file is stubbed with those functions. Once the framework is ready, this WILL be replaced with a full clkdev implementation. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Santosh Shilimkar authored
This patch adds the support for OMAP4. The platform and machine specific headers and sources updated for OMAP4430 SDP platform. OMAP4430 is Texas Instrument's SOC based on ARM Cortex-A9 SMP architecture. It's a dual core SOC with GIC used for interrupt handling and SCU for cache coherency. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Grazvydas Ignotas authored
Add support for keypad, GPIO keys and LEDs. Also enable hardware debounce feature for GPIO keys. Signed-off-by: Grazvydas Ignotas <notasas@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Syed Mohammed Khasim authored
Add omap3 EVM defconfig Signed-off-by: Tony Lindgren <tony@atomide.com>
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Syed Mohammed Khasim authored
Add omap3 EVM support Signed-off-by: Syed Mohammed Khasim <khasim@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Vikram Pandita authored
This patch adds OMAP3 Zoom2 board defconfig. Signed-off-by: Mikkel Christensen <mlc@ti.com> Signed-off-by: Vikram Pandita <vikram.pandita@ti.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Vikram Pandita authored
This patch creates the minimal OMAP3 Zoom2 board support. Signed-off-by: Mikkel Christensen <mlc@ti.com> Signed-off-by: Vikram Pandita <vikram.pandita@ti.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Adrian Hunter authored
Connect VAUX3 to MMC2 Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Grazvydas Ignotas authored
Setup regulators for MMC1 and MMC2 to get those SD slots working again. Signed-off-by: Grazvydas Ignotas <notasas@gmail.com> CC: David Brownell <david-b@pacbell.net> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
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David Brownell authored
Initialize regulators for Beagle and Overo. Patch is based on earlier patches posted to linux-omap mailing list. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
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David Brownell authored
Decouple the HSMMC glue from the twl4030 as the only regulator provider, using the regulator framework instead. This makes the glue's "mmc-twl4030" name become a complete misnomer ... this code could probably all migrate into the HSMMC driver now. Tested on 3430SDP (SD and low-voltage MMC) and Beagle (SD), plus some other boards (including Overo) after they were converted to set up MMC regulators properly. Eventually all boards should just associate a regulator with each MMC controller they use. In some cases (Overo MMC2 and Pandora MMC3, at least) that would be a fixed-voltage regulator with no real software control. As a temporary hack (pending regulator-next updates to make the "fixed.c" regulator become usable) there's a new ocr_mask field for those boards. Patch updated with a fix for disabling vcc_aux by Adrian Hunter <adrian.hunter@nokia.com> Cc: Pierre Ossman <drzeus-list@drzeus.cx> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Tony Lindgren authored
Based on an earlier patches by Stanley.Miao <stanley.miao@windriver.com> and Nishant Kamat <nskamat@ti.com>. Note that at the ads7846 support still needs support for vaux_control for the touchscreen to work. Signed-off-by: Tony Lindgren <tony@atomide.com>
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Imre Deak authored
Based on an earlier patch by Stanley.Miao <stanley.miao@windriver.com> with board-*.c changes split to avoid conflicts with other device updates. Cc: linux-fbdev-devel@lists.sourceforge.net Signed-off-by: Stanley.Miao <stanley.miao@windriver.com> Signed-off-by: Imre Deak <imre.deak@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Paul Walmsley authored
Add timing data for the Qimonda HYB18M512160AF-6 SDRAM chip, used on the OMAP3430SDP boards. Thanks to Rajendra Nayak <rnayak@ti.com> for his help identifying the chip used on 3430SDP. Signed-off-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Paul Walmsley authored
Add timing data for the Micron MT46H32M32LF-6 SDRAM chip, used on the OMAP3 Beagle and EVM boards. Original timing data is from the Micron datasheet PDF downloaded from: http://download.micron.com/pdf/datasheets/dram/mobile/1gb_ddr_mobile_sdram_t48m.pdf Thanks to Rajendra Nayak <rnayak@ti.com> for his help identifying the chips used on Beagle & OMAP3EVM. Signed-off-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Vikram Pandita authored
Move platform_device_register() for serial device to omap_serial_init() There is no need to have arch_initcall() dependency in serial as already board files call the function omap_serial_init() Signed-off-by: Vikram Pandita <vikram.pandita@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Tony Lindgren authored
These are not being used right now, and the processor specific defines should be used instead by any code accessing these registers. Signed-off-by: Tony Lindgren <tony@atomide.com>
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Andrew de Quincey authored
Make 770 LCD work by adding clk_add_alias(). Also remove the old unused functions. Note that the clk_add_alias() could probably be moved to arch/arm/clkdev.c later on. Cc: linux-fbdev-devel@lists.sourceforge.net Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net> Signed-off-by: Imre Deak <imre.deak@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com
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Tony Lindgren authored
Add some entries to MAINTAINERS. Also regroup all omap entries together, and remove an inactive MMC maintainers entry, and Jarkko Lavinen instead. Signed-off-by: Tony Lindgren <tony@atomide.com>
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Imre Deak authored
Based on an earlier patch by Hunyue Yau <hyau@mvista.com> with board-*.c changes split to avoid conflicts with other device updates. Cc: linux-fbdev-devel@lists.sourceforge.net Signed-off-by: Hunyue Yau <hyau@mvista.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Imre Deak <imre.deak@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Tony Lindgren authored
Convert the board-rx51 smc91x code to be generic and make the boards to use it. This allows future recalculation of the timings when the source clock gets scaled. Also correct the rx51 interrupt to be IORESOURCE_IRQ_HIGHLEVEL. Thanks to Paul Walmsley <paul@pwsan.com> for better GPMC timing calculations. Signed-off-by: Tony Lindgren <tony@atomide.com>
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Juha Yrjola authored
Add generic onenand support when connected to GPMC and make the boards to use it. The patch has been modified to make it more generic to support all the boards with GPMC. The patch also remove unused prototype for omap2_onenand_rephase(void). Note that board-apollon.c is currently using the MTD_ONENAND_GENERIC and setting the GPMC timings in the bootloader. Setting the GPMC timings in the bootloader will not allow supporting frequency scaling for the onenand source clock. Signed-off-by: Tony Lindgren <tony@atomide.com>
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Santosh Shilimkar authored
Original OMAP DMA chaining design had chain_id as one of the callback parameters. Patch 538528de changed it to use logical channel instead. Correct the naming for callback to also use logical channel number instead of the chain_id. More details are on this email thread: http://marc.info/?l=linux-omap&m=122961071931459&w=2Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Tomi Valkeinen authored
Implement transparent copy and constant fill features for OMAP2/3. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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Kevin Hilman authored
Update OMAP1-specific PM infrastructure. This is a sync of what is in linux-omap for OMAP1. This mostly de-couples OMAP1 PM from OMAP2/3 PM and renames things accordingly, and removes omap2/3 specific code from OMAP1 specific headers. Original OMAP1 decoupling patch for OMAP PM branch by Paul Walmsley. Cc: Paul Walmsley <paul@pwsan.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Kevin Hilman authored
By default, prevent functional wakeups from inside a module from waking up the IVA2. Let DSP Bridge code handle this when loaded. Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Kevin Hilman authored
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Kevin Hilman authored
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Peter 'p2' De Schrijver authored
Otherwise, bootloaders may leave MUSB in a state which prevents retention. Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Kevin Hilman authored
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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