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fca329945b
nuttx/arch/arm/src/samv7
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David Sidrane fca329945b This patch ensures that the TWIHS (i2c) hw get's its clock set when the sequence of 
sam_i2cbus_initialize
sam_i2cbus_uninitialize
sam_i2cbus_initialize

Or twi_reset is called.

I found this a while back in the stm32 family, so there may be more arch-es with this sort of bug. I suppose any driver that has the notion of "do not set the freq if it is already set" could be suspect.
2016-05-23 13:38:34 -06:00
..
chip Fix a copy and paste error concerning the CAN driver. In the file sam_matrix.h the define SAM_MATRIX_CAN0_OFFSET is set to the wrong value. 2016-05-06 04:02:28 -06:00
chip.h SAMV7 EMAC: Fix alignment issue: RX buffers need to be invalidated. This means the alignment of buffers must be at least to the data cache line size at both ends of the buffer 2015-03-28 13:09:01 -06:00
Kconfig Adds a JTAG config and ERASE config to Kconfig to set the CCFG_SYSIO SYSIO Pins 2016-05-19 14:33:54 -06:00
Make.defs Ensure that CONFIG_ARMV7M_STACKCHECK works on the samv7 2016-03-08 17:22:07 -06:00
sam_allocateheap.c Rename board_led_on to board_autoled_on 2015-11-01 09:07:06 -06:00
sam_clockconfig.c SAMV71 and SAME70: Place the Main Oscillator Enable in the board.h 2016-03-04 12:31:54 -06:00
sam_clockconfig.h SAMV7 USB: USB must be enabled before PMC 480MHz clock is enabled 2015-08-11 15:48:26 -06:00
sam_config.h SAMV7: Add configuration support (only) for use of USART as SPI 2015-11-02 13:58:19 -06:00
sam_emac.c Replace irqsave() with enter_critical_section(); replace irqrestore() with leave_critical_section() 2016-02-13 19:11:09 -06:00
sam_ethernet.c SAMV7: Quick'n'dirty port of the SAMA5D4 Ethernet MAC driver to the SAMV7. Still some unresovled issues with DCache handling 2015-03-16 13:51:37 -06:00
sam_ethernet.h SAMV7: Add a sneak internal interface that will allow us to set the MAC address before NSH even starts 2015-03-18 17:23:40 -06:00
sam_freerun.c Replace irqsave() with enter_critical_section(); replace irqrestore() with leave_critical_section() 2016-02-13 19:11:09 -06:00
sam_freerun.h SAM3/4, SAMA5, SAMv7 Tickless: Refuse to call lower-level timer logic if not yet initialized 2016-02-05 10:22:11 -06:00
sam_gpio.c Fix build if the config is not updated 2016-05-19 12:44:58 -10:00
sam_gpio.h Adds a JTAG config and ERASE config to Kconfig to set the CCFG_SYSIO SYSIO Pins 2016-05-19 14:33:54 -06:00
sam_gpioirq.c Correct some spacing issues 2015-10-07 11:39:06 -06:00
sam_hsmci_clkdiv.c Remove executable flag from more .c and .h files 2015-04-09 08:20:57 -06:00
sam_hsmci.c Cosmetic: Remove some harmless kruft left in last commit 2016-02-22 16:58:42 -06:00
sam_hsmci.h Make some file section headers more consistent with standard 2015-04-08 08:04:12 -06:00
sam_irq.c ARM: Fix missing header file. Update comments in all *_irq.c files. 2016-03-09 15:08:58 -06:00
sam_lowputc.c Backing out part of last commit 2016-05-19 15:46:07 -06:00
sam_lowputc.h Make some file section headers more consistent with standard 2015-04-08 08:04:12 -06:00
sam_mcan.c SAMV7: MCAN: Correct typo in MCAN0 configuration 2016-03-11 12:30:57 -06:00
sam_mcan.h Standardize the width of all comment boxes in header files 2015-10-02 17:47:23 -06:00
sam_mpuinit.c Rename CONFIG_ARMV7M_MPU to CONFIG_ARM_MPU so that we can reuse the configuration settings for the ARMV7R MPU 2015-12-14 13:56:21 -06:00
sam_mpuinit.h Rename CONFIG_ARMV7M_MPU to CONFIG_ARM_MPU so that we can reuse the configuration settings for the ARMV7R MPU 2015-12-14 13:56:21 -06:00
sam_oneshot.c Replace irqsave() with enter_critical_section(); replace irqrestore() with leave_critical_section() 2016-02-13 19:11:09 -06:00
sam_oneshot.h SAM3/4, SAMA5, SAMv7 Tickless: Refuse to call lower-level timer logic if not yet initialized 2016-02-05 10:22:11 -06:00
sam_pck.c SAMV7: Add support for PCK6 as a timer/counter clock source 2015-12-04 10:49:20 -06:00
sam_pck.h SAMV7: Extend programmable clock support for queries about the PCK configuration 2015-12-03 14:11:39 -06:00
sam_periphclks.h arch/arm/src/samv7: Add SAME70 memory map 2015-11-14 12:01:28 -06:00
sam_progmem.c arch/arm/src/samv7: Add SAME70 memory map 2015-11-14 12:01:28 -06:00
sam_progmem.h SAMV7 flash logic is complete, uncompiled, and untested 2015-11-12 10:46:59 -06:00
sam_qspi.c Trivial simplification to logic of last commit 2015-11-11 15:17:36 -06:00
sam_qspi.h SAMV71 QSPI: Use new QSPI interface. Can't use SPI interface as planned; the hardware architectue is too different 2015-08-25 15:23:59 -06:00
sam_rswdt.c SAM WDT: Rename up_wdginitialize() functions to something more appropriate for the internal OS interface. 2016-05-18 19:47:48 -06:00
sam_serial.c Standard some naming if code sectino comments 2016-02-21 18:06:09 -06:00
sam_spi_slave.c Replace irqsave() with enter_critical_section(); replace irqrestore() with leave_critical_section() 2016-02-13 19:11:09 -06:00
sam_spi.c SAMV7 SPI: Revise support for Peripheral Chip Select Decoding to address up to 15 slaved 2016-02-25 08:13:33 -06:00
sam_spi.h SAMV7 SPI: Revise support for Peripheral Chip Select Decoding to address up to 15 slaved 2016-02-25 08:13:33 -06:00
sam_ssc.c Replace irqsave() with enter_critical_section(); replace irqrestore() with leave_critical_section() 2016-02-13 19:11:09 -06:00
sam_ssc.h SAMV71: Quick'n'dirty port of the SAMA5 SSC driver to the SAM7. The IP is compatible but there are still some DMA- and Cache-related issues that need to be worked out. 2015-03-12 16:00:38 -06:00
sam_start.c Fix build if the config is not updated 2016-05-19 12:44:58 -10:00
sam_start.h Make some file section headers more consistent with standard 2015-04-08 08:04:12 -06:00
sam_tc.c Fix what I believe to be typos in SAMV7 timer 2016-03-08 17:26:01 -06:00
sam_tc.h SAMV7: Add support for PCK6 as a timer/counter clock source 2015-12-04 10:49:20 -06:00
sam_tickless.c SAM3/4, SAMA5, SAMv7 Tickless: Refuse to call lower-level timer logic if not yet initialized 2016-02-05 10:22:11 -06:00
sam_timerisr.c Costmetic fixes to C coding style 2015-10-05 17:13:53 -06:00
sam_trng.c SAMV7: Port SAMAD5 TRNG driver to the SAMV7 2015-12-06 08:53:31 -06:00
sam_trng.h SAMV7: Port SAMAD5 TRNG driver to the SAMV7 2015-12-06 08:53:31 -06:00
sam_twihs.c This patch ensures that the TWIHS (i2c) hw get's its clock set when the sequence of 2016-05-23 13:38:34 -06:00
sam_twihs.h Rename up_i2c initialize and uninitialize functions using the correct MCU-specific naming 2016-02-02 12:08:23 -06:00
sam_usbdev.h SAMV7: A little more USB-related stuff 2015-03-21 08:54:01 -06:00
sam_usbdevhs.c SAME70: USBHS device workaround for errata; EP7 does not support DMA on some parts 2016-04-20 06:22:04 -06:00
sam_userspace.c SAMV7 protected mode: Don't enable D-Cache until userspace data has been initialized 2015-11-07 09:35:23 -06:00
sam_userspace.h Make some file section headers more consistent with standard 2015-04-08 08:04:12 -06:00
sam_wdt.c SAM WDT: Rename up_wdginitialize() functions to something more appropriate for the internal OS interface. 2016-05-18 19:47:48 -06:00
sam_wdt.h SAM WDT: Rename up_wdginitialize() functions to something more appropriate for the internal OS interface. 2016-05-18 19:47:48 -06:00
sam_xdmac.c SAM (all): Fix several places in DMA logic where a spurious semicolon causes bad conditional logic 2016-05-11 17:26:59 -06:00
sam_xdmac.h SAMV7 XDMAC: Don't sample interrupt status registers in debug mode. This can cause loss of interrupts 2015-11-07 11:25:20 -06:00
same70_periphclks.h arch/arm/src/samv7: Add SAME70 memory map 2015-11-14 12:01:28 -06:00
samv71_periphclks.h arch/arm/src/samv7: Add support for SAME70 peripheral clocks 2015-11-14 11:41:53 -06:00