Author: Gregory Nutt <gnutt@nuttx.org>
arch/arm/src/kinetis: Cosmetic changes from review of coding standard.
Author: David Sidrane <david_s5@nscdg.com>
Merged in david_s5/nuttx/master_kinetis (pull request #710)
kinetis:Add DMA and use it as RX FIFOs on Serial
* Add initial implementation of the DMA
* Add across Kxx family support [WIP]
* Incorporate the DMA into the serial
Add polling to serial
do DMA initialisation at UART startup and fix DMA mux setting.
Fix circular DMA handling in the serial driver.
* Adapt defconfig to enable UART1,4 RXDMA
* [WIP] - refactor this with new CONFIG DMA settings
* kinetis/Kconfig:Bring inline with upstream stucture
1. Use the Serial console configuration from drivers/serial/Kconfig
and friends.
2. Prefix arch specific featurs as such
UARTx_RXDMA->KINETIS_UARTx_RXDMA
* Kinetis:Serial formatting and clean up
* kinetis:DMA Formating and Cleanup
* kinetis:serial Use cleaner DMA API
* kinetis:Make.defs fix duplicate/errant kinetis_dma.o
* kinetis:serial Fix warning/error on only one uart using DMA
The driver can support no DMA on any UART, DMA on some
UARTs or DMA on all UARTs.
In the case of no DMA we disable the DMA based variables
and logic. In the case of all DMA we disable the non
DMA variables and logic, and in the mixed case both
DMA and non DMA variable and logic are enabled.
* kinetis:dma config fix formatting
* kinetis:chip/dma fix formatting
* kinetis:DMA config assume Unknown
Assume KINETIS_DMA_VERSION_UKN for all SoC not versioned
This is as the code was in nuttx prior to this commit
* kinetis:DMAMUX contain versioning- use HAS pattern define Unknown
The pattern for chip versioning is to define 'HAS' constants.
Define KINETIS_DMAMUX_HAS_MONOTONIC_CHCFG to contain the
version numbers to the include soc header and use that define
in the chip headers.
Define the KINETIS_DMAMUX_VERSION_UKN for the default as prior
this commit addressing was by default monotonic for CHCFG
* freedom-k66f:Disable Serial RXDMA
The application has to add calling of the kinetis
serial dma poll as it is application specific.
Approved-by: GregoryN <gnutt@nuttx.org>
Squashed commit of the following:
arch/arm/src/kinetis: Add K28F memory map.
arch/arm/src/include/kinetis and src/kinetis: Add basic chip features and interrupt-related definitions for the K28F
Add serial init to centralize UART/LPUART management
Use kinetis_ not up_ where arch specific
Defined kinetis_[lp]uart_[early]serialinit to facilitate
bring up both UARTs and LPUARTs as devices and a console
Support ordering and merging of serial devices names.
The K whole family line has max 4 or each. But the supported
parts have the maximums listed below:
K46 and K66 3 SPI SPI0-SPI2
K46 and K66 4 I2C I2C0-I2C3
