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* serial: bcm283x_mu: Detect disabled serial deviceAlexander Graf2016-09-06-0/+1
| | | | | | | | | | | | | | | | | | | | On the raspberry pi, you can disable the serial port to gain dynamic frequency scaling which can get handy at times. However, in such a configuration the serial controller gets its rx queue filled up with zero bytes which then happily get transmitted on to whoever calls getc() today. This patch adds detection logic for that case by checking whether the RX pin is mapped to GPIO15 and disables the mini uart if it is not mapped properly. That way we can leave the driver enabled in the tree and can determine during runtime whether serial is usable or not, having a single binary that allows for uart and non-uart operation. Signed-off-by: Alexander Graf <agraf@suse.de> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Reviewed-by: Simon Glass <sjg@chromium.org>
* net/ethoc: support private memory configurationsMax Filippov2016-08-15-0/+1
| | | | | | | | | | | The ethoc device can be configured to have a private memory region instead of having access to the main memory. In that case egress packets must be copied into that memory for transmission and pointers to that memory need to be passed to net_process_received_packet or returned from the recv callback. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
* net/ethoc: add CONFIG_DM_ETH supportMax Filippov2016-08-15-0/+20
| | | | | | | | | | Extract reusable parts from ethoc_init, ethoc_set_mac_address, ethoc_send and ethoc_receive, move the rest under #ifdef CONFIG_DM_ETH. Add U_BOOT_DRIVER, eth_ops structure and implement required methods. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
* dm: imx: serial: Support DTE mode when using driver modelStefan Agner2016-07-19-0/+1
| | | | | | | | | | The MXC UART IP can be run in DTE or DCE mode. This depends on the board wiring and the pinmux used and hence is board specific. This extends platform data with a new field to choose wheather DTE mode shall be used. Signed-off-by: Stefan Agner <stefan.agner@toradex.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* m68k: add DM model serial driverangelo@sysam.it2016-05-17-0/+23
| | | | | | | | Boards can now use DM serial driver, or still legacy mcf uart driver version. Signed-off-by: Angelo Dureghello <angelo@sysam.it> Acked-by: Simon Glass <sjg@chromium.org>
* serial: add BCM283x mini UART driverStephen Warren2016-03-27-0/+24
| | | | | | | | The RPi3 typically uses the regular UART for high-speed communication with the Bluetooth device, leaving us the mini UART to use for the serial console. Add support for this UART so we can use it. Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
* serial: pl01x: Add support for devices with the rate pre-configured.Eric Anholt2016-03-22-0/+3
| | | | | | | | | | | | | For Raspberry Pi, we had the input clock rate to the pl011 fixed in the rpi.c file, but it may be changed by firmware due to user changes to config.txt. Since the firmware always sets up the uart (default 115200 output unless the user changes it), we can just skip our own uart init to simplify the boot process and more reliably get serial output. Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Tom Rini <trini@konsulko.com> Tested-by: Stephen Warren <swarren@wwwdotorg.org>
* stm32x7: add support for stm32x7 serial driverVikas Manocha2016-02-24-0/+17
| | | | | | | This patch adds support for stm32f7 family usart peripheral. Signed-off-by: Vikas Manocha <vikas.manocha@st.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* serial: lpc32xx hsuart: port driver to driver modelVladimir Zapolskiy2016-01-13-0/+18
| | | | | | | | The change ports NXP LPC32xx 14-clock UART device driver to driver model. Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* stm32: Convert serial driver to DMKamil Lulko2015-12-12-0/+16
| | | | | | Signed-off-by: Kamil Lulko <kamil.lulko@gmail.com> Cc: Simon Glass <sjg@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org>
* serial: uniphier: drop platform data supportMasahiro Yamada2015-08-31-18/+0
| | | | | | | | | | This driver is enabled only for UniPhier SoCs and ARCH_UNIPHIER now selects OF_CONTROL and SPL_OF_CONTROL. This driver no longer needs to support platform data configuration. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* dm: sh: serial: Add support driver modelNobuhiro Iwamatsu2015-02-12-0/+37
| | | | | | | | This adds driver model support with this driver. This was tested by Koelsch board and Gose board. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Acked-by: Simon Glass <sjg@chromium.org>
* dm: serial: use Driver Model for UniPhier serial driverMasahiro Yamada2014-10-23-0/+18
| | | | | | | | | | | | | | | | | This commit converts UniPhier on-chip serial driver to driver model. Since UniPhier SoCs do not have Device Tree support, some board files should be added under arch/arm/cpu/armv7/uniphier/ph1-*/ directories. (Device Tree support for UniPhier platform is still under way.) Now the base address and master clock frequency are passed from platform data, so CONFIG_SYS_UNIPHIER_SERIAL_BASE* and CONFIG_SYS_UNIPHIER_UART_CLK should be removed. Tested on UniPhier PH1-LD4 ref board. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org>
* dm: move platform data headers to include/dm/platform_dataMasahiro Yamada2014-10-23-0/+41
The platform_data definitions are generally referenced from both drivers and board files. That is why header files defining platform_data sturectures are placed in "include" directory, but our top level "include" directory is already too cluttered. Let's collect platform_data definitions under the directory "include/dm/platform_data" like Linux gathers ones around under "include/linux/platform_data". This commit moves two header files: include/serial_mxc.h -> include/dm/platform_data/serial_mxc.h include/serial_pl01x.h -> include/dm/platform_data/serial_pl01x.h Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>