This adds PIC32 UART controller support based on driver model.

Signed-off-by: Paul Thacker <paul.thacker@microchip.com>
Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

xilinx_uartlite has been ported to DM, this patch makes the
xilinx-ppc405-generic and the xilinx-ppc440-generic boards use the new
DM driver.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Acked-by: Stefan Roese <sr@denx.de>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>

Use dev_get_addr() instead of reading reg base directly in the driver.
Core function is also more robust.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

ZynqMP is using updated core with cdns,uart-r1p12 compatible string.

Signed-off-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

- Move config option out of board file.
- Remove uartlite address from config file

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Thomas Chou <thomas@wytron.com.tw>

Add support for debug console.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Thomas Chou <thomas@wytron.com.tw>

Enable SPL DM too.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Thomas Chou <thomas@wytron.com.tw>

Zap the rockchip serial compatible string, because rockchip
serial has "snps,dw-apb-uart" compatible string in the dts.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Acked-by: Simon Glass <sjg@chromium.org>

clang-3.8 reports that serial_putc_raw_dev in serial_ns16550.c is
unused.  Further investigation shows that we have 3 places that
implement this function and no callers, remove.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Now that driver model support is available, convert sandbox over to use it.
We can remove a few of the special hooks that sandbox currently has.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>