From 3226c137788c6c0c6b82bd1b88fd42a2a8ea4cb8 Mon Sep 17 00:00:00 2001 From: raj Date: Mon, 13 Oct 2008 20:07:13 +0000 Subject: Introduce basic support for Marvell families of system-on-chip ARM devices: * Orion - 88F5181 - 88F5182 - 88F5281 * Kirkwood - 88F6281 * Discovery - MV78100 The above families of SOCs are built around CPU cores compliant with ARMv5TE instruction set architecture definition. They share a number of integrated peripherals. This commit brings support for the following basic elements: * GPIO * Interrupt controller * L1, L2 cache * Timers, watchdog, RTC * TWSI (I2C) * UART Other peripherals drivers will be introduced separately. Reviewed by: imp, marcel, stass (Thanks guys!) Obtained from: Marvell, Semihalf --- sys/dev/uart/uart_bus_mbus.c | 81 +++++++++++++++++++++++++++++++++++++++ sys/dev/uart/uart_cpu_mv.c | 90 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 171 insertions(+) create mode 100644 sys/dev/uart/uart_bus_mbus.c create mode 100644 sys/dev/uart/uart_cpu_mv.c (limited to 'sys/dev/uart') diff --git a/sys/dev/uart/uart_bus_mbus.c b/sys/dev/uart/uart_bus_mbus.c new file mode 100644 index 0000000..0d08ad1 --- /dev/null +++ b/sys/dev/uart/uart_bus_mbus.c @@ -0,0 +1,81 @@ +/*- + * Copyright (C) 2007 MARVELL INTERNATIONAL LTD. + * All rights reserved. + * + * Developed by Semihalf. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of MARVELL nor the names of contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include + +#include + +static int uart_mbus_probe(device_t dev); + +static device_method_t uart_mbus_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, uart_mbus_probe), + DEVMETHOD(device_attach, uart_bus_attach), + DEVMETHOD(device_detach, uart_bus_detach), + { 0, 0 } +}; + +static driver_t uart_mbus_driver = { + uart_driver_name, + uart_mbus_methods, + sizeof(struct uart_softc), +}; + +static int +uart_mbus_probe(device_t dev) +{ + struct uart_softc *sc; + int status; + + sc = device_get_softc(dev); + sc->sc_class = &uart_ns8250_class; + status = uart_bus_probe(dev, 2, get_tclk(), 0, 0); + + return(status); +} + +DRIVER_MODULE(uart, mbus, uart_mbus_driver, uart_devclass, 0, 0); diff --git a/sys/dev/uart/uart_cpu_mv.c b/sys/dev/uart/uart_cpu_mv.c new file mode 100644 index 0000000..ec9adbe --- /dev/null +++ b/sys/dev/uart/uart_cpu_mv.c @@ -0,0 +1,90 @@ +/*- + * Copyright (C) 2007 MARVELL INTERNATIONAL LTD. + * All rights reserved. + * + * Developed by Semihalf. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of MARVELL nor the names of contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "opt_uart.h" + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include + +#include + +#include +#include + +#include +#include + +bus_space_tag_t uart_bus_space_io; +bus_space_tag_t uart_bus_space_mem; + +int +uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2) +{ + return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0); +} + +int +uart_cpu_getdev(int devtype, struct uart_devinfo *di) +{ + struct uart_class *class = &uart_ns8250_class; + + /* + * If env specification for UART exists it takes precedence: + * hw.uart.console="mm:0xf1012000" or similar + */ + if (uart_getenv(devtype, di, class) == 0) + return (0); + /* + * Fall back to default UART0 console settings + */ + di->ops = uart_getops(class); + di->bas.chan = 0; + di->bas.bst = obio_tag; + if (bus_space_map(di->bas.bst, MV_UART0_BASE, MV_UART_SIZE, + 0, &di->bas.bsh) != 0) + return (ENXIO); + + di->baudrate = 115200; + di->bas.regshft = 2; + di->bas.rclk = get_tclk(); + di->databits = 8; + di->stopbits = 1; + di->parity = UART_PARITY_NONE; + uart_bus_space_mem = obio_tag; + uart_bus_space_io = NULL; + + return (0); +} -- cgit v1.1