188aee740f
By using DWC TRM terminology, normal descriptor format should be named extended and alternate descriptor format should be named normal. Should not been functional change. MFC after: 4 weeks
114 lines
3.2 KiB
C
114 lines
3.2 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2019 Ruslan Bukin <br@bsdpad.com>
|
|
*
|
|
* This software was developed by SRI International and the University of
|
|
* Cambridge Computer Laboratory (Department of Computer Science and
|
|
* Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the
|
|
* DARPA SSITH research programme.
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE 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 THE 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 <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
|
|
#include <machine/bus.h>
|
|
|
|
#include <dev/dwc/if_dwc.h>
|
|
#include <dev/dwc/if_dwcvar.h>
|
|
#include <dev/ofw/ofw_bus.h>
|
|
#include <dev/ofw/ofw_bus_subr.h>
|
|
|
|
#include "if_dwc_if.h"
|
|
|
|
static int
|
|
if_dwc_socfpga_probe(device_t dev)
|
|
{
|
|
|
|
if (!ofw_bus_status_okay(dev))
|
|
return (ENXIO);
|
|
|
|
if (!ofw_bus_is_compatible(dev, "altr,socfpga-stmmac"))
|
|
return (ENXIO);
|
|
|
|
device_set_desc(dev, "Altera SOCFPGA Ethernet MAC");
|
|
|
|
return (BUS_PROBE_DEFAULT);
|
|
}
|
|
|
|
static int
|
|
if_dwc_socfpga_init(device_t dev)
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
if_dwc_socfpga_mac_type(device_t dev)
|
|
{
|
|
|
|
return (DWC_GMAC_EXT_DESC);
|
|
}
|
|
|
|
static int
|
|
if_dwc_socfpga_mii_clk(device_t dev)
|
|
{
|
|
phandle_t root;
|
|
|
|
root = OF_finddevice("/");
|
|
|
|
if (ofw_bus_node_is_compatible(root, "altr,socfpga-stratix10"))
|
|
return (GMAC_MII_CLK_35_60M_DIV26);
|
|
|
|
/* Default value. */
|
|
return (GMAC_MII_CLK_25_35M_DIV16);
|
|
}
|
|
|
|
static device_method_t dwc_socfpga_methods[] = {
|
|
DEVMETHOD(device_probe, if_dwc_socfpga_probe),
|
|
|
|
DEVMETHOD(if_dwc_init, if_dwc_socfpga_init),
|
|
DEVMETHOD(if_dwc_mac_type, if_dwc_socfpga_mac_type),
|
|
DEVMETHOD(if_dwc_mii_clk, if_dwc_socfpga_mii_clk),
|
|
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
static devclass_t dwc_socfpga_devclass;
|
|
|
|
extern driver_t dwc_driver;
|
|
|
|
DEFINE_CLASS_1(dwc, dwc_socfpga_driver, dwc_socfpga_methods,
|
|
sizeof(struct dwc_softc), dwc_driver);
|
|
EARLY_DRIVER_MODULE(dwc_socfpga, simplebus, dwc_socfpga_driver,
|
|
dwc_socfpga_devclass, 0, 0, BUS_PASS_SUPPORTDEV + BUS_PASS_ORDER_MIDDLE);
|
|
|
|
MODULE_DEPEND(dwc_socfpga, dwc, 1, 1, 1);
|