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Current Path: /usr/src/sys/arm/allwinner

📁 ..
📁 a10
📄 a10_ahci.c(11.44 KB)
📄 a10_codec.c(29.85 KB)
📄 a10_dmac.c(12.17 KB)
📄 a10_dmac.h(6.83 KB)
📄 a10_fb.c(17.2 KB)
📄 a10_hdmi.c(18.95 KB)
📄 a10_hdmiaudio.c(9.97 KB)
📄 a10_sramc.c(3.91 KB)
📄 a10_sramc.h(1.52 KB)
📄 a10_timer.c(12.38 KB)
📁 a13
📁 a20
📁 a31
📄 a31_dmac.c(13.94 KB)
📁 a33
📁 a64
📁 a83t
📄 allwinner_pinctrl.h(1.7 KB)
📄 aw_ccu.c(5.9 KB)
📄 aw_cir.c(13.36 KB)
📄 aw_dwc3.c(3.97 KB)
📄 aw_gmacclk.c(6.93 KB)
📄 aw_gpio.c(36.07 KB)
📄 aw_if_dwc.c(3.9 KB)
📄 aw_machdep.c(8.02 KB)
📄 aw_machdep.h(1.98 KB)
📄 aw_mmc.c(39.6 KB)
📄 aw_mmc.h(9.06 KB)
📄 aw_mp.c(8.67 KB)
📄 aw_mp.h(1.47 KB)
📄 aw_nmi.c(10.26 KB)
📄 aw_pwm.c(9.53 KB)
📄 aw_reset.c(4.18 KB)
📄 aw_rsb.c(12.05 KB)
📄 aw_rtc.c(9.8 KB)
📄 aw_sid.c(9.79 KB)
📄 aw_sid.h(1.57 KB)
📄 aw_spi.c(15.6 KB)
📄 aw_syscon.c(2.85 KB)
📄 aw_thermal.c(17.66 KB)
📄 aw_ts.c(5.76 KB)
📄 aw_usb3phy.c(7.97 KB)
📄 aw_usbphy.c(13.26 KB)
📄 aw_wdog.c(6.98 KB)
📄 aw_wdog.h(1.47 KB)
📄 axp209.c(33.15 KB)
📄 axp209reg.h(7.7 KB)
📄 axp81x.c(40.28 KB)
📁 clkng
📄 files.allwinner(1.87 KB)
📄 files.allwinner_up(49 B)
📁 h3
📁 h6
📄 if_awg.c(46.56 KB)
📄 if_awgreg.h(5.64 KB)
📄 if_emac.c(28.38 KB)
📄 if_emacreg.h(6.45 KB)
📄 std.allwinner(298 B)
📄 std.allwinner_up(280 B)
📄 sunxi_dma_if.m(2.43 KB)

Editing: aw_if_dwc.c

/*-
 * Copyright (c) 2015 Luiz Otavio O Souza <loos@FreeBSD.org>
 * All rights reserved.
 *
 * 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 <arm/allwinner/aw_machdep.h>
#include <dev/extres/clk/clk.h>
#include <dev/extres/regulator/regulator.h>

#include "if_dwc_if.h"

static int
a20_if_dwc_probe(device_t dev)
{

if (!ofw_bus_status_okay(dev))
		return (ENXIO);
	if (!ofw_bus_is_compatible(dev, "allwinner,sun7i-a20-gmac"))
		return (ENXIO);
	device_set_desc(dev, "A20 Gigabit Ethernet Controller");

return (BUS_PROBE_DEFAULT);
}

static int
a20_if_dwc_init(device_t dev)
{
	const char *tx_parent_name;
	char *phy_type;
	clk_t clk_tx, clk_tx_parent;
	regulator_t reg;
	phandle_t node;
	int error;

node = ofw_bus_get_node(dev);

/* Configure PHY for MII or RGMII mode */
	if (OF_getprop_alloc(node, "phy-mode", (void **)&phy_type)) {
		error = clk_get_by_ofw_name(dev, 0, "allwinner_gmac_tx", &clk_tx);
		if (error != 0) {
			device_printf(dev, "could not get tx clk\n");
			return (error);
		}

if (strcmp(phy_type, "rgmii") == 0)
			tx_parent_name = "gmac_int_tx";
		else
			tx_parent_name = "mii_phy_tx";

error = clk_get_by_name(dev, tx_parent_name, &clk_tx_parent);
		if (error != 0) {
			device_printf(dev, "could not get clock '%s'\n",
			    tx_parent_name);
			return (error);
		}

error = clk_set_parent_by_clk(clk_tx, clk_tx_parent);
		if (error != 0) {
			device_printf(dev, "could not set tx clk parent\n");
			return (error);
		}
	}

/* Enable PHY regulator if applicable */
	if (regulator_get_by_ofw_property(dev, 0, "phy-supply", &reg) == 0) {
		error = regulator_enable(reg);
		if (error != 0) {
			device_printf(dev, "could not enable PHY regulator\n");
			return (error);
		}
	}

return (0);
}

static int
a20_if_dwc_mac_type(device_t dev)
{

return (DWC_GMAC_NORMAL_DESC);
}

static int
a20_if_dwc_mii_clk(device_t dev)
{

return (GMAC_MII_CLK_150_250M_DIV102);
}

static device_method_t a20_dwc_methods[] = {
	DEVMETHOD(device_probe,		a20_if_dwc_probe),

DEVMETHOD(if_dwc_init,		a20_if_dwc_init),
	DEVMETHOD(if_dwc_mac_type,	a20_if_dwc_mac_type),
	DEVMETHOD(if_dwc_mii_clk,	a20_if_dwc_mii_clk),

DEVMETHOD_END
};

static devclass_t a20_dwc_devclass;

extern driver_t dwc_driver;

DEFINE_CLASS_1(dwc, a20_dwc_driver, a20_dwc_methods, sizeof(struct dwc_softc),
    dwc_driver);
DRIVER_MODULE(a20_dwc, simplebus, a20_dwc_driver, a20_dwc_devclass, 0, 0);

MODULE_DEPEND(a20_dwc, dwc, 1, 1, 1);

003 File Manager

Editing: aw_if_dwc.c

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