1/*-
2 * Copyright (c) 2012 Semihalf.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD$");
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/kernel.h>
33#include <sys/bus.h>
34#include <sys/module.h>
35#include <sys/socket.h>
36
37#include <powerpc/mpc85xx/mpc85xx.h>
38
39#include <net/if.h>
40#include <net/if_media.h>
41
42#include <dev/mii/mii.h>
43#include <dev/mii/miivar.h>
44
45#include <dev/fdt/fdt_common.h>
46#include <dev/ofw/ofw_bus.h>
47#include <dev/ofw/ofw_bus_subr.h>
48#include <dev/ofw/openfirm.h>
49
50#include "miibus_if.h"
51
52#include <contrib/ncsw/inc/Peripherals/fm_port_ext.h>
53#include <contrib/ncsw/inc/xx_ext.h>
54
55#include "if_dtsec.h"
56
57
58static int	dtsec_fdt_probe(device_t dev);
59static int	dtsec_fdt_attach(device_t dev);
60
61static device_method_t dtsec_methods[] = {
62	/* Device interface */
63	DEVMETHOD(device_probe,		dtsec_fdt_probe),
64	DEVMETHOD(device_attach,	dtsec_fdt_attach),
65	DEVMETHOD(device_detach,	dtsec_detach),
66
67	DEVMETHOD(device_shutdown,	dtsec_shutdown),
68	DEVMETHOD(device_suspend,	dtsec_suspend),
69	DEVMETHOD(device_resume,	dtsec_resume),
70
71	/* Bus interface */
72	DEVMETHOD(bus_print_child,	bus_generic_print_child),
73	DEVMETHOD(bus_driver_added,	bus_generic_driver_added),
74
75	/* MII interface */
76	DEVMETHOD(miibus_readreg,	dtsec_miibus_readreg),
77	DEVMETHOD(miibus_writereg,	dtsec_miibus_writereg),
78	DEVMETHOD(miibus_statchg,	dtsec_miibus_statchg),
79
80	{ 0, 0 }
81};
82
83static driver_t dtsec_driver = {
84	"dtsec",
85	dtsec_methods,
86	sizeof(struct dtsec_softc),
87};
88
89static devclass_t dtsec_devclass;
90DRIVER_MODULE(dtsec, dpaa, dtsec_driver, dtsec_devclass, 0, 0);
91DRIVER_MODULE(miibus, dtsec, miibus_driver, miibus_devclass, 0, 0);
92MODULE_DEPEND(dtsec, ether, 1, 1, 1);
93MODULE_DEPEND(dtsec, miibus, 1, 1, 1);
94
95static int
96dtsec_fdt_probe(device_t dev)
97{
98
99	if (!ofw_bus_is_compatible(dev, "fsl,dpa-ethernet"))
100		return (ENXIO);
101
102	device_set_desc(dev, "Freescale Data Path Triple Speed Ethernet "
103	    "Controller");
104
105	return (BUS_PROBE_DEFAULT);
106}
107
108static int
109dtsec_fdt_attach(device_t dev)
110{
111	struct dtsec_softc *sc;
112	phandle_t node, enet_node, phy_node;
113	phandle_t fman_rxtx_node[2];
114	char phy_type[6];
115
116	sc = device_get_softc(dev);
117	node = ofw_bus_get_node(dev);
118
119	if (OF_getprop(node, "fsl,fman-mac", (void *)&enet_node,
120	    sizeof(enet_node)) == -1) {
121		device_printf(dev, "Could not load fsl,fman-mac property "
122		    "from DTS\n");
123		return (ENXIO);
124	}
125
126	enet_node = OF_instance_to_package(enet_node);
127
128	if (OF_getprop(enet_node, "local-mac-address",
129	    (void *)sc->sc_mac_addr, 6) == -1) {
130		if (device_get_unit(dev) != 0) {
131			device_printf(dev,
132			    "Could not load local-mac-addr property "
133			    "from DTS\n");
134			return (ENXIO);
135		}
136		sc->sc_hidden = true;
137	}
138
139	/* Get link speed */
140	if (fdt_is_compatible(enet_node, "fsl,fman-1g-mac") != 0)
141		sc->sc_eth_dev_type = ETH_DTSEC;
142	else if (fdt_is_compatible(enet_node, "fsl,fman-10g-mac") != 0)
143		sc->sc_eth_dev_type = ETH_10GSEC;
144	else
145		return(ENXIO);
146
147	/* Get MAC memory offset in SoC */
148	if (OF_getprop(enet_node, "reg", (void *)&sc->sc_mac_mem_offset,
149	    sizeof(sc->sc_mac_mem_offset)) <= 0)
150		return (ENXIO);
151
152	/* Get PHY address */
153	if (OF_getprop(enet_node, "phy-handle", (void *)&phy_node,
154	    sizeof(phy_node)) <= 0)
155		return (ENXIO);
156
157	phy_node = OF_instance_to_package(phy_node);
158
159	if (OF_getprop(phy_node, "reg", (void *)&sc->sc_phy_addr,
160	    sizeof(sc->sc_phy_addr)) <= 0)
161		return (ENXIO);
162
163	/* Get PHY connection type */
164	if (OF_getprop(enet_node, "phy-connection-type", (void *)phy_type,
165	    sizeof(phy_type)) <= 0)
166		return (ENXIO);
167
168	if (!strcmp(phy_type, "sgmii"))
169		sc->sc_mac_enet_mode = e_ENET_MODE_SGMII_1000;
170	else if (!strcmp(phy_type, "rgmii"))
171		sc->sc_mac_enet_mode = e_ENET_MODE_RGMII_1000;
172	else if (!strcmp(phy_type, "xgmii"))
173		/* We set 10 Gigabit mode flag however we don't support it */
174		sc->sc_mac_enet_mode = e_ENET_MODE_XGMII_10000;
175	else
176		return (ENXIO);
177
178	/* Get RX/TX port handles */
179	if (OF_getprop(enet_node, "fsl,port-handles", (void *)fman_rxtx_node,
180	    sizeof(fman_rxtx_node)) <= 0)
181		return (ENXIO);
182
183	if (fman_rxtx_node[0] == 0)
184		return (ENXIO);
185
186	if (fman_rxtx_node[1] == 0)
187		return (ENXIO);
188
189	fman_rxtx_node[0] = OF_instance_to_package(fman_rxtx_node[0]);
190	fman_rxtx_node[1] = OF_instance_to_package(fman_rxtx_node[1]);
191
192	if (fdt_is_compatible(fman_rxtx_node[0], "fsl,fman-port-1g-rx") == 0)
193		return (ENXIO);
194
195	if (fdt_is_compatible(fman_rxtx_node[1], "fsl,fman-port-1g-tx") == 0)
196		return (ENXIO);
197
198	/* Get RX port HW id */
199	if (OF_getprop(fman_rxtx_node[0], "reg", (void *)&sc->sc_port_rx_hw_id,
200	    sizeof(sc->sc_port_rx_hw_id)) <= 0)
201		return (ENXIO);
202
203	/* Get TX port HW id */
204	if (OF_getprop(fman_rxtx_node[1], "reg", (void *)&sc->sc_port_tx_hw_id,
205	    sizeof(sc->sc_port_tx_hw_id)) <= 0)
206		return (ENXIO);
207
208	/* Get QMan channel */
209	if (OF_getprop(fman_rxtx_node[1], "fsl,qman-channel-id",
210	    (void *)&sc->sc_port_tx_qman_chan,
211	    sizeof(sc->sc_port_tx_qman_chan)) <= 0)
212		return (ENXIO);
213
214	return (dtsec_attach(dev));
215}
216