xref: /freebsd/sys/dev/dpaa/if_dtsec_fdt.c (revision a5921bc3653e2e286715e6fe8d473ec0d02da38c)
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 
58 static int	dtsec_fdt_probe(device_t dev);
59 static int	dtsec_fdt_attach(device_t dev);
60 
61 static 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 
83 static driver_t dtsec_driver = {
84 	"dtsec",
85 	dtsec_methods,
86 	sizeof(struct dtsec_softc),
87 };
88 
89 static devclass_t dtsec_devclass;
90 DRIVER_MODULE(dtsec, dpaa, dtsec_driver, dtsec_devclass, 0, 0);
91 DRIVER_MODULE(miibus, dtsec, miibus_driver, miibus_devclass, 0, 0);
92 MODULE_DEPEND(dtsec, ether, 1, 1, 1);
93 MODULE_DEPEND(dtsec, miibus, 1, 1, 1);
94 
95 static int
96 dtsec_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 
108 static int
109 dtsec_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