2 * Copyright (c) 2017 Stormshield.
3 * Copyright (c) 2017 Semihalf.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
28 #include "opt_platform.h"
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
38 #include <sys/socket.h>
39 #include <sys/taskqueue.h>
41 #include <net/ethernet.h>
43 #include <net/if_media.h>
45 #include <netinet/in.h>
46 #include <netinet/ip.h>
47 #include <netinet/tcp_lro.h>
49 #include <machine/bus.h>
50 #include <machine/resource.h>
52 #include <dev/ofw/ofw_bus.h>
53 #include <dev/ofw/ofw_bus_subr.h>
55 #include <dev/mii/mii.h>
56 #include <dev/mii/miivar.h>
58 #include "if_mvnetareg.h"
59 #include "if_mvnetavar.h"
61 #define PHY_MODE_MAXLEN 10
62 #define INBAND_STATUS_MAXLEN 16
64 static int mvneta_fdt_probe(device_t);
65 static int mvneta_fdt_attach(device_t);
67 static device_method_t mvneta_fdt_methods[] = {
68 /* Device interface */
69 DEVMETHOD(device_probe, mvneta_fdt_probe),
70 DEVMETHOD(device_attach, mvneta_fdt_attach),
76 DEFINE_CLASS_1(mvneta, mvneta_fdt_driver, mvneta_fdt_methods,
77 sizeof(struct mvneta_softc), mvneta_driver);
79 static devclass_t mvneta_fdt_devclass;
81 DRIVER_MODULE(mvneta, ofwbus, mvneta_fdt_driver, mvneta_fdt_devclass, 0, 0);
82 DRIVER_MODULE(mvneta, simplebus, mvneta_fdt_driver, mvneta_fdt_devclass, 0, 0);
84 static int mvneta_fdt_phy_acquire(device_t);
86 static struct ofw_compat_data compat_data[] = {
87 {"marvell,armada-370-neta", true},
88 {"marvell,armada-3700-neta", true},
93 mvneta_fdt_probe(device_t dev)
96 if (!ofw_bus_status_okay(dev))
99 if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data)
102 device_set_desc(dev, "NETA controller");
103 return (BUS_PROBE_DEFAULT);
107 mvneta_fdt_attach(device_t dev)
109 struct mvneta_softc *sc;
110 uint32_t tx_csum_limit;
113 sc = device_get_softc(dev);
115 /* Try to fetch PHY information from FDT */
116 err = mvneta_fdt_phy_acquire(dev);
120 if (ofw_bus_is_compatible(dev, "marvell,armada-370-neta")) {
121 tx_csum_limit = MVNETA_A370_MAX_CSUM_MTU;
123 tx_csum_limit = MVNETA_A3700_MAX_CSUM_MTU;
126 if (ofw_bus_has_prop(dev, "tx-csum-limit")) {
127 err = OF_getprop(ofw_bus_get_node(dev), "tx-csum-limit",
128 &tx_csum_limit, sizeof(tx_csum_limit));
131 "Failed to acquire tx-csum-limit property\n");
135 sc->tx_csum_limit = tx_csum_limit;
137 return (mvneta_attach(dev));
141 mvneta_fdt_phy_acquire(device_t dev)
143 struct mvneta_softc *sc;
144 phandle_t node, child, phy_handle;
145 char phymode[PHY_MODE_MAXLEN];
146 char managed[INBAND_STATUS_MAXLEN];
149 sc = device_get_softc(dev);
150 node = ofw_bus_get_node(dev);
152 /* PHY mode is crucial */
153 if (OF_getprop(node, "phy-mode", phymode, sizeof(phymode)) <= 0) {
154 device_printf(dev, "Failed to acquire PHY mode from FDT.\n");
158 if (strncmp(phymode, "rgmii-id", 8) == 0)
159 sc->phy_mode = MVNETA_PHY_RGMII_ID;
160 else if (strncmp(phymode, "rgmii", 5) == 0)
161 sc->phy_mode = MVNETA_PHY_RGMII;
162 else if (strncmp(phymode, "sgmii", 5) == 0)
163 sc->phy_mode = MVNETA_PHY_SGMII;
164 else if (strncmp(phymode, "qsgmii", 6) == 0)
165 sc->phy_mode = MVNETA_PHY_QSGMII;
167 sc->phy_mode = MVNETA_PHY_SGMII;
169 /* Check if in-band link status will be used */
170 if (OF_getprop(node, "managed", managed, sizeof(managed)) > 0) {
171 if (strncmp(managed, "in-band-status", 14) == 0) {
172 sc->use_inband_status = TRUE;
173 device_printf(dev, "Use in-band link status.\n");
178 if (OF_getencprop(node, "phy", (void *)&phy_handle,
179 sizeof(phy_handle)) <= 0) {
180 /* Test for fixed-link (present i.e. in 388-gp) */
181 for (child = OF_child(node); child != 0; child = OF_peer(child)) {
182 if (OF_getprop_alloc(child,
183 "name", (void **)&name) <= 0) {
186 if (strncmp(name, "fixed-link", 10) == 0) {
187 free(name, M_OFWPROP);
188 if (OF_getencprop(child, "speed",
189 &sc->phy_speed, sizeof(sc->phy_speed)) <= 0) {
192 "No PHY information.\n");
196 if (OF_hasprop(child, "full-duplex"))
201 /* Keep this flag just for the record */
202 sc->phy_addr = MII_PHY_ANY;
206 free(name, M_OFWPROP);
210 "Could not find PHY information in FDT.\n");
214 phy_handle = OF_instance_to_package(phy_handle);
215 if (OF_getencprop(phy_handle, "reg", &sc->phy_addr,
216 sizeof(sc->phy_addr)) <= 0) {
218 "Could not find PHY address in FDT.\n");
227 mvneta_fdt_mac_address(struct mvneta_softc *sc, uint8_t *addr)
230 uint8_t lmac[ETHER_ADDR_LEN];
231 uint8_t zeromac[] = {[0 ... (ETHER_ADDR_LEN - 1)] = 0};
235 * Retrieve hw address from the device tree.
237 node = ofw_bus_get_node(sc->dev);
241 len = OF_getprop(node, "local-mac-address", (void *)lmac, sizeof(lmac));
242 if (len != ETHER_ADDR_LEN)
245 if (memcmp(lmac, zeromac, ETHER_ADDR_LEN) == 0) {
246 /* Invalid MAC address (all zeros) */
249 memcpy(addr, lmac, ETHER_ADDR_LEN);