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path: root/drivers/net/dsa/ocelot/felix.c
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Diffstat (limited to 'drivers/net/dsa/ocelot/felix.c')
-rw-r--r--drivers/net/dsa/ocelot/felix.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
index e2c6bf0e430e..a2dfd73f8a1a 100644
--- a/drivers/net/dsa/ocelot/felix.c
+++ b/drivers/net/dsa/ocelot/felix.c
@@ -7,6 +7,7 @@
#include <soc/mscc/ocelot_sys.h>
#include <soc/mscc/ocelot_dev.h>
#include <soc/mscc/ocelot_ana.h>
+#include <soc/mscc/ocelot_ptp.h>
#include <soc/mscc/ocelot.h>
#include <linux/packing.h>
#include <linux/module.h>
@@ -495,6 +496,23 @@ static int felix_init_structs(struct felix *felix, int num_phys_ports)
return 0;
}
+static struct ptp_clock_info ocelot_ptp_clock_info = {
+ .owner = THIS_MODULE,
+ .name = "felix ptp",
+ .max_adj = 0x7fffffff,
+ .n_alarm = 0,
+ .n_ext_ts = 0,
+ .n_per_out = OCELOT_PTP_PINS_NUM,
+ .n_pins = OCELOT_PTP_PINS_NUM,
+ .pps = 0,
+ .gettime64 = ocelot_ptp_gettime64,
+ .settime64 = ocelot_ptp_settime64,
+ .adjtime = ocelot_ptp_adjtime,
+ .adjfine = ocelot_ptp_adjfine,
+ .verify = ocelot_ptp_verify,
+ .enable = ocelot_ptp_enable,
+};
+
/* Hardware initialization done here so that we can allocate structures with
* devm without fear of dsa_register_switch returning -EPROBE_DEFER and causing
* us to allocate structures twice (leak memory) and map PCI memory twice
@@ -505,12 +523,21 @@ static int felix_setup(struct dsa_switch *ds)
struct ocelot *ocelot = ds->priv;
struct felix *felix = ocelot_to_felix(ocelot);
int port, err;
+ int tc;
err = felix_init_structs(felix, ds->num_ports);
if (err)
return err;
ocelot_init(ocelot);
+ if (ocelot->ptp) {
+ err = ocelot_init_timestamp(ocelot, &ocelot_ptp_clock_info);
+ if (err) {
+ dev_err(ocelot->dev,
+ "Timestamp initialization failed\n");
+ ocelot->ptp = 0;
+ }
+ }
for (port = 0; port < ds->num_ports; port++) {
ocelot_init_port(ocelot, port);
@@ -530,6 +557,12 @@ static int felix_setup(struct dsa_switch *ds)
ocelot_write_rix(ocelot,
ANA_PGID_PGID_PGID(GENMASK(ocelot->num_phys_ports, 0)),
ANA_PGID_PGID, PGID_UC);
+ /* Setup the per-traffic class flooding PGIDs */
+ for (tc = 0; tc < FELIX_NUM_TC; tc++)
+ ocelot_write_rix(ocelot, ANA_FLOODING_FLD_MULTICAST(PGID_MC) |
+ ANA_FLOODING_FLD_BROADCAST(PGID_MC) |
+ ANA_FLOODING_FLD_UNICAST(PGID_UC),
+ ANA_FLOODING, tc);
ds->mtu_enforcement_ingress = true;
/* It looks like the MAC/PCS interrupt register - PM0_IEVENT (0x8040)
@@ -549,6 +582,7 @@ static void felix_teardown(struct dsa_switch *ds)
if (felix->info->mdio_bus_free)
felix->info->mdio_bus_free(ocelot);
+ ocelot_deinit_timestamp(ocelot);
/* stop workqueue thread */
ocelot_deinit(ocelot);
}
@@ -740,6 +774,11 @@ static int felix_pci_probe(struct pci_dev *pdev,
struct felix *felix;
int err;
+ if (pdev->dev.of_node && !of_device_is_available(pdev->dev.of_node)) {
+ dev_info(&pdev->dev, "device is disabled, skipping\n");
+ return -ENODEV;
+ }
+
err = pci_enable_device(pdev);
if (err) {
dev_err(&pdev->dev, "device enable failed\n");