These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / net / dsa / mv88e6060.c
index c29aebe..0527f48 100644 (file)
@@ -15,9 +15,7 @@
 #include <linux/netdevice.h>
 #include <linux/phy.h>
 #include <net/dsa.h>
-
-#define REG_PORT(p)            (8 + (p))
-#define REG_GLOBAL             0x0f
+#include "mv88e6060.h"
 
 static int reg_read(struct dsa_switch *ds, int addr, int reg)
 {
@@ -26,7 +24,7 @@ static int reg_read(struct dsa_switch *ds, int addr, int reg)
        if (bus == NULL)
                return -EINVAL;
 
-       return mdiobus_read(bus, ds->pd->sw_addr + addr, reg);
+       return mdiobus_read_nested(bus, ds->pd->sw_addr + addr, reg);
 }
 
 #define REG_READ(addr, reg)                                    \
@@ -47,7 +45,7 @@ static int reg_write(struct dsa_switch *ds, int addr, int reg, u16 val)
        if (bus == NULL)
                return -EINVAL;
 
-       return mdiobus_write(bus, ds->pd->sw_addr + addr, reg, val);
+       return mdiobus_write_nested(bus, ds->pd->sw_addr + addr, reg, val);
 }
 
 #define REG_WRITE(addr, reg, val)                              \
@@ -67,13 +65,14 @@ static char *mv88e6060_probe(struct device *host_dev, int sw_addr)
        if (bus == NULL)
                return NULL;
 
-       ret = mdiobus_read(bus, sw_addr + REG_PORT(0), 0x03);
+       ret = mdiobus_read(bus, sw_addr + REG_PORT(0), PORT_SWITCH_ID);
        if (ret >= 0) {
-               if (ret == 0x0600)
+               if (ret == PORT_SWITCH_ID_6060)
                        return "Marvell 88E6060 (A0)";
-               if (ret == 0x0601 || ret == 0x0602)
+               if (ret == PORT_SWITCH_ID_6060_R1 ||
+                   ret == PORT_SWITCH_ID_6060_R2)
                        return "Marvell 88E6060 (B0)";
-               if ((ret & 0xfff0) == 0x0600)
+               if ((ret & PORT_SWITCH_ID_6060_MASK) == PORT_SWITCH_ID_6060)
                        return "Marvell 88E6060";
        }
 
@@ -87,22 +86,26 @@ static int mv88e6060_switch_reset(struct dsa_switch *ds)
        unsigned long timeout;
 
        /* Set all ports to the disabled state. */
-       for (i = 0; i < 6; i++) {
-               ret = REG_READ(REG_PORT(i), 0x04);
-               REG_WRITE(REG_PORT(i), 0x04, ret & 0xfffc);
+       for (i = 0; i < MV88E6060_PORTS; i++) {
+               ret = REG_READ(REG_PORT(i), PORT_CONTROL);
+               REG_WRITE(REG_PORT(i), PORT_CONTROL,
+                         ret & ~PORT_CONTROL_STATE_MASK);
        }
 
        /* Wait for transmit queues to drain. */
        usleep_range(2000, 4000);
 
        /* Reset the switch. */
-       REG_WRITE(REG_GLOBAL, 0x0a, 0xa130);
+       REG_WRITE(REG_GLOBAL, GLOBAL_ATU_CONTROL,
+                 GLOBAL_ATU_CONTROL_SWRESET |
+                 GLOBAL_ATU_CONTROL_ATUSIZE_1024 |
+                 GLOBAL_ATU_CONTROL_ATE_AGE_5MIN);
 
        /* Wait up to one second for reset to complete. */
        timeout = jiffies + 1 * HZ;
        while (time_before(jiffies, timeout)) {
-               ret = REG_READ(REG_GLOBAL, 0x00);
-               if ((ret & 0x8000) == 0x0000)
+               ret = REG_READ(REG_GLOBAL, GLOBAL_STATUS);
+               if (ret & GLOBAL_STATUS_INIT_READY)
                        break;
 
                usleep_range(1000, 2000);
@@ -119,13 +122,15 @@ static int mv88e6060_setup_global(struct dsa_switch *ds)
         * set the maximum frame size to 1536 bytes, and mask all
         * interrupt sources.
         */
-       REG_WRITE(REG_GLOBAL, 0x04, 0x0800);
+       REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL, GLOBAL_CONTROL_MAX_FRAME_1536);
 
        /* Enable automatic address learning, set the address
         * database size to 1024 entries, and set the default aging
         * time to 5 minutes.
         */
-       REG_WRITE(REG_GLOBAL, 0x0a, 0x2130);
+       REG_WRITE(REG_GLOBAL, GLOBAL_ATU_CONTROL,
+                 GLOBAL_ATU_CONTROL_ATUSIZE_1024 |
+                 GLOBAL_ATU_CONTROL_ATE_AGE_5MIN);
 
        return 0;
 }
@@ -139,25 +144,30 @@ static int mv88e6060_setup_port(struct dsa_switch *ds, int p)
         * state to Forwarding.  Additionally, if this is the CPU
         * port, enable Ingress and Egress Trailer tagging mode.
         */
-       REG_WRITE(addr, 0x04, dsa_is_cpu_port(ds, p) ?  0x4103 : 0x0003);
+       REG_WRITE(addr, PORT_CONTROL,
+                 dsa_is_cpu_port(ds, p) ?
+                       PORT_CONTROL_TRAILER |
+                       PORT_CONTROL_INGRESS_MODE |
+                       PORT_CONTROL_STATE_FORWARDING :
+                       PORT_CONTROL_STATE_FORWARDING);
 
        /* Port based VLAN map: give each port its own address
         * database, allow the CPU port to talk to each of the 'real'
         * ports, and allow each of the 'real' ports to only talk to
         * the CPU port.
         */
-       REG_WRITE(addr, 0x06,
-                       ((p & 0xf) << 12) |
-                        (dsa_is_cpu_port(ds, p) ?
-                               ds->phys_port_mask :
-                               (1 << ds->dst->cpu_port)));
+       REG_WRITE(addr, PORT_VLAN_MAP,
+                 ((p & 0xf) << PORT_VLAN_MAP_DBNUM_SHIFT) |
+                  (dsa_is_cpu_port(ds, p) ?
+                       ds->phys_port_mask :
+                       BIT(ds->dst->cpu_port)));
 
        /* Port Association Vector: when learning source addresses
         * of packets, add the address to the address database using
         * a port bitmap that has only the bit for this port set and
         * the other bits clear.
         */
-       REG_WRITE(addr, 0x0b, 1 << p);
+       REG_WRITE(addr, PORT_ASSOC_VECTOR, BIT(p));
 
        return 0;
 }
@@ -177,7 +187,7 @@ static int mv88e6060_setup(struct dsa_switch *ds)
        if (ret < 0)
                return ret;
 
-       for (i = 0; i < 6; i++) {
+       for (i = 0; i < MV88E6060_PORTS; i++) {
                ret = mv88e6060_setup_port(ds, i);
                if (ret < 0)
                        return ret;
@@ -188,16 +198,17 @@ static int mv88e6060_setup(struct dsa_switch *ds)
 
 static int mv88e6060_set_addr(struct dsa_switch *ds, u8 *addr)
 {
-       REG_WRITE(REG_GLOBAL, 0x01, (addr[0] << 8) | addr[1]);
-       REG_WRITE(REG_GLOBAL, 0x02, (addr[2] << 8) | addr[3]);
-       REG_WRITE(REG_GLOBAL, 0x03, (addr[4] << 8) | addr[5]);
+       /* Use the same MAC Address as FD Pause frames for all ports */
+       REG_WRITE(REG_GLOBAL, GLOBAL_MAC_01, (addr[0] << 9) | addr[1]);
+       REG_WRITE(REG_GLOBAL, GLOBAL_MAC_23, (addr[2] << 8) | addr[3]);
+       REG_WRITE(REG_GLOBAL, GLOBAL_MAC_45, (addr[4] << 8) | addr[5]);
 
        return 0;
 }
 
 static int mv88e6060_port_to_phy_addr(int port)
 {
-       if (port >= 0 && port <= 5)
+       if (port >= 0 && port < MV88E6060_PORTS)
                return port;
        return -1;
 }
@@ -225,54 +236,6 @@ mv88e6060_phy_write(struct dsa_switch *ds, int port, int regnum, u16 val)
        return reg_write(ds, addr, regnum, val);
 }
 
-static void mv88e6060_poll_link(struct dsa_switch *ds)
-{
-       int i;
-
-       for (i = 0; i < DSA_MAX_PORTS; i++) {
-               struct net_device *dev;
-               int uninitialized_var(port_status);
-               int link;
-               int speed;
-               int duplex;
-               int fc;
-
-               dev = ds->ports[i];
-               if (dev == NULL)
-                       continue;
-
-               link = 0;
-               if (dev->flags & IFF_UP) {
-                       port_status = reg_read(ds, REG_PORT(i), 0x00);
-                       if (port_status < 0)
-                               continue;
-
-                       link = !!(port_status & 0x1000);
-               }
-
-               if (!link) {
-                       if (netif_carrier_ok(dev)) {
-                               netdev_info(dev, "link down\n");
-                               netif_carrier_off(dev);
-                       }
-                       continue;
-               }
-
-               speed = (port_status & 0x0100) ? 100 : 10;
-               duplex = (port_status & 0x0200) ? 1 : 0;
-               fc = ((port_status & 0xc000) == 0xc000) ? 1 : 0;
-
-               if (!netif_carrier_ok(dev)) {
-                       netdev_info(dev,
-                                   "link up, %d Mb/s, %s duplex, flow control %sabled\n",
-                                   speed,
-                                   duplex ? "full" : "half",
-                                   fc ? "en" : "dis");
-                       netif_carrier_on(dev);
-               }
-       }
-}
-
 static struct dsa_switch_driver mv88e6060_switch_driver = {
        .tag_protocol   = DSA_TAG_PROTO_TRAILER,
        .probe          = mv88e6060_probe,
@@ -280,7 +243,6 @@ static struct dsa_switch_driver mv88e6060_switch_driver = {
        .set_addr       = mv88e6060_set_addr,
        .phy_read       = mv88e6060_phy_read,
        .phy_write      = mv88e6060_phy_write,
-       .poll_link      = mv88e6060_poll_link,
 };
 
 static int __init mv88e6060_init(void)