This patch makes necessary changes in the Neptune driver to support 
the new Marvell PHY. It also adds support for the LED blinking
on Neptune cards with Marvell PHY.


diff -uprN -X linux-2.6/Documentation/dontdiff
linux-2.6/drivers/net/niu.c linux-2.6-changed/drivers/net/niu.c
--- linux-2.6/drivers/net/niu.c 2007-12-10 14:14:04.000000000 +0100
+++ linux-2.6-changed/drivers/net/niu.c 2007-12-18 16:47:50.000000000
+0100
@@ -801,22 +801,65 @@ static int bcm8704_init_user_dev3(struct
        return 0;
 }
 
-static int xcvr_init_10g(struct niu *np)
+void mrvl88x2011_act_led(struct niu *np, int val)
 {
-       struct niu_link_config *lp = &np->link_config;
-       u16 analog_stat0, tx_alarm_status;
        int err;
-       u64 val;
 
-       val = nr64_mac(XMAC_CONFIG);
-       val &= ~XMAC_CONFIG_LED_POLARITY;
-       val |= XMAC_CONFIG_FORCE_LED_ON;
-       nw64_mac(XMAC_CONFIG, val);
+#define MRVL88X2011_LED_ACT             1
+#define MRVL88X2011_LED(n,v)            ((v)<<((n)*4))
+#define MRVL88X2011_LED_STAT(n,v)       ((v)>>((n)*4))
 
-       /* XXX shared resource, lock parent XXX */
-       val = nr64(MIF_CONFIG);
-       val |= MIF_CONFIG_INDIRECT_MODE;
-       nw64(MIF_CONFIG, val);
+       err  = mdio_read(np, np->phy_addr, 2, 0x8306);
+       err &= ~MRVL88X2011_LED(MRVL88X2011_LED_ACT,0x7);
+       err |=  MRVL88X2011_LED(MRVL88X2011_LED_ACT,val);
+
+       (void) mdio_write(np, np->phy_addr, 2, 0x8306, err);
+}
+
+void mrvl88x2011_led_blink_rate(struct niu *np, int rate)
+{
+       int err;
+
+       err = mdio_read(np, np->phy_addr, 2, 0x8303);
+       if (err >= 0) {
+               err &= ~0x70;
+               err |= (rate << 4);
+
+               (void) mdio_write(np, np->phy_addr, 2, 0x8303, err);
+       }
+}
+
+static int xcvr_init_10g_mrvl88x2011(struct niu *np)
+{
+       int err;
+
+       /* Set LED functions */
+       mrvl88x2011_led_blink_rate(np, 2);
+       mrvl88x2011_act_led(np, 0);     /* led activity */
+
+       err = mdio_read(np, np->phy_addr, 3, 0x8300);
+       if (err < 0) {
+               return(err);
+       }
+
+       err |= 0x0001;
+
+       err = mdio_write(np, np->phy_addr, 3, 0x8300, err);
+       if (err < 0) {
+               return(err);
+       }
+
+       /* Enable PMD */
+       err = mdio_write(np, np->phy_addr, 1, 0x0009, 0);
+       
+       return (err);
+}
+
+static int xcvr_init_10g_bcm8704(struct niu *np)
+{
+       struct niu_link_config *lp = &np->link_config;
+       u16 analog_stat0, tx_alarm_status;
+       int err;
 
        err = bcm8704_reset(np);
        if (err)
@@ -896,6 +939,39 @@ static int xcvr_init_10g(struct niu *np)
        return 0;
 }
 
+static int xcvr_init_10g(struct niu *np)
+{
+       int err;
+       u64 val;
+       int phy_id;
+
+       val = nr64_mac(XMAC_CONFIG);
+       val &= ~XMAC_CONFIG_LED_POLARITY;
+       val |= XMAC_CONFIG_FORCE_LED_ON;
+       nw64_mac(XMAC_CONFIG, val);
+
+       /* XXX shared resource, lock parent XXX */
+       val = nr64(MIF_CONFIG);
+       val |= MIF_CONFIG_INDIRECT_MODE;
+       nw64(MIF_CONFIG, val);
+
+       phy_id = phy_decode(np->parent->port_phy, np->port);
+       phy_id = np->parent->phy_probe_info.phy_id[phy_id][np->port];
+
+       /* handle different phy types */
+       switch((phy_id & NIU_PHY_ID_MASK)) {
+       case NIU_PHY_ID_MRVL88X2011:
+               err = xcvr_init_10g_mrvl88x2011(np);
+               break;
+
+       default: /* bcom 8704 */
+               err = xcvr_init_10g_bcm8704(np);
+               break;
+       }
+
+       return 0;
+}
+
 static int mii_reset(struct niu *np)
 {
        int limit, err;
@@ -1082,18 +1158,69 @@ static int niu_link_status_common(struct
        return 0;
 }
 
-static int link_status_10g(struct niu *np, int *link_up_p)
+static int link_status_10g_mrvl(struct niu *np, int *link_up_p)
 {
-       unsigned long flags;
-       int err, link_up;
+       int err;
+       int link_up = 0;
+       int pma_status;
+       int pcs_status;
 
-       link_up = 0;
 
-       spin_lock_irqsave(&np->lock, flags);
+       err = mdio_read(np, np->phy_addr, 1, 0x0008);
+       if (err < 0) {
+               goto out;
+       }
 
-       err = -EINVAL;
-       if (np->link_config.loopback_mode != LOOPBACK_DISABLED)
+       /* Check PMA/PMD Register: 1.0001.2 == 1
+         */
+       err = mdio_read(np, np->phy_addr, 1, 0x0001);
+       if (err < 0) {
+               goto out;
+       }
+
+       pma_status = ((err & 0x0004) ? 1:0);
+
+        /* Check PMC Register : 3.0001.2 == 1: read twice
+         */
+       err = mdio_read(np, np->phy_addr, 3, 0x0001);
+       if (err < 0) {
                goto out;
+       }
+       err = mdio_read(np, np->phy_addr, 3, 0x0001);
+       if (err < 0) {
+               goto out;
+       }
+       pcs_status = ((err & 0x0004) ? 1 : 0);
+
+        /* Check XGXS Register : 4.0018.[0-3,12]
+         */
+       err = mdio_read(np, np->phy_addr, 4, 0x0018);
+       if (err < 0) {
+               goto out;
+       }
+
+       if (err == (
+               PHYXS_XGXS_LANE_STAT_ALINGED | PHYXS_XGXS_LANE_STAT_LANE3 |
+               PHYXS_XGXS_LANE_STAT_LANE2 | PHYXS_XGXS_LANE_STAT_LANE1 |
+               PHYXS_XGXS_LANE_STAT_LANE0 | PHYXS_XGXS_LANE_STAT_MAGIC | 
0x800)) {
+
+               link_up = (pma_status && pcs_status) ? 1 : 0;
+       }
+
+       np->link_config.active_speed = SPEED_10000;
+       np->link_config.active_duplex = DUPLEX_FULL;
+       err = 0;
+out:
+       mrvl88x2011_act_led(np, link_up ? 5:0);
+
+       *link_up_p = link_up;
+       return err;
+}
+
+static int link_status_10g_bcom(struct niu *np, int *link_up_p)
+{
+       int err;
+       int link_up = 0;
 
        err = mdio_read(np, np->phy_addr, BCM8704_PMA_PMD_DEV_ADDR,
                        BCM8704_PMD_RCV_SIGDET);
@@ -1134,12 +1261,42 @@ static int link_status_10g(struct niu *n
        err = 0;
 
 out:
-       spin_unlock_irqrestore(&np->lock, flags);
-
        *link_up_p = link_up;
        return err;
 }
 
+static int link_status_10g(struct niu *np, int *link_up_p)
+{
+       unsigned long flags;
+       int err;
+
+       err = -EINVAL;
+
+       spin_lock_irqsave(&np->lock, flags);
+
+       if (np->link_config.loopback_mode == LOOPBACK_DISABLED) {
+               int phy_id;
+
+               phy_id = phy_decode(np->parent->port_phy, np->port);
+               phy_id = np->parent->phy_probe_info.phy_id[phy_id][np->port];
+
+               /* handle different phy types */
+               switch((phy_id & NIU_PHY_ID_MASK)) {
+               case NIU_PHY_ID_MRVL88X2011:
+                       err = link_status_10g_mrvl(np, link_up_p);
+                       break;
+
+               default: /* bcom 8704 */
+                       err = link_status_10g_bcom(np, link_up_p);
+                       break;
+               }
+       }
+
+       spin_unlock_irqrestore(&np->lock, flags);
+
+       return(err);
+}
+
 static int link_status_1g(struct niu *np, int *link_up_p)
 {
        u16 current_speed, bmsr;
@@ -6281,8 +6438,10 @@ static int __devinit phy_record(struct n
 
        if (dev_id_1 < 0 || dev_id_2 < 0)
                return 0;
+
        if (type == PHY_TYPE_PMA_PMD || type == PHY_TYPE_PCS) {
-               if ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM8704)
+               if (((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM8704) &&
+                       ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_MRVL88X2011))
                        return 0;
        } else {
                if ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM5464R)
diff -uprN -X linux-2.6/Documentation/dontdiff
linux-2.6/drivers/net/niu.h linux-2.6-changed/drivers/net/niu.h
--- linux-2.6/drivers/net/niu.h 2007-12-10 14:14:04.000000000 +0100
+++ linux-2.6-changed/drivers/net/niu.h 2007-12-18 15:01:02.000000000
+0100
@@ -2538,6 +2538,7 @@ struct fcram_hash_ipv6 {
 #define NIU_PHY_ID_MASK                        0xfffff0f0
 #define NIU_PHY_ID_BCM8704             0x00206030
 #define NIU_PHY_ID_BCM5464R            0x002060b0
+#define NIU_PHY_ID_MRVL88X2011         0x01410020
 
 #define BCM8704_PMA_PMD_DEV_ADDR       1
 #define BCM8704_PCS_DEV_ADDR           2

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