Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (37 commits)
  [NETFILTER]: fix ebtable targets return
  [IP_TUNNEL]: Don't limit the number of tunnels with generic name explicitly.
  [NET]: Restore sanity wrt. print_mac().
  [NEIGH]: Fix race between neighbor lookup and table's hash_rnd update.
  [RTNL]: Validate hardware and broadcast address attribute for RTM_NEWLINK
  tg3: ethtool phys_id default
  [BNX2]: Update version to 1.7.4.
  [BNX2]: Disable parallel detect on an HP blade.
  [BNX2]: More 5706S link down workaround.
  ssb: Fix support for PCI devices behind a SSB->PCI bridge
  zd1211rw: fix sparse warnings
  rtl818x: fix sparse warnings
  ssb: Fix pcicore cardbus mode
  ssb: Make the GPIO API reentrancy safe
  ssb: Fix the GPIO API
  ssb: Fix watchdog access for devices without a chipcommon
  ssb: Fix serial console on new bcm47xx devices
  ath5k: Fix build warnings on some 64-bit platforms.
  WDEV, ath5k, don't return int from bool function
  WDEV: ath5k, fix lock imbalance
  ...

20 files changed, 371 insertions, 76 deletions

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 471c7f3e8a4..15853be4680 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -56,8 +56,8 @@
 
 #define DRV_MODULE_NAME		"bnx2"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"1.7.3"
-#define DRV_MODULE_RELDATE	"January 29, 2008"
+#define DRV_MODULE_VERSION	"1.7.4"
+#define DRV_MODULE_RELDATE	"February 18, 2008"
 
 #define RUN_AT(x) (jiffies + (x))
 
@@ -1273,14 +1273,20 @@ bnx2_set_link(struct bnx2 *bp)
 
 	if ((bp->phy_flags & BNX2_PHY_FLAG_SERDES) &&
 	    (CHIP_NUM(bp) == CHIP_NUM_5706)) {
-		u32 val;
+		u32 val, an_dbg;
 
 		if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
 			bnx2_5706s_force_link_dn(bp, 0);
 			bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
 		}
 		val = REG_RD(bp, BNX2_EMAC_STATUS);
-		if (val & BNX2_EMAC_STATUS_LINK)
+
+		bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
+		bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
+		bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &an_dbg);
+
+		if ((val & BNX2_EMAC_STATUS_LINK) &&
+		    !(an_dbg & MISC_SHDW_AN_DBG_NOSYNC))
 			bmsr |= BMSR_LSTATUS;
 		else
 			bmsr &= ~BMSR_LSTATUS;
@@ -5356,11 +5362,15 @@ bnx2_test_intr(struct bnx2 *bp)
 	return -ENODEV;
 }
 
+/* Determining link for parallel detection. */
 static int
 bnx2_5706_serdes_has_link(struct bnx2 *bp)
 {
 	u32 mode_ctl, an_dbg, exp;
 
+	if (bp->phy_flags & BNX2_PHY_FLAG_NO_PARALLEL)
+		return 0;
+
 	bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_MODE_CTL);
 	bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &mode_ctl);
 
@@ -5390,13 +5400,6 @@ bnx2_5706_serdes_timer(struct bnx2 *bp)
 	int check_link = 1;
 
 	spin_lock(&bp->phy_lock);
-	if (bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN) {
-		bnx2_5706s_force_link_dn(bp, 0);
-		bp->phy_flags &= ~BNX2_PHY_FLAG_FORCED_DOWN;
-		spin_unlock(&bp->phy_lock);
-		return;
-	}
-
 	if (bp->serdes_an_pending) {
 		bp->serdes_an_pending--;
 		check_link = 0;
@@ -5420,7 +5423,6 @@ bnx2_5706_serdes_timer(struct bnx2 *bp)
 		 (bp->phy_flags & BNX2_PHY_FLAG_PARALLEL_DETECT)) {
 		u32 phy2;
 
-		check_link = 0;
 		bnx2_write_phy(bp, 0x17, 0x0f01);
 		bnx2_read_phy(bp, 0x15, &phy2);
 		if (phy2 & 0x20) {
@@ -5435,17 +5437,21 @@ bnx2_5706_serdes_timer(struct bnx2 *bp)
 	} else
 		bp->current_interval = bp->timer_interval;
 
-	if (bp->link_up && (bp->autoneg & AUTONEG_SPEED) && check_link) {
+	if (check_link) {
 		u32 val;
 
 		bnx2_write_phy(bp, MII_BNX2_MISC_SHADOW, MISC_SHDW_AN_DBG);
 		bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
 		bnx2_read_phy(bp, MII_BNX2_MISC_SHADOW, &val);
 
-		if (val & MISC_SHDW_AN_DBG_NOSYNC) {
-			bnx2_5706s_force_link_dn(bp, 1);
-			bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
-		}
+		if (bp->link_up && (val & MISC_SHDW_AN_DBG_NOSYNC)) {
+			if (!(bp->phy_flags & BNX2_PHY_FLAG_FORCED_DOWN)) {
+				bnx2_5706s_force_link_dn(bp, 1);
+				bp->phy_flags |= BNX2_PHY_FLAG_FORCED_DOWN;
+			} else
+				bnx2_set_link(bp);
+		} else if (!bp->link_up && !(val & MISC_SHDW_AN_DBG_NOSYNC))
+			bnx2_set_link(bp);
 	}
 	spin_unlock(&bp->phy_lock);
 }
@@ -7326,7 +7332,15 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
 			bp->flags |= BNX2_FLAG_NO_WOL;
 			bp->wol = 0;
 		}
-		if (CHIP_NUM(bp) != CHIP_NUM_5706) {
+		if (CHIP_NUM(bp) == CHIP_NUM_5706) {
+			/* Don't do parallel detect on this board because of
+			 * some board problems.  The link will not go down
+			 * if we do parallel detect.
+			 */
+			if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
+			    pdev->subsystem_device == 0x310c)
+				bp->phy_flags |= BNX2_PHY_FLAG_NO_PARALLEL;
+		} else {
 			bp->phy_addr = 2;
 			if (reg & BNX2_SHARED_HW_CFG_PHY_2_5G)
 				bp->phy_flags |= BNX2_PHY_FLAG_2_5G_CAPABLE;
diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index 3aa0364942e..1eaf5bb3d9c 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -6673,6 +6673,7 @@ struct bnx2 {
 #define BNX2_PHY_FLAG_DIS_EARLY_DAC		0x00000400
 #define BNX2_PHY_FLAG_REMOTE_PHY_CAP		0x00000800
 #define BNX2_PHY_FLAG_FORCED_DOWN		0x00001000
+#define BNX2_PHY_FLAG_NO_PARALLEL		0x00002000
 
 	u32			mii_bmcr;
 	u32			mii_bmsr;
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index e98ce1e4965..d11ba61baa4 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -1616,12 +1616,13 @@ static int niu_enable_alt_mac(struct niu *np, int index, int on)
 	if (index >= niu_num_alt_addr(np))
 		return -EINVAL;
 
-	if (np->flags & NIU_FLAGS_XMAC)
+	if (np->flags & NIU_FLAGS_XMAC) {
 		reg = XMAC_ADDR_CMPEN;
-	else
+		mask = 1 << index;
+	} else {
 		reg = BMAC_ADDR_CMPEN;
-
-	mask = 1 << index;
+		mask = 1 << (index + 1);
+	}
 
 	val = nr64_mac(reg);
 	if (on)
diff --git a/drivers/net/niu.h b/drivers/net/niu.h
index 0e8626adc57..59dc05fcd37 100644
--- a/drivers/net/niu.h
+++ b/drivers/net/niu.h
@@ -499,7 +499,7 @@
 #define BMAC_ADDR2			0x00110UL
 #define  BMAC_ADDR2_ADDR2		0x000000000000ffffULL
 
-#define BMAC_NUM_ALT_ADDR		7
+#define BMAC_NUM_ALT_ADDR		6
 
 #define BMAC_ALT_ADDR0(NUM)		(0x00118UL + (NUM)*0x18UL)
 #define  BMAC_ALT_ADDR0_ADDR0		0x000000000000ffffULL
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index db606b60388..26ffb67f1da 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -8781,7 +8781,7 @@ static int tg3_phys_id(struct net_device *dev, u32 data)
 		return -EAGAIN;
 
 	if (data == 0)
-		data = 2;
+		data = UINT_MAX / 2;
 
 	for (i = 0; i < (data * 2); i++) {
 		if ((i % 2) == 0)
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 3f67a29593b..e2ad98bee6e 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -244,18 +244,6 @@ static int veth_open(struct net_device *dev)
 	return 0;
 }
 
-static int veth_close(struct net_device *dev)
-{
-	struct veth_priv *priv;
-
-	if (netif_carrier_ok(dev)) {
-		priv = netdev_priv(dev);
-		netif_carrier_off(dev);
-		netif_carrier_off(priv->peer);
-	}
-	return 0;
-}
-
 static int veth_dev_init(struct net_device *dev)
 {
 	struct veth_net_stats *stats;
@@ -286,13 +274,50 @@ static void veth_setup(struct net_device *dev)
 	dev->hard_start_xmit = veth_xmit;
 	dev->get_stats = veth_get_stats;
 	dev->open = veth_open;
-	dev->stop = veth_close;
 	dev->ethtool_ops = &veth_ethtool_ops;
 	dev->features |= NETIF_F_LLTX;
 	dev->init = veth_dev_init;
 	dev->destructor = veth_dev_free;
 }
 
+static void veth_change_state(struct net_device *dev)
+{
+	struct net_device *peer;
+	struct veth_priv *priv;
+
+	priv = netdev_priv(dev);
+	peer = priv->peer;
+
+	if (netif_carrier_ok(peer)) {
+		if (!netif_carrier_ok(dev))
+			netif_carrier_on(dev);
+	} else {
+		if (netif_carrier_ok(dev))
+			netif_carrier_off(dev);
+	}
+}
+
+static int veth_device_event(struct notifier_block *unused,
+			     unsigned long event, void *ptr)
+{
+	struct net_device *dev = ptr;
+
+	if (dev->open != veth_open)
+		goto out;
+
+	switch (event) {
+	case NETDEV_CHANGE:
+		veth_change_state(dev);
+		break;
+	}
+out:
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block veth_notifier_block __read_mostly = {
+	.notifier_call	= veth_device_event,
+};
+
 /*
  * netlink interface
  */
@@ -454,12 +479,14 @@ static struct rtnl_link_ops veth_link_ops = {
 
 static __init int veth_init(void)
 {
+	register_netdevice_notifier(&veth_notifier_block);
 	return rtnl_link_register(&veth_link_ops);
 }
 
 static __exit void veth_exit(void)
 {
 	rtnl_link_unregister(&veth_link_ops);
+	unregister_netdevice_notifier(&veth_notifier_block);
 }
 
 module_init(veth_init);
diff --git a/drivers/net/wireless/ath5k/ath5k.h b/drivers/net/wireless/ath5k/ath5k.h
index c79066b38d3..69dea339261 100644
--- a/drivers/net/wireless/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath5k/ath5k.h
@@ -1035,7 +1035,7 @@ struct ath5k_hw {
 		unsigned int, unsigned int, enum ath5k_pkt_type, unsigned int,
 		unsigned int, unsigned int, unsigned int, unsigned int,
 		unsigned int, unsigned int, unsigned int);
-	bool (*ah_setup_xtx_desc)(struct ath5k_hw *, struct ath5k_desc *,
+	int (*ah_setup_xtx_desc)(struct ath5k_hw *, struct ath5k_desc *,
 		unsigned int, unsigned int, unsigned int, unsigned int,
 		unsigned int, unsigned int);
 	int (*ah_proc_tx_desc)(struct ath5k_hw *, struct ath5k_desc *);
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index dfdaec02073..bef967ce34a 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -668,7 +668,10 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
 	 * return false w/o doing anything.  MAC's that do
 	 * support it will return true w/o doing anything.
 	 */
-	if (ah->ah_setup_xtx_desc(ah, NULL, 0, 0, 0, 0, 0, 0))
+	ret = ah->ah_setup_xtx_desc(ah, NULL, 0, 0, 0, 0, 0, 0);
+	if (ret < 0)
+		goto err;
+	if (ret > 0)
 		__set_bit(ATH_STAT_MRRETRY, sc->status);
 
 	/*
@@ -1715,6 +1718,7 @@ ath5k_tasklet_rx(unsigned long data)
 			break;
 		else if (unlikely(ret)) {
 			ATH5K_ERR(sc, "error in processing rx descriptor\n");
+			spin_unlock(&sc->rxbuflock);
 			return;
 		}
 
@@ -2126,8 +2130,9 @@ ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf)
 			"updated timers based on beacon TSF\n");
 
 	ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON,
-		"bc_tsf %llx hw_tsf %llx bc_tu %u hw_tu %u nexttbtt %u\n",
-		bc_tsf, hw_tsf, bc_tu, hw_tu, nexttbtt);
+			  "bc_tsf %llx hw_tsf %llx bc_tu %u hw_tu %u nexttbtt %u\n",
+			  (unsigned long long) bc_tsf,
+			  (unsigned long long) hw_tsf, bc_tu, hw_tu, nexttbtt);
 	ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON, "intval %u %s %s\n",
 		intval & AR5K_BEACON_PERIOD,
 		intval & AR5K_BEACON_ENA ? "AR5K_BEACON_ENA" : "",
@@ -2385,10 +2390,11 @@ ath5k_intr(int irq, void *dev_id)
 					u64 tsf = ath5k_hw_get_tsf64(ah);
 					sc->nexttbtt += sc->bintval;
 					ATH5K_DBG(sc, ATH5K_DEBUG_BEACON,
-						"SWBA nexttbtt: %x hw_tu: %x "
-						"TSF: %llx\n",
-						sc->nexttbtt,
-						TSF_TO_TU(tsf), tsf);
+						  "SWBA nexttbtt: %x hw_tu: %x "
+						  "TSF: %llx\n",
+						  sc->nexttbtt,
+						  TSF_TO_TU(tsf),
+						  (unsigned long long) tsf);
 				} else {
 					ath5k_beacon_send(sc);
 				}
diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c
index 1ab57aa6e4d..c2de2d958e8 100644
--- a/drivers/net/wireless/ath5k/hw.c
+++ b/drivers/net/wireless/ath5k/hw.c
@@ -45,7 +45,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *, struct ath5k_desc *,
 	unsigned int, unsigned int, enum ath5k_pkt_type, unsigned int,
 	unsigned int, unsigned int, unsigned int, unsigned int, unsigned int,
 	unsigned int, unsigned int);
-static bool ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *, struct ath5k_desc *,
+static int ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *, struct ath5k_desc *,
 	unsigned int, unsigned int, unsigned int, unsigned int, unsigned int,
 	unsigned int);
 static int ath5k_hw_proc_4word_tx_status(struct ath5k_hw *, struct ath5k_desc *);
@@ -3743,7 +3743,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah,
 /*
  * Initialize a 4-word multirate tx descriptor on 5212
  */
-static bool
+static int
 ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
 	unsigned int tx_rate1, u_int tx_tries1, u_int tx_rate2, u_int tx_tries2,
 	unsigned int tx_rate3, u_int tx_tries3)
@@ -3783,10 +3783,10 @@ ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
 
 #undef _XTX_TRIES
 
-		return true;
+		return 1;
 	}
 
-	return false;
+	return 0;
 }
 
 /*
diff --git a/drivers/net/wireless/p54usb.c b/drivers/net/wireless/p54usb.c
index 60d286eb0b8..e7d4aee8799 100644
--- a/drivers/net/wireless/p54usb.c
+++ b/drivers/net/wireless/p54usb.c
@@ -35,6 +35,7 @@ static struct usb_device_id p54u_table[] __devinitdata = {
 	{USB_DEVICE(0x0707, 0xee06)},	/* SMC 2862W-G */
 	{USB_DEVICE(0x083a, 0x4501)},	/* Accton 802.11g WN4501 USB */
 	{USB_DEVICE(0x083a, 0x4502)},	/* Siemens Gigaset USB Adapter */
+	{USB_DEVICE(0x083a, 0x5501)},	/* Phillips CPWUA054 */
 	{USB_DEVICE(0x0846, 0x4200)},	/* Netgear WG121 */
 	{USB_DEVICE(0x0846, 0x4210)},	/* Netgear WG121 the second ? */
 	{USB_DEVICE(0x0846, 0x4220)},	/* Netgear WG111 */
@@ -62,6 +63,7 @@ static struct usb_device_id p54u_table[] __devinitdata = {
 	{USB_DEVICE(0x0cde, 0x0008)},	/* Sagem XG703A */
 	{USB_DEVICE(0x0d8e, 0x3762)},	/* DLink DWL-G120 Cohiba */
 	{USB_DEVICE(0x09aa, 0x1000)},	/* Spinnaker Proto board */
+	{USB_DEVICE(0x13b1, 0x000a)},	/* Linksys WUSB54G ver 2 */
 	{USB_DEVICE(0x13B1, 0x000C)},	/* Linksys WUSB54AG */
 	{USB_DEVICE(0x1435, 0x0427)},	/* Inventel UR054G */
 	{USB_DEVICE(0x2001, 0x3704)},	/* DLink DWL-G122 rev A2 */
diff --git a/drivers/net/wireless/rtl8180_dev.c b/drivers/net/wireless/rtl8180_dev.c
index 27ebd689aa2..5e9a8ace0d8 100644
--- a/drivers/net/wireless/rtl8180_dev.c
+++ b/drivers/net/wireless/rtl8180_dev.c
@@ -135,13 +135,15 @@ static void rtl8180_handle_tx(struct ieee80211_hw *dev, unsigned int prio)
 	while (skb_queue_len(&ring->queue)) {
 		struct rtl8180_tx_desc *entry = &ring->desc[ring->idx];
 		struct sk_buff *skb;
-		struct ieee80211_tx_status status = { {0} };
+		struct ieee80211_tx_status status;
 		struct ieee80211_tx_control *control;
 		u32 flags = le32_to_cpu(entry->flags);
 
 		if (flags & RTL8180_TX_DESC_FLAG_OWN)
 			return;
 
+		memset(&status, 0, sizeof(status));
+
 		ring->idx = (ring->idx + 1) % ring->entries;
 		skb = __skb_dequeue(&ring->queue);
 		pci_unmap_single(priv->pdev, le32_to_cpu(entry->tx_buf),
diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c
index 0d71716d750..f44505994a0 100644
--- a/drivers/net/wireless/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl8187_dev.c
@@ -113,10 +113,12 @@ void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data)
 
 static void rtl8187_tx_cb(struct urb *urb)
 {
-	struct ieee80211_tx_status status = { {0} };
+	struct ieee80211_tx_status status;
 	struct sk_buff *skb = (struct sk_buff *)urb->context;
 	struct rtl8187_tx_info *info = (struct rtl8187_tx_info *)skb->cb;
 
+	memset(&status, 0, sizeof(status));
+
 	usb_free_urb(info->urb);
 	if (info->control)
 		memcpy(&status.control, info->control, sizeof(status.control));
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 49127e4b42c..76ef2d83919 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -360,11 +360,14 @@ void zd_mac_tx_failed(struct ieee80211_hw *hw)
 {
 	struct sk_buff_head *q = &zd_hw_mac(hw)->ack_wait_queue;
 	struct sk_buff *skb;
-	struct ieee80211_tx_status status = {{0}};
+	struct ieee80211_tx_status status;
 
 	skb = skb_dequeue(q);
 	if (skb == NULL)
 		return;
+
+	memset(&status, 0, sizeof(status));
+
 	tx_status(hw, skb, &status, 0);
 }
 
@@ -389,7 +392,8 @@ void zd_mac_tx_to_dev(struct sk_buff *skb, int error)
 		if (unlikely(error ||
 		    (cb->control->flags & IEEE80211_TXCTL_NO_ACK)))
 		{
-			struct ieee80211_tx_status status = {{0}};
+			struct ieee80211_tx_status status;
+			memset(&status, 0, sizeof(status));
 			tx_status(hw, skb, &status, !error);
 		} else {
 			struct sk_buff_head *q =
@@ -603,7 +607,9 @@ static int filter_ack(struct ieee80211_hw *hw, struct ieee80211_hdr *rx_hdr,
 		tx_hdr = (struct ieee80211_hdr *)skb->data;
 		if (likely(!compare_ether_addr(tx_hdr->addr2, rx_hdr->addr1)))
 		{
-			struct ieee80211_tx_status status = {{0}};
+			struct ieee80211_tx_status status;
+
+			memset(&status, 0, sizeof(status));
 			status.flags = IEEE80211_TX_STATUS_ACK;
 			status.ack_signal = stats->ssi;
 			__skb_unlink(skb, q);
diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig
index d976660cb7f..78fd33125e0 100644
--- a/drivers/ssb/Kconfig
+++ b/drivers/ssb/Kconfig
@@ -105,6 +105,12 @@ config SSB_DRIVER_MIPS
 
 	  If unsure, say N
 
+# Assumption: We are on embedded, if we compile the MIPS core.
+config SSB_EMBEDDED
+	bool
+	depends on SSB_DRIVER_MIPS
+	default y
+
 config SSB_DRIVER_EXTIF
 	bool "SSB Broadcom EXTIF core driver (EXPERIMENTAL)"
 	depends on SSB_DRIVER_MIPS && EXPERIMENTAL
diff --git a/drivers/ssb/Makefile b/drivers/ssb/Makefile
index 7be39759580..e235144add7 100644
--- a/drivers/ssb/Makefile
+++ b/drivers/ssb/Makefile
@@ -1,5 +1,6 @@
 # core
 ssb-y					+= main.o scan.o
+ssb-$(CONFIG_SSB_EMBEDDED)		+= embedded.o
 
 # host support
 ssb-$(CONFIG_SSB_PCIHOST)		+= pci.o pcihost_wrapper.o
diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c
index 6fbf1c53b6f..e586321a473 100644
--- a/drivers/ssb/driver_chipcommon.c
+++ b/drivers/ssb/driver_chipcommon.c
@@ -39,12 +39,14 @@ static inline void chipco_write32(struct ssb_chipcommon *cc,
 	ssb_write32(cc->dev, offset, value);
 }
 
-static inline void chipco_write32_masked(struct ssb_chipcommon *cc, u16 offset,
-					 u32 mask, u32 value)
+static inline u32 chipco_write32_masked(struct ssb_chipcommon *cc, u16 offset,
+					u32 mask, u32 value)
 {
 	value &= mask;
 	value |= chipco_read32(cc, offset) & ~mask;
 	chipco_write32(cc, offset, value);
+
+	return value;
 }
 
 void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc,
@@ -356,14 +358,29 @@ u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask)
 	return chipco_read32(cc, SSB_CHIPCO_GPIOIN) & mask;
 }
 
-void ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value)
+u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value)
+{
+	return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value);
+}
+
+u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value)
+{
+	return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value);
+}
+
+u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value)
+{
+	return chipco_write32_masked(cc, SSB_CHIPCO_GPIOCTL, mask, value);
+}
+
+u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value)
 {
-	chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value);
+	return chipco_write32_masked(cc, SSB_CHIPCO_GPIOIRQ, mask, value);
 }
 
-void ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value)
+u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value)
 {
-	chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value);
+	return chipco_write32_masked(cc, SSB_CHIPCO_GPIOPOL, mask, value);
 }
 
 #ifdef CONFIG_SSB_SERIAL
@@ -376,6 +393,7 @@ int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
 	unsigned int irq;
 	u32 baud_base, div;
 	u32 i, n;
+	unsigned int ccrev = cc->dev->id.revision;
 
 	plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT);
 	irq = ssb_mips_irq(cc->dev);
@@ -387,14 +405,39 @@ int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
 						chipco_read32(cc, SSB_CHIPCO_CLOCK_M2));
 		div = 1;
 	} else {
-		if (cc->dev->id.revision >= 11) {
+		if (ccrev == 20) {
+			/* BCM5354 uses constant 25MHz clock */
+			baud_base = 25000000;
+			div = 48;
+			/* Set the override bit so we don't divide it */
+			chipco_write32(cc, SSB_CHIPCO_CORECTL,
+				       chipco_read32(cc, SSB_CHIPCO_CORECTL)
+				       | SSB_CHIPCO_CORECTL_UARTCLK0);
+		} else if ((ccrev >= 11) && (ccrev != 15)) {
 			/* Fixed ALP clock */
 			baud_base = 20000000;
+			if (cc->capabilities & SSB_CHIPCO_CAP_PMU) {
+				/* FIXME: baud_base is different for devices with a PMU */
+				SSB_WARN_ON(1);
+			}
 			div = 1;
+			if (ccrev >= 21) {
+				/* Turn off UART clock before switching clocksource. */
+				chipco_write32(cc, SSB_CHIPCO_CORECTL,
+					       chipco_read32(cc, SSB_CHIPCO_CORECTL)
+					       & ~SSB_CHIPCO_CORECTL_UARTCLKEN);
+			}
 			/* Set the override bit so we don't divide it */
 			chipco_write32(cc, SSB_CHIPCO_CORECTL,
-				       SSB_CHIPCO_CORECTL_UARTCLK0);
-		} else if (cc->dev->id.revision >= 3) {
+				       chipco_read32(cc, SSB_CHIPCO_CORECTL)
+				       | SSB_CHIPCO_CORECTL_UARTCLK0);
+			if (ccrev >= 21) {
+				/* Re-enable the UART clock. */
+				chipco_write32(cc, SSB_CHIPCO_CORECTL,
+					       chipco_read32(cc, SSB_CHIPCO_CORECTL)
+					       | SSB_CHIPCO_CORECTL_UARTCLKEN);
+			}
+		} else if (ccrev >= 3) {
 			/* Internal backplane clock */
 			baud_base = ssb_clockspeed(bus);
 			div = chipco_read32(cc, SSB_CHIPCO_CLKDIV)
@@ -406,7 +449,7 @@ int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
 		}
 
 		/* Clock source depends on strapping if UartClkOverride is unset */
-		if ((cc->dev->id.revision > 0) &&
+		if ((ccrev > 0) &&
 		    !(chipco_read32(cc, SSB_CHIPCO_CORECTL) & SSB_CHIPCO_CORECTL_UARTCLK0)) {
 			if ((cc->capabilities & SSB_CHIPCO_CAP_UARTCLK) ==
 			    SSB_CHIPCO_CAP_UARTCLK_INT) {
@@ -428,7 +471,7 @@ int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
 		cc_mmio = cc->dev->bus->mmio + (cc->dev->core_index * SSB_CORE_SIZE);
 		uart_regs = cc_mmio + SSB_CHIPCO_UART0_DATA;
 		/* Offset changed at after rev 0 */
-		if (cc->dev->id.revision == 0)
+		if (ccrev == 0)
 			uart_regs += (i * 8);
 		else
 			uart_regs += (i * 256);
diff --git a/drivers/ssb/driver_extif.c b/drivers/ssb/driver_extif.c
index fe55eb8b038..c3e1d3e6d61 100644
--- a/drivers/ssb/driver_extif.c
+++ b/drivers/ssb/driver_extif.c
@@ -27,12 +27,14 @@ static inline void extif_write32(struct ssb_extif *extif, u16 offset, u32 value)
 	ssb_write32(extif->dev, offset, value);
 }
 
-static inline void extif_write32_masked(struct ssb_extif *extif, u16 offset,
-					u32 mask, u32 value)
+static inline u32 extif_write32_masked(struct ssb_extif *extif, u16 offset,
+				       u32 mask, u32 value)
 {
 	value &= mask;
 	value |= extif_read32(extif, offset) & ~mask;
 	extif_write32(extif, offset, value);
+
+	return value;
 }
 
 #ifdef CONFIG_SSB_SERIAL
@@ -110,20 +112,35 @@ void ssb_extif_get_clockcontrol(struct ssb_extif *extif,
 	*m = extif_read32(extif, SSB_EXTIF_CLOCK_SB);
 }
 
+void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
+				  u32 ticks)
+{
+	extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks);
+}
+
 u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask)
 {
 	return extif_read32(extif, SSB_EXTIF_GPIO_IN) & mask;
 }
 
-void ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value)
+u32 ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value)
 {
 	return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUT(0),
 				   mask, value);
 }
 
-void ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value)
+u32 ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value)
 {
 	return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUTEN(0),
 				   mask, value);
 }
 
+u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, u32 mask, u32 value)
+{
+	return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTPOL, mask, value);
+}
+
+u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, u32 mask, u32 value)
+{
+	return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTMASK, mask, value);
+}
diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index 2faaa906d5d..6d99a988005 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -11,6 +11,7 @@
 #include <linux/ssb/ssb.h>
 #include <linux/pci.h>
 #include <linux/delay.h>
+#include <linux/ssb/ssb_embedded.h>
 
 #include "ssb_private.h"
 
@@ -27,6 +28,18 @@ void pcicore_write32(struct ssb_pcicore *pc, u16 offset, u32 value)
 	ssb_write32(pc->dev, offset, value);
 }
 
+static inline
+u16 pcicore_read16(struct ssb_pcicore *pc, u16 offset)
+{
+	return ssb_read16(pc->dev, offset);
+}
+
+static inline
+void pcicore_write16(struct ssb_pcicore *pc, u16 offset, u16 value)
+{
+	ssb_write16(pc->dev, offset, value);
+}
+
 /**************************************************
  * Code for hostmode operation.
  **************************************************/
@@ -66,6 +79,7 @@ int pcibios_plat_dev_init(struct pci_dev *d)
 			base = &ssb_pcicore_pcibus_iobase;
 		else
 			base = &ssb_pcicore_pcibus_membase;
+		res->flags |= IORESOURCE_PCI_FIXED;
 		if (res->end) {
 			size = res->end - res->start + 1;
 			if (*base & (size - 1))
@@ -88,10 +102,12 @@ int pcibios_plat_dev_init(struct pci_dev *d)
 
 static void __init ssb_fixup_pcibridge(struct pci_dev *dev)
 {
+	u8 lat;
+
 	if (dev->bus->number != 0 || PCI_SLOT(dev->devfn) != 0)
 		return;
 
-	ssb_printk(KERN_INFO "PCI: fixing up bridge\n");
+	ssb_printk(KERN_INFO "PCI: Fixing up bridge %s\n", pci_name(dev));
 
 	/* Enable PCI bridge bus mastering and memory space */
 	pci_set_master(dev);
@@ -101,7 +117,10 @@ static void __init ssb_fixup_pcibridge(struct pci_dev *dev)
 	pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3);
 
 	/* Make sure our latency is high enough to handle the devices behind us */
-	pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xa8);
+	lat = 168;
+	ssb_printk(KERN_INFO "PCI: Fixing latency timer of device %s to %u\n",
+		   pci_name(dev), lat);
+	pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
 }
 DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge);
 
@@ -117,8 +136,10 @@ static u32 get_cfgspace_addr(struct ssb_pcicore *pc,
 	u32 addr = 0;
 	u32 tmp;
 
-	if (unlikely(pc->cardbusmode && dev > 1))
+	/* We do only have one cardbus device behind the bridge. */
+	if (pc->cardbusmode && (dev >= 1))
 		goto out;
+
 	if (bus == 0) {
 		/* Type 0 transaction */
 		if (unlikely(dev >= SSB_PCI_SLOT_MAX))
@@ -279,14 +300,14 @@ static struct resource ssb_pcicore_mem_resource = {
 	.name	= "SSB PCIcore external memory",
 	.start	= SSB_PCI_DMA,
 	.end	= SSB_PCI_DMA + SSB_PCI_DMA_SZ - 1,
-	.flags	= IORESOURCE_MEM,
+	.flags	= IORESOURCE_MEM | IORESOURCE_PCI_FIXED,
 };
 
 static struct resource ssb_pcicore_io_resource = {
 	.name	= "SSB PCIcore external I/O",
 	.start	= 0x100,
 	.end	= 0x7FF,
-	.flags	= IORESOURCE_IO,
+	.flags	= IORESOURCE_IO | IORESOURCE_PCI_FIXED,
 };
 
 static struct pci_controller ssb_pcicore_controller = {
@@ -318,7 +339,16 @@ static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc)
 	pcicore_write32(pc, SSB_PCICORE_ARBCTL, val);
 	udelay(1); /* Assertion time demanded by the PCI standard */
 
-	/*TODO cardbus mode */
+	if (pc->dev->bus->has_cardbus_slot) {
+		ssb_dprintk(KERN_INFO PFX "CardBus slot detected\n");
+		pc->cardbusmode = 1;
+		/* GPIO 1 resets the bridge */
+		ssb_gpio_out(pc->dev->bus, 1, 1);
+		ssb_gpio_outen(pc->dev->bus, 1, 1);
+		pcicore_write16(pc, SSB_PCICORE_SPROM(0),
+				pcicore_read16(pc, SSB_PCICORE_SPROM(0))
+				| 0x0400);
+	}
 
 	/* 64MB I/O window */
 	pcicore_write32(pc, SSB_PCICORE_SBTOPCI0,
@@ -344,7 +374,8 @@ static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc)
 	/* Ok, ready to run, register it to the system.
 	 * The following needs change, if we want to port hostmode
 	 * to non-MIPS platform. */
-	set_io_port_base((unsigned long)ioremap_nocache(SSB_PCI_MEM, 0x04000000));
+	ssb_pcicore_controller.io_map_base = (unsigned long)ioremap_nocache(SSB_PCI_MEM, 0x04000000);
+	set_io_port_base(ssb_pcicore_controller.io_map_base);
 	/* Give some time to the PCI controller to configure itself with the new
 	 * values. Not waiting at this point causes crashes of the machine. */
 	mdelay(10);
diff --git a/drivers/ssb/embedded.c b/drivers/ssb/embedded.c
new file mode 100644
index 00000000000..d3ade821555
--- /dev/null
+++ b/drivers/ssb/embedded.c
@@ -0,0 +1,132 @@
+/*
+ * Sonics Silicon Backplane
+ * Embedded systems support code
+ *
+ * Copyright 2005-2008, Broadcom Corporation
+ * Copyright 2006-2008, Michael Buesch <mb@bu3sch.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/ssb/ssb.h>
+#include <linux/ssb/ssb_embedded.h>
+
+#include "ssb_private.h"
+
+
+int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks)
+{
+	if (ssb_chipco_available(&bus->chipco)) {
+		ssb_chipco_watchdog_timer_set(&bus->chipco, ticks);
+		return 0;
+	}
+	if (ssb_extif_available(&bus->extif)) {
+		ssb_extif_watchdog_timer_set(&bus->extif, ticks);
+		return 0;
+	}
+	return -ENODEV;
+}
+
+u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask)
+{
+	unsigned long flags;
+	u32 res = 0;
+
+	spin_lock_irqsave(&bus->gpio_lock, flags);
+	if (ssb_chipco_available(&bus->chipco))
+		res = ssb_chipco_gpio_in(&bus->chipco, mask);
+	else if (ssb_extif_available(&bus->extif))
+		res = ssb_extif_gpio_in(&bus->extif, mask);
+	else
+		SSB_WARN_ON(1);
+	spin_unlock_irqrestore(&bus->gpio_lock, flags);
+
+	return res;
+}
+EXPORT_SYMBOL(ssb_gpio_in);
+
+u32 ssb_gpio_out(struct ssb_bus *bus, u32 mask, u32 value)
+{
+	unsigned long flags;
+	u32 res = 0;
+
+	spin_lock_irqsave(&bus->gpio_lock, flags);
+	if (ssb_chipco_available(&bus->chipco))
+		res = ssb_chipco_gpio_out(&bus->chipco, mask, value);
+	else if (ssb_extif_available(&bus->extif))
+		res = ssb_extif_gpio_out(&bus->extif, mask, value);
+	else
+		SSB_WARN_ON(1);
+	spin_unlock_irqrestore(&bus->gpio_lock, flags);
+
+	return res;
+}
+EXPORT_SYMBOL(ssb_gpio_out);
+
+u32 ssb_gpio_outen(struct ssb_bus *bus, u32 mask, u32 value)
+{
+	unsigned long flags;
+	u32 res = 0;
+
+	spin_lock_irqsave(&bus->gpio_lock, flags);
+	if (ssb_chipco_available(&bus->chipco))
+		res = ssb_chipco_gpio_outen(&bus->chipco, mask, value);
+	else if (ssb_extif_available(&bus->extif))
+		res = ssb_extif_gpio_outen(&bus->extif, mask, value);
+	else
+		SSB_WARN_ON(1);
+	spin_unlock_irqrestore(&bus->gpio_lock, flags);
+
+	return res;
+}
+EXPORT_SYMBOL(ssb_gpio_outen);
+
+u32 ssb_gpio_control(struct ssb_bus *bus, u32 mask, u32 value)
+{
+	unsigned long flags;
+	u32 res = 0;
+
+	spin_lock_irqsave(&bus->gpio_lock, flags);
+	if (ssb_chipco_available(&bus->chipco))
+		res = ssb_chipco_gpio_control(&bus->chipco, mask, value);
+	spin_unlock_irqrestore(&bus->gpio_lock, flags);
+
+	return res;
+}
+EXPORT_SYMBOL(ssb_gpio_control);
+
+u32 ssb_gpio_intmask(struct ssb_bus *bus, u32 mask, u32 value)
+{
+	unsigned long flags;
+	u32 res = 0;
+
+	spin_lock_irqsave(&bus->gpio_lock, flags);
+	if (ssb_chipco_available(&bus->chipco))
+		res = ssb_chipco_gpio_intmask(&bus->chipco, mask, value);
+	else if (ssb_extif_available(&bus->extif))
+		res = ssb_extif_gpio_intmask(&bus->extif, mask, value);
+	else
+		SSB_WARN_ON(1);
+	spin_unlock_irqrestore(&bus->gpio_lock, flags);
+
+	return res;
+}
+EXPORT_SYMBOL(ssb_gpio_intmask);
+
+u32 ssb_gpio_polarity(struct ssb_bus *bus, u32 mask, u32 value)
+{
+	unsigned long flags;
+	u32 res = 0;
+
+	spin_lock_irqsave(&bus->gpio_lock, flags);
+	if (ssb_chipco_available(&bus->chipco))
+		res = ssb_chipco_gpio_polarity(&bus->chipco, mask, value);
+	else if (ssb_extif_available(&bus->extif))
+		res = ssb_extif_gpio_polarity(&bus->extif, mask, value);
+	else
+		SSB_WARN_ON(1);
+	spin_unlock_irqrestore(&bus->gpio_lock, flags);
+
+	return res;
+}
+EXPORT_SYMBOL(ssb_gpio_polarity);
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index 9028ed5715a..bedb2b4ee9d 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -557,6 +557,7 @@ static int ssb_fetch_invariants(struct ssb_bus *bus,
 		goto out;
 	memcpy(&bus->boardinfo, &iv.boardinfo, sizeof(iv.boardinfo));
 	memcpy(&bus->sprom, &iv.sprom, sizeof(iv.sprom));
+	bus->has_cardbus_slot = iv.has_cardbus_slot;
 out:
 	return err;
 }
@@ -569,6 +570,9 @@ static int ssb_bus_register(struct ssb_bus *bus,
 
 	spin_lock_init(&bus->bar_lock);
 	INIT_LIST_HEAD(&bus->list);
+#ifdef CONFIG_SSB_EMBEDDED
+	spin_lock_init(&bus->gpio_lock);
+#endif
 
 	/* Powerup the bus */
 	err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1);