openwrt/target/linux/brcm47xx/patches-3.6/760-bgmac-fixes.patch

--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -301,7 +301,7 @@ static int bgmac_dma_rx_read(struct bgma
 			bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
 				  ring->start);
 		} else {
-			new_skb = netdev_alloc_skb(bgmac->net_dev, len);
+			new_skb = netdev_alloc_skb_ip_align(bgmac->net_dev, len);
 			if (new_skb) {
 				skb_put(new_skb, len);
 				skb_copy_from_linear_data_offset(skb, BGMAC_RX_FRAME_OFFSET,
@@ -436,6 +436,8 @@ static int bgmac_dma_alloc(struct bgmac
 	}
 
 	for (i = 0; i < BGMAC_MAX_RX_RINGS; i++) {
+		int j;
+
 		ring = &bgmac->rx_ring[i];
 		ring->num_slots = BGMAC_RX_RING_SLOTS;
 		ring->mmio_base = ring_base[i];
@@ -458,8 +460,8 @@ static int bgmac_dma_alloc(struct bgmac
 			bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n");
 
 		/* Alloc RX slots */
-		for (i = 0; i < ring->num_slots; i++) {
-			err = bgmac_dma_rx_skb_for_slot(bgmac, &ring->slots[i]);
+		for (j = 0; j < ring->num_slots; j++) {
+			err = bgmac_dma_rx_skb_for_slot(bgmac, &ring->slots[j]);
 			if (err) {
 				bgmac_err(bgmac, "Can't allocate skb for slot in RX ring\n");
 				goto err_dma_free;
@@ -496,6 +498,8 @@ static void bgmac_dma_init(struct bgmac
 	}
 
 	for (i = 0; i < BGMAC_MAX_RX_RINGS; i++) {
+		int j;
+
 		ring = &bgmac->rx_ring[i];
 
 		/* We don't implement unaligned addressing, so enable first */
@@ -505,11 +509,11 @@ static void bgmac_dma_init(struct bgmac
 		bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_RX_RINGHI,
 			    upper_32_bits(ring->dma_base));
 
-		for (i = 0, dma_desc = ring->cpu_base; i < ring->num_slots;
-		     i++, dma_desc++) {
+		for (j = 0, dma_desc = ring->cpu_base; j < ring->num_slots;
+		     j++, dma_desc++) {
 			ctl0 = ctl1 = 0;
 
-			if (i == ring->num_slots - 1)
+			if (j == ring->num_slots - 1)
 				ctl0 |= BGMAC_DESC_CTL0_EOT;
 			ctl1 |= BGMAC_RX_BUF_SIZE & BGMAC_DESC_CTL1_LEN;
 			/* Is there any BGMAC device that requires extension? */
@@ -517,8 +521,8 @@ static void bgmac_dma_init(struct bgmac
 			 * B43_DMA64_DCTL1_ADDREXT_MASK;
 			 */
 
-			dma_desc->addr_low = cpu_to_le32(lower_32_bits(ring->slots[i].dma_addr));
-			dma_desc->addr_high = cpu_to_le32(upper_32_bits(ring->slots[i].dma_addr));
+			dma_desc->addr_low = cpu_to_le32(lower_32_bits(ring->slots[j].dma_addr));
+			dma_desc->addr_high = cpu_to_le32(upper_32_bits(ring->slots[j].dma_addr));
 			dma_desc->ctl0 = cpu_to_le32(ctl0);
 			dma_desc->ctl1 = cpu_to_le32(ctl1);
 		}
@@ -535,7 +539,7 @@ static void bgmac_dma_init(struct bgmac
  * PHY ops
  **************************************************/
 
-u16 bgmac_phy_read(struct bgmac *bgmac, u8 phyaddr, u8 reg)
+static u16 bgmac_phy_read(struct bgmac *bgmac, u8 phyaddr, u8 reg)
 {
 	struct bcma_device *core;
 	u16 phy_access_addr;
@@ -584,7 +588,7 @@ u16 bgmac_phy_read(struct bgmac *bgmac,
 }
 
 /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphywr */
-void bgmac_phy_write(struct bgmac *bgmac, u8 phyaddr, u8 reg, u16 value)
+static int bgmac_phy_write(struct bgmac *bgmac, u8 phyaddr, u8 reg, u16 value)
 {
 	struct bcma_device *core;
 	u16 phy_access_addr;
@@ -617,9 +621,13 @@ void bgmac_phy_write(struct bgmac *bgmac
 	tmp |= value;
 	bcma_write32(core, phy_access_addr, tmp);
 
-	if (!bgmac_wait_value(core, phy_access_addr, BGMAC_PA_START, 0, 1000))
+	if (!bgmac_wait_value(core, phy_access_addr, BGMAC_PA_START, 0, 1000)) {
 		bgmac_err(bgmac, "Writing to PHY %d register 0x%X failed\n",
 			  phyaddr, reg);
+		return -ETIMEDOUT;
+	}
+
+	return 0;
 }
 
 /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyforce */
@@ -761,6 +769,26 @@ static void bgmac_cmdcfg_maskset(struct
 	udelay(2);
 }
 
+static void bgmac_write_mac_address(struct bgmac *bgmac, u8 *addr)
+{
+	u32 tmp;
+
+	tmp = (addr[0] << 24) | (addr[1] << 16) | (addr[2] << 8) | addr[3];
+	bgmac_write(bgmac, BGMAC_MACADDR_HIGH, tmp);
+	tmp = (addr[4] << 8) | addr[5];
+	bgmac_write(bgmac, BGMAC_MACADDR_LOW, tmp);
+}
+
+static void bgmac_set_rx_mode(struct net_device *net_dev)
+{
+	struct bgmac *bgmac = netdev_priv(net_dev);
+
+	if (net_dev->flags & IFF_PROMISC)
+		bgmac_cmdcfg_maskset(bgmac, ~0, BGMAC_CMDCFG_PROM, true);
+	else
+		bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_PROM, 0, true);
+}
+
 #if 0 /* We don't use that regs yet */
 static void bgmac_chip_stats_update(struct bgmac *bgmac)
 {
@@ -889,8 +917,10 @@ static void bgmac_chip_reset(struct bgma
 			sw_type = et_swtype;
 		} else if (ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == 9) {
 			sw_type = BGMAC_CHIPCTL_1_SW_TYPE_EPHYRMII;
-		} else if (0) {
-			/* TODO */
+		} else if ((ci->id != BCMA_CHIP_ID_BCM53572 && ci->pkg == 10) ||
+			   (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == 9)) {
+			sw_type = BGMAC_CHIPCTL_1_IF_TYPE_RGMII |
+				  BGMAC_CHIPCTL_1_SW_TYPE_RGMII;
 		}
 		bcma_chipco_chipctl_maskset(cc, 1,
 					    ~(BGMAC_CHIPCTL_1_IF_TYPE_MASK |
@@ -948,6 +978,7 @@ static void bgmac_chip_intrs_on(struct b
 static void bgmac_chip_intrs_off(struct bgmac *bgmac)
 {
 	bgmac_write(bgmac, BGMAC_INT_MASK, 0);
+	bgmac_read(bgmac, BGMAC_INT_MASK);
 }
 
 /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/gmac_enable */
@@ -1004,8 +1035,6 @@ static void bgmac_enable(struct bgmac *b
 static void bgmac_chip_init(struct bgmac *bgmac, bool full_init)
 {
 	struct bgmac_dma_ring *ring;
-	u8 *mac = bgmac->net_dev->dev_addr;
-	u32 tmp;
 	int i;
 
 	/* 1 interrupt per received frame */
@@ -1014,21 +1043,14 @@ static void bgmac_chip_init(struct bgmac
 	/* Enable 802.3x tx flow control (honor received PAUSE frames) */
 	bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_RPI, 0, true);
 
-	if (bgmac->net_dev->flags & IFF_PROMISC)
-		bgmac_cmdcfg_maskset(bgmac, ~0, BGMAC_CMDCFG_PROM, false);
-	else
-		bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_PROM, 0, false);
+	bgmac_set_rx_mode(bgmac->net_dev);
 
-	/* Set MAC addr */
-	tmp = (mac[0] << 24) | (mac[1] << 16) | (mac[2] << 8) | mac[3];
-	bgmac_write(bgmac, BGMAC_MACADDR_HIGH, tmp);
-	tmp = (mac[4] << 8) | mac[5];
-	bgmac_write(bgmac, BGMAC_MACADDR_LOW, tmp);
+	bgmac_write_mac_address(bgmac, bgmac->net_dev->dev_addr);
 
 	if (bgmac->loopback)
-		bgmac_cmdcfg_maskset(bgmac, ~0, BGMAC_CMDCFG_ML, true);
+		bgmac_cmdcfg_maskset(bgmac, ~0, BGMAC_CMDCFG_ML, false);
 	else
-		bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_ML, 0, true);
+		bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_ML, 0, false);
 
 	bgmac_write(bgmac, BGMAC_RXMAX_LENGTH, 32 + ETHER_MAX_LEN);
 
@@ -1160,6 +1182,19 @@ static netdev_tx_t bgmac_start_xmit(stru
 	return bgmac_dma_tx_add(bgmac, ring, skb);
 }
 
+static int bgmac_set_mac_address(struct net_device *net_dev, void *addr)
+{
+	struct bgmac *bgmac = netdev_priv(net_dev);
+	int ret;
+
+	ret = eth_prepare_mac_addr_change(net_dev, addr);
+	if (ret < 0)
+		return ret;
+	bgmac_write_mac_address(bgmac, (u8 *)addr);
+	eth_commit_mac_addr_change(net_dev, addr);
+	return 0;
+}
+
 static int bgmac_ioctl(struct net_device *net_dev, struct ifreq *ifr, int cmd)
 {
 	struct bgmac *bgmac = netdev_priv(net_dev);
@@ -1190,7 +1225,9 @@ static const struct net_device_ops bgmac
 	.ndo_open		= bgmac_open,
 	.ndo_stop		= bgmac_stop,
 	.ndo_start_xmit		= bgmac_start_xmit,
-	.ndo_set_mac_address	= eth_mac_addr, /* generic, sets dev_addr */
+	.ndo_set_rx_mode	= bgmac_set_rx_mode,
+	.ndo_set_mac_address	= bgmac_set_mac_address,
+	.ndo_validate_addr	= eth_validate_addr,
 	.ndo_do_ioctl           = bgmac_ioctl,
 };
 
@@ -1290,6 +1327,12 @@ static int bgmac_probe(struct bcma_devic
 		return -ENOTSUPP;
 	}
 
+	if (!is_valid_ether_addr(mac)) {
+		dev_err(&core->dev, "Invalid MAC addr: %pM\n", mac);
+		eth_random_addr(mac);
+		dev_warn(&core->dev, "Using random MAC: %pM\n", mac);
+	}
+
 	/* Allocation and references */
 	net_dev = alloc_etherdev(sizeof(*bgmac));
 	if (!net_dev)
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -339,7 +339,7 @@
 #define BGMAC_CHIPCTL_1_SW_TYPE_EPHY		0x00000000
 #define BGMAC_CHIPCTL_1_SW_TYPE_EPHYMII		0x00000040
 #define BGMAC_CHIPCTL_1_SW_TYPE_EPHYRMII	0x00000080
-#define BGMAC_CHIPCTL_1_SW_TYPE_RGMI		0x000000C0
+#define BGMAC_CHIPCTL_1_SW_TYPE_RGMII		0x000000C0
 #define BGMAC_CHIPCTL_1_RXC_DLL_BYPASS		0x00010000
 
 #define BGMAC_SPEED_10				0x0001
@@ -450,7 +450,4 @@ static inline void bgmac_set(struct bgma
 	bgmac_maskset(bgmac, offset, ~0, set);
 }
 
-u16 bgmac_phy_read(struct bgmac *bgmac, u8 phyaddr, u8 reg);
-void bgmac_phy_write(struct bgmac *bgmac, u8 phyaddr, u8 reg, u16 value);
-
 #endif /* _BGMAC_H */