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-rw-r--r--target/linux/brcm47xx/patches-3.6/760-bgmac-fixes.patch245
1 files changed, 245 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.6/760-bgmac-fixes.patch b/target/linux/brcm47xx/patches-3.6/760-bgmac-fixes.patch
new file mode 100644
index 000000000..225c67768
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.6/760-bgmac-fixes.patch
@@ -0,0 +1,245 @@
+--- 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 */
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-12 06:06:32 +0000