diff options
| -rw-r--r-- | target/linux/brcm-2.4/patches/008-b44_bcm47xx_support.patch | 257 |
1 files changed, 209 insertions, 48 deletions
diff --git a/target/linux/brcm-2.4/patches/008-b44_bcm47xx_support.patch b/target/linux/brcm-2.4/patches/008-b44_bcm47xx_support.patch index 3af606642d..35c80acd25 100644 --- a/target/linux/brcm-2.4/patches/008-b44_bcm47xx_support.patch +++ b/target/linux/brcm-2.4/patches/008-b44_bcm47xx_support.patch @@ -1,6 +1,6 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c ---- linux.old/drivers/net/b44.c 2006-01-16 21:10:55.873911750 +0100 -+++ linux.dev/drivers/net/b44.c 2006-01-16 21:16:02.041046000 +0100 +--- linux.old/drivers/net/b44.c 2006-02-12 13:49:59.000000000 +0100 ++++ linux.dev/drivers/net/b44.c 2006-03-06 22:37:14.000000000 +0100 @@ -1,7 +1,9 @@ /* b44.c: Broadcom 4400 device driver. * @@ -72,7 +72,21 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c { } /* terminate list with empty entry */ }; -@@ -236,6 +275,8 @@ +@@ -113,11 +152,13 @@ + udelay(10); + } + if (i == timeout) { ++#ifdef DEBUG + printk(KERN_ERR PFX "%s: BUG! Timeout waiting for bit %08x of register " + "%lx to %s.\n", + bp->dev->name, + bit, reg, + (clear ? "clear" : "set")); ++#endif + return -ENODEV; + } + return 0; +@@ -236,6 +277,8 @@ udelay(1); } @@ -81,7 +95,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c static int ssb_core_unit(struct b44 *bp) { #if 0 -@@ -258,6 +299,9 @@ +@@ -258,6 +301,9 @@ break; }; #endif @@ -91,7 +105,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c return 0; } -@@ -267,6 +311,28 @@ +@@ -267,6 +313,28 @@ == SBTMSLOW_CLOCK); } @@ -120,7 +134,16 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c static void __b44_cam_write(struct b44 *bp, unsigned char *data, int index) { u32 val; -@@ -303,14 +369,14 @@ +@@ -287,7 +355,7 @@ + + static inline void __b44_disable_ints(struct b44 *bp) + { +- bw32(B44_IMASK, 0); ++ bw32(B44_IMASK, ISTAT_TO); /* leave the timeout interrupt active */ + } + + static void b44_disable_ints(struct b44 *bp) +@@ -303,14 +371,14 @@ bw32(B44_IMASK, bp->imask); } @@ -137,7 +160,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c (reg << MDIO_DATA_RA_SHIFT) | (MDIO_TA_VALID << MDIO_DATA_TA_SHIFT))); err = b44_wait_bit(bp, B44_EMAC_ISTAT, EMAC_INT_MII, 100, 0); -@@ -319,23 +385,42 @@ +@@ -319,23 +387,42 @@ return err; } @@ -182,13 +205,11 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c err = b44_writephy(bp, MII_BMCR, BMCR_RESET); if (err) return err; -@@ -405,6 +490,24 @@ - { +@@ -406,6 +493,23 @@ u32 val; int err; -+ char *s; + + -+#ifdef CONFIG_BCM947XX + /* + * workaround for bad hardware design in Linksys WAP54G v1.0 + * see https://dev.openwrt.org/ticket/146 @@ -201,13 +222,14 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c + (__b44_writephy(bp, 0, MII_BMCR, val & ~BMCR_ISOLATE) != 0)) { + printk(KERN_WARNING PFX "PHY: cannot reset MII transceiver isolate bit.\n"); + } -+#endif ++ + if (bp->phy_addr == B44_PHY_ADDR_NO_PHY) + return 0; - ++ if ((err = b44_readphy(bp, B44_MII_ALEDCTRL, &val)) != 0) goto out; -@@ -498,6 +601,19 @@ + if ((err = b44_writephy(bp, B44_MII_ALEDCTRL, +@@ -498,6 +602,19 @@ { u32 bmsr, aux; @@ -227,7 +249,123 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c if (!b44_readphy(bp, MII_BMSR, &bmsr) && !b44_readphy(bp, B44_MII_AUXCTRL, &aux) && (bmsr != 0xffff)) { -@@ -1092,6 +1208,8 @@ +@@ -765,6 +882,25 @@ + return received; + } + ++ ++static inline void __b44_reset(struct b44 *bp) ++{ ++ spin_lock_irq(&bp->lock); ++ b44_halt(bp); ++ b44_init_rings(bp); ++ b44_init_hw(bp); ++ spin_unlock_irq(&bp->lock); ++ ++ b44_enable_ints(bp); ++ netif_wake_queue(bp->dev); ++} ++ ++static inline void __b44_set_timeout(struct b44 *bp, int timeout) ++{ ++ /* Set timeout for Rx to two seconds after the last Tx */ ++ bw32(B44_GPTIMER, timeout ? 2 * 125000000 : 0); ++} ++ + static int b44_poll(struct net_device *netdev, int *budget) + { + struct b44 *bp = netdev->priv; +@@ -772,13 +908,13 @@ + + spin_lock_irq(&bp->lock); + +- if (bp->istat & (ISTAT_TX | ISTAT_TO)) { ++ if (bp->istat & ISTAT_TX) { + /* spin_lock(&bp->tx_lock); */ + b44_tx(bp); + /* spin_unlock(&bp->tx_lock); */ + } + spin_unlock_irq(&bp->lock); +- ++ + done = 1; + if (bp->istat & ISTAT_RX) { + int orig_budget = *budget; +@@ -796,24 +932,18 @@ + done = 0; + } + +- if (bp->istat & ISTAT_ERRORS) { +- spin_lock_irq(&bp->lock); +- b44_halt(bp); +- b44_init_rings(bp); +- b44_init_hw(bp); +- netif_wake_queue(bp->dev); +- spin_unlock_irq(&bp->lock); +- done = 1; +- } +- + if (done) { + netif_rx_complete(netdev); + b44_enable_ints(bp); + } + ++ if ((bp->core_unit == 1) && (bp->istat & (ISTAT_TX | ISTAT_RX))) ++ __b44_set_timeout(bp, (bp->istat & ISTAT_TX) ? 1 : 0); ++ + return (done ? 0 : 1); + } + ++ + static irqreturn_t b44_interrupt(int irq, void *dev_id, struct pt_regs *regs) + { + struct net_device *dev = dev_id; +@@ -832,6 +962,18 @@ + */ + istat &= imask; + if (istat) { ++ /* Workaround for the WL-500g WAN port hang */ ++ if (istat & (ISTAT_TO | ISTAT_ERRORS)) { ++ /* ++ * no rx before the watchdog timeout ++ * reset the interface ++ */ ++ __b44_reset(bp); ++ } ++ ++ if ((bp->core_unit == 1) && (bp->istat & (ISTAT_TX | ISTAT_RX))) ++ __b44_set_timeout(bp, (bp->istat & ISTAT_TX) ? 1 : 0); ++ + handled = 1; + if (netif_rx_schedule_prep(dev)) { + /* NOTE: These writes are posted by the readback of +@@ -848,6 +990,7 @@ + bw32(B44_ISTAT, istat); + br32(B44_ISTAT); + } ++ + spin_unlock_irqrestore(&bp->lock, flags); + return IRQ_RETVAL(handled); + } +@@ -859,16 +1002,7 @@ + printk(KERN_ERR PFX "%s: transmit timed out, resetting\n", + dev->name); + +- spin_lock_irq(&bp->lock); +- +- b44_halt(bp); +- b44_init_rings(bp); +- b44_init_hw(bp); +- +- spin_unlock_irq(&bp->lock); +- +- b44_enable_ints(bp); +- ++ __b44_reset(bp); + netif_wake_queue(dev); + } + +@@ -1092,6 +1226,8 @@ /* bp->lock is held. */ static void b44_chip_reset(struct b44 *bp) { @@ -236,7 +374,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c if (ssb_is_core_up(bp)) { bw32(B44_RCV_LAZY, 0); bw32(B44_ENET_CTRL, ENET_CTRL_DISABLE); -@@ -1105,9 +1223,10 @@ +@@ -1105,9 +1241,10 @@ bw32(B44_DMARX_CTRL, 0); bp->rx_prod = bp->rx_cons = 0; } else { @@ -250,7 +388,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c } ssb_core_reset(bp); -@@ -1115,6 +1234,11 @@ +@@ -1115,6 +1252,11 @@ b44_clear_stats(bp); /* Make PHY accessible. */ @@ -262,7 +400,28 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c bw32(B44_MDIO_CTRL, (MDIO_CTRL_PREAMBLE | (0x0d & MDIO_CTRL_MAXF_MASK))); br32(B44_MDIO_CTRL); -@@ -1628,7 +1752,7 @@ +@@ -1215,6 +1357,8 @@ + struct b44 *bp = dev->priv; + int err; + ++ netif_carrier_off(dev); ++ + err = b44_alloc_consistent(bp); + if (err) + return err; +@@ -1235,9 +1379,10 @@ + bp->timer.expires = jiffies + HZ; + bp->timer.data = (unsigned long) bp; + bp->timer.function = b44_timer; +- add_timer(&bp->timer); ++ b44_timer((unsigned long) bp); + + b44_enable_ints(bp); ++ netif_start_queue(dev); + + return 0; + +@@ -1628,7 +1773,7 @@ u32 mii_regval; spin_lock_irq(&bp->lock); @@ -271,7 +430,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c spin_unlock_irq(&bp->lock); data->val_out = mii_regval; -@@ -1641,7 +1765,7 @@ +@@ -1641,7 +1786,7 @@ return -EPERM; spin_lock_irq(&bp->lock); @@ -280,7 +439,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c spin_unlock_irq(&bp->lock); return err; -@@ -1668,21 +1792,52 @@ +@@ -1668,21 +1813,52 @@ static int __devinit b44_get_invariants(struct b44 *bp) { u8 eeprom[128]; @@ -291,39 +450,41 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c - err = b44_read_eeprom(bp, &eeprom[0]); - if (err) - goto out; -+ if (bp->pdev->device == PCI_DEVICE_ID_BCM4713) { -+ /* -+ * BCM47xx boards don't have a EEPROM. The MAC is stored in -+ * a NVRAM area somewhere in the flash memory. -+ */ -+ sprintf(buf, "et%dmacaddr", b44_4713_instance); -+ if (nvram_get(buf)) { -+ e_aton(nvram_get(buf), bp->dev->dev_addr); -+ } else { -+ /* -+ * Getting the MAC out of NVRAM failed. To make it work -+ * here, we simply rely on the bootloader to write the -+ * MAC into the CAM. -+ */ -+ spin_lock_irqsave(&bp->lock, flags); -+ __b44_cam_read(bp, bp->dev->dev_addr, 0); -+ spin_unlock_irqrestore(&bp->lock, flags); -+ } - +- - bp->dev->dev_addr[0] = eeprom[79]; - bp->dev->dev_addr[1] = eeprom[78]; - bp->dev->dev_addr[2] = eeprom[81]; - bp->dev->dev_addr[3] = eeprom[80]; - bp->dev->dev_addr[4] = eeprom[83]; - bp->dev->dev_addr[5] = eeprom[82]; - +- - bp->phy_addr = eeprom[90] & 0x1f; - bp->mdc_port = (eeprom[90] >> 14) & 0x1; ++ if (bp->pdev->device == PCI_DEVICE_ID_BCM4713) { ++#ifdef CONFIG_BCM947XX ++ sprintf(buf, "et%dmacaddr", instance - 1); ++ e_aton(nvram_get(buf), bp->dev->dev_addr); ++ ++ sprintf(buf, "et%dphyaddr", instance - 1); ++ bp->phy_addr = B44_PHY_ADDR_NO_PHY; ++#else ++ /* ++ * BCM47xx boards don't have a EEPROM. The MAC is stored in ++ * a NVRAM area somewhere in the flash memory. As we don't ++ * know the location and/or the format of the NVRAM area ++ * here, we simply rely on the bootloader to write the ++ * MAC into the CAM. ++ */ ++ spin_lock_irqsave(&bp->lock, flags); ++ __b44_cam_read(bp, bp->dev->dev_addr, 0); ++ spin_unlock_irqrestore(&bp->lock, flags); ++ + /* + * BCM47xx boards don't have a PHY. Usually there is a switch + * chip with multiple PHYs connected to the PHY port. + */ + bp->phy_addr = B44_PHY_ADDR_NO_PHY; ++#endif + bp->dma_offset = 0; + } else { + err = b44_read_eeprom(bp, &eeprom[0]); @@ -344,7 +505,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c /* With this, plus the rx_header prepended to the data by the * hardware, we'll land the ethernet header on a 2-byte boundary. -@@ -1692,13 +1847,12 @@ +@@ -1692,13 +1868,12 @@ bp->imask = IMASK_DEF; bp->core_unit = ssb_core_unit(bp); @@ -360,7 +521,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c } static int __devinit b44_init_one(struct pci_dev *pdev, -@@ -1710,6 +1864,10 @@ +@@ -1710,6 +1885,10 @@ struct b44 *bp; int err, i; @@ -371,7 +532,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c if (b44_version_printed++ == 0) printk(KERN_INFO "%s", version); -@@ -1819,11 +1977,17 @@ +@@ -1819,11 +1998,17 @@ pci_save_state(bp->pdev, bp->pci_cfg_state); @@ -391,8 +552,8 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c err_out_iounmap: diff -urN linux.old/drivers/net/b44.h linux.dev/drivers/net/b44.h ---- linux.old/drivers/net/b44.h 2006-01-16 21:10:55.881912250 +0100 -+++ linux.dev/drivers/net/b44.h 2006-01-16 21:02:38.018249750 +0100 +--- linux.old/drivers/net/b44.h 2006-02-12 13:49:59.000000000 +0100 ++++ linux.dev/drivers/net/b44.h 2006-01-24 20:52:08.000000000 +0100 @@ -229,8 +229,6 @@ #define SBIPSFLAG_IMASK4 0x3f000000 /* Which sbflags --> mips interrupt 4 */ #define SBIPSFLAG_ISHIFT4 24 @@ -412,9 +573,9 @@ diff -urN linux.old/drivers/net/b44.h linux.dev/drivers/net/b44.h /* SW copy of device statistics, kept up to date by periodic timer * which probes HW values. Must have same relative layout as HW diff -urN linux.old/include/linux/pci_ids.h linux.dev/include/linux/pci_ids.h ---- linux.old/include/linux/pci_ids.h 2006-01-16 21:10:55.901913500 +0100 -+++ linux.dev/include/linux/pci_ids.h 2006-01-16 21:02:38.034250750 +0100 -@@ -1741,6 +1741,7 @@ +--- linux.old/include/linux/pci_ids.h 2006-02-12 13:49:59.000000000 +0100 ++++ linux.dev/include/linux/pci_ids.h 2006-01-24 20:52:08.000000000 +0100 +@@ -1735,6 +1735,7 @@ #define PCI_DEVICE_ID_TIGON3_5901_2 0x170e #define PCI_DEVICE_ID_BCM4401 0x4401 #define PCI_DEVICE_ID_BCM4401B0 0x4402 |