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fix typo in filename
[openwrt.git] / openwrt / target / linux / brcm-2.6 / patches / 004-b44_bcm47xx_support.patch
diff --git a/openwrt/target/linux/brcm-2.6/patches/004-b44_bcm47xx_support.patch b/openwrt/target/linux/brcm-2.6/patches/004-b44_bcm47xx_support.patch
index e1856f9..b244807 100644 (file)
--- a/openwrt/target/linux/brcm-2.6/patches/004-b44_bcm47xx_support.patch
+++ b/openwrt/target/linux/brcm-2.6/patches/004-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        2006-01-12 01:44:42.548326000 +0100
-+++ linux.dev/drivers/net/b44.c        2006-01-12 03:07:38.209775500 +0100
+--- linux.old/drivers/net/b44.c        2006-01-16 20:35:09.203794500 +0100
++++ linux.dev/drivers/net/b44.c        2006-01-16 22:20:45.631180500 +0100
 @@ -1,7 +1,9 @@
 -/* b44.c: Broadcom 4400 device driver.
 +/* b44.c: Broadcom 4400/47xx device driver.
@@ -93,7 +93,38 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
        return 0;
  }
  
-@@ -313,14 +334,14 @@
+@@ -277,6 +298,30 @@
+               == SBTMSLOW_CLOCK);
+ }
+ 
++#ifdef CONFIG_BCM947XX
++static inline void __b44_cam_read(struct b44 *bp, unsigned char *data, int index)
++{
++      u32 val;
++
++      bw32(bp, B44_CAM_CTRL, (CAM_CTRL_READ |
++                          (index << CAM_CTRL_INDEX_SHIFT)));
++
++      b44_wait_bit(bp, B44_CAM_CTRL, CAM_CTRL_BUSY, 100, 1);
++
++      val = br32(bp, B44_CAM_DATA_LO);
++
++      data[2] = (val >> 24) & 0xFF;
++      data[3] = (val >> 16) & 0xFF;
++      data[4] = (val >> 8) & 0xFF;
++      data[5] = (val >> 0) & 0xFF;
++
++      val = br32(bp, B44_CAM_DATA_HI);
++
++      data[0] = (val >> 8) & 0xFF;
++      data[1] = (val >> 0) & 0xFF;
++}
++#endif
++
+ static void __b44_cam_write(struct b44 *bp, unsigned char *data, int index)
+ {
+       u32 val;
+@@ -313,14 +358,14 @@
        bw32(bp, B44_IMASK, bp->imask);
  }
  
@@ -110,7 +141,7 @@ 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);
-@@ -329,18 +350,34 @@
+@@ -329,18 +374,34 @@
        return err;
  }
  
@@ -147,7 +178,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
  /* miilib interface */
  /* FIXME FIXME: phy_id is ignored, bp->phy_addr use is unconditional
   * due to code existing before miilib use was added to this driver.
-@@ -369,6 +406,8 @@
+@@ -369,6 +430,8 @@
        u32 val;
        int err;
  
@@ -156,16 +187,30 @@ 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;
-@@ -439,6 +478,8 @@
+@@ -439,6 +502,22 @@
        u32 val;
        int err;
  
++#ifdef CONFIG_BCM947XX
++      /*
++       * workaround for bad hardware design in Linksys WAP54G v1.0
++       * see https://dev.openwrt.org/ticket/146
++       * check and reset bit "isolate"
++       */
++      if ((bp->pdev->device == PCI_DEVICE_ID_BCM4713) &&
++                      (atoi(nvram_get("boardnum")) == 2) &&
++                      (__b44_readphy(bp, 0, MII_BMCR, &val) == 0) && 
++                      (val & BMCR_ISOLATE) &&
++                      (__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;
        if ((err = b44_writephy(bp, B44_MII_ALEDCTRL,
-@@ -534,6 +575,19 @@
+@@ -534,6 +613,19 @@
  {
        u32 bmsr, aux;
  
@@ -185,7 +230,7 @@ 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)) {
-@@ -1281,9 +1335,10 @@
+@@ -1281,9 +1373,10 @@
                bw32(bp, B44_DMARX_CTRL, 0);
                bp->rx_prod = bp->rx_cons = 0;
        } else {
@@ -199,7 +244,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
        }
  
        ssb_core_reset(bp);
-@@ -1291,8 +1346,14 @@
+@@ -1291,8 +1384,14 @@
        b44_clear_stats(bp);
  
        /* Make PHY accessible. */
@@ -215,7 +260,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
        br32(bp, B44_MDIO_CTRL);
  
        if (!(br32(bp, B44_DEVCTRL) & DEVCTRL_IPP)) {
-@@ -1834,18 +1895,297 @@
+@@ -1834,18 +1933,297 @@
        .get_perm_addr          = ethtool_op_get_perm_addr,
  };
  
@@ -517,14 +562,12 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
  out:
        return err;
  }
-@@ -1865,22 +2205,43 @@
+@@ -1865,22 +2243,55 @@
  static int __devinit b44_get_invariants(struct b44 *bp)
  {
        u8 eeprom[128];
 -      int err;
-+      u8 buf[32];
-+      int err = 0;
- 
+-
 -      err = b44_read_eeprom(bp, &eeprom[0]);
 -      if (err)
 -              goto out;
@@ -538,6 +581,10 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
 -      memcpy(bp->dev->perm_addr, bp->dev->dev_addr, bp->dev->addr_len);
 -
 -      bp->phy_addr = eeprom[90] & 0x1f;
++      u8 buf[32];
++      int err = 0;
++      unsigned long flags;
++
 +#ifdef CONFIG_BCM947XX
 +      if (bp->pdev->device == PCI_DEVICE_ID_BCM4713) {
 +              /* 
@@ -545,7 +592,18 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
 +               * a NVRAM area somewhere in the flash memory.
 +               */
 +              sprintf(buf, "et%dmacaddr", b44_4713_instance);
-+              e_aton(nvram_get(buf), bp->dev->dev_addr);
++              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);
++              }
  
 +              /* 
 +               * BCM47xx boards don't have a PHY. Usually there is a switch
@@ -575,7 +633,7 @@ 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.
         */
-@@ -1889,11 +2250,7 @@
+@@ -1889,11 +2300,7 @@
        bp->imask = IMASK_DEF;
  
        bp->core_unit = ssb_core_unit(bp);
@@ -587,7 +645,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
  out:
        return err;
  }
-@@ -2032,11 +2389,17 @@
+@@ -2032,11 +2439,17 @@
  
        pci_save_state(bp->pdev);
  
@@ -607,8 +665,8 @@ 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        2006-01-12 01:44:42.548326000 +0100
-+++ linux.dev/drivers/net/b44.h        2006-01-12 02:55:06.290783500 +0100
+--- linux.old/drivers/net/b44.h        2006-01-16 20:35:09.255797750 +0100
++++ linux.dev/drivers/net/b44.h        2006-01-16 20:30:30.566380750 +0100
 @@ -292,6 +292,10 @@
  #define SSB_PCI_MASK1         0xfc000000
  #define SSB_PCI_MASK2         0xc0000000
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