kernel: bgmac: make it send and receive some packages on BCM4708

[oweals/openwrt.git] / target / linux / generic / patches-3.10 / 772-bgmac-add-supprot-for-BCM4707.patch

diff --git a/target/linux/generic/patches-3.10/772-bgmac-add-supprot-for-BCM4707.patch b/target/linux/generic/patches-3.10/772-bgmac-add-supprot-for-BCM4707.patch
index eb1708a2c4e4dd395635eeeb9ff22fccb6202ffc..a4e51774d5ffae79230a6e43c4fb8d0d5d27359b 100644 (file)
--- a/target/linux/generic/patches-3.10/772-bgmac-add-supprot-for-BCM4707.patch
+++ b/target/linux/generic/patches-3.10/772-bgmac-add-supprot-for-BCM4707.patch
@@ -97,6 +97,32 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  }
  
  /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipinit */
+@@ -1488,6 +1512,25 @@ static int bgmac_probe(struct bcma_devic
+               goto err_netdev_free;
+       }
+ 
++      /* Northstar, take all GMAC cores out of reset */
++      if (core->id.id == BCMA_CHIP_ID_BCM4707 ||
++          core->id.id == BCMA_CHIP_ID_BCM53018) {
++              struct bcma_device *ns_core;
++              int ns_gmac;
++
++              for (ns_gmac = 0; ns_gmac < 4; ns_gmac++) {
++                      /* As northstar requirement, we have to reset all GAMCs before
++                       * accessing them. et_probe() call pci_enable_device() for etx
++                       * and do si_core_reset for GAMCx only.  Then the other three
++                       * GAMCs didn't reset.  We do it here.
++                       */
++                      ns_core = bcma_find_core_unit(core->bus, BCMA_CORE_MAC_GBIT, ns_gmac);
++                      if (!bcma_core_is_enabled(ns_core)) {
++                              bcma_core_enable(ns_core, 0);
++                      }
++              }
++      }
++
+       bgmac_chip_reset(bgmac);
+ 
+       err = bgmac_dma_alloc(bgmac);
 --- a/drivers/net/ethernet/broadcom/bgmac.h
 +++ b/drivers/net/ethernet/broadcom/bgmac.h
 @@ -185,6 +185,7 @@