Author: yongari
Date: Thu Dec 5 07:20:03 2013
New Revision: 258963
URL: http://svnweb.freebsd.org/changeset/base/258963
Log:
MFC r253480:
Setup the PCIE Fast Training Sequence (FTS) value to prevent
transmit hangs for 57766 and non Ax versions of 57765.
While here, correct definition of BGE_CHIPREV_57765_AX.
Modified:
stable/9/sys/dev/bge/if_bge.c
stable/9/sys/dev/bge/if_bgereg.h
Directory Properties:
stable/9/sys/ (props changed)
stable/9/sys/dev/ (props changed)
Modified: stable/9/sys/dev/bge/if_bge.c
==============================================================================
--- stable/9/sys/dev/bge/if_bge.c Thu Dec 5 07:18:32 2013
(r258962)
+++ stable/9/sys/dev/bge/if_bge.c Thu Dec 5 07:20:03 2013
(r258963)
@@ -1796,6 +1796,20 @@ bge_chipinit(struct bge_softc *sc)
pci_write_config(sc->bge_dev, BGE_PCI_MSI_DATA + 2, val, 2);
}
+ if (sc->bge_asicrev == BGE_ASICREV_BCM57765 ||
+ sc->bge_asicrev == BGE_ASICREV_BCM57766) {
+ /*
+ * For the 57766 and non Ax versions of 57765, bootcode
+ * needs to setup the PCIE Fast Training Sequence (FTS)
+ * value to prevent transmit hangs.
+ */
+ if (sc->bge_chiprev != BGE_CHIPREV_57765_AX) {
+ CSR_WRITE_4(sc, BGE_CPMU_PADRNG_CTL,
+ CSR_READ_4(sc, BGE_CPMU_PADRNG_CTL) |
+ BGE_CPMU_PADRNG_CTL_RDIV2);
+ }
+ }
+
/*
* Set up the PCI DMA control register.
*/
Modified: stable/9/sys/dev/bge/if_bgereg.h
==============================================================================
--- stable/9/sys/dev/bge/if_bgereg.h Thu Dec 5 07:18:32 2013
(r258962)
+++ stable/9/sys/dev/bge/if_bgereg.h Thu Dec 5 07:20:03 2013
(r258963)
@@ -378,6 +378,7 @@
#define BGE_CHIPREV_5717_AX 0x57170
#define BGE_CHIPREV_5717_BX 0x57171
#define BGE_CHIPREV_5761_AX 0x57611
+#define BGE_CHIPREV_57765_AX 0x577850
#define BGE_CHIPREV_5784_AX 0x57841
/* PCI DMA Read/Write Control register */
@@ -1289,6 +1290,7 @@
#define BGE_CPMU_MUTEX_REQ 0x365C
#define BGE_CPMU_MUTEX_GNT 0x3660
#define BGE_CPMU_PHY_STRAP 0x3664
+#define BGE_CPMU_PADRNG_CTL 0x3668
/* Central Power Management Unit (CPMU) register */
#define BGE_CPMU_CTRL_LINK_IDLE_MODE 0x00000200
@@ -1328,6 +1330,9 @@
/* CPMU GPHY Strap register */
#define BGE_CPMU_PHY_STRAP_IS_SERDES 0x00000020
+/* CPMU Padring Control register */
+#define BGE_CPMU_PADRNG_CTL_RDIV2 0x00040000
+
/*
* Mbuf Cluster Free registers (has nothing to do with BSD mbufs)
*/
_______________________________________________
[email protected] mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-stable-9
To unsubscribe, send any mail to "[email protected]"
