From d5e33315ada4871a12069aa5682753f157680a13 Mon Sep 17 00:00:00 2001
From: cvs2git <rtems-devel@rtems.org>
Date: Sun, 7 Mar 2010 17:11:26 +0000
Subject: This commit was manufactured by cvs2svn to create tag
 'R_20100422_p2'.

Sprout from base 2009-04-22 22:06:58 UTC Till Straumann <strauman@slac.stanford.edu> ' - importing updated version from SLAC as of 20090422'
Cherrypick from master 2010-03-07 17:11:23 UTC Till Straumann <strauman@slac.stanford.edu> '2010-03-07  Till Straumann <Till.Straumann@TU-Berlin.de>':
    bsd_eth_drivers/.cvsignore
    bsd_eth_drivers/ChangeLog
    bsd_eth_drivers/Makefile.am
    bsd_eth_drivers/if_bge/.cvsignore
    bsd_eth_drivers/if_bge/Makefile.am
    bsd_eth_drivers/if_bge/if_bge.c
    bsd_eth_drivers/if_bge/if_bgereg.h
    bsd_eth_drivers/if_em/.cvsignore
    bsd_eth_drivers/if_em/Makefile.am
    bsd_eth_drivers/if_em/e1000_manage.c
    bsd_eth_drivers/if_em/e1000_manage.h
    bsd_eth_drivers/if_em/e1000_osdep.h
    bsd_eth_drivers/if_em/if_em.c
    bsd_eth_drivers/if_fxp/.cvsignore
    bsd_eth_drivers/if_fxp/Makefile.am
    bsd_eth_drivers/if_fxp/if_fxp.c
    bsd_eth_drivers/if_fxp/if_fxpvar.h
    bsd_eth_drivers/if_le/.cvsignore
    bsd_eth_drivers/if_pcn/.cvsignore
    bsd_eth_drivers/if_pcn/if_pcn.c
    bsd_eth_drivers/if_re/.cvsignore
    bsd_eth_drivers/if_re/Makefile.am
    bsd_eth_drivers/if_re/if_re.c
    bsd_eth_drivers/if_re/if_rl.c
    bsd_eth_drivers/if_re/if_rlreg.h
    bsd_eth_drivers/libbsdport/.cvsignore
    bsd_eth_drivers/libbsdport/Makefile.am
    bsd_eth_drivers/libbsdport/alldrv.c
    bsd_eth_drivers/libbsdport/bus.h
    bsd_eth_drivers/libbsdport/callout.h
    bsd_eth_drivers/libbsdport/devicet.c
    bsd_eth_drivers/libbsdport/ifmedia.c
    bsd_eth_drivers/libbsdport/libbsdport.h
    bsd_eth_drivers/libbsdport/libbsdport_api.h
    bsd_eth_drivers/libbsdport/libbsdport_post.h
    bsd_eth_drivers/libbsdport/miistuff.c
    bsd_eth_drivers/libbsdport/misc.c
    bsd_eth_drivers/libbsdport/mutex.h
    bsd_eth_drivers/libbsdport/rtems_callout.c
    bsd_eth_drivers/libbsdport/sysbus.c
    bsd_eth_drivers/libbsdport/taskqueue.h
    bsd_eth_drivers/links.am
Cherrypick from freebsd_orig 2009-04-23 04:52:05 UTC Till Straumann <strauman@slac.stanford.edu> ' - importing original 'releng_7_1' version of FXP driver from FreeBSD.':
    bsd_eth_drivers/if_fxp/if_fxpreg.h
    bsd_eth_drivers/if_fxp/rcvbundl.h
Delete:
    INSTALL
    Makefile.am
    bootstrap
    config.h.in
    configure.ac
    m4/acinclude.m4
    m4/config-if-present.m4
    m4/cvstag.m4
    m4/multilib-fix.m4
    m4/multilib-installdir.m4
    m4/rtems-bsp-postlink.m4
    m4/rtems-bsplist.m4
    m4/rtems-check-libargs.m4
    m4/rtems-checkprog.m4
    m4/rtems-checktool.m4
    m4/rtems-checktop.m4
    m4/rtems-fixup-prefix.m4
    m4/rtems-isml.m4
    m4/rtems-ismultibsp.m4
    m4/rtems-isrtems.m4
    m4/rtems-makevars.m4
    m4/rtems-multilib.m4
    m4/rtems-options.m4
    m4/rtems-setup-recurse.m4
    m4/rtems-tools.m4
    m4/rtems-trim-builddir.m4
    m4/rtems-verscheck.m4
    makefile.top.am
    makefile.top.in
    rtems-pre.am
    rtems.am
    ssrlApps.components.in
---
 bsd_eth_drivers/libbsdport/miistuff.c | 58 +++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 bsd_eth_drivers/libbsdport/miistuff.c

(limited to 'bsd_eth_drivers/libbsdport/miistuff.c')

diff --git a/bsd_eth_drivers/libbsdport/miistuff.c b/bsd_eth_drivers/libbsdport/miistuff.c
new file mode 100644
index 0000000..b15545f
--- /dev/null
+++ b/bsd_eth_drivers/libbsdport/miistuff.c
@@ -0,0 +1,58 @@
+#include <rtems.h>
+#define _KERNEL
+#include <rtems/rtems_bsdnet.h>
+#include <rtems/rtems_bsdnet_internal.h>
+
+#include <bsp/rtems_verscheck.h>
+
+#include <sys/malloc.h>
+#include <sys/errno.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+#include <net/if.h>
+#include <net/if_media.h>
+#include <rtems/rtems_mii_ioctl.h>
+
+#define PHY_MAX 32
+
+#undef  DEBUG
+
+/* A helper to find the active PHY. We really should port
+ * the entire BSD miibus/phy support but that's a bigger
+ * project...
+ */
+int
+rtems_mii_phy_probe(struct rtems_mdio_info *mdio, void *softc)
+{
+int      phy;
+uint32_t bmsr, bmcr;
+	for ( phy = 0; phy<PHY_MAX; phy++ ) {
+		if ( mdio->mdio_r(phy, softc, MII_BMSR, &bmsr) )
+			continue;
+
+		bmsr &= 0xffff;
+
+		if ( 0 == bmsr || 0xffff == bmsr )	
+			continue; /* nothing here */
+
+		/* no media supported ? */
+		if ( 0 == ((BMSR_EXTSTAT | 0xfe00) & bmsr ) )
+			continue; /* probably nothing there */
+
+		if ( mdio->mdio_r(phy, softc, MII_BMCR, &bmcr) )
+			continue;
+
+		/* skip isolated or powered-down phys */
+		if ( (BMCR_PDOWN | BMCR_ISO) & bmcr )
+			continue;
+
+#ifdef DEBUG
+		printk("PHY #%u seems active; link status is %s\n", phy, BMSR_LINK & bmsr ? "UP" : "DOWN");
+#endif
+
+		/* seems we found one */
+		return phy;
+	}
+
+	return -1;
+}
-- 
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