- added 'bootverbose' (in new 'misc.c' file)

 - added rtems_mii_phy_probe(). This is a helper albeit RTEMS specific.
   Porting the whole MII/media stuff is still too much ATM.

1 files changed, 58 insertions, 0 deletions

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;
+}